/* ===== 登录页 ===== */
.login-overlay {
    position: fixed; inset: 0; background: #0f1117;
    display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.login-card {
    background: #222536; border: 1px solid #2d3148; border-radius: 20px;
    padding: 40px 32px; width: 360px; max-width: 90vw; text-align: center;
}
.login-logo { margin-bottom: 16px; filter: drop-shadow(0 4px 16px rgba(102,126,234,.3)); }
.login-title {
    font-size: 24px; font-weight: 700; margin-bottom: 6px;
    background: linear-gradient(135deg,#667eea,#764ba2); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.login-subtitle { color: #9ca3af; font-size: 14px; margin-bottom: 24px; }
.login-error { background: rgba(239,68,68,.12); color: #ef4444; padding: 10px 14px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; }
.login-input {
    width: 100%; padding: 14px 16px; background: #1a1d28; border: 1px solid #2d3148;
    border-radius: 12px; color: #e8eaed; font-size: 15px; margin-bottom: 12px; outline: none;
}
.login-input:focus { border-color: #667eea; }
.login-btn {
    width: 100%; padding: 15px; background: linear-gradient(135deg,#667eea,#764ba2);
    color: #fff; border: none; border-radius: 12px; font-size: 16px; font-weight: 600;
    cursor: pointer; margin-top: 6px; transition: all .3s;
}
.login-btn:hover { box-shadow: 0 6px 24px rgba(102,126,234,.4); }
.login-btn:disabled { opacity: .5; }

/* ===== 用户信息栏 ===== */
.user-bar {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 10px 16px; margin-bottom: 16px;
}
.user-bar-name {
    font-size: 14px; color: var(--text-secondary); font-weight: 500;
}
.user-bar-name span { color: var(--accent-light); }
.user-bar-logout {
    font-size: 12px; padding: 5px 12px; background: transparent;
    border: 1px solid var(--border); border-radius: 8px;
    color: var(--text-muted); cursor: pointer; transition: var(--transition);
}
.user-bar-logout:hover { border-color: #ef4444; color: #ef4444; }

/* ===== 基础重置与变量 ===== */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d28;
    --bg-card: #222536;
    --bg-card-hover: #2a2e44;
    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #667eea;
    --accent-light: #818cf8;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --border: #2d3148;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== 页面切换 ===== */
.page {
    display: none;
    min-height: 100vh;
    animation: fadeIn 0.35s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in {
    animation: slideIn 0.4s ease;
}

/* ===== 首页 ===== */
.home-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 20px 30px;
}

.logo-area {
    text-align: center;
    margin-bottom: 36px;
}

.logo-icon {
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 16px rgba(102, 126, 234, 0.3));
}

.app-title {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.app-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

/* 分类卡片 */
.category-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 24px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.category-card:hover,
.category-card:active {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
}

.category-card:hover::before,
.category-card:active::before {
    opacity: 1;
}

.card-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.card-count {
    margin-top: 10px;
    font-size: 12px;
    color: var(--accent-light);
    font-weight: 500;
}

/* 快速操作 */
.quick-actions {
    margin-bottom: 28px;
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary:hover,
.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

/* 统计栏 */
.stats-bar {
    display: flex;
    justify-content: space-around;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== 设置页 ===== */
.setup-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 40px;
    padding-top: 10px;
}

.page-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.btn-back {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-back:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.setup-body {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.setup-option label {
    display: block;
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.num-selector {
    display: flex;
    gap: 10px;
}

.num-btn {
    flex: 1;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.num-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.num-btn.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.num-btn:hover:not(.active):not(.disabled) {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

/* ===== 答题页 ===== */
.quiz-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.quiz-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.quiz-progress {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
}

.quiz-progress #quiz-current {
    color: var(--accent-light);
    font-size: 18px;
}

.quiz-category-badge {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    color: #fff;
    font-weight: 500;
}

/* 进度条 */
.progress-bar {
    height: 4px;
    background: var(--bg-card);
    border-radius: 4px;
    margin-bottom: 24px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* 题目卡片 */
.quiz-body {
    flex: 1;
}

.question-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    margin-bottom: 24px;
}

.question-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--accent-light);
    background: rgba(102, 126, 234, 0.12);
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 14px;
    font-weight: 500;
}

.question-scenario {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.question-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-light);
    line-height: 1.5;
}

/* 选项 */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 30px;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    cursor: pointer;
    transition: var(--transition);
}

