/* 
 * /assets/css/theme.css
 * ChatGPT Theme CSS for Student Portal
 * Version: 1.0
 * Compatible with Bootstrap 5.x
 */

/* Theme Variables */
:root {
    /* Light Theme (default) - ChatGPT Light Mode Colors */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
    --primary-bg: #ffffff;
    --secondary-bg: #f7f7f8;
    --hover-bg: #ececec;
    --text-primary: #000000;
    --text-secondary: #666666;
    --border-color: #e5e5e5;
    --accent-color: #10A37F;
    --danger-color: #EF4444;
    --sidebar-bg: #f9f9f9;
    --header-bg: #ffffff;
    --card-bg: #f7f7f8;
    --input-bg: #ffffff;
    --scrollbar-bg: #d1d1d1;
    --shadow-color: rgba(0, 0, 0, 0.05);
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-bg: #343541;
    --secondary-bg: #202123;
    --hover-bg: #2A2B32;
    --text-primary: #ECECF1;
    --text-secondary: #C5C5D1;
    --border-color: #4E4F60;
    --accent-color: #10A37F;
    --danger-color: #EF4444;
    --sidebar-bg: #202123;
    --header-bg: #343541;
    --card-bg: #444654;
    --input-bg: #40414F;
    --scrollbar-bg: #565869;
    --shadow-color: rgba(0, 0, 0, 0.2);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Main Layout */
.chatgpt-container,
.main-container {
    display: flex;
    height: 100vh;
    position: relative;
}

/* Sidebar Styles */
.chatgpt-sidebar,
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1000;
    border-right: 1px solid var(--border-color);
    box-shadow: 1px 0 3px var(--shadow-color);
}

.chatgpt-sidebar.collapsed,
.sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
}

/* Sidebar Header */
.sidebar-header {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.new-action-btn,
.new-chat-btn {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    cursor: pointer;
}

.new-action-btn:hover,
.new-chat-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 36px;
    height: 36px;
}

.sidebar-toggle:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

/* Sidebar Content */
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--scrollbar-bg);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Navigation Sections */
.nav-section {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
}

.nav-section-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0.75rem;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    margin: 0.125rem 0.5rem;
    border-radius: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    position: relative;
    gap: 0.75rem;
    cursor: pointer;
}

.nav-item:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--hover-bg);
    font-weight: 500;
}

.nav-item i {
    width: 1.25rem;
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
}

.nav-item:hover i,
.nav-item.active i {
    color: var(--text-primary);
}

/* User Menu */
.user-menu {
    border-top: 1px solid var(--border-color);
    padding: 0.75rem;
    background-color: var(--sidebar-bg);
}

.user-menu-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    color: var(--text-primary);
    text-align: left;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    cursor: pointer;
}

.user-menu-btn:hover {
    background-color: var(--hover-bg);
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    background-color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: white;
    flex-shrink: 0;
}

/* Main Content Area */
.chatgpt-main,
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--primary-bg);
    position: relative;
    overflow: hidden;
}

/* Header Bar */
.chatgpt-header,
.header-bar {
    height: 60px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background-color: var(--header-bg);
    transition: background-color 0.3s ease;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 0.375rem;
    margin-right: 1rem;
}

.mobile-menu-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 36px;
    height: 36px;
    margin-left: auto;
}

.theme-toggle-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

/* Content Wrapper */
.content-wrapper {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

.content-wrapper::-webkit-scrollbar {
    width: 8px;
}

.content-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.content-wrapper::-webkit-scrollbar-thumb {
    background: var(--scrollbar-bg);
    border-radius: 4px;
}

/* Welcome Section */
.welcome-container {
    max-width: 48rem;
    width: 100%;
    text-align: center;
    padding: 2rem 0;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.5;
}

/* Quick Action Cards */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

/* Action Card Enhancements for Light Theme */
.action-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.action-card:hover {
    background-color: var(--hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
    color: var(--text-primary);
}

.action-card i {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
}

.action-card h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.action-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Status Badges */
.status-badge {
    font-size: 0.625rem;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
    white-space: nowrap;
}

