/* ========================================
   抖音粉丝·视频播放量·实时查询系统
   前台样式 - 蓝紫渐变现代风格
   ======================================== */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-light: linear-gradient(135deg, #a5b4fc 0%, #c4b5fd 100%);
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #f0f4ff;
    --card-bg: #ffffff;
    --danger: #ef4444;
    --success: #22c55e;
    --shadow: 0 4px 24px rgba(99, 102, 241, 0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    background-image: var(--gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

/* 顶部区域 */
.header {
    text-align: center;
    margin-bottom: 28px;
}

.title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.disclaimer {
    background: rgba(239, 68, 68, 0.95);
    color: #fff;
    font-size: 0.78rem;
    padding: 10px 14px;
    border-radius: var(--radius);
    line-height: 1.5;
    margin-bottom: 10px;
    text-align: left;
}

.limit-tip {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
}

.limit-tip.warning {
    color: #fde68a;
    font-weight: 600;
}

/* Tab 栏 */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.2);
    padding: 6px;
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.tab-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.tab-btn.active {
    background: var(--card-bg);
    color: var(--primary);
    box-shadow: var(--shadow);
}

/* 查询面板 */
.query-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

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

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-group input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 0.95rem;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    outline: none;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.query-btn {
    padding: 14px 24px;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.query-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(99, 102, 241, 0.35);
}

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

/* 结果展示区 */
.result-area {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.4s ease;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.result-time {
    font-size: 0.82rem;
    color: var(--text-light);
}

.copy-btn {
    padding: 6px 14px;
    background: var(--gradient-light);
    color: var(--primary-dark);
    border: none;
    border-radius: 6px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    transform: scale(1.05);
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.result-card {
    text-align: center;
    padding: 16px 12px;
    background: #f8fafc;
    border-radius: 10px;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.result-card.highlight {
    background: var(--gradient);
    color: #fff;
}

.result-card.highlight .card-label {
    color: rgba(255, 255, 255, 0.85);
}

.card-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.card-label {
    font-size: 0.82rem;
    color: var(--text-light);
}

.result-id {
    font-size: 0.82rem;
    color: var(--text-light);
    text-align: center;
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 9999;
    animation: slideDown 0.3s ease;
    max-width: 90%;
    text-align: center;
}

.toast.error {
    background: var(--danger);
    color: #fff;
}

.toast.success {
    background: var(--success);
    color: #fff;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* 底部 */
.footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 20px;
}

.admin-link {
    display: inline-block;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 8px 20px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    transition: var(--transition);
}

.admin-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.78rem;
    margin-top: 10px;
}

/* 响应式 */
@media (max-width: 480px) {
    .title {
        font-size: 1.3rem;
    }

    .input-group {
        flex-direction: column;
    }

    .query-btn {
        width: 100%;
    }

    .card-value {
        font-size: 1.4rem;
    }

    .tabs {
        flex-direction: column;
    }
}