/* ════════════════════════════════════════════════════════════════════
   JunQuant · 共享 navbar 样式 v1.0
   ────────────────────────────────────────────────────────────────────
   从 index.html 第 134–170 + 510–529 行抽出, 供所有页面共享.
   避免每个页面各自复制粘贴 navbar CSS 导致维护噩梦.

   依赖: /static/tokens.css 必须先加载 (颜色变量 + 字体变量来源)

   用法:
     <link rel="stylesheet" href="/static/tokens.css">
     <link rel="stylesheet" href="/static/navbar.css">
     <script src="/static/navbar.js" defer></script>
   ════════════════════════════════════════════════════════════════════ */

/* ── container · 整站通用宽度容器 ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ── NAV 主体 ── */
.navbar {
    background: rgba(8, 14, 22, 0.94);
    border-bottom: 1px solid var(--bdr);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.navbar__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar__logo {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--brand);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.01em;
    text-decoration: none;
}
.navbar__logo:hover { color: var(--brand-hi); }
.navbar__logo span {
    color: var(--t2);
    font-size: 11px;
    font-family: var(--mono);
    letter-spacing: 0.05em;
}
.navbar__menu {
    display: flex;
    gap: 4px;
    align-items: center;
}
.navbar__link {
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--t1);
    transition: color 0.2s;
    letter-spacing: 0.02em;
    padding: 6px 10px;
    border-radius: 6px;
    text-decoration: none;
}
.navbar__link:hover,
.navbar__link--active {
    color: var(--t0);
    background: rgba(255, 255, 255, 0.05);
}
.navbar__status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
}
.navbar__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ok);
    animation: jq-nav-pulse 2s infinite;
    flex-shrink: 0;
}
.navbar__status-text {
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--ok);
    letter-spacing: 0.02em;
}
/* pulse 阴影硬编码 rgba 等价于 --ok 亮绿 (CSS 变量在 box-shadow 多色合成中受限) */
@keyframes jq-nav-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 217, 126, 0.4); }
    50%      { opacity: 0.6; box-shadow: 0 0 0 5px rgba(0, 217, 126, 0); }
}
.navbar__mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--t0);
    font-size: 22px;
    cursor: pointer;
}

/* ── 下拉菜单 ── */
.nav-item { position: relative; }
.nav-item > .navbar__link {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    user-select: none;
}
.nav-item > .navbar__link::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    opacity: 0.5;
    transition: transform 0.2s;
}
.nav-item.open > .navbar__link::after {
    transform: rotate(180deg);
    opacity: 0.8;
}
.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: 8px;
    background: transparent;
    z-index: 200;
}
.nav-dropdown__inner {
    background: var(--bg1);
    border: 1px solid var(--bdr2);
    border-radius: 8px;
    padding: 6px;
    min-width: 180px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}
.nav-item.open .nav-dropdown { display: block; }
.nav-dropdown a {
    display: block;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--t1);
    padding: 8px 12px;
    border-radius: 5px;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    letter-spacing: 0.02em;
    text-decoration: none;
}
.nav-dropdown a:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--t0);
}
.nav-dropdown__sep {
    height: 1px;
    background: var(--bdr);
    margin: 4px 0;
}

/* ── 红绿模式切换按钮 ── */
.mkt-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--bg1);
    border: 1px solid var(--bdr2);
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--t1);
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.04em;
    user-select: none;
    margin-right: 6px;
}
.mkt-switch:hover {
    border-color: var(--brand);
    color: var(--t0);
}
.mkt-switch-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--up);
    flex-shrink: 0;
    transition: background 0.2s;
}
.mkt-switch-arrow {
    color: var(--t2);
    font-size: 10px;
    transition: color 0.15s;
}
.mkt-switch:hover .mkt-switch-arrow { color: var(--brand); }

/* ── 响应式 (mobile <= 600px) ── */
@media (max-width: 600px) {
    .navbar__menu {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 8px 0;
    }
    .navbar__menu.open { display: flex; }
    .navbar__mobile-toggle { display: block; }
    .nav-item { width: 100%; }
    .nav-item > .navbar__link { width: 100%; pointer-events: auto; }
    .nav-dropdown {
        display: none !important;
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0 0 0 16px;
    }
    .nav-item.open .nav-dropdown { display: block !important; }
    .nav-dropdown__inner {
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }
}