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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --shadow: rgba(0, 0, 0, 0.3);
    --border: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    padding: 1rem 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

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

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    max-width: 600px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header h1 i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.user-info span {
    color: var(--accent);
    font-weight: 500;
}

.search-box {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.search-box:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-box::placeholder {
    color: var(--text-secondary);
}

.logout-btn {
    padding: 0.6rem 1.2rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.logout-btn:hover {
    background: #dc2626;
    border-color: #dc2626;
    color: white;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--accent);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.service-link:hover {
    background: var(--accent-hover);
    transform: translateX(3px);
}

.service-link i {
    font-size: 0.8rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

#currentTime {
    color: var(--accent);
    font-weight: 500;
}

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

    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .header-right {
        max-width: 100%;
        flex-wrap: wrap;
    }

    .search-box {
        flex: 1;
        min-width: 200px;
    }

    header h1 {
        font-size: 1.3rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .service-card {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.2rem;
    }

    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .service-card h3 {
        font-size: 1.1rem;
    }

    .logout-btn {
        width: 100%;
    }
}

/* Hidden state for search filter */
.service-card.hidden {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Dynamic animation delays - supports unlimited cards */
.service-card:nth-child(n) {
    animation-delay: calc(0.05s * (var(--card-index, 1)));
}

.service-card:nth-child(1) { --card-index: 1; }
.service-card:nth-child(2) { --card-index: 2; }
.service-card:nth-child(3) { --card-index: 3; }
.service-card:nth-child(4) { --card-index: 4; }
.service-card:nth-child(5) { --card-index: 5; }
.service-card:nth-child(6) { --card-index: 6; }
.service-card:nth-child(7) { --card-index: 7; }
.service-card:nth-child(8) { --card-index: 8; }
.service-card:nth-child(9) { --card-index: 9; }
.service-card:nth-child(10) { --card-index: 10; }
.service-card:nth-child(11) { --card-index: 11; }
.service-card:nth-child(12) { --card-index: 12; }
.service-card:nth-child(13) { --card-index: 13; }
.service-card:nth-child(14) { --card-index: 14; }
.service-card:nth-child(15) { --card-index: 15; }
.service-card:nth-child(16) { --card-index: 16; }
.service-card:nth-child(17) { --card-index: 17; }
.service-card:nth-child(18) { --card-index: 18; }
.service-card:nth-child(19) { --card-index: 19; }
.service-card:nth-child(20) { --card-index: 20; }