/* codex: 2026-11-13 4x4网格折纸探秘核心样式表，质感纸艺与响应式布局 */

:root {
    --primary-color: #5d4037;
    --primary-hover: #4e342e;
    --accent-color: #d81b60;
    --bg-gradient: linear-gradient(135deg, #fdfbf7 0%, #ece5dd 100%);
    --card-bg: rgba(255, 255, 255, 0.94);
    --border-color: #d7ccc8;
    --shadow-soft: 0 8px 24px rgba(78, 52, 46, 0.08);
    --shadow-lift: 0 12px 32px rgba(78, 52, 46, 0.14);
    --text-main: #3e2723;
    --text-muted: #6d4c41;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
}

.game-container {
    width: 100%;
    max-width: 960px;
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-lift);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* 顶栏 */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    border-bottom: 2px dashed #d7ccc8;
    padding-bottom: 14px;
}

.header-title h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.header-title p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.header-tools {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-tool {
    background: #efebe9;
    color: var(--primary-color);
    border: 1px solid #d7ccc8;
    padding: 7px 14px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-tool:hover {
    background: #e0d8d3;
    transform: translateY(-1px);
}

/* 统计卡片栏 */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}

.stat-item {
    background: #fbf9f6;
    border: 1px solid #e0d7d0;
    border-radius: 12px;
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.stat-item.highlight-card {
    background: linear-gradient(135deg, #fff5f8 0%, #fce4ec 100%);
    border-color: #f48fb1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-value.highlight {
    color: var(--accent-color);
}

.stat-value.highlight-alt {
    color: #2e7d32;
}

.stat-unit {
    font-size: 0.75rem;
    color: #8d6e63;
}

/* 9重厚度成就履带与模式切换 */
.achievement-section {
    background: #fdfaf6;
    border: 1px solid #e2d9d0;
    border-radius: 14px;
    padding: 14px 16px;
}

.achievement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.achievement-title-area {
    display: flex;
    align-items: center;
    gap: 8px;
}

.achievement-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.mode-toggle-group {
    display: inline-flex;
    background: #eae2d8;
    border-radius: 8px;
    padding: 2px;
}

.btn-mode-toggle {
    background: transparent;
    border: none;
    color: #6d4c41;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-mode-toggle.active {
    background: #ffffff;
    color: var(--primary-color);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.btn-clear-collection {
    background: #fff0f0;
    color: #c62828;
    border: 1px solid #ffcdd2;
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-clear-collection:hover {
    background: #ffebee;
    border-color: #ef9a9a;
    transform: translateY(-1px);
}

.thickness-badge-track {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.thickness-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.thickness-badge.locked {
    background: #ede7e3;
    color: #9e9e9e;
    border: 1px dashed #bdbdbd;
}

.thickness-badge.locked:hover {
    background: #e0d7d0;
    color: #616161;
}

.thickness-badge.unlocked {
    background: #e8f5e9;
    color: #1b5e20;
    border: 1px solid #81c784;
    box-shadow: 0 2px 4px rgba(46, 125, 50, 0.15);
}

.thickness-badge.unlocked:hover {
    transform: scale(1.05);
    background: #c8e6c9;
}

.thickness-badge.current {
    border: 2px solid #d81b60;
    box-shadow: 0 0 10px rgba(216, 27, 96, 0.35);
}

.thickness-badge.mystery {
    background: #fff8e1;
    color: #f57f17;
    border: 1.5px dashed #fbc02d;
    cursor: default;
    animation: pulseMystery 2s infinite ease-in-out;
}

@keyframes pulseMystery {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.03); }
}

/* 操作控制栏 */
.action-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-action {
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.btn-undo {
    background: #eceff1;
    color: #37474f;
}
.btn-undo:hover {
    background: #cfd8dc;
    transform: translateY(-2px);
}

.btn-reset {
    background: #fff3e0;
    color: #e65100;
}
.btn-reset:hover {
    background: #ffe0b2;
    transform: translateY(-2px);
}

.btn-hint {
    background: #ede7f6;
    color: #4a148c;
}
.btn-hint:hover {
    background: #d1c4e9;
    transform: translateY(-2px);
}

.btn-demo {
    background: #e8eaf6;
    color: #1a237e;
}
.btn-demo:hover {
    background: #c5cae9;
    transform: translateY(-2px);
}

/* 演示控制面板 */
.demo-panel {
    background: #f3e5f5;
    border: 1px solid #ce93d8;
    border-radius: 14px;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.demo-panel.hidden {
    display: none;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    color: #4a148c;
    font-size: 0.95rem;
}

.demo-controls-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-demo-ctrl {
    background: #ffffff;
    border: 1px solid #ba68c8;
    color: #4a148c;
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-demo-ctrl:hover {
    background: #f3e5f5;
}

.demo-explain-card {
    background: #ffffff;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9rem;
    color: #333;
    line-height: 1.5;
    border-left: 4px solid #ab47bc;
}

/* 透视抽屉 */
.layer-inspector-section {
    background: #fdfaf7;
    border: 1px solid #e0d7cf;
    border-radius: 14px;
    padding: 14px 18px;
}

.inspector-placeholder {
    color: #8d6e63;
    font-size: 0.9rem;
    text-align: center;
    font-style: italic;
}

.inspector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid #eee;
}

.stack-layers-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 220px;
    overflow-y: auto;
}

.stack-layer-item {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
}

.stack-layer-item.top-layer {
    background: #fff8e1;
    border-color: #ffe082;
    font-weight: 700;
}

.layer-z {
    font-weight: 700;
    color: #5d4037;
    min-width: 80px;
}

.layer-id {
    color: #1976d2;
    font-weight: 700;
}

.layer-orig {
    color: #616161;
}

.layer-face {
    color: #388e3c;
}

.badge-top {
    margin-left: auto;
    background: #ffb300;
    color: #ffffff;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
}

/* 吉祥物栏 */
.mascot-section {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #faf7f2;
    border: 1px solid #e8dfd8;
    border-radius: 14px;
    padding: 12px 18px;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.mascot-section:hover {
    background: #f5efe8;
}

.mascot-avatar {
    font-size: 2.2rem;
    line-height: 1;
}

.mascot-speech {
    font-size: 0.92rem;
    color: #4e342e;
    line-height: 1.4;
    flex: 1;
}

/* 响应式适配 */
@media (max-width: 680px) {
    .game-container {
        padding: 14px;
    }
    .header-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-tools {
        width: 100%;
        justify-content: flex-start;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}