/* Custom styles for Alice Cloud Run App - Apple UI/UX 2025 Style */

:root {
    --primary-color: #007aff;
    --primary-hover: #0056cc;
    --secondary-color: #8e8e93;
    --accent-color: #ffd700;
    --success-color: #34c759;
    --danger-color: #ff3b30;
    --warning-color: #ff9500;
    --info-color: #5ac8fa;
    --light-color: #f2f2f7;
    --dark-color: #1d1d1f;
    --background-color: #f5f5f7;
    --card-background: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --border-radius-large: 16px;
    --border-radius-small: 8px;
    --sidebar-width: 220px;
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --animation-disabled: auto;
    --animation-speed: 1;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
    background: var(--background-color);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--card-background);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed {
    width: 50px;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.sidebar-header {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 48px;
    gap: 8px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.logo-icon {
    color: #8A2BE2;
    font-size: 24px;
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    transition: all 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.sidebar.collapsed .sidebar-header {
    padding: 8px 6px;
    justify-content: space-between;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    position: relative;
    gap: 4px;
    flex-direction: column;
    align-items: center;
    min-height: 48px;
    height: 48px;
}

.sidebar.collapsed .logo-container {
    justify-content: center;
    gap: 0;
    width: 100%;
    text-align: center;
    flex: none;
    order: 1;
}

.sidebar.collapsed .logo-icon {
    transform: scale(1.1);
    font-size: 20px;
    color: #8A2BE2;
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.sidebar.collapsed .logo-text {
    opacity: 0 !important;
    visibility: hidden !important;
    width: 0 !important;
    overflow: hidden !important;
    display: none !important;
    position: absolute !important;
    left: -9999px !important;
}

/* Sidebar Toggle Button - Now positioned in header */
.sidebar-toggle {
    background: #6b7280;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: #4b5563;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.sidebar.collapsed .sidebar-toggle {
    position: static;
    right: auto;
    top: auto;
    transform: none;
    width: 24px;
    height: 24px;
    padding: 4px;
    border-radius: 50%;
    background: #6b7280;
    color: white;
    flex-shrink: 0;
    order: 2;
    margin-top: 2px;
}

.sidebar.collapsed .sidebar-toggle:hover {
    background: #4b5563;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.sidebar-toggle i {
    font-size: 14px;
    color: white;
    transition: all 0.3s ease;
}

.sidebar.collapsed .sidebar-toggle i {
    font-size: 12px;
    color: white;
}

.nav-menu {
    list-style: none;
    padding: 8px 0;
    flex: 1;
}

.sidebar.collapsed .nav-menu {
    margin-top: 8px;
    padding-top: 4px;
}

.nav-item {
    margin: 2px 8px;
}

.sidebar.collapsed .nav-item {
    margin: 2px 4px;
}

.sidebar.collapsed .nav-item:first-child {
    margin-top: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
    position: relative;
}

.sidebar.collapsed .nav-link {
    padding: 8px !important;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    width: 40px;
    margin: 2px auto;
    text-align: center;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.nav-link:hover i {
    transform: scale(1.1);
    color: var(--text-primary);
}

.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    padding-left: 12px !important;
    padding-right: 12px !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
    transform: scale(1.02) !important;
}

.nav-link.active i {
    color: white !important;
    transform: none !important;
}

.nav-link.active span {
    color: white !important;
}

.nav-link span {
    transition: all 0.3s ease;
}

.sidebar.collapsed .nav-link span {
    opacity: 0;
    width: 0;
    overflow: hidden;
    display: none;
}

.nav-link i {
    font-size: 16px;
    width: 18px;
    text-align: center;
    transition: all 0.3s ease;
}

.sidebar.collapsed .nav-link i {
    font-size: 18px;
    width: 20px;
    height: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    line-height: 1;
    position: relative;
    top: 0;
    left: 0;
    transform: none;
}

/* Font Awesome specific centering fix */
.sidebar.collapsed .nav-link i.fas,
.sidebar.collapsed .nav-link i.far,
.sidebar.collapsed .nav-link i.fab,
.sidebar.collapsed .nav-link i.fal {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 20px !important;
    height: 20px !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
    text-align: center !important;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.nav-link:hover i {
    transform: scale(1.1);
    color: var(--text-primary);
}

.sidebar.collapsed .nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    padding-left: 12px !important;
    padding-right: 12px !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
    transform: scale(1.02) !important;
}

.sidebar.collapsed .nav-link.active i {
    color: white !important;
    transform: none !important;
}

.sidebar.collapsed .nav-link:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    transform: scale(1.02) !important;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2) !important;
}

.sidebar.collapsed .nav-link:hover i {
    color: var(--text-primary) !important;
}

.submenu-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    font-size: 12px;
}

.nav-link.active .submenu-arrow {
    transform: rotate(180deg);
}

.submenu-arrow.expanded {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius);
    margin: 2px 0;
}

