/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-color: #FDFBF7;
    --text-color: #2E2D2B;
    --text-muted: #7E7C78;
    --primary-color: #4A6B53;      /* Sage Green */
    --primary-hover: #3C5743;
    --accent-color: #C87A53;       /* Terracotta */
    --accent-hover: #B56842;
    --card-bg: #FFFFFF;
    --border-color: #EFECE6;
    --success-color: #558B6E;
    --warning-color: #E29578;
    --danger-color: #D96B62;
    --info-color: #6CA0B0;
    
    --shadow-sm: 0 2px 8px rgba(74, 107, 83, 0.04);
    --shadow-md: 0 8px 24px rgba(74, 107, 83, 0.06);
    --shadow-lg: 0 16px 40px rgba(74, 107, 83, 0.08);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
    --bg-color: #1A1917;
    --text-color: #ECEAE6;
    --text-muted: #A3A09B;
    --card-bg: #242320;
    --border-color: #2E2D2A;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
    opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem 3rem;
    min-height: 100vh;
}

/* Logo / Header */
.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    text-decoration: none;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

/* Sidebar Nav */
.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-item a:hover,
.nav-item.active a {
    color: var(--primary-color);
    background-color: rgba(74, 107, 83, 0.08);
}

.nav-item.active a {
    font-weight: 600;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

/* Top Navbar / Greeting Header */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.greeting-section h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.greeting-section p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.user-profile-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.notif-badge-container {
    position: relative;
    cursor: pointer;
}

.notif-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    border: 2px solid var(--bg-color);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--card-bg);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.user-info .user-name {
    font-weight: 600;
    font-size: 0.85rem;
}

.user-info .user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

/* Cards & Grid */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background-color: rgba(74, 107, 83, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.accent {
    background-color: rgba(200, 122, 83, 0.1);
    color: var(--accent-color);
}

.stat-details h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-details p {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
}

/* Main Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Project Cards list */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 240px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-color);
}

.project-card.needs-revision::before {
    background: var(--danger-color);
}

.project-card.completed::before {
    background: var(--success-color);
}

.project-card.in-progress::before {
    background: var(--info-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.project-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-color);
    text-decoration: none;
}

.project-title:hover {
    color: var(--primary-color);
}

.project-student {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

/* Badges */
.badge {
    padding: 0.35rem 0.75rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.badge-pending {
    background-color: rgba(126, 124, 120, 0.1);
    color: var(--text-muted);
}

.badge-progress {
    background-color: rgba(108, 160, 176, 0.1);
    color: var(--info-color);
}

.badge-completed {
    background-color: rgba(85, 139, 110, 0.1);
    color: var(--success-color);
}

.badge-revision {
    background-color: rgba(217, 107, 98, 0.1);
    color: var(--danger-color);
}

/* Progress bar */
.progress-container {
    margin-top: auto;
}

.progress-header-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    transition: width 0.5s ease-out;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-accent {
    background-color: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 107, 83, 0.15);
}

select.form-control {
    cursor: pointer;
}

/* Authentication Page */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    padding: 2rem;
}

.auth-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 1rem;
    letter-spacing: -0.5px;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Table styling */
.table-container {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    text-align: left;
}

.table th {
    background-color: rgba(74, 107, 83, 0.05);
    color: var(--primary-color);
    font-weight: 700;
    padding: 1rem;
    font-size: 0.9rem;
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-color);
}

.table tr:hover td {
    background-color: rgba(74, 107, 83, 0.02);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid var(--card-bg);
    box-shadow: 0 0 0 3px rgba(74, 107, 83, 0.15);
}

.timeline-dot.accent {
    background-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(200, 122, 83, 0.15);
}

.timeline-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.timeline-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* Comment Box */
.comments-section {
    margin-top: 2.5rem;
}

.comment-card {
    background-color: rgba(74, 107, 83, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
}

.comment-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.comment-user-avatar.guru-avatar {
    background-color: var(--primary-color);
}

.comment-body {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.comment-author {
    font-weight: 700;
}

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

.comment-text {
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: rgba(85, 139, 110, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(85, 139, 110, 0.2);
}

.alert-danger {
    background-color: rgba(217, 107, 98, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(217, 107, 98, 0.2);
}

/* Utility classes */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.filter-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-end;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        width: 80px;
        padding: 1.5rem 0.5rem;
        align-items: center;
    }
    .brand-name, .nav-text, .user-info, .sidebar-footer {
        display: none;
    }
    .main-content {
        margin-left: 80px;
        padding: 1.5rem;
    }
    .brand-icon {
        margin-bottom: 0;
    }
    .nav-item a {
        justify-content: center;
        padding: 0.85rem;
    }
}

@media (max-width: 768px) {
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .user-profile-section {
        width: 100%;
        justify-content: space-between;
    }
    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
}