/* ==================== 站点监控 · 样式（玻璃拟态 / 暗色模式 / 响应式） ==================== */

:root {
    --bg: #eaeef6;
    --bg-image:
        radial-gradient(1200px 620px at 8% -12%, #cfe0ff 0%, rgba(207, 224, 255, 0) 60%),
        radial-gradient(900px 520px at 100% -5%, #e6dbff 0%, rgba(230, 219, 255, 0) 55%),
        radial-gradient(820px 620px at 45% 118%, #d4f3e6 0%, rgba(212, 243, 230, 0) 60%);
    --glass: rgba(255, 255, 255, 0.62);
    --glass-soft: rgba(255, 255, 255, 0.42);
    --border: rgba(255, 255, 255, 0.75);
    --line: rgba(20, 30, 50, 0.09);
    --text: #1b2333;
    --muted: #6d7789;
    --accent: #2f6fed;
    --accent-soft: rgba(47, 111, 237, 0.12);
    --ok: #12a150;
    --bad: #e0443f;
    --warn: #d97706;
    --idle: #64748b;
    --shadow: 0 12px 32px rgba(23, 35, 60, 0.10);
    --radius: 18px;
    --bg-size: auto;
    --bg-pos: 0 0;
    --bg-dim: 0;
}

html[data-theme="dark"] {
    --bg: #0e1219;
    --bg-image:
        radial-gradient(1200px 620px at 8% -12%, #1a2a4a 0%, rgba(26, 42, 74, 0) 60%),
        radial-gradient(900px 520px at 100% -5%, #2b2149 0%, rgba(43, 33, 73, 0) 55%),
        radial-gradient(820px 620px at 45% 118%, #10352b 0%, rgba(16, 53, 43, 0) 60%);
    --glass: rgba(28, 36, 52, 0.60);
    --glass-soft: rgba(28, 36, 52, 0.40);
    --border: rgba(255, 255, 255, 0.08);
    --line: rgba(255, 255, 255, 0.09);
    --text: #e7ecf5;
    --muted: #98a3b8;
    --accent: #6b9bff;
    --accent-soft: rgba(107, 155, 255, 0.16);
    --ok: #2fbf71;
    --bad: #ff6b66;
    --warn: #f5b544;
    --idle: #94a3b8;
    --shadow: 0 14px 34px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* 背景柔光放在固定层上：滚动时不重绘，避免深色模式下滚动/刷新闪屏 */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    pointer-events: none;
    background-image: var(--bg-image);
    background-size: var(--bg-size);
    background-position: var(--bg-pos);
    background-repeat: no-repeat;
}

/* 自定义图片背景时的遮罩层（浓度由 --bg-dim 控制，默认 0 不可见） */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    pointer-events: none;
    background: rgba(0, 0, 0, var(--bg-dim));
}

/* 主题切换过渡 */
html.theme-anim, html.theme-anim * {
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease !important;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 15px; }
h4 { font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }

.glass {
    background: var(--glass);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(16px) saturate(1.25);
    backdrop-filter: blur(16px) saturate(1.25);
}

.card { border-radius: var(--radius); padding: 18px; }

/* ==================== 顶栏 ==================== */

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 10px 20px 6px;
    pointer-events: none;   /* 只让顶栏本身可点，避免遮挡下方内容 */
}
.topbar-inner {
    pointer-events: auto;
    /* 与 .page 内容区等宽：page 最大 1120 - 左右各 20 内边距 = 1080 */
    max-width: 1080px;
    margin: 0 auto;
    padding: 8px 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.top-actions { display: flex; align-items: center; gap: 8px; }

/* ==================== 布局 ==================== */

.page {
    max-width: 1120px;
    margin: 0 auto;
    padding: 18px 20px 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.foot { text-align: center; font-size: 12px; }

.center-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

/* ==================== 概览卡 ==================== */

.overview {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}
.stat-card {
    border-radius: var(--radius);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-card b { font-size: 22px; font-weight: 650; letter-spacing: 0.3px; }
.stat-card b.txt { font-size: 16px; font-weight: 600; padding-top: 4px; }
.stat-card .unit { font-size: 12px; font-weight: 400; color: var(--muted); margin-left: 2px; }

