/* ==========================================================================
   美股期权扫描 —— 在 site.css（SmartStock 主题）之上的一层扩展
   只放期权业务专用组件：信号标签、涨跌、期权链、Delta、筛选条。
   颜色、字体、圆角全部复用 site.css 的 CSS 变量，不要在这里另造一套。
   ========================================================================== */

/* ---------- 通用小工具 ---------- */
.muted { color: var(--text-muted); }
.secondary { color: var(--text-secondary); }
.small { font-size: 13px; }
.xsmall { font-size: 12px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-0 { margin-bottom: 0; }

/* 涨跌配色：沿用中国习惯 —— 涨红跌绿。
   语义类名刻意不叫 red/green，将来要改成美式配色只需换这两行。 */
.up { color: var(--red); }
.down { color: var(--green); }
.flat { color: var(--text-muted); }

/* ---------- 页头 ---------- */
.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.page-head .page-title { margin-bottom: 4px; }
.page-head-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.crumb { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.crumb a { color: var(--text-secondary); text-decoration: none; }
.crumb a:hover { color: var(--cyan); }
.crumb span { margin: 0 6px; opacity: 0.5; }

/* ---------- 筛选 / 操作条 ---------- */
.toolbar {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 20px;
}
.toolbar .field { display: flex; flex-direction: column; gap: 6px; }
.toolbar .field-label { font-size: 12px; color: var(--text-muted); }
.toolbar .spacer { flex: 1; }

.input-sm,
.select-sm {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.input-sm:focus,
.select-sm:focus { border-color: var(--cyan); }
.select-sm { cursor: pointer; }
.input-sm.w-sm { width: 90px; }
.input-sm.w-md { width: 140px; }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.btn-ghost:hover { color: var(--cyan); border-color: var(--cyan); }
.btn-danger { background: rgba(239, 68, 68, 0.15); color: var(--red); border: 1px solid rgba(239, 68, 68, 0.35); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.25); }

/* ---------- 卡片内的小标题 ---------- */
.section-title {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
.section-title svg { width: 18px; height: 18px; color: var(--cyan); }

/* ---------- 摘要指标卡：数量少于 6 个时用它收紧列数 ---------- */
.stats-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.stats-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.stats-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.stats-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
    .stats-grid.cols-4,
    .stats-grid.cols-5 { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 徽章 ---------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.6;
    background: rgba(100, 116, 139, 0.18);
    color: var(--text-secondary);
    white-space: nowrap;
}
.badge-call { background: rgba(239, 68, 68, 0.15); color: var(--red); }
.badge-put { background: rgba(16, 185, 129, 0.15); color: var(--green); }
.badge-admin { background: rgba(168, 85, 247, 0.18); color: var(--purple); }
.badge-subscriber { background: rgba(6, 182, 212, 0.15); color: var(--cyan); }
.badge-yearsubscriber { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.badge-user { background: rgba(100, 116, 139, 0.2); color: var(--text-secondary); }
.badge-warn { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.badge-live { background: rgba(16, 185, 129, 0.12); color: var(--green); }

/* ---------- 信号标签 ---------- */
.signal-chip {
    display: inline-block;
    padding: 2px 9px;
    margin: 2px 4px 2px 0;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.signal-oversold { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.signal-whitepivot { background: rgba(6, 182, 212, 0.15); color: var(--cyan); }
.signal-volumepile { background: rgba(168, 85, 247, 0.15); color: var(--purple); }
.signal-volumetrigger { background: rgba(59, 130, 246, 0.15); color: var(--blue); }
.signal-composite { background: rgba(16, 185, 129, 0.15); color: var(--green); }
.signal-none { background: rgba(100, 116, 139, 0.12); color: var(--text-muted); }

/* ---------- 表格补充 ---------- */
.th-sort { color: var(--text-muted); text-decoration: none; font-weight: 500; }
.th-sort:hover { color: var(--cyan); }
.th-sort.active { color: var(--cyan); font-weight: 600; }

.data-table.compact th,
.data-table.compact td { padding: 7px 10px; font-size: 13px; }
.data-table tbody tr:hover { background: rgba(30, 41, 59, 0.4); }
.data-table th.num,
.data-table td.num { text-align: right; font-family: 'JetBrains Mono', ui-monospace, monospace; font-variant-numeric: tabular-nums; }
.data-table td.sticky-col,
.data-table th.sticky-col {
    position: sticky;
    left: 0;
    background: var(--bg-card);
    z-index: 1;
}
.data-table .row-link { color: var(--text-primary); text-decoration: none; }
.data-table .row-link:hover { color: var(--cyan); }

/* K 线表里"有指标标记 / 四项共振"的行底色 */
.data-table tbody tr.has-signal > td { background: rgba(245, 158, 11, 0.06); }
.data-table tbody tr.composite > td { background: rgba(16, 185, 129, 0.08); }

/* ---------- 角色标签 ----------
   .role-subscriber / .role-yearsubscriber / .role-admin 由 site.css 提供，
   这里只补一个 .role-user（site.css 里没有）。 */
.role-user { background: rgba(100, 116, 139, 0.2); color: var(--text-secondary); }

