/* web_demo/style.css */

:root {
    --bg-dark: #0a0c10;
    --bg-card: rgba(18, 22, 30, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f3f6;
    --text-secondary: #8b949e;
    --accent-blue: #0072B2;
    --accent-orange: #D55E00;
    --accent-green: #009E73;
    --accent-purple: #CC79A7;
    --navbar-height: 70px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-title: 'Outfit', var(--font-sans);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 宇宙的バックグラウンドグラデーション */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 114, 178, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(213, 94, 0, 0.1) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(0, 158, 115, 0.05) 0%, transparent 50%),
        var(--bg-dark);
}

/* ナビゲーションバー */
.navbar {
    height: var(--navbar-height);
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 24px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 1px solid var(--border-color);
    padding: 2px 10px;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.03);
}

.logo-text {
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: 0.5px;
}

.nav-controls {
    display: flex;
    gap: 16px;
}

/* ボタン */
.btn {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #005a8f 0%, var(--accent-blue) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 114, 178, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 114, 178, 0.5);
    background: linear-gradient(135deg, var(--accent-blue) 0%, #008cdb 100%);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-mini {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.5);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-mini:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* アプリコンテナ */
.app-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 30px;
    padding: 30px 40px;
    height: calc(100vh - var(--navbar-height));
    max-width: 1800px;
    margin: 0 auto;
}

/* 左カラム: 論文本文 */
.paper-column {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.paper-column::-webkit-scrollbar {
    width: 8px;
}

.paper-column::-webkit-scrollbar-track {
    background: transparent;
}

.paper-column::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.paper-column::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.paper-badge {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-blue);
    background: rgba(0, 114, 178, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(0, 114, 178, 0.3);
    display: inline-block;
    margin-bottom: 20px;
}

.paper-title {
    font-family: var(--font-title);
    font-weight: 800;
    font-size: 32px;
    line-height: 1.3;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 50%, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.author-info {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.tldr-box {
    background: rgba(255, 255, 255, 0.02);
    border-left: 4px solid var(--accent-blue);
    padding: 20px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 30px;
}

.tldr-box h3 {
    font-family: var(--font-title);
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tldr-box p {
    font-size: 15px;
    color: var(--text-primary);
}

.paper-section {
    margin-bottom: 35px;
}

.paper-section h2 {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.paper-section p {
    font-size: 15px;
    color: #c9d1d9;
    margin-bottom: 15px;
    text-align: justify;
}

.paper-section ul {
    margin-left: 20px;
    margin-bottom: 15px;
    color: #c9d1d9;
}

.paper-section li {
    margin-bottom: 6px;
}

.paper-img-container {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin: 25px 0;
    text-align: center;
}

.paper-img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.img-caption {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 10px;
    line-height: 1.4;
}

/* 右カラム: 可視化デモ & 統計グラフ */
.visual-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: 100%;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.visual-card {
    flex: 1.2;
}

.graph-card {
    flex: 0.8;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-family: var(--font-title);
    font-size: 16px;
    font-weight: 600;
}

.visual-selectors {
    display: flex;
    gap: 8px;
}

.selector-btn {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.selector-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.selector-btn.active {
    color: white;
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 114, 178, 0.4);
}

.canvas-container {
    flex: 1;
    position: relative;
    min-height: 250px;
    background: rgba(0, 0, 0, 0.2);
}

#three-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.visual-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 5;
}

.stats-mini {
    background: rgba(10, 12, 16, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--text-secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stats-mini strong {
    color: var(--text-primary);
}

.view-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: auto;
}

.chart-container {
    flex: 1;
    padding: 15px;
    position: relative;
    background: rgba(0, 0, 0, 0.1);
    min-height: 180px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
}

.card-footer p {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ローディングスピナー */
.spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    z-index: 10;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--accent-blue);
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    animation-delay: -1.0s;
}

@keyframes sk-bounce {
    0%, 100% { transform: scale(0.0); }
    50% { transform: scale(1.0); }
}

/* フッター */
.footer {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid var(--border-color);
    background: rgba(10, 12, 16, 0.9);
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 20px;
}

/* ユーティリティ */
.hide {
    display: none !important;
}

/* 言語切り替え・フェードアニメーション */
.ja-content, .en-content {
    transition: opacity 0.3s ease;
}

/* レスポンシブ設計 */
@media (max-width: 1100px) {
    .app-container {
        grid-template-columns: 1fr;
        height: auto;
        overflow-y: visible;
        padding: 20px;
    }
    
    .paper-column {
        height: 600px;
    }
    
    .visual-column {
        height: 900px;
    }
}

@media (max-width: 600px) {
    .navbar {
        padding: 0 15px;
    }
    
    .logo-text {
        display: none;
    }
    
    .app-container {
        padding: 10px;
    }
    
    .paper-column {
        padding: 20px;
        height: 500px;
    }
    
    .visual-column {
        height: 800px;
    }
}