.option-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}

.option-item:active {
    transform: scale(0.98);
}

.option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-light);
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.option-text {
    font-size: 15px;
    line-height: 1.4;
    color: var(--text-primary);
}

/* 选中状态 */
.option-item.correct {
    background: var(--success-bg);
    border-color: var(--success);
}

.option-item.correct .option-letter {
    background: var(--success);
    color: #fff;
}

.option-item.wrong {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.option-item.wrong .option-letter {
    background: var(--danger);
    color: #fff;
}

.option-item.show-correct {
    animation: pulse 0.5s ease;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* ===== 解析页 ===== */
.explain-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 30px 20px;
}

.explain-header {
    text-align: center;
    margin-bottom: 28px;
}

.result-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 14px;
}

.correct-circle {
    background: var(--success-bg);
    color: var(--success);
    border: 2px solid var(--success);
}

.wrong-circle {
    background: var(--danger-bg);
    color: var(--danger);
    border: 2px solid var(--danger);
}

.result-text {
    font-size: 20px;
    font-weight: 700;
}

.correct-text { color: var(--success); }
.wrong-text { color: var(--danger); }

.explain-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

.explain-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

.explain-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 10px;
}

.explain-scenario {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.explain-answer {
    font-size: 16px;
    font-weight: 600;
    color: var(--success);
    line-height: 1.5;
}

.explain-detail {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.8;
}

/* 逻辑链 */
.logic-chain {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.chain-step {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    background: rgba(102, 126, 234, 0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
}

.chain-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.chain-text {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
}

.chain-arrow {
    color: var(--accent);
    font-size: 16px;
    opacity: 0.6;
}

.btn-next {
    position: sticky;
    bottom: 20px;
}

/* ===== 结果页 ===== */
.result-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 40px 20px 30px;
}

.result-header-area {
    text-align: center;
    margin-bottom: 30px;
}

.result-score-ring {
    position: relative;
    display: inline-block;
    margin-bottom: 16px;
}

.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    font-weight: 800;
}

.result-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-summary {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 答题回顾 */
.result-details {
    margin-bottom: 28px;
}

.detail-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.detail-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 10px;
    border-left: 3px solid var(--border);
}

.detail-item.detail-correct {
    border-left-color: var(--success);
}

.detail-item.detail-wrong {
    border-left-color: var(--danger);
}

.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.detail-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--bg-primary);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.detail-status {
    font-size: 13px;
    font-weight: 600;
}

.detail-correct .detail-status { color: var(--success); }
.detail-wrong .detail-status { color: var(--danger); }

.detail-scenario {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 8px;
}

.detail-answer {
    font-size: 12px;
    line-height: 1.6;
}

.your-answer {
    color: var(--danger);
    margin-bottom: 2px;
}

.correct-answer {
    color: var(--success);
}

/* 结果操作按钮 */
.result-actions {
    display: flex;
    gap: 12px;
}

.result-actions .btn-secondary,
.result-actions .btn-primary {
    flex: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 360px) {
    .category-grid {
        grid-template-columns: 1fr;
    }

    .home-container {
        padding: 30px 16px 20px;
    }
}

@media (min-width: 600px) {
    .home-container,
    .setup-container,
    .quiz-container,
    .explain-container,
    .result-container {
        max-width: 520px;
    }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== 管理按钮 ===== */
.manage-actions {
    margin-bottom: 16px;
}

.btn-manage {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-manage:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    color: var(--text-primary);
}

/* ===== 题库管理页 ===== */
.import-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
}

.import-stats {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 20px;
}

.import-stat-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.import-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.istat {
    text-align: center;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
}

.istat-val {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-light);
    margin-bottom: 2px;
}

.istat-lab {
    font-size: 11px;
    color: var(--text-muted);
}

.istat-total {
    grid-column: span 3;
    background: rgba(102, 126, 234, 0.08);
}

.istat-total .istat-val {
    font-size: 28px;
    color: var(--accent);
}

.import-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
}

.import-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.import-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}

.import-desc code {
    display: block;
    background: var(--bg-primary);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 11px;
    color: var(--accent-light);
    margin: 6px 0;
    word-break: break-all;
    line-height: 1.5;
}

.import-upload {
    margin-bottom: 12px;
}

.import-log {
    max-height: 200px;
    overflow-y: auto;
}

.log-success {
    padding: 8px 12px;
    background: var(--success-bg);
    color: var(--success);
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 6px;
}

.log-error {
    padding: 8px 12px;
    background: var(--danger-bg);
    color: var(--danger);
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 6px;
}

.log-info {
    padding: 8px 12px;
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-light);
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 6px;
}