.sidebar.collapsed .submenu {
    display: none;
}

.submenu.expanded {
    max-height: 500px;
    opacity: 1;
    display: block;
}

.submenu-item {
    margin: 0;
}

.submenu-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 36px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
    border-radius: var(--border-radius-small);
    margin-left: 0;
    text-align: left;
}

.sidebar.collapsed .submenu-link {
    display: none;
}

.submenu-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.submenu-link:hover i {
    color: var(--text-primary);
}

.submenu-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    padding-left: 36px !important;
    font-weight: 600 !important;
    box-shadow: none !important;
    margin-left: 0 !important;
}

.submenu-link.active i {
    color: white !important;
    transform: none !important;
}

/* Enhanced active state for Configuration submenu */
.submenu-link[data-page="config"].active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15) 0%, rgba(0, 122, 255, 0.08) 100%);
    color: var(--primary-color);
    font-weight: 600;
    border-left: 3px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.1);
    padding-left: 36px !important;
    margin-left: 0 !important;
}

.submenu-link[data-page="config"].active i {
    color: var(--primary-color);
    transform: scale(1.1);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1.1);
    }
}

/* Enhanced active state for Settings nav link when Configuration is active */
.nav-link[data-page="settings"].active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15) 0%, rgba(0, 122, 255, 0.08) 100%);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.1);
    border-left: 3px solid var(--primary-color);
}

.nav-link[data-page="settings"].active i {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Ensure submenu stays visible when Configuration is active */
.submenu.expanded {
    max-height: 500px;
    opacity: 1;
    display: block;
}

/* Special handling for collapsed sidebar with active Configuration */
.sidebar.collapsed .submenu.expanded {
    display: block;
}

.sidebar.collapsed .nav-link[data-page="settings"].active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.2) 0%, rgba(0, 122, 255, 0.1) 100%);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15);
}

.sidebar.collapsed .nav-link[data-page="settings"].active i {
    color: var(--primary-color);
    transform: scale(1.2);
}

/* Universal active state styling for all submenu items */
.submenu-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    padding-left: 36px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
    margin-left: 0 !important;
}

.submenu-link.active i {
    color: white !important;
    transform: none !important;
}

/* Collapsed state active styling for all submenu items */
.sidebar.collapsed .submenu-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
    transform: scale(1.02) !important;
}

.sidebar.collapsed .submenu-link.active i {
    color: white !important;
    transform: none !important;
}

/* Parent menu active state when any submenu is active */
.nav-link.active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.15) 0%, rgba(0, 122, 255, 0.08) 100%);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.1);
    border-left: 3px solid var(--primary-color);
}

.nav-link.active i {
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Collapsed state parent menu active styling */
.sidebar.collapsed .nav-link.active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.2) 0%, rgba(0, 122, 255, 0.1) 100%);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15);
}

.sidebar.collapsed .nav-link.active i {
    color: var(--primary-color);
    transform: scale(1.2);
}

/* Update sidebar footer to accommodate theme toggle */
.sidebar-footer {
    padding: 8px 8px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: rgba(0, 0, 0, 0.02);
}

.sidebar.collapsed .sidebar-footer {
    padding: 6px 4px;
    gap: 3px;
}

/* Theme Toggle Container */
.theme-toggle-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 3px 0;
}

.sidebar.collapsed .theme-toggle-container {
    gap: 2px;
    padding: 2px 0;
}

/* Theme Toggle Row */
.theme-toggle-row {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2px;
    box-shadow: var(--shadow-light);
}

.sidebar.collapsed .theme-toggle-row {
    display: none;
}

/* Single Theme Toggle Button */
.theme-toggle-single {
    display: none;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.sidebar.collapsed .theme-toggle-single {
    display: flex;
}

.theme-toggle-single:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.theme-toggle-single i {
    font-size: 16px;
    color: white;
    transition: all 0.3s ease;
}

/* Theme Icon Buttons */
.theme-icon-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: transparent;
    min-width: 0;
}

.sidebar.collapsed .theme-icon-btn {
    padding: 3px 4px;
    gap: 0;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.theme-icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
}

.sidebar.collapsed .theme-icon-btn:hover {
    transform: scale(1.05);
}

.theme-icon-btn.active {
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    color: white;
}

.theme-icon-btn.active i {
    color: white;
}

.theme-icon-btn i {
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.sidebar.collapsed .theme-icon-btn i {
    font-size: 16px;
}

/* Theme Text */
.theme-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.sidebar.collapsed .theme-text {
    display: none;
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
}

.sidebar.collapsed .user-info {
    padding: 4px 6px;
    gap: 4px;
}

.user-info i {
    font-size: 14px;
    color: var(--text-secondary);
}

.user-info span {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar.collapsed .user-info span {
    display: none;
}

/* Logout Button */
.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    background: #6b7280;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 13px;
}

