/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CSS 变量 ===== */
:root {
    --bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gold: #e2b96f;
    --gold-light: #f0d9a0;
    --gold-dark: #d4a850;
    --gold-glow: rgba(226, 185, 111, 0.15);
    --text-primary: #e0e0e0;
    --text-secondary: #8899aa;
    --text-tertiary: #667788;
    --text-muted: #556677;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover-border: rgba(226, 185, 111, 0.3);
    --input-bg: rgba(255, 255, 255, 0.08);
    --input-border: rgba(255, 255, 255, 0.15);
    --error-color: #ff6b6b;
    --success-color: #4ecdc4;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ===== 五行颜色 ===== */
:root {
    --wood-color: #4caf50;
    --fire-color: #ff5722;
    --earth-color: #ff9800;
    --metal-color: #bdbdbd;
    --water-color: #2196f3;
}

/* ===== Body ===== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

/* ===== 布局容器 ===== */
.container {
    max-width: 960px;
    margin: 0 auto;
}

/* ===== Header ===== */
.header {
    text-align: center;
    padding: 30px 0 20px;
}

.header h1 {
    font-size: 2.2rem;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 6px;
}

.header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
    letter-spacing: 1px;
}

/* ===== 输入区域 ===== */
.input-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.input-mode-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.input-mode-tabs .tab {
    flex: 1;
    padding: 8px 16px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
    border: none;
    background: transparent;
}

.input-mode-tabs .tab.active {
    background: var(--gold-glow);
    color: var(--gold);
}

.input-panel {
    display: none;
}

.input-panel.active {
    display: block;
}

.input-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.input-group input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 1rem;
    width: 80px;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.input-group input.wide {
    width: 280px;
}

/* ===== 按钮 ===== */
.btn {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #1a1a2e;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 28px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--input-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

.btn-row {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

/* ===== 状态提示 ===== */
.status {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.status.error {
    color: var(--error-color);
}

.status.hidden {
    display: none;
}

/* ===== 加载动画 ===== */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--gold-glow);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 结果区域 ===== */
.result-section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.result-section.show {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 时间信息 ===== */
.time-info {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.time-info .item {
    text-align: center;
}

.time-info .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.time-info .value {
    font-size: 1.05rem;
    color: var(--gold);
}

/* ===== 四柱区域 ===== */
.pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.pillar-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: var(--transition);
}

.pillar-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
}

.pillar-card:hover::before {
    opacity: 1;
}

/* 卡片头部：标题 + 生肖 */
.pillar-card .pillar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}

.pillar-card .pillar-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.pillar-card .pillar-zodiac {
    font-size: 0.7rem;
    color: var(--gold);
    background: var(--gold-glow);
    padding: 1px 8px;
    border-radius: 10px;
    border: 1px solid rgba(226, 185, 111, 0.2);
}

/* 干支名称（大字） */
.pillar-card .pillar-name {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 16px;
    letter-spacing: 6px;
}

/* 天干地支区域 */
.pillar-card .pillar-stem-branch {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 14px;
    width: 100%;
}

.pillar-card .stem-branch-item {
    text-align: center;
    flex: 1;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 10px 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.pillar-card .stem-branch-item .stem-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.pillar-card .stem-branch-item .name {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 600;
}

.pillar-card .stem-branch-item .element {
    font-size: 0.75rem;
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    margin-bottom: 3px;
}

.pillar-card .stem-branch-item .yinyang {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* 纳音 */
.pillar-card .pillar-sound {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 14px;
    padding: 4px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* 五行颜色 */
.element-wood { color: var(--wood-color); background: rgba(76, 175, 80, 0.12); }
.element-fire { color: var(--fire-color); background: rgba(255, 87, 34, 0.12); }
.element-earth { color: var(--earth-color); background: rgba(255, 152, 0, 0.12); }
.element-metal { color: var(--metal-color); background: rgba(189, 189, 189, 0.12); }
.element-water { color: var(--water-color); background: rgba(33, 150, 243, 0.12); }

/* ===== 藏干 ===== */
.pillar-card .hide-stems {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 12px;
    width: 100%;
}

.pillar-card .hide-stems .title {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.pillar-card .hide-stems .list {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pillar-card .hide-stems .item {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.pillar-card .hide-stems .item .stem-name {
    color: var(--text-primary);
    font-weight: 500;
}