/* ---------- 订单状态 ---------- */
.status-paid { background: rgba(16, 185, 129, 0.15); color: var(--green); }
.status-pending { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.status-cancelled { background: rgba(100, 116, 139, 0.2); color: var(--text-secondary); }
.status-failed { background: rgba(239, 68, 68, 0.15); color: var(--red); }
.status-refunded { background: rgba(168, 85, 247, 0.15); color: var(--purple); }

/* ---------- 期权链 ---------- */
.chain-table { font-size: 13px; }
.chain-table th { position: sticky; top: 0; background: var(--bg-secondary); z-index: 2; }
.chain-strike { font-weight: 700; color: var(--amber); }
.chain-itm { background: rgba(6, 182, 212, 0.06); }

/* ---------- Delta 锁定态 ---------- */
.greek-locked {
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px dashed var(--border-color);
}
.greek-locked:hover { color: var(--cyan); border-color: var(--cyan); }

/* ---------- 三天历史：三列卡片流 ---------- */
.history-columns-wrap { overflow-x: auto; padding-bottom: 6px; }
.history-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(380px, 1fr));
    gap: 16px;
    min-width: 1180px;
    align-items: start;
}
.history-day {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
}
.history-day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(30, 41, 59, 0.5);
    border-bottom: 1px solid var(--border-color);
}
.history-day-header h3 { font-size: 15px; margin: 0; font-weight: 600; }
.history-list { display: flex; flex-direction: column; gap: 10px; padding: 12px; }
.history-item {
    background: rgba(30, 41, 59, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 11px 12px;
    transition: border-color 0.2s;
}
.history-item:hover { border-color: rgba(6, 182, 212, 0.45); }
.history-item.composite {
    border-color: rgba(16, 185, 129, 0.45);
    box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.2);
}
.history-item-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
    font-size: 13px;
}
.history-contract {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 11px;
    color: var(--text-muted);
    overflow-wrap: anywhere;
    margin: 4px 0 8px;
}
.history-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 10px;
    font-size: 12px;
}
.history-meta span { color: var(--text-muted); }
.history-meta b { color: var(--text-primary); font-weight: 600; font-variant-numeric: tabular-nums; }
.history-meta a { color: var(--cyan); text-decoration: none; }
.history-meta a:hover { text-decoration: underline; }
.history-indicators { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.history-empty { color: var(--text-muted); font-size: 13px; text-align: center; padding: 24px 0; }

@media (max-width: 800px) {
    .history-columns { grid-template-columns: 1fr; min-width: 0; }
}

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 14px;
}
.empty-state .empty-icon { font-size: 32px; display: block; margin-bottom: 10px; opacity: 0.7; }

/* ---------- 详情键值对（比 site.css 的 .kv 更宽松） ---------- */
.kv-wide { grid-template-columns: 140px 1fr; }
.kv dd { color: var(--text-primary); }

/* ---------- 摘要条：一行放若干指标 ---------- */
.summary-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding: 14px 18px;
    background: rgba(30, 41, 59, 0.35);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 13px;
}
.summary-strip .item { display: flex; align-items: center; gap: 8px; }
.summary-strip .item-label { color: var(--text-muted); }
.summary-strip .item-value { font-weight: 600; font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* ---------- 锁定提示卡（未付费用户看到的内容） ---------- */
.locked-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 12px;
}
.locked-hint a { color: var(--cyan); }

/* ---------- 表单错误（Razor 的 ValidationMessageFor 默认输出 .field-validation-error） ---------- */
.form-check input[type="checkbox"] {
    accent-color: var(--cyan);
    width: 16px;
    height: 16px;
    cursor: pointer;
    margin: 0;
}
.form-check label,
.form-check span { cursor: pointer; }
.form-input[type="date"] { color-scheme: dark; }
.input-sm[type="date"],
.input-sm[type="search"] { color-scheme: dark; }

.field-validation-error { color: var(--red); font-size: 12px; display: block; margin-top: 4px; }
.field-validation-valid { display: none; }
.input-validation-error { border-color: rgba(239, 68, 68, 0.6); }
.validation-summary-errors { color: var(--red); font-size: 13px; margin-bottom: 12px; }
.validation-summary-errors ul { list-style: none; }
.validation-summary-valid { display: none; }

/* ---------- 表格里的表单（管理员操作列） ---------- */
.inline-form { display: inline; margin: 0; }
.inline-form button { font-family: inherit; }

/* ---------- 首页 Telegram 支持入口 ---------- */
.support-card { margin-top: 20px; padding: 18px 20px; }
.support-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.support-icon {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(34, 158, 217, 0.14);
    color: #229ed9;
}
.support-icon svg { width: 24px; height: 24px; }
.support-text { flex: 1 1 240px; min-width: 0; }
.support-text b { display: block; font-size: 14px; color: var(--text-primary); margin-bottom: 2px; }
.support-text span { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.btn-telegram {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #229ed9;
    color: #fff;
    white-space: nowrap;
}
.btn-telegram:hover { background: #1c8ac0; filter: none; }
.btn-telegram svg { width: 16px; height: 16px; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .page-head { flex-direction: column; align-items: flex-start; }
    .toolbar { gap: 10px; }
    .toolbar .spacer { display: none; }
    .summary-strip { gap: 14px; }
    .support-card { padding: 16px; }
    .btn-telegram { width: 100%; justify-content: center; }
}