/* 小黄鱼趋势辅助 - 网页版样式 */

/* ==================== 基础样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #252542;
    --bg-card: #2d2d4a;
    --text-primary: #f8fafc;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-gold: #ffc107;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --border-color: #3d3d5c;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ==================== 容器 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== 头部 ==================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-link {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    text-decoration: none;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: #000;
}

.btn-primary:hover {
    background-color: #e6ac00;
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
}

.btn-outline:hover {
    background-color: var(--accent-gold);
    color: #000;
    text-decoration: none;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==================== 主要内容 ==================== */
.main {
    flex: 1;
    padding: 40px 0;
}

/* ==================== Hero区域 ==================== */
.hero {
    text-align: center;
    padding: 60px 0;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--accent-gold), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ==================== 功能介绍 ==================== */
.features {
    padding: 60px 0;
}

.features h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==================== 价格套餐 ==================== */
.pricing {
    padding: 60px 0;
}

.pricing h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 16px;
}

.pricing-note {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.pricing-card.recommended {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), transparent);
}

.pricing-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-gold);
    color: #000;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-gold);
    margin-bottom: 8px;
}

.pricing-card .duration {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.features-list {
    list-style: none;
    text-align: left;
}

.features-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==================== 认证页面 ==================== */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.auth-card {
    background-color: var(--bg-secondary);
    padding: 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    font-size: 28px;
    margin-bottom: 8px;
    text-align: center;
}

.auth-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.auth-links {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
}

/* ==================== 消息提示 ==================== */
.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
}

.success-message {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
}

/* ==================== VIP页面 ==================== */
.vip-page {
    padding: 20px;
}

.vip-container {
    max-width: 800px;
    margin: 0 auto;
}

.vip-header {
    text-align: center;
    padding: 40px 0;
}

.lock-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.vip-header h1 {
    font-size: 32px;
    margin-bottom: 8px;
}

.vip-header p {
    color: var(--text-secondary);
}

.pricing-section,
.activation-section,
.contact-section {
    margin-bottom: 40px;
}

.pricing-section h2,
.activation-section h2 {
    text-align: center;
    margin-bottom: 24px;
}

.activation-card {
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    max-width: 400px;
    margin: 0 auto;
}

.activation-card h2 {
    margin-bottom: 8px;
}

.activation-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    text-align: center;
}

.activation-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.contact-card h3 {
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.contact-icon {
    font-size: 20px;
}

/* ==================== Dashboard ==================== */
.dashboard-container {
    max-width: 100%;
}

.dashboard-header {
    padding: 15px 20px;
}

.dashboard-main {
    padding: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 20px;
}

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

.vip-badge {
    background-color: var(--accent-gold);
    color: #000;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

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

/* 行情卡片 */
.market-section {
    margin-bottom: 30px;
}

.market-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.market-card {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
}

.market-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.symbol {
    font-size: 18px;
    font-weight: bold;
}

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

.market-price {
    margin-bottom: 16px;
}

.market-price .price {
    font-size: 32px;
    font-weight: bold;
}

.market-price .change {
    font-size: 16px;
    margin-left: 12px;
}

.change.positive {
    color: var(--accent-green);
}

.change.negative {
    color: var(--accent-red);
}

.market-details {
    display: flex;
    gap: 24px;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

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

.detail-item .value {
    font-size: 16px;
}

/* 趋势卡片 */
.trend-section {
    margin-bottom: 30px;
}

.trend-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.trend-card {
    background-color: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
}

.trend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.timeframe {
    font-size: 16px;
    font-weight: bold;
}

.trend-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    background-color: var(--bg-card);
}

.trend-status.bullish {
    background-color: rgba(34, 197, 94, 0.2);
    color: var(--accent-green);
}

.trend-status.bearish {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.trend-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.track-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.track-item .label {
    color: var(--text-secondary);
}

/* 快捷操作 */
.actions-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.action-card {
    background-color: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s;
}

.action-card:hover {
    background-color: var(--bg-card);
    transform: translateY(-2px);
    text-decoration: none;
}

.action-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.action-text {
    color: var(--text-primary);
    font-size: 14px;
}

/* ==================== K线图页面 ==================== */
.kline-container {
    max-width: 100%;
    height: 100vh;
}

.kline-header {
    padding: 10px 20px;
}

.kline-nav {
    gap: 10px;
}

.timeframe-selector {
    display: flex;
    gap: 4px;
    background-color: var(--bg-secondary);
    padding: 4px;
    border-radius: 8px;
}

.tf-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    font-size: 12px;
    transition: all 0.2s;
}

.tf-btn:hover {
    color: var(--text-primary);
}

.tf-btn.active {
    background-color: var(--accent-gold);
    color: #000;
}

.kline-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.price-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.symbol-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.symbol-info .symbol {
    font-size: 16px;
    font-weight: bold;
}

.current-price {
    font-size: 24px;
    font-weight: bold;
}

.price-change {
    font-size: 14px;
}

.price-change.positive {
    color: var(--accent-green);
}

.price-change.negative {
    color: var(--accent-red);
}

.ohlc-info {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.chart-container {
    flex: 1;
    position: relative;
    background-color: var(--bg-primary);
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 26, 46, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.indicator-bar {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.indicator-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.indicator-label {
    color: var(--text-secondary);
}

.indicator-value {
    font-weight: 500;
}

.indicator-value.bullish {
    color: var(--accent-green);
}

.indicator-value.bearish {
    color: var(--accent-red);
}

.kline-footer {
    padding: 10px 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== 页脚 ==================== */
.footer {
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
}

.disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .header {
        flex-direction: column;
        gap: 16px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .ohlc-info {
        display: none;
    }
    
    .price-bar {
        flex-direction: column;
        gap: 8px;
    }
    
    .indicator-bar {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .timeframe-selector {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .auth-card {
        padding: 24px;
    }
    
    .market-cards,
    .trend-cards,
    .actions-section {
        grid-template-columns: 1fr;
    }
}