/**
 * 看護学部偏差値ランキング - スタイルシート
 * Version: 1.1.0
 */

/* ===== CSS Variables ===== */
.nr-container {
    --nr-primary: #1565C0;
    --nr-primary-light: #E3F2FD;
    --nr-primary-dark: #0D47A1;
    --nr-accent: #FF6D00;
    --nr-accent-light: #FFF3E0;
    --nr-success: #2E7D32;
    --nr-success-light: #E8F5E9;
    --nr-gray-50: #FAFAFA;
    --nr-gray-100: #F5F5F5;
    --nr-gray-200: #EEEEEE;
    --nr-gray-300: #E0E0E0;
    --nr-gray-500: #9E9E9E;
    --nr-gray-700: #616161;
    --nr-gray-900: #212121;
    --nr-white: #FFFFFF;
    --nr-up: #D32F2F;
    --nr-down: #1976D2;
    --nr-radius-sm: 6px;
    --nr-radius-md: 10px;
    --nr-radius-lg: 16px;
    --nr-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --nr-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

.nr-container {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--nr-gray-900);
}

.nr-container * {
    box-sizing: border-box;
}

/* ===== Error Message ===== */
.nr-error {
    padding: 20px;
    background: #FFF3E0;
    border-left: 4px solid var(--nr-accent);
    border-radius: var(--nr-radius-sm);
    color: var(--nr-gray-700);
}

/* ===== Schedule Filter ===== */
.nr-schedule-filter {
    background: var(--nr-white);
    border-radius: var(--nr-radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--nr-shadow-sm);
}

.nr-schedule-filter-title {
    font-weight: 700;
    color: var(--nr-gray-800);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.nr-schedule-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nr-schedule-btn {
    padding: 0.5rem 1.25rem;
    border: 2px solid var(--nr-primary);
    background: var(--nr-white);
    color: var(--nr-primary);
    border-radius: var(--nr-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.nr-schedule-btn:hover {
    background: var(--nr-primary-light);
}

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

/* Empty Message */
.nr-empty-message {
    padding: 2rem;
    text-align: center;
    color: var(--nr-gray-500);
    font-size: 0.9rem;
    background: var(--nr-gray-100);
    border-radius: var(--nr-radius-sm);
    margin: 1rem;
}

/* ===== Schedule Filter ===== */
.nr-schedule-filter {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    border-radius: var(--nr-radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--nr-primary);
}

.nr-schedule-filter-title {
    font-weight: 700;
    color: var(--nr-primary-dark);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.nr-schedule-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nr-schedule-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--nr-primary);
    background: var(--nr-white);
    color: var(--nr-primary);
    border-radius: var(--nr-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.nr-schedule-btn:hover {
    background: var(--nr-primary-light);
}

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

/* Empty Message */
.nr-empty-message {
    padding: 2rem;
    text-align: center;
    color: var(--nr-gray-500);
    font-size: 0.9rem;
    background: var(--nr-gray-100);
    border-radius: var(--nr-radius-sm);
    margin: 1rem 0;
}

/* ===== Region Filter ===== */
.nr-region-filter {
    background: var(--nr-white);
    border-radius: var(--nr-radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--nr-shadow-sm);
}

.nr-region-filter-title {
    font-size: 0.9rem;
    color: var(--nr-gray-700);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.nr-region-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nr-region-link {
    padding: 0.4rem 0.9rem;
    background: var(--nr-gray-100);
    border-radius: 20px;
    color: var(--nr-gray-700);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.nr-region-link:hover,
.nr-region-link:focus {
    background: var(--nr-primary-light);
    color: var(--nr-primary);
    text-decoration: none;
}

.nr-region-link .nr-count {
    color: var(--nr-gray-500);
    font-size: 0.75rem;
}

/* ===== Legend ===== */
.nr-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--nr-white);
    border-radius: var(--nr-radius-md);
    box-shadow: var(--nr-shadow-sm);
}

.nr-legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--nr-gray-700);
}

/* ===== Badges ===== */
.nr-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
}

.nr-badge-reversal {
    background: #FFEBEE;
    color: #C62828;
    border: 1px solid #C62828;
}

.nr-badge-no-math {
    background: var(--nr-success-light);
    color: var(--nr-success);
    border: 1px solid var(--nr-success);
}