/* ==================== 筛选 ==================== */

.toolbar { display: flex; justify-content: center; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.chip {
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text);
    border-radius: 999px;
    padding: 8px 18px;
    font-size: 13px;
    cursor: pointer;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.chip:hover { transform: translateY(-1px); }
.chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ==================== 站点卡片 ==================== */

.site-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

.site-card {
    border-radius: var(--radius);
    padding: 16px 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.site-card:hover { transform: translateY(-2px); }
.site-card.is-down { box-shadow: inset 3px 0 0 var(--bad), var(--shadow); }
.site-card.is-paused { opacity: 0.62; }

.site-head { display: flex; align-items: center; gap: 10px; }
.site-head .pill { flex: none; }
.site-icon {
    width: 34px; height: 34px;
    border-radius: 10px;
    object-fit: cover;
    background: var(--glass-soft);
    border: 1px solid var(--line);
    flex: none;
}
.site-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}
.site-title b { font-size: 15px; font-weight: 600; }
.site-url {
    display: block;
    font-size: 12px;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.site-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}
.site-meta span b { color: var(--text); font-weight: 600; }
.site-meta b.ok { color: var(--ok); }
.site-meta b.bad { color: var(--bad); }
.site-meta b.warn { color: var(--warn); }

/* 迷你柱状图（最近检测记录，绿色正常 / 红色异常） */
.spark {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 34px;
    margin-top: 6px;
}
.spark i {
    flex: 1;
    min-width: 2px;
    min-height: 2px;
    border-radius: 3px 3px 1px 1px;
    background: var(--ok);
    opacity: 0.85;
    transition: opacity 0.15s ease;
}
.spark i:hover { opacity: 1; }
.spark i.down { background: var(--bad); }
.spark.empty {
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--muted);
    background: var(--glass-soft);
    border-radius: 10px;
}

/* ==================== 状态与标签 ==================== */

.pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 550;
    border: 1px solid transparent;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.pill.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 14%, transparent); }
.pill.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 16%, transparent); }
.pill.idle { color: var(--idle); background: color-mix(in srgb, var(--idle) 14%, transparent); }

.badge {
    display: inline-block;
    border-radius: 8px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.6;
}
.badge.high, .badge.lv-high { color: #fff; background: var(--bad); }
.badge.medium, .badge.lv-medium { color: #fff; background: var(--warn); }
.badge.low, .badge.lv-low { color: #fff; background: var(--idle); }

.mv.good { color: var(--ok); }
.mv.warn { color: var(--warn); }
.mv.bad { color: var(--bad); }

/* ==================== 事件日志 ==================== */

.events-card { display: flex; flex-direction: column; gap: 10px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.event-list { display: flex; flex-direction: column; }
.event-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 2px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    flex-wrap: wrap;
}
.event-item:first-child { border-top: 0; }
.event-site { font-weight: 550; }
.event-msg { color: var(--muted); flex: 1; min-width: 160px; }
.event-time { color: var(--muted); font-size: 12px; flex: none; }
.event-tag {
    font-size: 11px;
    border-radius: 6px;
    padding: 1px 7px;
    font-weight: 600;
    flex: none;
}
.tag-down, .tag-fail { color: var(--bad); background: color-mix(in srgb, var(--bad) 13%, transparent); }
.tag-recover { color: var(--ok); background: color-mix(in srgb, var(--ok) 13%, transparent); }
.tag-slow, .tag-ssl, .tag-domain { color: var(--warn); background: color-mix(in srgb, var(--warn) 15%, transparent); }

/* ==================== 弹窗 ==================== */

.modal { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(10, 14, 20, 0.42); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); }
.modal-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 620px;
    max-height: 88vh;
    overflow-y: auto;
    border-radius: 20px;
    animation: pop 0.22s ease;
}
@keyframes pop {
    from { opacity: 0; transform: translateY(10px) scale(0.985); }
    to { opacity: 1; transform: none; }
}
.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px 0;
}
.modal-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.modal-title h3 { font-size: 17px; }
.modal-title a { font-size: 12px; display: block; overflow: hidden; text-overflow: ellipsis; max-width: 380px; white-space: nowrap; }
.modal-body { padding: 16px 20px 20px; }
.section-sub { margin: 16px 0 6px; color: var(--muted); font-weight: 600; }