.sidebar.collapsed .logout-btn {
    padding: 8px;
    gap: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    justify-content: center;
}

.logout-btn span {
    font-size: 12px;
    white-space: nowrap;
}

.sidebar.collapsed .logout-btn span {
    display: none;
}

.logout-btn i {
    font-size: 14px;
}

.sidebar.collapsed .logout-btn i {
    font-size: 16px;
}

.logout-btn:hover {
    background: #4b5563;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
}

.sidebar.collapsed .logout-btn:hover {
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background: var(--background-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: calc(100vw - var(--sidebar-width));
    overflow-x: hidden;
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.main-content.sidebar-collapsed {
    margin-left: 50px !important;
    width: calc(100vw - 50px) !important;
}

.top-header {
    background: var(--card-background);
    backdrop-filter: blur(20px);
    padding: 0px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}

.header-left h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right .user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    /* background: var(--light-color); */
    /* border-radius: var(--border-radius); */
    /* padding: 8px 16px; */
    /* cursor: pointer; */
    /* transition: all 0.2s ease; */
}

.header-right .user-menu:hover {
    background: rgba(0, 0, 0, 0.05);
}

.content-area {
    padding: 20px;
    max-width: 100%;
    box-sizing: border-box;
    width: 100%;
    flex: 1;
    overflow-x: hidden;
    min-height: 0;
}

/* Cards */
.card {
    background: var(--card-background);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-large);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-medium);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.4);
}

.btn-secondary {
    background: var(--light-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.3);
}

.btn-danger:hover {
    background: #d70015;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 59, 48, 0.4);
}

.btn-sm {
    padding: 8px 12px;
    font-size: 12px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--card-background);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--card-background);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--light-color);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background: rgba(0, 122, 255, 0.02);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Badges */
.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
}

.badge-secondary {
    background: rgba(142, 142, 147, 0.1);
    color: var(--secondary-color);
}

.badge-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning-color);
}

.badge-info {
    background: rgba(90, 200, 250, 0.1);
    color: var(--info-color);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Stats */
.stats-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-status {
    font-size: 14px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.status-online {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
}

.status-offline {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
}

.status-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning-color);
}

.status-error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
}

/* Actions */
.actions-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.action-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--light-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.action-link:hover {
    background: rgba(0, 122, 255, 0.08);
    color: var(--primary-color);
    transform: translateX(4px);
}

.action-link i {
    font-size: 18px;
    color: var(--primary-color);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
}

.modal-content {
    background: var(--card-background);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-large);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.close {
    color: var(--text-secondary);
    font-size: 24px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.2s ease;
}

.close:hover {
    color: var(--text-primary);
}

/* Authentication Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
    padding: 20px;
}

.auth-card {
    background: var(--card-background);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-large);
    padding: 48px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.auth-header {
    margin-bottom: 32px;
}

.auth-header .brain-icon {
    font-size: 48px;
    color: #8A2BE2;
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    display: block;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 16px;
}

.auth-form {
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form .btn {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Tab Navigation */
.tab-navigation {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    transition: all 0.2s ease;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    min-width: fit-content;
    position: relative;
}

.tab-btn:hover {
    background: rgba(0, 122, 255, 0.08);
    color: var(--primary-color);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.tab-content {
    display: none;
    min-height: 400px;
}

.tab-content.active {
    display: block;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Search Input */
.search-input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 240px;
    font-size: 14px;
    background: var(--card-background);
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Additional Responsive Improvements */
@media (max-width: 1600px) {
    .content-area {
        padding: 24px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1400px) {
    .content-area {
        padding: 20px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1200px) {
    .content-area {
        padding: 18px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        width: 250px;
    }

    .sidebar.collapsed {
        transform: translateX(0);
        width: 60px;
    }

    .main-content {
        margin-left: 0;
        width: 100vw;
    }

    .main-content.sidebar-collapsed {
        margin-left: 60px;
        width: calc(100vw - 60px);
    }
    
    .content-area {
        padding: 16px;
    }
    
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar.collapsed.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
    }
    
    .content-area {
        padding: 8px;
        width: 100vw !important;
        max-width: 100vw !important;
        padding-top: 48px !important;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .top-header {
        padding: 8px 12px;
        width: 100vw !important;
        max-width: 100vw !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
    }
    
    .header-left h1 {
        font-size: 18px;
    }
    
    .search-input {
        max-width: 180px;
    }
    
    .card {
        margin-bottom: 12px;
        padding: 16px;
    }
    
    .card-header {
        padding: 8px 12px;
        margin-bottom: 16px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 8px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .tab-navigation {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 100px;
        padding: 8px 12px;
        font-size: 13px;
    }
    
    /* Fix bot icon symmetry in chat messages */
    .message.bot .message-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .message.user .message-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    /* Compact mobile navigation */
    .nav-link {
        padding: 6px 8px;
        font-size: 13px;
    }
    