.status-draft { 
    background-color: #6c757d; 
    color: white;
}
.status-submitted { 
    background-color: #17a2b8; 
    color: white;
}
.status-under_review { 
    background-color: #ffc107; 
    color: #212529; 
}
.status-accepted { 
    background-color: #28a745; 
    color: white;
}
.status-rejected { 
    background-color: #dc3545; 
    color: white;
}
.status-waitlisted { 
    background-color: #fd7e14; 
    color: white;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    display: none;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: var(--hover-bg);
    color: var(--text-primary);
}

.dropdown-item i {
    width: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
}

/* Mobile Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Cards and Tables */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.card-body {
    padding: 1.5rem;
}

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

.table th {
    border-color: var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table td {
    border-color: var(--border-color);
    vertical-align: middle;
}

/* Forms */
.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="date"],
textarea {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Ensure all input types get dark mode styling */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] input,
[data-theme="dark"] textarea {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(16, 163, 127, 0.25);
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background-color: #059669;
    border-color: #059669;
}

/* Input Placeholders */
.form-control::placeholder,
.form-select::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Input Group Icons (Bootstrap input groups) */
.input-group-text {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Dark mode specific placeholder color */
[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .form-select::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Icons inside form controls */
.form-control-icon,
.input-icon {
    color: var(--text-secondary);
}

/* Search inputs and other input containers */
.search-box i,
.input-wrapper i,
.form-group i {
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .chatgpt-sidebar,
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        z-index: 1001;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .chatgpt-sidebar.collapsed,
    .sidebar.collapsed {
        margin-left: calc(-1 * var(--sidebar-width));
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar-toggle {
        display: none;
    }

    .welcome-title {
        font-size: 2rem;
    }

    .quick-actions {
        grid-template-columns: 1fr;
    }

    .content-wrapper {
        padding: 1rem;
    }

    .chatgpt-header h1,
    .header-bar h1 {
        font-size: 1rem;
    }

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.welcome-container {
    animation: fadeIn 0.5s ease;
}

.action-card {
    animation: fadeIn 0.5s ease backwards;
}

.action-card:nth-child(1) { animation-delay: 0.1s; }
.action-card:nth-child(2) { animation-delay: 0.2s; }
.action-card:nth-child(3) { animation-delay: 0.3s; }
.action-card:nth-child(4) { animation-delay: 0.4s; }

.nav-item {
    animation: slideIn 0.3s ease backwards;
}

/* Utility Classes */
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-accent { color: var(--accent-color) !important; }
.bg-primary { background-color: var(--primary-bg) !important; }
.bg-secondary { background-color: var(--secondary-bg) !important; }
.bg-accent { background-color: var(--accent-color) !important; }

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--hover-bg) 25%, var(--secondary-bg) 50%, var(--hover-bg) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Focus States */
button:focus,
a:focus,
.nav-item:focus,
.action-card:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .chatgpt-sidebar,
    .sidebar,
    .chatgpt-header,
    .header-bar,
    .sidebar-overlay {
        display: none !important;
    }
    
    .chatgpt-main,
    .main-content {
        margin: 0;
        width: 100%;
    }
}


/* --------------------------------------------------------------------------- */
/* Begin Floating sidebar toggle button that appears when sidebar is collapsed */
        /* Floating sidebar toggle button - vertical bar that transforms to chevron */
        .floating-sidebar-toggle {
            position: fixed;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--secondary-bg, #f7f7f8);
            color: var(--text-secondary, #666666);
            border: none;
            border-radius: 0 0.25rem 0.25rem 0;
            padding: 2rem 0.5rem;
            cursor: pointer;
            z-index: 999;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            width: 12px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        /* The vertical bar indicator */
        .floating-sidebar-toggle .toggle-bar {
            position: absolute;
            width: 3px;
            height: 40px;
            background-color: var(--text-secondary, #666666);
            border-radius: 1.5px;
            transition: all 0.3s ease;
            opacity: 1;
        }

        /* Chevron icons - hidden by default */
        .floating-sidebar-toggle .toggle-chevron-expand,
        .floating-sidebar-toggle .toggle-chevron-collapse {
            position: absolute;
            font-size: 0.875rem;
            transition: all 0.3s ease;
            opacity: 0;
            transform: scale(0.8);
        }