.nr-badge-interview {
    background: var(--nr-primary-light);
    color: var(--nr-primary);
    border: 1px solid var(--nr-primary);
}

/* ===== Table Wrapper ===== */
.nr-table-wrapper {
    background: var(--nr-white);
    border-radius: var(--nr-radius-lg);
    box-shadow: var(--nr-shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
}

.nr-region-heading {
    background: linear-gradient(90deg, var(--nr-primary) 0%, var(--nr-primary-dark) 100%);
    color: var(--nr-white);
    padding: 0.75rem 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

/* Region Description */
.nr-region-description {
    background: #F8F9FA;
    border-left: 4px solid var(--nr-primary);
    padding: 1rem 1.5rem;
    margin: 1rem 1.25rem;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--nr-gray-700);
    border-radius: var(--nr-radius-sm);
}

/* Back to Top Link */
.nr-back-to-top {
    text-align: center;
    padding: 1rem;
    background: var(--nr-gray-100);
    border-radius: 0 0 var(--nr-radius-md) var(--nr-radius-md);
}

.nr-back-to-top a {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    color: var(--nr-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--nr-primary);
    border-radius: var(--nr-radius-sm);
    transition: all 0.2s;
}

.nr-back-to-top a:hover {
    background: var(--nr-primary);
    color: var(--nr-white);
}

/* ===== Table ===== */
.nr-table {
    width: 100%;
    border-collapse: collapse;
}

.nr-table thead {
    background: var(--nr-gray-50);
}

.nr-table th {
    padding: 0.9rem 0.75rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--nr-gray-700);
    border-bottom: 3px solid var(--nr-primary);
    white-space: nowrap;
}

.nr-table th.nr-col-rank { width: 50px; text-align: center; }
.nr-table th.nr-col-univ { min-width: 200px; }
.nr-table th.nr-col-score { width: 110px; text-align: center; }
.nr-table th.nr-col-ratio { width: 80px; text-align: center; }
.nr-table th.nr-col-tags { width: 180px; }
.nr-table th.nr-col-trend { width: 120px; text-align: center; border-left: 2px solid var(--nr-gray-300); }

.nr-table tbody tr {
    transition: background 0.15s ease;
}

.nr-table tbody tr:hover {
    background: var(--nr-primary-light);
}

.nr-table td {
    padding: 1rem 0.75rem;
    vertical-align: middle;
    border-bottom: 2px solid var(--nr-gray-300);
}

/* Rank Cell */
.nr-rank-cell {
    text-align: center;
}

.nr-rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
}

.nr-rank-1 { background: linear-gradient(135deg, #FFD700, #FFA000); color: #5D4037; }
.nr-rank-2 { background: linear-gradient(135deg, #E0E0E0, #BDBDBD); color: #424242; }
.nr-rank-3 { background: linear-gradient(135deg, #CD7F32, #B87333); color: #FFFFFF; }
.nr-rank-other { background: var(--nr-gray-100); color: var(--nr-gray-700); }

/* University Cell */
.nr-univ-cell {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nr-univ-name {
    font-weight: 700;
    color: var(--nr-gray-900);
    font-size: 0.95rem;
}

.nr-univ-dept {
    font-size: 0.75rem;
    color: var(--nr-gray-500);
}

.nr-univ-schedule {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    width: fit-content;
}

/* 日程別カラーリング */
.nr-schedule-zenki {
    background: #E3F2FD;
    color: #1565C0;
    border: 1px solid #1565C0;
}

.nr-schedule-kouki {
    background: #FFF3E0;
    color: #E65100;
    border: 1px solid #E65100;
}

.nr-schedule-chuki {
    background: #F3E5F5;
    color: #7B1FA2;
    border: 1px solid #7B1FA2;
}

/* Common Test Info */
.nr-common-test {
    font-size: 0.75rem;
    color: var(--nr-gray-700);
    margin-top: 0.4rem;
    padding: 0.4rem 0.6rem;
    background: #ECEFF1;
    border-radius: 4px;
    line-height: 1.5;
}

.nr-common-test-label {
    display: inline-block;
    background: #607D8B;
    color: var(--nr-white);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-right: 0.4rem;
}

/* Score Cells */
.nr-score-cell {
    text-align: center;
}

.nr-score-main {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--nr-primary-dark);
}

.nr-score-sub {
    display: block;
    font-size: 0.7rem;
    color: var(--nr-gray-500);
    margin-top: 2px;
}