    .submenu-link {
        padding: 4px 8px 4px 28px;
        font-size: 12px;
    }
    
    .sidebar-header {
        padding: 6px 12px;
        min-height: 40px;
    }
    
    .logo-icon {
        font-size: 20px;
    }
    
    .logo-text {
        font-size: 16px;
    }
    
    /* Compact mobile sidebar footer */
    .sidebar-footer {
        padding: 6px 6px;
        gap: 3px;
    }
    
    .theme-toggle-container {
        gap: 2px;
        padding: 2px 0;
    }
    
    .theme-toggle-row {
        gap: 1px;
        padding: 1px;
        border-radius: 12px;
    }
    
    .theme-icon-btn {
        padding: 3px 6px;
        gap: 2px;
    }
    
    .theme-text {
        font-size: 10px;
    }
    
    .user-info {
        padding: 4px 6px;
        gap: 3px;
    }
    
    .user-info span {
        font-size: 11px;
    }
    
    .logout-btn {
        padding: 6px 8px;
        gap: 4px;
        font-size: 12px;
    }
    
    .logout-btn span {
        font-size: 11px;
    }
    
    .logout-btn i {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .content-area {
        padding: 8px;
        width: 100vw !important;
        max-width: 100vw !important;
    }
    
    .top-header {
        padding: 8px 12px;
        width: 100vw !important;
        max-width: 100vw !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
    }
    
    .header-left h1 {
        font-size: 18px;
    }
    
    .card {
        margin-bottom: 12px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .search-input {
        max-width: 150px;
        font-size: 14px;
    }
    
    .tab-btn {
        padding: 8px 12px;
        font-size: 14px;
        min-width: 100px;
    }
    
    .tab-btn i {
        font-size: 14px;
    }
    
    .data-table {
        font-size: 14px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 6px;
    }
    
    .modal-content {
        margin: 10px;
        max-width: calc(100vw - 20px);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 12px;
    }
    
    .auth-card {
        margin: 10px;
        padding: 20px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
    
    .form-control {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    /* Fix bot icon symmetry in chat messages for small mobile */
    .message-avatar {
        width: 36px !important;
        height: 36px !important;
        border-radius: 50% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        flex-shrink: 0 !important;
    }
    
    .bot-message .message-avatar {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        color: white !important;
    }
    
    .user-message .message-avatar {
        background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
        color: white !important;
    }
    
    .message-avatar i {
        font-size: 16px !important;
    }
}

/* Ensure content doesn't overflow on any screen */
.content-area {
    max-width: 100%;
    box-sizing: border-box;
}

.card {
    max-width: 100%;
    box-sizing: border-box;
}

.table-container {
    max-width: 100%;
    overflow-x: auto;
}

.data-table {
    min-width: 100%;
    box-sizing: border-box;
}

/* Improve button responsiveness */
.btn {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Improve modal responsiveness */
.modal {
    padding: 16px;
}

/* Improve sidebar responsiveness */
@media (max-width: 768px) {
    .sidebar-header {
        padding: 20px;
    }
    
    .nav-item {
        margin: 2px 12px;
    }
    
    .nav-link {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .sidebar-footer {
        padding: 12px 20px;
    }
    
    .user-info {
        padding: 10px;
    }
    
    .logout-btn {
        padding: 10px 12px;
        font-size: 14px;
    }
}

/* Improve grid responsiveness */
.grid {
    gap: 20px;
}

@media (max-width: 768px) {
    .grid {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .grid {
        gap: 12px;
    }
}

/* Improve stats responsiveness */
.stat-item {
    padding: 12px;
}

@media (max-width: 768px) {
    .stat-item {
        padding: 10px;
    }
    
    .stat-number {
        font-size: 20px;
    }
    
    .stat-label {
        font-size: 13px;
    }
}

/* Improve action links responsiveness */
.action-link {
    padding: 12px;
}

@media (max-width: 768px) {
    .action-link {
        padding: 10px;
    }
    
    .action-link i {
        font-size: 16px;
    }
}

/* Improve badge responsiveness */
.badge {
    padding: 3px 10px;
    font-size: 11px;
}

@media (max-width: 768px) {
    .badge {
        padding: 2px 8px;
        font-size: 10px;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 3px solid var(--light-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-error {
    color: var(--danger-color);
}

.text-success {
    color: var(--success-color);
}

.text-muted {
    color: var(--text-secondary);
}

.sidebar.collapsed .submenu-arrow {
    display: none !important;
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.collapsed .submenu {
    display: none !important;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.sidebar.collapsed .submenu.expanded {
    display: none;
}

.sidebar.collapsed .submenu-item {
    display: none;
}

.sidebar.collapsed .submenu-link {
    display: none;
}

/* Configuration Page Styles */
.config-container {
    padding: 24px;
}

.config-grid-full {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    max-width: 100%;
}