        /* Show the button when sidebar is collapsed */
        .sidebar.collapsed ~ .floating-sidebar-toggle {
            opacity: 1;
        }

        /* When sidebar is collapsed - show expand chevron on hover */
        .sidebar.collapsed ~ .floating-sidebar-toggle:hover {
            background-color: var(--hover-bg, #ececec);
            width: 24px;
            padding: 2rem 0.375rem;
        }

        .sidebar.collapsed ~ .floating-sidebar-toggle:hover .toggle-bar {
            opacity: 0;
            transform: scale(0.5);
        }

        .sidebar.collapsed ~ .floating-sidebar-toggle:hover .toggle-chevron-expand {
            opacity: 1;
            transform: scale(1);
        }

        /* When sidebar is expanded - always show collapse chevron */
        .sidebar:not(.collapsed) ~ .floating-sidebar-toggle {
            opacity: 1;
            background-color: var(--hover-bg, #ececec);
            width: 24px;
            padding: 2rem 0.375rem;
        }

        .sidebar:not(.collapsed) ~ .floating-sidebar-toggle .toggle-bar {
            display: none;
        }

        .sidebar:not(.collapsed) ~ .floating-sidebar-toggle .toggle-chevron-expand {
            display: none;
        }

        .sidebar:not(.collapsed) ~ .floating-sidebar-toggle .toggle-chevron-collapse {
            opacity: 1;
            transform: scale(1);
        }

        /* Hover effect when sidebar is expanded */
        .sidebar:not(.collapsed) ~ .floating-sidebar-toggle:hover {
            background-color: var(--secondary-bg, #f7f7f8);
            color: var(--text-primary, #000000);
        }

        /* Active/pressed state */
        .floating-sidebar-toggle:active {
            transform: translateY(-50%) scale(0.95);
        }

        /* Hide on mobile since we have the mobile menu button */
        @media (max-width: 768px) {
            .floating-sidebar-toggle {
                display: none !important;
            }
        
			/* Mobile-specific fixes - ensure sidebar is hidden by default on mobile */
			
			/* Hide sidebar by default on mobile */
			.sidebar {
				position: fixed;
				top: 0;
				left: 0;
				height: 100%;
				z-index: 1001;
				transform: translateX(-100%); /* Hide it off-screen by default */
				transition: transform 0.3s ease;
			}
			
			/* Show sidebar when not collapsed on mobile */
			.sidebar:not(.collapsed) {
				transform: translateX(0);
			}
			
			/* Ensure the overlay is behind the sidebar */
			.sidebar-overlay {
				z-index: 1000;
			}
			
			/* Make sure main content takes full width on mobile */
			.main-content {
				margin-left: 0 !important;
				width: 100% !important;
			}
		}

        /* Dark theme adjustments */
        [data-theme="dark"] .floating-sidebar-toggle {
            background-color: var(--secondary-bg, #202123);
            color: var(--text-secondary, #C5C5D1);
        }

        [data-theme="dark"] .floating-sidebar-toggle:hover {
            background-color: var(--hover-bg, #2A2B32);
        }

        [data-theme="dark"] .floating-sidebar-toggle .toggle-bar {
            background-color: var(--text-secondary, #C5C5D1);
        }

        /* Subtle shadow for depth */
        .floating-sidebar-toggle {
            box-shadow: 1px 0 3px rgba(0, 0, 0, 0.05);
        }

        .floating-sidebar-toggle:hover {
            box-shadow: 2px 0 5px rgba(0, 0, 0, 0.08);
        }

        [data-theme="dark"] .floating-sidebar-toggle {
            box-shadow: 1px 0 3px rgba(0, 0, 0, 0.2);
        }

        [data-theme="dark"] .floating-sidebar-toggle:hover {
            box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
        }

        /* Smooth entrance animation */
        @keyframes slideIn {
            from {
                left: -12px;
                opacity: 0;
            }
            to {
                left: 0;
                opacity: 1;
            }
        }

        .sidebar.collapsed ~ .floating-sidebar-toggle {
            animation: slideIn 0.3s ease-out;
        }
/* //End Floating sidebar toggle button that appears when sidebar is collapsed */
/* --------------------------------------------------------------------------- */