:root {
    --color-primary: #0066b3;
    --color-secondary: #fdb913;
    --color-accent: #ffca3a;
    --color-dark: #0d1b2a;
    --color-light: #f8f9fa;
    --color-mid: #e0e1dd;
    
    /* Activity colors */
    --tt-color: #4a90e2;
    --pickleball-color: #e24a90;
    --yoga-color: #9b59b6;
    --taekwondo-color: #e67e22;
    --cheerleading-color: #e74c3c;
    --footsteps-color: #27ae60;
    --tournament-color: #f39c12;
    --smb-color: #3498db;
    --default-color: #95a5a6;
    
    --font-display: 'Archivo', sans-serif;
    --font-body: 'Work Sans', sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--color-dark);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, #0066b3 0%, #004c8c 50%, #003d73 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.site-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(253,185,19,0.15) 0%, transparent 70%);
    transform: rotate(-15deg);
    pointer-events: none;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.logo-area {
    animation: slideInDown 0.6s ease-out;
}

.site-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.site-title .community {
    font-weight: 600;
    font-size: 2.5rem;
    color: #fdb913;
    display: inline-block;
    animation: fadeIn 0.8s ease-out 0.3s both;
}

.tagline {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    opacity: 0.9;
    margin-top: 0.5rem;
    animation: fadeIn 0.8s ease-out 0.5s both;
}

.header-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #fdb913 0%, #ffca3a 100%);
}

/* Main Content */
.main-content {
    padding: 3rem 2rem;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* Section Headers */
.section-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    position: relative;
}

.title-bg {
    position: relative;
    display: inline-block;
    padding: 0.25rem 0;
}

.title-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 12px;
    background: var(--color-accent);
    opacity: 0.3;
    z-index: -1;
}

/* Noticeboard */
.noticeboard-section {
    margin-bottom: 4rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.noticeboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.notice-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--color-primary);
}

.notice-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.notice-card.highlight {
    border-left-color: var(--color-secondary);
    background: linear-gradient(135deg, #fff9f5 0%, #ffffff 100%);
}

.notice-icon {
    font-size: 2rem;
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
}

.notice-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.notice-content p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
    margin-bottom: 1rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.notice-content a {
    color: var(--color-primary);
    text-decoration: none;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-all;
    display: inline-block;
    max-width: 100%;
}

.notice-content a:hover {
    text-decoration: underline;
}

.notice-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #004c8c 0%, #003366 100%) !important;
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    text-decoration: none !important;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,102,179,0.2);
}

.notice-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,179,0.3);
    background: linear-gradient(135deg, #0055aa 0%, #004488 100%) !important;
    color: #ffffff !important;
    text-decoration: none !important;
}

.notice-button:active {
    transform: translateY(0);
}

/* Timetable Section */
.timetable-section {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.week-display {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.week-nav-btn {
    background: linear-gradient(135deg, var(--color-primary) 0%, #004c8c 100%);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,102,179,0.2);
}

.week-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,102,179,0.3);
    background: linear-gradient(135deg, #0077cc 0%, #0055aa 100%);
}

.week-nav-btn:active {
    transform: translateY(0);
}

.week-text {
    flex: 1;
    text-align: center;
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-primary);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-mid);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Timetable */
.timetable-container {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    overflow-x: auto;
}

.timetable {
    display: grid;
    grid-template-columns: 80px repeat(7, 1fr);
    gap: 0;
    min-width: 800px;
}

.timetable-header {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    padding: 1rem 0.5rem;
    background: linear-gradient(135deg, #0066b3 0%, #004c8c 100%);
    color: white;
    border: 1px solid rgba(255,255,255,0.1);
}

.timetable-header.time-col {
    background: var(--color-dark);
    font-weight: 600;
}

.timetable-header.day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.day-name {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.day-date {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.time-slot {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 1rem 0.5rem;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.timetable-cell {
    padding: 1rem 0.75rem;
    border: 1px solid #e9ecef;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
    background: white;
    transition: all 0.2s ease;
}

.timetable-cell:hover {
    background: #f8f9fa;
    z-index: 10;
}

.timetable-cell.has-session {
    cursor: pointer;
}

.session-block {
    background: linear-gradient(135deg, var(--default-color) 0%, #a8b8ba 100%);
    color: white;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    flex-shrink: 0;
}

.session-block:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Activity-based colors */
.session-block.table-tennis {
    background: linear-gradient(135deg, var(--tt-color) 0%, #5ca7eb 100%);
}

.session-block.pickleball {
    background: linear-gradient(135deg, var(--pickleball-color) 0%, #e87aaa 100%);
}

.session-block.yoga {
    background: linear-gradient(135deg, var(--yoga-color) 0%, #af70c6 100%);
}

.session-block.taekwondo {
    background: linear-gradient(135deg, var(--taekwondo-color) 0%, #f39c12 100%);
}

.session-block.cheerleading {
    background: linear-gradient(135deg, var(--cheerleading-color) 0%, #e8635e 100%);
}

.session-block.footsteps {
    background: linear-gradient(135deg, var(--footsteps-color) 0%, #2ecc71 100%);
}

.session-block.smb {
    background: linear-gradient(135deg, var(--smb-color) 0%, #5dade2 100%);
}

.session-block.tournament {
    background: linear-gradient(135deg, var(--tournament-color) 0%, #f1c40f 100%);
}

.session-block.full-day {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    border-left: 4px solid var(--color-secondary);
}

.session-block.private-session {
    opacity: 0.85;
}

.session-block.members-only {
    border: 2px dashed rgba(255,255,255,0.5);
}

.session-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.session-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    background: rgba(0,0,0,0.2);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.session-time {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 400;
}

.session-room {
    font-size: 0.7rem;
    opacity: 0.8;
    margin-top: 0.25rem;
    font-weight: 300;
}

/* Legend */
.legend {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.legend h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.legend-items {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.legend-color.table-tennis {
    background: linear-gradient(135deg, var(--tt-color) 0%, #5ca7eb 100%);
}

.legend-color.pickleball {
    background: linear-gradient(135deg, var(--pickleball-color) 0%, #e87aaa 100%);
}

.legend-color.yoga {
    background: linear-gradient(135deg, var(--yoga-color) 0%, #af70c6 100%);
}

.legend-color.taekwondo {
    background: linear-gradient(135deg, var(--taekwondo-color) 0%, #f39c12 100%);
}

.legend-color.cheerleading {
    background: linear-gradient(135deg, var(--cheerleading-color) 0%, #e8635e 100%);
}

.legend-color.footsteps {
    background: linear-gradient(135deg, var(--footsteps-color) 0%, #2ecc71 100%);
}
.legend-color.SMB {
    background: linear-gradient(135deg, var(--SMB-color) 0%, #5dade2 100%);
}
.legend-color.tournament {
    background: linear-gradient(135deg, var(--tournament-color) 0%, #f1c40f 100%);
}

/* Footer */
.site-footer {
    background: var(--color-dark);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-content p {
    margin: 0.5rem 0;
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-note {
    font-size: 0.85rem;
    color: var(--color-accent);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .site-title {
        font-size: 2.5rem;
    }
    
    .site-title .community {
        font-size: 1.8rem;
    }
    
    .timetable-container {
        padding: 1rem;
    }
    
    .timetable {
        grid-template-columns: 80px repeat(7, 1fr);
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .noticeboard {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 2rem 1rem 1.5rem;
    }
    
    .site-title {
        font-size: 2rem;
    }
    
    .site-title .community {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
}