/**
 * CRIME MIND - コアスタイルシート (style.css)
 * 犯罪捜査資料・FBI心理プロファイル・機密ファイルデザインシステム
 */

:root {
    /* カラーパレット */
    --bg-darkest: #090a0d;
    --bg-dark: #101217;
    --bg-card: #161922;
    --bg-card-hover: #1d212d;
    --bg-card-active: #232838;
    --bg-input: #12141c;
    
    --border-color: #2a2e3d;
    --border-highlight: #3f455b;
    --border-crimson: #7f1d1d;
    --border-crimson-glow: rgba(185, 28, 28, 0.4);

    --text-main: #e2e8f0;
    --text-sub: #94a3b8;
    --text-muted: #64748b;
    --text-highlight: #ffffff;

    --crimson-dark: #450a0a;
    --crimson-base: #991b1b;
    --crimson-bright: #dc2626;
    --crimson-light: #ef4444;
    --crimson-glow: rgba(220, 38, 38, 0.25);

    --amber-base: #d97706;
    --amber-bright: #f59e0b;
    --green-base: #10b981;
    --blue-base: #3b82f6;

    /* タイポグラフィ */
    --font-heading: 'Cinzel', 'Noto Sans JP', serif;
    --font-body: 'Noto Sans JP', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* レイアウト */
    --max-width: 1040px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* リセット & 基本設定 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-darkest);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-darkest);
    color: var(--text-main);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* グリッド背景テクスチャ */
.bg-grid {
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* 機密スキャンライン & ビネット効果 */
.scanline-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.2)
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
}

.vignette-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, rgba(0,0,0,0) 50%, rgba(0,0,0,0.75) 100%);
    pointer-events: none;
    z-index: 9998;
}

.site-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
    position: relative;
    z-index: 10;
}

/* ヘッダーバー */
.system-topbar {
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(16, 18, 23, 0.92);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    margin: 0 -1.25rem 2rem;
    padding: 0.75rem 1.25rem;
}

.topbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.file-badge {
    background: var(--crimson-dark);
    color: var(--crimson-bright);
    border: 1px solid var(--crimson-base);
    padding: 0.15rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.file-id {
    color: var(--text-muted);
}

.age-limit-tag {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-sub);
    padding: 0.15rem 0.4rem;
    border-radius: var(--border-radius-sm);
}

.logo-link {
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    display: inline-flex;
    align-items: center;
}

.logo-crime {
    color: #ffffff;
    text-shadow: 0 0 12px rgba(255,255,255,0.2);
}

.logo-mind {
    color: var(--crimson-bright);
    margin-left: 0.35rem;
    text-shadow: 0 0 15px var(--crimson-glow);
}

.topbar-status {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--crimson-bright);
    box-shadow: 0 0 8px var(--crimson-bright);
}

.status-indicator.live {
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* カード基底スタイル */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    margin-bottom: 1.75rem;
    position: relative;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.card-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: 0.05em;
}

.card-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.06);
    color: var(--crimson-bright);
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-crimson);
}

/* ボタン共通 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    letter-spacing: 0.05em;
    user-select: none;
    text-align: center;
}

.btn:disabled,
.btn.btn-disabled {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(0.5);
    box-shadow: none !important;
}

.btn-crimson {
    background: linear-gradient(135deg, var(--crimson-base), var(--crimson-dark));
    color: #ffffff;
    border-color: var(--crimson-bright);
    box-shadow: 0 4px 15px rgba(185, 28, 28, 0.3);
}

.btn-crimson:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--crimson-bright), var(--crimson-base));
    box-shadow: 0 6px 22px rgba(220, 38, 38, 0.5);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border-color: var(--border-highlight);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-main);
    color: #ffffff;
}

.btn-large {
    padding: 1.15rem 2.5rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.btn-block {
    width: 100%;
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(60deg, transparent, rgba(255,255,255,0.12), transparent);
    transform: rotate(30deg);
    animation: btnShine 4s infinite;
}

@keyframes btnShine {
    0% { transform: translateX(-100%) rotate(30deg); }
    30%, 100% { transform: translateX(100%) rotate(30deg); }
}

/* 機密スタンプ演出 */
.classified-stamp {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    border: 3px solid var(--crimson-bright);
    color: var(--crimson-bright);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.85rem;
    padding: 0.25rem 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transform: rotate(8deg);
    opacity: 0.85;
    pointer-events: none;
    border-radius: var(--border-radius-sm);
    text-shadow: 0 0 8px var(--crimson-glow);
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.2);
}

/* フッター */
.system-footer {
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.disclaimer-panel {
    background-color: rgba(18, 20, 28, 0.7);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--amber-base);
    border-radius: var(--border-radius-sm);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.disclaimer-title {
    color: var(--amber-bright);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.disclaimer-list {
    padding-left: 1.25rem;
    line-height: 1.8;
}

.disclaimer-list li {
    margin-bottom: 0.35rem;
}

.footer-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.footer-links a {
    color: var(--text-sub);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-links .sep {
    color: var(--border-highlight);
    margin: 0 0.4rem;
}

.classified-code {
    color: var(--crimson-bright);
}

/* ユーティリティ */
.text-muted { color: var(--text-muted); }
.text-crimson { color: var(--crimson-bright); }
.text-amber { color: var(--amber-bright); }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.badge-amber {
    background: rgba(217, 119, 6, 0.15);
    color: var(--amber-bright);
    border: 1px solid var(--amber-base);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .site-container {
        padding: 0 0.85rem 2rem;
    }
    .system-topbar {
        margin: 0 -0.85rem 1.5rem;
        padding: 0.6rem 0.85rem;
    }
    .card {
        padding: 1.35rem 1rem;
    }
    .classified-stamp {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
        transform: none;
    }
    .footer-bottom-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}