.config-section {
    min-width: 0;
}

.config-section .card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.config-section .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.config-item label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.config-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--border-color);
}

.status-indicator {
    font-size: 8px;
    margin-right: 8px;
}

.status-indicator.status-online {
    color: var(--success-color);
}

.status-indicator.status-offline {
    color: var(--danger-color);
}

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.status-success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
}

.status-badge.status-warning {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning-color);
}

.status-badge.status-error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
}

.auth-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-method {
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: rgba(0, 0, 0, 0.02);
}

.auth-method-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.auth-method-header i {
    font-size: 20px;
    color: var(--primary-color);
}

.auth-method-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.auth-method p {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.o365-config {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.env-variables {
    margin-top: 20px;
}

.env-variables h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.env-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.env-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--border-color);
}

.env-item:last-child {
    margin-bottom: 0;
}

.env-key {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.env-value {
    font-size: 12px;
    color: var(--text-primary);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.04);
    padding: 2px 6px;
    border-radius: 4px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Responsive design for configuration page */
@media (max-width: 1200px) {
    .config-grid-full {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 992px) {
    .config-grid-full {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .config-container {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .config-grid-full {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .config-container {
        padding: 12px;
    }
    
    .config-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .o365-config {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .auth-method-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .auth-method-header h4 {
        font-size: 14px;
    }
    
    .env-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .env-value {
        max-width: 100%;
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .config-container {
        padding: 8px;
    }
    
    .config-grid-full {
        gap: 8px;
    }
    
    .config-section .card-header {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .config-section .card-header h3 {
        font-size: 16px;
    }
    
    .config-section .card-header .btn {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --primary-color: #0a84ff;
    --primary-hover: #0070e0;
    --secondary-color: #98989d;
    --accent-color: #ffd60a;
    --success-color: #30d158;
    --danger-color: #ff453a;
    --warning-color: #ff9f0a;
    --info-color: #64d2ff;
    --light-color: #2c2c2e;
    --dark-color: #ffffff;
    --background-color: #212020d9;
    --card-background: rgba(28, 28, 30, 0.95);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #98989d;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Theme Toggle Button Styles */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

.theme-toggle i {
    font-size: 20px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle[data-theme="dark"] i {
    color: #ffd60a;
}

/* Header Theme Toggle Button */
.theme-toggle-header {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    margin-right: 12px;
}

.theme-toggle-header:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    background: rgba(255, 255, 255, 0.1);
}

.theme-toggle-header i {
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle-header[data-theme="dark"] i {
    color: #ffd60a;
}

/* Dark theme specific adjustments */
[data-theme="dark"] .sidebar {
    background: var(--card-background);
    border-right: 1px solid var(--border-color);
}

[data-theme="dark"] .sidebar.collapsed {
    background: linear-gradient(180deg, #1c1c1e 0%, #2c2c2e 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .form-control {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.2);
}

[data-theme="dark"] .modal-content {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .data-table th,
[data-theme="dark"] .data-table td {
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .data-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Additional dark theme styles */
[data-theme="dark"] .top-header {
    background: var(--card-background);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .user-menu {
    /* background: var(--card-background); */
    /* border: 1px solid var(--border-color); */
}

[data-theme="dark"] .user-menu:hover {
    /* background: rgba(255, 255, 255, 0.05); */
}

[data-theme="dark"] .btn-secondary {
    background: var(--light-color);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-input {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.2);
}

[data-theme="dark"] .tab-btn {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .tab-btn.active {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .badge {
    background: var(--light-color);
    color: var(--text-primary);
}

[data-theme="dark"] .status-indicator {
    background: var(--light-color);
}

[data-theme="dark"] .status-badge {
    background: var(--light-color);
    color: var(--text-primary);
}

/* Dark theme for auth pages */
[data-theme="dark"] .auth-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .auth-header h1 {
    color: var(--text-primary);
}

[data-theme="dark"] .auth-header p {
    color: var(--text-secondary);
}

/* Dark theme for config pages */
[data-theme="dark"] .config-item label {
    color: var(--text-primary);
}

[data-theme="dark"] .config-item small {
    color: var(--text-secondary);
}

/* Dark theme for chat interface */
[data-theme="dark"] .chat-message {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .chat-input {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .chat-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.2);
}

/* Theme Toggle Button Styles */
.theme-toggle-sidebar {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    align-self: center;
}

.theme-toggle-sidebar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    background: rgba(255, 255, 255, 0.1);
}

.theme-toggle-sidebar i {
    font-size: 18px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle-sidebar[data-theme="dark"] i {
    color: #ffd60a;
}

[data-theme="dark"] .theme-toggle-sidebar {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .theme-toggle-sidebar:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .theme-toggle-sidebar i {
    color: var(--text-primary);
}

[data-theme="dark"] .theme-toggle-sidebar[data-theme="dark"] i {
    color: #ffd60a;
}

