@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-dark: #0f172a;
    /* Slate 900 */
    --bg-card: rgba(30, 41, 59, 0.7);
    /* Slate 800 with transparency */
    --accent-blue: #3b82f6;
    /* Blue 500 */
    --accent-indigo: #6366f1;
    /* Indigo 500 */
    --accent-emerald: #10b981;
    /* Emerald 500 */
    --accent-rose: #f43f5e;
    /* Rose 500 */
    --accent-amber: #f59e0b;
    /* Amber 500 */
    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #94a3b8;
    /* Slate 400 */
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-dark);
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

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

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease;
}

.dashboard-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #6366f1, #3b82f6, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glass Card Style */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Stats Overview */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

/* Sidebar/Add Subject Button */
.btn {
    cursor: pointer;
    border: none;
    border-radius: 12px;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
    transform: scale(1.02);
}

.btn-icon {
    font-size: 1.25rem;
}

/* Subject Grid */
.subjects-section {
    margin-bottom: 4rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.subject-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.subject-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.subject-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.subject-stats {
    display: flex;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.attendance-display {
    text-align: right;
}

.percentage-text {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
}

.percentage-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Progress Bar */
.progress-container {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

/* Bunker Status Message */
.bunker-status {
    padding: 0.8rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.status-safe {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-danger {
    background: rgba(244, 63, 94, 0.1);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.2);
}

/* Control Buttons */
.subject-controls {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.btn-sm {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    flex: 1;
}

.btn-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
    border: 1px solid var(--accent-emerald);
}

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

.btn-danger {
    background: rgba(244, 63, 94, 0.1);
    color: var(--accent-rose);
    border: 1px solid var(--accent-rose);
}

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

.btn-outline-danger {
    background: transparent;
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: var(--accent-rose);
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
}

.btn-outline-danger:hover {
    background: var(--accent-rose);
    color: white;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Form Styling */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    color: white;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .subject-grid {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}