.btn-danger {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ===== 模式切换标签 ===== */
.mode-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

.mode-tab {
    flex: 1;
    padding: 14px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.mode-tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.mode-tab:hover:not(.active) {
    background: var(--bg-card-hover);
}

/* ===== K线下载提示 ===== */
.kline-download-hint {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
}

.hint-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.hint-text {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
}

.hint-text code {
    display: block;
    background: var(--bg-primary);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 12px;
    color: var(--accent-light);
    margin-top: 6px;
    line-height: 1.8;
}

/* ===== K线训练页 ===== */
.kline-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 12px 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.kline-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.kline-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kline-market-badge {
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 12px;
    background: rgba(102, 126, 234, 0.15);
    color: var(--accent-light);
}

.kline-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.kline-score {
    font-size: 12px;
    color: var(--accent-light);
    font-weight: 500;
}

.kline-progress {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.kline-chart-area {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 10px;
}

.kline-chart-area canvas {
    display: block;
    width: 100%;
}

.kline-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 5;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.kline-progress-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* 账户面板 */
.kp-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px 8px;
    margin-bottom: 8px;
}

.kp-row { display: flex; gap: 8px; margin-bottom: 8px; }
.kp-row-main { margin-bottom: 10px; }
.kp-item { flex: 1; }
.kp-item-sm { flex: 1; }
.kp-item-bar { flex: 1.2; }

.kp-label {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.kp-val {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.kp-val-big { font-size: 17px; color: var(--accent-light); }
.kp-val-sm { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.kp-profit { color: #22c55e !important; }
.kp-loss { color: #ef4444 !important; }

.kp-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 4px;
}

.kp-bar-fill {
    height: 100%;
    width: 0;
    background: var(--border);
    border-radius: 3px;
    transition: width 0.3s;
}

.kp-bar-active { background: var(--accent); }

.kp-detail {
    font-size: 11px;
    color: var(--text-muted);
    padding-top: 6px;
    border-top: 1px solid var(--border);
    line-height: 1.5;
}

.kp-detail b { color: var(--text-primary); font-weight: 600; }

/* 交易提示 */
.kline-tip {
    text-align: center;
    height: 24px;
    line-height: 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-light);
    transition: opacity 0.3s;
}

/* 交易按钮组 */
.ktrade-group { margin-bottom: 10px; }
.ktrade-row { display: flex; gap: 6px; margin-bottom: 6px; }
.ktrade-row-nav { margin-top: 2px; }

.ktrade-btn {
    flex: 1;
    padding: 11px 4px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.ktrade-btn:disabled { opacity: 0.3; pointer-events: none; }

.ktrade-buy {
    background: rgba(34, 197, 94, 0.12);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.25);
}
.ktrade-buy:hover:not(:disabled) { background: rgba(34, 197, 94, 0.22); }

.ktrade-buy-all {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.4);
    font-weight: 700;
}
.ktrade-buy-all:hover:not(:disabled) { background: rgba(34, 197, 94, 0.3); }

.ktrade-sell {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}
.ktrade-sell:hover:not(:disabled) { background: rgba(239, 68, 68, 0.22); }

.ktrade-sell-all {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.4);
    font-weight: 700;
}
.ktrade-sell-all:hover:not(:disabled) { background: rgba(239, 68, 68, 0.3); }

.ktrade-next {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    flex: 2;
}
.ktrade-next:hover:not(:disabled) { box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3); }

.ktrade-skip {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    flex: 1;
}
.ktrade-skip:hover:not(:disabled) { background: var(--bg-card-hover); }

/* 结果面板增强 */
.kr-grade { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.kr-return { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.kr-detail { font-size: 14px; color: var(--text-secondary); margin-bottom: 4px; }
.kr-trades { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.kr-hint { font-size: 11px; color: var(--text-muted); opacity: 0.7; }

/* K线结果面板 */
.kline-result-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
    margin-top: 8px;
}

.kline-result-text {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 14px;
}

.kline-result-text strong {
    color: var(--accent-light);
}

.kline-result-actions {
    display: flex;
    gap: 10px;
}

.kline-result-actions .btn-secondary,
.kline-result-actions .btn-primary {
    flex: 1;
}

/* K线Grid适配 */
.kline-grid {
    grid-template-columns: repeat(3, 1fr) !important;
}

@media (max-width: 420px) {
    .kline-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ===== 安全区域适配 ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .btn-next,
    .result-actions {
        padding-bottom: env(safe-area-inset-bottom);
    }
}