[data-theme="dark"] .theme-label {
    color: var(--text-secondary);
}

[data-theme="dark"] .sidebar-footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
}

/* Dark theme styles for new dual-icon toggle */
[data-theme="dark"] .theme-toggle-row {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .theme-icon-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .theme-icon-btn:hover i {
    color: var(--text-primary);
}

[data-theme="dark"] .theme-toggle-single {
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .theme-toggle-single:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .theme-icon-btn.active {
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
    color: white;
}

[data-theme="dark"] .theme-icon-btn i {
    color: var(--text-secondary);
}

[data-theme="dark"] .theme-icon-btn.active i {
    color: white;
}

[data-theme="dark"] .user-info {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .user-info:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* New Login Page Styles */
.login-page-body {
    background-color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-family: var(--font-family);
    overflow: hidden;
    padding: 0;
}

.login-container {
    display: flex;
    width: 100%;
    max-width: 1024px;
    height: 800px;
    background-color: var(--card-background);
    border-radius: 0;
    box-shadow: var(--shadow-heavy);
    overflow: hidden;
    padding: 0px;
}

.login-form-container {
    flex: 1 1 50%;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    border-top-left-radius: var(--border-radius-large);
    border-bottom-left-radius: var(--border-radius-large);
}

.login-card {
    /* This class is no longer used for the main card structure */
    width: 100%;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 16px;
}

.login-header {
    text-align: center;
    margin-bottom: 16px;
    width: 100%;
}

.auth-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.login-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-header a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.login-header a:hover {
    text-decoration: underline;
}

.form-label-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Message Container Styles */
.message-container {
    width: 100%;
    max-width: 380px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    animation: slideDown 0.3s ease-out;
}

.message-content {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0px 16px;
    font-size: 14px;
    font-weight: 500;
}

.message-content.error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.message-content.success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.message-icon {
    font-size: 16px;
    flex-shrink: 0;
}

/* Form Styles */
.auth-form {
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    background: var(--card-background);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-help {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    align-self: flex-end;
    margin-top: -4px;
}

.forgot-password:hover {
    text-decoration: underline;
}

.remember-me {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-top: -8px;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

.remember-me label {
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.login-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
    background: linear-gradient(90deg, #8A2BE2 0%, #4B0082 100%);
    color: white;
}

.login-btn:hover {
    opacity: 0.9;
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Social Login Styles */
.social-login-divider {
    width: 100%;
    text-align: center;
    margin: 24px 0 16px 0;
    position: relative;
}

.social-login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.divider-text {
    background: var(--card-background);
    padding: 0 16px;
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.social-login-buttons {
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.social-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.social-btn:hover {
    opacity: 0.9;
}

.social-btn i {
    font-size: 16px;
}

/* Registration Info Styles */
.registration-info {
    width: 100%;
    margin-top: 20px;
    padding: 16px;
    background: rgba(0, 122, 255, 0.05);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.info-text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.info-text i {
    color: var(--primary-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.login-illustration-container {
    flex: 1 1 50%;
    position: relative;
    overflow: hidden;
    border-top-right-radius: var(--border-radius-large);
    border-bottom-right-radius: var(--border-radius-large);
}

.login-illustration {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .login-container {
        gap: 32px;
        padding: 24px 16px;
    }
}

@media (max-width: 992px) {
    .login-container {
        flex-direction: column;
        gap: 24px;
        padding: 24px 8px;
        min-height: auto;
        height: auto;
    }
    
    .login-form-container, .login-illustration-container {
        max-width: 100%;
        width: 100%;
        justify-content: center;
    }
    
    .login-card {
        padding: 32px 24px;
        max-width: 480px;
    }
    
    .login-illustration {
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .login-container {
        padding: 16px 8px;
        gap: 16px;
    }
    
    .login-card {
        padding: 24px 20px;
    }
    
    .login-header h2 {
        font-size: 24px;
    }
    
    .auth-icon {
        width: 56px;
        height: 56px;
    }
    
    .form-control {
        padding: 10px 14px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .login-btn {
        padding: 12px 20px;
        font-size: 16px;
    }
    
    .social-btn {
        padding: 10px 14px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .login-container {
        padding: 8px 0;
        gap: 8px;
    }
    
    .login-card {
        padding: 20px 16px;
        border-radius: var(--border-radius);
        margin: 8px;
    }
    
    .login-illustration-container {
        display: none;
    }
    
    .login-header h2 {
        font-size: 22px;
    }
    
    .auth-icon {
        width: 48px;
        height: 48px;
    }
    
    .message-content {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .registration-info {
        padding: 12px;
    }
    
    .info-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 16px 12px;
        margin: 4px;
    }
    
    .login-header h2 {
        font-size: 20px;
    }
    
    .auth-icon {
        width: 40px;
        height: 40px;
    }
    
    .form-control {
        padding: 8px 12px;
    }
    
    .login-btn {
        padding: 10px 16px;
    }
    
    .social-btn {
        padding: 8px 12px;
    }
}

/* Dark theme support for login pages */
[data-theme="dark"] .login-page-body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