.dt-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}
.dt-stat {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
}
.dt-stat span { font-size: 12px; color: var(--muted); }
.dt-stat b { font-size: 15px; }

.chart-wrap { border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.chart-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
#dt-chart { width: 100%; height: 170px; display: block; }

/* ==================== 表单 ==================== */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 16px;
}
.form-grid .full { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
label.checkbox { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
label.checkbox input { width: auto; }
input[type="text"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: var(--glass-soft);
    color: var(--text);
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { resize: vertical; }
.input-row { display: flex; gap: 8px; align-items: center; }
.input-row input { flex: 1; }
.form-foot { display: flex; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
.radio-row { display: flex; gap: 16px; flex-wrap: wrap; padding-top: 2px; }
.radio-row label { flex-direction: row; align-items: center; gap: 6px; color: var(--text); cursor: pointer; }
.radio-row input { width: auto; }
input[type="color"] {
    width: 52px;
    height: 34px;
    padding: 2px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--glass-soft);
    cursor: pointer;
}
.color-row { display: flex; align-items: center; gap: 8px; }
.form-stack { display: flex; flex-direction: column; gap: 12px; }
.inline-form { display: inline-block; }
.sep { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }

/* ==================== 按钮 ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text);
    border-radius: 10px;
    padding: 8px 16px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease, opacity 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.small { padding: 5px 11px; font-size: 12px; border-radius: 8px; }
.btn.block { width: 100%; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: color-mix(in srgb, var(--bad) 14%, transparent); border-color: transparent; color: var(--bad); }
.btn.ghost { background: var(--glass-soft); }
.icon-btn {
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text);
    width: 34px; height: 34px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.icon-btn:hover { transform: translateY(-1px); }

/* ==================== 提示条 ==================== */

.flash {
    border-radius: 12px;
    padding: 11px 16px;
    font-size: 13px;
    border: 1px solid transparent;
}
.flash.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); border-color: color-mix(in srgb, var(--ok) 24%, transparent); }
.flash.err { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); border-color: color-mix(in srgb, var(--bad) 24%, transparent); }

/* ==================== 设置页 Tabs ==================== */

.tabs {
    position: sticky;
    top: 78px;
    z-index: 30;
    display: flex;
    gap: 6px;
    padding: 6px;
    border-radius: 14px;
    overflow-x: auto;
}
.tab {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 9px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--accent); color: #fff; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ==================== 表格 ==================== */

.table-wrap { overflow-x: auto; margin-top: 12px; }
.site-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.site-table th {
    text-align: left;
    font-weight: 600;
    color: var(--muted);
    font-size: 12px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}
.site-table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.site-cell { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.site-meta b { display: block; }
.site-meta .small { display: block; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.td-actions { white-space: nowrap; }
.td-actions .btn { margin: 0 2px 2px 0; }

/* ==================== 其他 ==================== */

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.stat { border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; display: flex; flex-direction: column; }
.stat b { font-size: 16px; }

.head-actions { display: flex; align-items: center; gap: 8px; }
.bg-current { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.bg-current img {
    max-width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--line);
}

.copy-row { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.copy-box { display: flex; gap: 8px; }
.copy-box input { flex: 1; font-size: 12px; }

.login-card, .login-tip { width: 100%; max-width: 400px; display: flex; flex-direction: column; gap: 12px; }
.login-tip { text-align: center; align-items: center; }

/* ==================== 响应式 ==================== */

@media (max-width: 860px) {
    .overview { grid-template-columns: repeat(2, 1fr); }
    .stat-row { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .dt-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
    .site-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .page { padding: 14px 14px 40px; }
    .topbar { padding: 8px 14px 4px; }
    .topbar-inner { padding: 7px 12px; border-radius: 14px; }
    .overview { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card b { font-size: 18px; }
    .modal { padding: 0 14px; }
    .modal-box { max-width: 100%; }
    .tabs { top: 66px; }
    #dt-chart { height: 140px; }
    .form-foot { flex-wrap: wrap; }
}