/* ============================================
   八字对话 — 新布局（左侧栏 + 右侧对话 + 弹窗表单）
   ============================================ */

/* ---- 整体布局 ---- */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

/* ===== 左侧栏（会话列表） ===== */
.app-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    z-index: 20;
    transition: transform 0.25s ease;
}
.sidebar-top {
    padding: 12px;
    border-bottom: 1px solid var(--color-border-light);
}
.new-chat-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    font-size: 14px;
    color: var(--color-text);
    transition: all var(--transition);
}
.new-chat-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.plus-icon {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}
.sidebar-sessions {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}
.session-placeholder {
    text-align: center;
    padding: 40px 12px;
}
.sidebar-bottom {
    padding: 12px;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sidebar-user-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
    text-decoration: none !important;
    transition: background var(--transition);
}
.sidebar-user-btn:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ===== 右侧主区域 ===== */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--color-bg);
    position: relative;
}

/* 顶部栏 */
.app-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-surface);
    flex-shrink: 0;
}
.sidebar-toggle-btn {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    cursor: pointer;
    font-size: 16px;
    color: var(--color-text-dim);
    transition: all var(--transition);
    display: none; /* 桌面隐藏，移动端显示 */
}
.sidebar-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.app-title {
    font-weight: 600;
    font-size: 16px;
}
.quota-badge {
    font-size: 12px;
    color: var(--color-text-dim);
    background: var(--color-card);
    padding: 2px 10px;
    border-radius: 10px;
    margin-left: 4px;
}
.spacer { flex: 1; }

/* ===== 消息区域 ===== */
.messages {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.messages-inner {
    width: 100%;
    max-width: 720px;
    padding: 24px 24px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.message {
    display: flex;
    gap: 12px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border-light);
    max-width: 720px;
    width: 100%;
}
.message:last-child { border-bottom: none; }
.message.user { flex-direction: row-reverse; }

.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}
.message.assistant .avatar {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
}
.message.user .avatar {
    background: var(--color-text-dim);
    color: #fff;
}

.bubble {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    max-width: 100%;
    word-break: break-word;
}
.bubble p { margin-bottom: 10px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble strong { font-weight: 600; }

/* ---- 排盘结果卡片（在对话框中） ---- */
.bazi-result-card {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: 16px;
    max-width: 480px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.card-name {
    font-weight: 600;
    font-size: 15px;
}
.card-gender {
    font-size: 12px;
    color: var(--color-text-dim);
    padding: 2px 8px;
    background: var(--color-surface);
    border-radius: 8px;
}
.bazi-result-card .pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 10px;
}
.bazi-result-card .pillar {
    text-align: center;
    padding: 8px 4px;
    background: var(--color-surface);
    border-radius: 8px;
    border: 1px solid var(--color-border-light);
}
.bazi-result-card .pillar .pl {
    font-size: 10px;
    color: var(--color-text-dim);
    display: block;
    margin-bottom: 2px;
}
.bazi-result-card .pillar .gan {
    font-size: 22px;
    font-weight: 700;
    color: #7c3aed;
    display: block;
}
.bazi-result-card .pillar .zhi {
    font-size: 22px;
    font-weight: 700;
    color: #2563eb;
    display: block;
}
.bazi-result-card .pillar .nx {
    font-size: 10px;
    color: var(--color-text-dim);
    display: block;
    margin-top: 2px;
}
.card-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.card-tags .tag {
    font-size: 11px;
    padding: 2px 10px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 10px;
    font-weight: 500;
}
.card-hint {
    font-size: 12px;
    color: var(--color-text-dim);
    text-align: center;
    padding-top: 6px;
    border-top: 1px solid var(--color-border-light);
}

/* ===== 输入区域 ===== */
.input-area {
    display: flex;
    justify-content: center;
    padding: 16px 24px 24px;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg);
    flex-shrink: 0;
}
.input-inner {
    position: relative;
    width: 100%;
    max-width: 720px;
    display: flex;
    gap: 8px;
    align-items: flex-end;
}
.input-area textarea {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    font-size: 15px;
    font-family: var(--font-family-sans);
    resize: none;
    max-height: 200px;
    min-height: 48px;
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition);
    box-shadow: var(--shadow);
}
.input-area textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
.input-area textarea:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.input-area .btn {
    padding: 12px 20px;
    border-radius: 12px;
    height: 48px;
    flex-shrink: 0;
}

/* ===== 打字指示器 ===== */
.typing-indicator {
    display: inline-flex;
    gap: 4px;
    padding: 8px 0;
}
.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-dim);
    animation: typing 1.4s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30% { opacity: 1; transform: scale(1); }
}

/* ===== 八字弹窗 ===== */
.bazi-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.bazi-modal-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.bazi-modal {
    background: var(--color-surface);
    border-radius: 16px;
    width: 480px;
    max-width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    padding: 0;
    transform: translateY(10px);
    transition: transform 0.3s ease;
}
.bazi-modal-overlay.visible .bazi-modal {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px 12px;
    border-bottom: 1px solid var(--color-border-light);
}
.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}
.modal-subtitle {
    font-size: 13px;
    color: var(--color-text-dim);
}

.bazi-modal .bazi-form {
    padding: 16px 24px 24px;
}
.bazi-modal .form-group {
    margin-bottom: 14px;
}
.bazi-modal label {
    display: block;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}
.bazi-modal input,
.bazi-modal select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition);
}
.bazi-modal input:focus,
.bazi-modal select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.bazi-modal .hour-selector {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}
.bazi-modal .hour-btn {
    padding: 8px 2px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    cursor: pointer;
    font-size: 12px;
    text-align: center;
    transition: all var(--transition);
    line-height: 1.3;
    color: var(--color-text);
}
.bazi-modal .hour-btn small {
    font-size: 9px;
    color: var(--color-text-dim);
    display: block;
}
.bazi-modal .hour-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}
.bazi-modal .hour-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}
.bazi-modal .hour-btn.active small { color: rgba(255,255,255,0.7); }

.modal-submit {
    width: 100%;
    margin-top: 8px;
    padding: 12px;
    font-size: 16px;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        z-index: 30;
        box-shadow: var(--shadow-lg);
    }
    .app-sidebar.open {
        transform: translateX(0);
    }
    .sidebar-toggle-btn {
        display: inline-block;
    }
    .messages-inner { padding: 16px 16px 0; }
    .input-area { padding: 12px 16px 16px; }
    .app-header { padding: 10px 16px; }
    .message { padding: 14px 0; }
    .bazi-modal { max-width: 96vw; }
    .bazi-modal .hour-selector { grid-template-columns: repeat(4, 1fr); }
    .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
    .bazi-result-card { max-width: 100%; }
}