[data-theme="dark"] .login-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .form-control {
    background: var(--card-background);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

[data-theme="dark"] .social-btn {
    background: var(--card-background);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .social-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

[data-theme="dark"] .registration-info {
    background: rgba(0, 122, 255, 0.1);
}

[data-theme="dark"] .message-content.error {
    background: rgba(255, 59, 48, 0.15);
}

[data-theme="dark"] .message-content.success {
    background: rgba(52, 199, 89, 0.15);
}

/* Responsive Design */
/* 4K and Ultra-wide displays (2560px and above) */
@media (min-width: 2560px) {
    .login-container {
        max-width: 1600px;
        gap: 80px;
        padding: 48px 32px;
    }
    
    .login-card {
        padding: 60px 48px;
        max-width: 600px;
    }
    
    .login-header h2 {
        font-size: 36px;
    }
    
    .auth-icon {
        width: 80px;
        height: 80px;
    }
    
    .form-control {
        padding: 18px 24px;
        font-size: 18px;
    }
    
    .login-btn {
        padding: 18px 32px;
        font-size: 18px;
    }
    
    .social-btn {
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .login-illustration {
        max-width: 500px;
    }
}

/* 2K displays (1920px - 2559px) */
@media (min-width: 1920px) and (max-width: 2559px) {
    .login-container {
        max-width: 1400px;
        gap: 32px;
        padding: 20px 16px;
        height: 500px;
        min-height: 500px;
    }
    
    .login-card {
        padding: 24px 20px;
        max-width: 480px;
        max-height: 450px;
        overflow-y: auto;
    }
    
    .login-header h2 {
        font-size: 24px;
    }
    
    .auth-icon {
        width: 56px;
        height: 56px;
    }
    
    .form-control {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .login-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .social-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .login-illustration {
        max-width: 380px;
    }
}

/* Full HD displays (1920px and below) */
@media (max-width: 1919px) {
    .login-container {
        max-width: 1200px;
        gap: 48px;
        padding: 32px 16px;
    }
}

/* HD displays (1366px - 1919px) */
@media (max-width: 1919px) and (min-width: 1366px) {
    .login-card {
        padding: 40px 32px;
        max-width: 480px;
    }
    
    .login-header h2 {
        font-size: 28px;
    }
    
    .auth-icon {
        width: 64px;
        height: 64px;
    }
    
    .form-control {
        padding: 14px 18px;
        font-size: 16px;
    }
    
    .login-btn {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    .social-btn {
        padding: 12px 18px;
        font-size: 14px;
    }
    
    .login-illustration {
        max-width: 380px;
    }
}

/* 720p and smaller displays (1365px and below) */
@media (max-width: 1365px) {
    .login-container {
        gap: 32px;
        padding: 24px 16px;
    }
}

@media (max-width: 1200px) {
    .login-container {
        gap: 32px;
        padding: 24px 16px;
    }
}

@media (max-width: 992px) {
    .login-container {
        flex-direction: column;
        gap: 24px;
        padding: 24px 8px;
        min-height: auto;
        height: auto;
    }
    
    .login-form-container, .login-illustration-container {
        max-width: 100%;
        width: 100%;
        justify-content: center;
    }
    
    .login-card {
        padding: 32px 24px;
        max-width: 480px;
    }
    
    .login-illustration {
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .login-container {
        padding: 16px 8px;
        gap: 16px;
    }
    
    .login-card {
        padding: 24px 20px;
    }
    
    .login-header h2 {
        font-size: 24px;
    }
    
    .auth-icon {
        width: 56px;
        height: 56px;
    }
    
    .form-control {
        padding: 10px 14px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .login-btn {
        padding: 12px 20px;
        font-size: 16px;
    }
    
    .social-btn {
        padding: 10px 14px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .login-container {
        padding: 8px 0;
        gap: 8px;
    }
    
    .login-card {
        padding: 20px 16px;
        border-radius: var(--border-radius);
        margin: 8px;
    }
    
    .login-illustration-container {
        display: none;
    }
    
    .login-header h2 {
        font-size: 22px;
    }
    
    .auth-icon {
        width: 48px;
        height: 48px;
    }
    
    .message-content {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .registration-info {
        padding: 12px;
    }
    
    .info-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 16px 12px;
        margin: 4px;
    }
    
    .login-header h2 {
        font-size: 20px;
    }
    
    .auth-icon {
        width: 40px;
        height: 40px;
    }
    
    .form-control {
        padding: 8px 12px;
    }
    
    .login-btn {
        padding: 10px 16px;
    }
    
    .social-btn {
        padding: 8px 12px;
    }
}

/* Dark theme support for login pages */
[data-theme="dark"] .login-page-body {
    position: relative;
}

