/* ========================================
   工商银行股价监控 — 页面样式
   ======================================== */

:root {
    --color-bg: #f0f2f5;
    --color-card: #ffffff;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-border: #e5e7eb;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-safe: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.1);
}

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

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

.container {
    max-width: 520px;
    margin: 0 auto;
}

/* ---- 标题 ---- */
header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

header .code {
    font-weight: 400;
    color: var(--color-text-secondary);
    font-size: 18px;
}

.status-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge.trading {
    background: #d1fae5;
    color: #065f46;
}

.badge.closed {
    background: #f3f4f6;
    color: #6b7280;
}

/* ---- 价格卡片 ---- */
.price-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 16px;
    border-left: 4px solid var(--color-border);
    transition: border-color 0.3s;
}

.price-card.normal {
    border-left-color: var(--color-safe);
}

.price-card.above {
    border-left-color: var(--color-danger);
}

.price-card.below {
    border-left-color: var(--color-warning);
}

.price-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.price-value {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    font-variant-numeric: tabular-nums;
}

.price-card.normal .price-value { color: var(--color-safe); }
.price-card.above .price-value  { color: var(--color-danger); }
.price-card.below .price-value  { color: var(--color-warning); }

.price-source {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* ---- 表单卡片 ---- */
.form-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px 20px;
    margin-bottom: 16px;
}

.form-card h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    font-size: 16px;
    font-variant-numeric: tabular-nums;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group small {
    display: block;
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: var(--color-primary-hover);
}

.form-hint {
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 10px;
}

/* ---- 通知状态卡片 ---- */
.info-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}

.info-card h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

.info-row:last-child {
    border-bottom: none;
}

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

/* ---- Toast ---- */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    transition: opacity 0.3s;
    max-width: 90%;
    text-align: center;
}

.toast.hidden {
    opacity: 0;
    pointer-events: none;
}

.toast.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.toast.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ---- 响应式 ---- */
@media (max-width: 480px) {
    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .price-value {
        font-size: 40px;
    }

    body {
        padding: 12px;
    }
}