.pillar-card .hide-stems .item .type {
    font-size: 0.65rem;
    color: var(--text-muted);
    display: block;
}

/* ===== 辅助信息 ===== */
.aux-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.aux-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    transition: var(--transition);
}

.aux-card:hover {
    border-color: var(--card-hover-border);
}

.aux-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.aux-card .value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== 操作按钮区 ===== */
.action-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* ===== JSON 展开 ===== */
.raw-json {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    padding: 16px;
    overflow-x: auto;
}

.raw-json summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    user-select: none;
}

.raw-json summary:hover {
    color: var(--gold);
}

.raw-json pre {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    white-space: pre-wrap;
    word-break: break-all;
}

/* ===== Toast 提示 ===== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    z-index: 1000;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.toast.error {
    border-color: var(--error-color);
    color: var(--error-color);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .pillars {
        grid-template-columns: repeat(2, 1fr);
    }
    .aux-info {
        grid-template-columns: repeat(2, 1fr);
    }
    .time-info {
        gap: 24px;
    }
    .header h1 {
        font-size: 1.6rem;
        letter-spacing: 4px;
    }
}

@media (max-width: 480px) {
    .input-row {
        gap: 8px;
    }
    .input-group input {
        width: 60px;
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    .input-group input.wide {
        width: 100%;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
}

/* ===== HTMX 相关样式 ===== */

/* 结果内容容器过渡动画 */
#result-content {
    animation: fadeIn 0.3s ease;
}

/* HTMX 加载指示器（默认隐藏） */
.htmx-indicator {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.htmx-request .htmx-indicator,
.htmx-indicator.htmx-request {
    opacity: 1;
}

/* HTMX swap 过渡 */
.htmx-settling {
    opacity: 0;
    transition: opacity 0.2s ease-in;
}

.htmx-swapping {
    opacity: 0;
    transition: opacity 0.1s ease-out;
}

/* HTMX 请求中按钮样式 */
.htmx-request.btn {
    opacity: 0.7;
    pointer-events: none;
}

/* ══════════════════════════════════
   每日日运（A2UI）
   ══════════════════════════════════ */

.fortune-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 12px;
    /* 默认可见：日运配置表单不依赖八字结果；
       未排八字时 requestDailyFortune() 会提示“请先排八字”。 */
}

.fortune-section.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.fortune-header h2 {
    margin: 0 0 0.25rem;
    color: #166534;
    font-size: 1.25rem;
}

.fortune-header p {
    margin: 0 0 1rem;
    color: #15803d;
    font-size: 0.85rem;
}

.fortune-config {
    background: #fff;
    border: 1px solid #dcfce7;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.fortune-config .input-row {
    margin-bottom: 0.75rem;
}

.fortune-config .input-group {
    flex: 1;
}

.fortune-config .input-group label {
    display: block;
    font-size: 0.8rem;
    color: #555;
    margin-bottom: 0.25rem;
}

.fortune-config .input-group input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.fortune-config .input-group select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.9rem;
    box-sizing: border-box;
    background: #fff;
}

.fortune-config .fortune-hint {
    margin: 0.35rem 0 0;
    font-size: 0.75rem;
    color: #666;
    line-height: 1.4;
}

.fortune-config .input-group input:focus {
    outline: none;
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.fortune-config .btn-row {
    margin-top: 0.75rem;
}

.fortune-status {
    margin-top: 0.75rem;
    padding: 0.5rem;
    background: #fef9c3;
    border: 1px solid #facc15;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #854d0e;
    text-align: center;
}

.fortune-status.hidden {
    display: none;
}

/* A2UI 组件样式 */
#fortune-content .a2ui-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

#fortune-content .a2ui-card.a2ui-info {
    border-left: 4px solid #22c55e;
}

#fortune-content .a2ui-card.a2ui-success {
    border-left: 4px solid #16a34a;
}

#fortune-content .a2ui-card.a2ui-warning {
    border-left: 4px solid #f59e0b;
}

#fortune-content .a2ui-column {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#fortune-content .a2ui-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

#fortune-content .a2ui-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #166534;
    margin-bottom: 0.25rem;
}

#fortune-content .a2ui-body {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #374151;
    white-space: pre-wrap;
}

#fortune-content .a2ui-caption {
    font-size: 0.85rem;
    color: #6b7280;
    margin: 0.25rem 0;
}

#fortune-content .a2ui-divider {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 0.5rem 0;
}