.submenu-link {
    gap: 8px;
    padding: 6px 12px 6px 36px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: var(--border-radius-small);
    margin-left: 0;
    text-align: left;
}

/* Collapsed state specific styling */
.sidebar.collapsed .nav-link {
    padding: 8px !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 8px !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    background: transparent !important;
    width: 40px !important;
    margin: 2px auto !important;
    text-align: center !important;
}

.sidebar.collapsed .submenu-link {
    padding: 8px !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 8px !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    background: transparent !important;
    width: 40px !important;
    margin: 2px auto !important;
    text-align: center !important;
}

/* Submenu visibility in collapsed state */
.sidebar.collapsed .submenu {
    display: block;
    max-height: none;
    opacity: 1;
    background: transparent;
    border-radius: 0;
    margin: 0;
    padding: 0;
}

.sidebar.collapsed .submenu.expanded {
    display: block;
}

/* Hide submenu arrows in collapsed state */
.sidebar.collapsed .submenu-arrow {
    display: none !important;
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Override conflicting rules to ensure submenus are always visible when collapsed */
.sidebar.collapsed .submenu {
    display: block !important;
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
    margin: 0 !important;
    padding: 0 !important;
}

.sidebar.collapsed .submenu.expanded {
    display: block !important;
}

.sidebar.collapsed .submenu-item {
    display: block !important;
    margin: 2px 4px !important;
}

.sidebar.collapsed .submenu-link {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 8px !important;
    border-radius: 8px !important;
    min-height: 40px !important;
    width: 40px !important;
    background: transparent !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    margin: 2px auto !important;
}

.sidebar.collapsed .submenu-link:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    transform: scale(1.02) !important;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2) !important;
}

.sidebar.collapsed .submenu-link:hover i {
    color: var(--text-primary) !important;
}

.sidebar.collapsed .submenu-link i {
    font-size: 18px !important;
    width: 20px !important;
    text-align: center !important;
    transition: all 0.3s ease !important;
}

.sidebar.collapsed .submenu-link span {
    display: none !important;
}

/* Ensure consistent heights for nav links and submenu links */
.nav-link,
.submenu-link {
    min-height: 40px !important;
    display: flex !important;
    align-items: center !important;
    transition: all 0.3s ease !important;
}

/* Collapsed state specific styling */
.sidebar.collapsed .nav-link {
    padding: 8px !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 8px !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    background: transparent !important;
    width: 40px !important;
    margin: 2px auto !important;
    text-align: center !important;
}

.sidebar.collapsed .submenu-link {
    padding: 8px !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 8px !important;
    position: relative !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    background: transparent !important;
    width: 40px !important;
    margin: 2px auto !important;
    text-align: center !important;
}

/* Active state styling for collapsed submenu items */
.sidebar.collapsed .submenu-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-left: none !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3) !important;
    transform: scale(1.02) !important;
}

.sidebar.collapsed .submenu-link.active i {
    color: white !important;
    transform: none !important;
}

/* Parent menu active state when any submenu is active */
.sidebar.collapsed .nav-link.active {
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.2) 0%, rgba(0, 122, 255, 0.1) 100%) !important;
    color: var(--primary-color) !important;
    border-left: 3px solid var(--primary-color) !important;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15) !important;
}

.sidebar.collapsed .nav-link.active i {
    color: var(--primary-color) !important;
    transform: scale(1.2) !important;
}

@media (max-width: 768px) {
    .sidebar-toggle-container {
        padding: 6px 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    .sidebar.collapsed .sidebar-toggle-container {
        padding: 6px 4px;
    }
    
    .sidebar-toggle {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .sidebar.collapsed .sidebar-toggle {
        width: 32px;
        height: 32px;
    }
    
    .sidebar-toggle i {
        font-size: 12px;
    }
    
    .sidebar.collapsed .sidebar-toggle i {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .sidebar-header {
        padding: 12px 8px;
        gap: 6px;
    }
    
    .sidebar.collapsed .sidebar-header {
        padding: 6px 4px;
        gap: 2px;
        min-height: 44px;
        height: 44px;
    }
    
    .sidebar.collapsed .nav-menu {
        margin-top: 6px;
        padding-top: 2px;
    }
    
    .sidebar.collapsed .nav-item:first-child {
        margin-top: 6px;
    }
    
    .logo-container {
        gap: 6px;
    }
    
    .logo-icon {
        font-size: 20px;
    }
    
    .sidebar.collapsed .logo-icon {
        font-size: 18px;
        width: 24px;
        height: 24px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .sidebar-toggle {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .sidebar.collapsed .sidebar-toggle {
        width: 20px;
        height: 20px;
        padding: 3px;
        margin-top: 1px;
    }
    
    .sidebar-toggle i {
        font-size: 12px;
    }
    
    .sidebar.collapsed .sidebar-toggle i {
        font-size: 8px;
    }
}