.nr-score-na {
    color: var(--nr-gray-500);
    font-size: 0.9rem;
}

/* Progress Bar */
.nr-progress-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nr-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--nr-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.nr-progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.nr-progress-high { background: linear-gradient(90deg, #D32F2F, #F44336); }
.nr-progress-mid { background: linear-gradient(90deg, #FF6D00, #FF9800); }
.nr-progress-low { background: linear-gradient(90deg, #1976D2, #42A5F5); }

/* Ratio Cell */
.nr-ratio-cell {
    text-align: center;
}

.nr-ratio-value {
    font-weight: 600;
    font-size: 0.95rem;
}

.nr-ratio-high {
    color: var(--nr-accent) !important;
}

/* Tags Cell */
.nr-tags-cell {
    vertical-align: middle;
}

.nr-tags-cell .nr-badge {
    display: inline-block;
    margin: 0.15rem;
}

/* Trend Cell */
.nr-trend-cell {
    text-align: center;
    border-left: 2px solid var(--nr-gray-300);
}

.nr-trend-up {
    color: var(--nr-up);
    font-weight: 600;
}

.nr-trend-down {
    color: var(--nr-down);
    font-weight: 600;
}

.nr-trend-same {
    color: var(--nr-gray-700);
    font-weight: 600;
}

.nr-trend-na,
.nr-trend-new {
    color: var(--nr-gray-500);
}

/* ===== Details/Summary ===== */
.nr-details-toggle {
    margin-top: 0.5rem;
}

.nr-details-toggle summary {
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--nr-accent);
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.3rem 0.6rem;
    background: var(--nr-accent-light);
    border: 1px solid var(--nr-accent);
    border-radius: 4px;
    transition: all 0.2s;
}

.nr-details-toggle summary:hover {
    background: var(--nr-accent);
    color: var(--nr-white);
}

.nr-details-toggle summary::-webkit-details-marker {
    display: none;
}

.nr-details-toggle summary::before {
    content: '▶';
    font-size: 0.6rem;
    transition: transform 0.2s;
}

.nr-details-toggle[open] summary::before {
    transform: rotate(90deg);
}

.nr-details-content {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--nr-gray-50);
    border-radius: var(--nr-radius-md);
    border: 1px solid var(--nr-gray-200);
}

/* ===== Subject Cards Grid ===== */
.nr-subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.nr-subject-card {
    padding: 0.6rem;
    border-radius: var(--nr-radius-sm);
    text-align: center;
    border: 2px solid;
}

.nr-subject-name {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.nr-subject-point {
    font-size: 1rem;
    font-weight: 700;
}

/* Subject Details List (outside cards) */
.nr-subject-details-list {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--nr-white);
    border-radius: var(--nr-radius-sm);
    border-left: 3px solid var(--nr-primary);
}

.nr-subject-detail-item {
    font-size: 0.75rem;
    color: var(--nr-gray-700);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--nr-gray-200);
}

.nr-subject-detail-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* Subject Card Types */
.nr-subj-required {
    background: #E3F2FD;
    border-color: #1976D2;
}
.nr-subj-required .nr-subject-name { color: #1565C0; }
.nr-subj-required .nr-subject-point { color: #0D47A1; }

.nr-subj-select {
    background: #E8F5E9;
    border-color: #43A047;
}
.nr-subj-select .nr-subject-name { color: #2E7D32; }
.nr-subj-select .nr-subject-point { color: #1B5E20; }

.nr-subj-essay {
    background: #FFF3E0;
    border-color: #FF9800;
}
.nr-subj-essay .nr-subject-name { color: #E65100; }
.nr-subj-essay .nr-subject-point { color: #E65100; }

.nr-subj-interview {
    background: #FCE4EC;
    border-color: #EC407A;
}
.nr-subj-interview .nr-subject-name { color: #C2185B; }
.nr-subj-interview .nr-subject-point { color: #AD1457; }

.nr-subj-other {
    background: #F3E5F5;
    border-color: #AB47BC;
}
.nr-subj-other .nr-subject-name { color: #7B1FA2; }
.nr-subj-other .nr-subject-point { color: #6A1B9A; }

/* Detail Sections */
.nr-detail-section {
    font-size: 0.8rem;
    color: var(--nr-gray-700);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: var(--nr-white);
    border-radius: var(--nr-radius-sm);
}

