/* Scheme of Work - Sleek WAEC Subjects Page */

:root {
    --primary: #8b5cf6;
    --accent: #06b6d4;
    --bg-deep: #020617;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-white: #f8fafc;
    --text-dim: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.05);
    --hover-bg: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-white);
    position: relative;
    overflow-x: hidden;
    background: var(--bg-deep);
}

body::before {
    content: 'EXAMVERSE';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95, 1);
    font-size: 200px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    white-space: nowrap;
    z-index: 0;
    letter-spacing: 12px;
    pointer-events: none;
    user-select: none;
}

/* Watermark */
.watermark-bg {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95, 1);
    font-size: 190px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
    z-index: 0;
    letter-spacing: 12px;
    pointer-events: none;
    user-select: none;
}
.scheme-container {
    position: relative;
    z-index: 10;
    max-width: 210mm;
    min-height: 297mm;
    margin: 0 auto 20px;
    padding: 18mm 20mm 20mm;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
    color: #111827;
}

.scheme-header {
    text-align: center;
    margin-bottom: 40px;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.back-btn {
    position: absolute;
    left: 20px;
    top: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    border-radius: 999px;
    min-width: 120px;
    height: 46px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    box-shadow: 0 16px 40px rgba(139, 92, 246, 0.18);
    backdrop-filter: blur(10px);
}

.back-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 46px rgba(139, 92, 246, 0.24);
    opacity: 0.98;
}

.footer-back-btn,
.scroll-top-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    border-radius: 999px;
    padding: 12px 22px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.25s ease;
    box-shadow: 0 12px 30px rgba(139, 92, 246, 0.18);
}

.footer-back-btn:hover,
.scroll-top-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(139, 92, 246, 0.24);
}

.footer-back-btn {
    position: relative;
    width: auto;
    height: auto;
    min-width: 110px;
}

.scroll-top-btn {
    min-width: 100px;
}

.scheme-footer-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.scheme-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scheme-header p {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin: 0;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.subject-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.subject-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    background: var(--hover-bg);
}

.subject-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.subject-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 15px;
    color: var(--text-white);
}

.subject-card p {
    color: var(--text-dim);
    margin: 0 0 20px;
    line-height: 1.6;
}

.subject-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.subject-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .scheme-header h1 {
        font-size: 2rem;
    }

    .subjects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .subject-card {
        padding: 20px;
    }

    .back-btn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* Table styles for syllabus */
.scheme-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.scheme-content th,
.scheme-content td {
    border: 1px solid var(--glass-border);
    padding: 12px;
    text-align: left;
    vertical-align: top;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.scheme-content th {
    background: var(--glass);
    font-weight: 600;
    color: var(--text-white);
}

.scheme-content td {
    color: var(--text-dim);
}

.scheme-content tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.scheme-content tr:hover {
    background: var(--hover-bg);
}

@media print {
    @page {
        size: A4 portrait;
        margin: 20mm;
    }

    html, body {
        background: white !important;
        color: #000 !important;
        overflow: visible !important;
    }

    body::before,
    .watermark-bg,
    .back-btn {
        display: none !important;
    }

    .scheme-container {
        min-height: auto;
        padding: 0;
        margin: 0 auto;
        background: white !important;
        color: #000 !important;
        box-shadow: none !important;
    }

    .scheme-header h1 {
        background: none !important;
        -webkit-text-fill-color: initial !important;
        color: #000 !important;
    }

    .scheme-header p,
    .scheme-content p,
    .scheme-content td,
    .scheme-content th,
    .scheme-content li {
        color: #000 !important;
    }

    .scheme-content table {
        width: 100%;
        border-collapse: collapse;
        box-shadow: none !important;
        background: transparent !important;
    }

    .scheme-content th,
    .scheme-content td {
        border: 1px solid #000 !important;
        padding: 8px !important;
    }

    .scheme-content tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }

    .scheme-content table,
    .scheme-content th,
    .scheme-content td {
        page-break-inside: auto;
    }
}