.nr-detail-section:last-child {
    margin-bottom: 0;
}

.nr-detail-section strong {
    color: var(--nr-primary);
    display: block;
    margin-bottom: 0.25rem;
}

.nr-detail-section.nr-note {
    background: #FFF8E1;
    border-left: 3px solid #FFC107;
}

.nr-detail-section.nr-note strong {
    color: #F57C00;
}

/* ===== Card View (Mobile) ===== */
.nr-card-section {
    display: none;
}

@media (max-width: 900px) {
    .nr-table-wrapper {
        display: none;
    }

    .nr-card-section {
        display: block;
        margin-bottom: 1.5rem;
    }

    .nr-card-section .nr-region-heading {
        border-radius: var(--nr-radius-md) var(--nr-radius-md) 0 0;
    }

    .nr-card-container {
        display: flex;
        flex-direction: column;
        background: var(--nr-white);
        border-radius: 0 0 var(--nr-radius-md) var(--nr-radius-md);
        box-shadow: var(--nr-shadow-md);
    }

    .nr-card {
        padding: 1rem;
        border-bottom: 1px solid var(--nr-gray-200);
    }

    .nr-card:last-child {
        border-bottom: none;
    }

    .nr-card-header {
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .nr-card-rank {
        flex-shrink: 0;
    }

    .nr-card-univ-info {
        flex: 1;
        min-width: 0;
    }

    .nr-card-univ-name {
        font-weight: 700;
        font-size: 1rem;
        color: var(--nr-gray-900);
        margin-bottom: 0.25rem;
    }

    .nr-card-univ-dept {
        font-size: 0.75rem;
        color: var(--nr-gray-500);
        line-height: 1.4;
    }

    .nr-card-scores {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }

    .nr-card-score-item {
        background: var(--nr-gray-50);
        padding: 0.6rem;
        border-radius: var(--nr-radius-sm);
        text-align: center;
    }

    .nr-card-score-label {
        font-size: 0.7rem;
        color: var(--nr-gray-500);
        margin-bottom: 0.25rem;
    }

    .nr-card-score-value {
        font-weight: 700;
        font-size: 1.3rem;
        color: var(--nr-primary-dark);
    }

    .nr-card-score-value.nr-na {
        font-size: 1rem;
        color: var(--nr-gray-500);
    }

    .nr-card-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        align-items: center;
        margin-bottom: 0.5rem;
        font-size: 0.8rem;
    }

    .nr-card-ratio {
        color: var(--nr-gray-700);
    }

    .nr-card-trend {
        color: var(--nr-gray-700);
    }

    .nr-card-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.3rem;
        margin-bottom: 0.5rem;
    }

    .nr-card-details {
        margin-top: 0.5rem;
    }

    /* Mobile Subject Grid */
    .nr-subjects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .nr-subjects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Footer Note ===== */
.nr-footer-note {
    background: var(--nr-gray-100);
    padding: 1rem 1.25rem;
    border-radius: var(--nr-radius-md);
    font-size: 0.8rem;
    color: var(--nr-gray-700);
    line-height: 1.8;
}

/* ===== Back to Top Link ===== */
.nr-back-to-top {
    text-align: center;
    padding: 1rem;
    background: var(--nr-gray-100);
    border-radius: 0 0 var(--nr-radius-md) var(--nr-radius-md);
}

.nr-back-to-top a {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--nr-white);
    color: var(--nr-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--nr-primary);
    border-radius: var(--nr-radius-sm);
    transition: all 0.2s;
}

.nr-back-to-top a:hover {
    background: var(--nr-primary);
    color: var(--nr-white);
}

.nr-footer-note p {
    margin: 0 0 0.25rem 0;
}

.nr-footer-note p:last-child {
    margin-bottom: 0;
}

/* ===== Print Styles ===== */
@media print {
    .nr-region-filter,
    .nr-legend,
    .nr-details-toggle,
    .nr-card-section {
        display: none !important;
    }

    .nr-table-wrapper {
        display: block !important;
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    .nr-table tbody tr {
        break-inside: avoid;
    }

    .nr-region-heading {
        background: #333 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .nr-progress-fill {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* ===== Smooth Scroll ===== */
html {
    scroll-behavior: smooth;
}

/* ===== Scroll Offset for Anchor Links ===== */
.nr-region-section {
    scroll-margin-top: 100px;
}