/* LogWatchdog H5 状态页 —— 无任何外部依赖，可离线/内网使用 */
:root {
    color-scheme: light dark;
    --bg: #f1f5f6;
    --card: #ffffff;
    --card-2: #f7fafb;
    --text: #17252d;
    --muted: #6c7f8a;
    --line: #e2e9ed;
    --brand: #0f766e;
    --brand-soft: #e0f2ef;
    --ok: #16a34a;
    --warn: #ea9a0b;
    --bad: #dc2626;
    --blue: #2563eb;
    --purple: #7c3aed;
    --amber: #c2760a;
    --gray: #64748b;
    --shadow: 0 1px 2px rgba(16, 42, 54, .06), 0 6px 18px rgba(16, 42, 54, .05);
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1519;
        --card: #172228;
        --card-2: #1d2a31;
        --text: #e7f0f3;
        --muted: #93a7b1;
        --line: #2a3a43;
        --brand: #2dd4bf;
        --brand-soft: #123a38;
        --ok: #4ade80;
        --warn: #fbbf24;
        --bad: #f87171;
        --blue: #60a5fa;
        --purple: #c084fc;
        --amber: #fbbf24;
        --gray: #94a3b8;
        --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 18px rgba(0, 0, 0, .2);
    }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--text);
    font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    padding-bottom: env(safe-area-inset-bottom);
}
.hidden { display: none !important; }

/* ---------------- 顶栏 ---------------- */
.topbar {
    position: sticky; top: 0; z-index: 20;
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: calc(env(safe-area-inset-top) + 11px) 14px 11px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 6px rgba(16, 42, 54, .04);
}
.brand { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.health-dot {
    width: 10px; height: 10px; border-radius: 50%; background: var(--gray);
    box-shadow: 0 0 0 4px rgba(108, 127, 138, .16);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--gray) 16%, transparent);
    flex: 0 0 auto;
}
.health-dot.ok   { background: var(--ok);   box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 16%, transparent); }
.health-dot.warn { background: var(--warn); box-shadow: 0 0 0 4px color-mix(in srgb, var(--warn) 16%, transparent); }
.health-dot.bad  { background: var(--bad);  box-shadow: 0 0 0 4px color-mix(in srgb, var(--bad) 16%, transparent); }
.top-actions { display: flex; align-items: center; gap: 7px; }
.top-actions button, .top-actions select, .logout {
    font: inherit; font-size: 13px; color: var(--text);
    background: var(--card-2); border: 1px solid var(--line);
    border-radius: 9px; padding: 6px 10px; text-decoration: none;
    line-height: 1.3; cursor: pointer;
}
.top-actions button:active { background: var(--brand-soft); }
.top-actions select { padding-right: 4px; }
.logout { color: var(--muted); }

/* ---------------- 主体 ---------------- */
main { max-width: 760px; margin: 0 auto; padding: 14px 12px 8px; }
.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    box-shadow: var(--shadow); margin-bottom: 13px; overflow: hidden;
}
.card h2 {
    display: flex; align-items: center; gap: 9px;
    margin: 0; padding: 13px 15px 11px;
    font-size: 15px; font-weight: 700; letter-spacing: .2px;
    border-bottom: 1px solid var(--line);
}
.card h2 small { margin-left: auto; font-size: 11px; font-weight: 500; color: var(--muted); }
.card-ico {
    display: inline-flex; align-items: center; justify-content: center;
    width: 25px; height: 25px; border-radius: 7px;
    font-size: 10px; font-weight: 800; letter-spacing: -.3px; color: #fff; flex: 0 0 auto;
}
.ico-blue { background: var(--blue); }
.ico-teal { background: var(--brand); }
.ico-purple { background: var(--purple); }
.ico-amber { background: var(--amber); }
.ico-gray { background: var(--gray); }
.card-body { padding: 12px 15px 15px; }

/* ---------------- 健康条 / 错误条 ---------------- */
.health-bar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 11px 14px; margin-bottom: 13px; font-size: 13px; box-shadow: var(--shadow);
}
.health-bar .h-main { font-size: 15px; font-weight: 700; }
.health-bar .h-sub { color: var(--muted); font-size: 12px; }
.pill {
    display: inline-block; padding: 2px 9px; border-radius: 999px;
    font-size: 12px; font-weight: 700; line-height: 1.6;
    background: var(--card-2); color: var(--muted); border: 1px solid var(--line);
}
.pill.ok   { color: var(--ok);   background: color-mix(in srgb, var(--ok) 12%, var(--card));   border-color: color-mix(in srgb, var(--ok) 30%, var(--line)); }
.pill.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, var(--card)); border-color: color-mix(in srgb, var(--warn) 30%, var(--line)); }
.pill.bad  { color: var(--bad);  background: color-mix(in srgb, var(--bad) 12%, var(--card));  border-color: color-mix(in srgb, var(--bad) 30%, var(--line)); }
.pill.info { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, var(--card)); border-color: color-mix(in srgb, var(--blue) 30%, var(--line)); }
.error-bar {
    background: var(--card);
    background: color-mix(in srgb, var(--bad) 10%, var(--card));
    border: 1px solid color-mix(in srgb, var(--bad) 35%, var(--line));
    color: var(--bad); border-radius: 12px; padding: 10px 14px; margin-bottom: 13px; font-size: 13px;
}

/* ---------------- 键值网格 ---------------- */
.kv {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    background: var(--card); border: 1px solid var(--line);
    border-radius: 10px; overflow: hidden;
}
.kv-item {
    background: var(--card); padding: 9px 11px; min-width: 0;
    border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.kv-item:nth-child(even) { border-right: 0; }
.kv-item.wide { grid-column: 1 / -1; border-right: 0; }
.kv-item:last-child,
.kv-item:nth-last-child(2):nth-child(odd) { border-bottom: 0; }
.kv-item .k { display: block; color: var(--muted); font-size: 11px; letter-spacing: .2px; margin-bottom: 2px; }
.kv-item .v { display: block; font-size: 15px; font-weight: 650; word-break: break-all; line-height: 1.4; }
.kv-item .v small { font-size: 11px; font-weight: 500; color: var(--muted); }
.kv-item.wide { grid-column: 1 / -1; }
.v.ok { color: var(--ok); } .v.warn { color: var(--warn); } .v.bad { color: var(--bad); } .v.info { color: var(--blue); }
.section-label { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .6px; margin: 14px 0 7px; }
.section-label:first-child { margin-top: 0; }

/* ---------------- 进度条 ---------------- */
.bar { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; margin: 7px 0 4px; }
.bar > i { display: block; height: 100%; border-radius: 99px; background: var(--brand); transition: width .4s ease; }
.bar > i.warn { background: var(--warn); } .bar > i.bad { background: var(--bad); }
.bar-note { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.gauge { margin: 4px 0 12px; }
.gauge-title { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; }
.gauge-title b { font-size: 17px; }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.daily { width: 100%; border-collapse: collapse; font-size: 12px; }
table.daily th, table.daily td { padding: 6px 5px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.daily th { color: var(--muted); font-weight: 600; font-size: 11px; }
table.daily th:first-child, table.daily td:first-child { text-align: left; }
table.daily tr:last-child td { border-bottom: 0; }
.empty-tip { color: var(--muted); font-size: 13px; padding: 8px 0; }

/* ---------------- 趋势图 ---------------- */
.trend-svg { width: 100%; height: 140px; display: block; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11px; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }

/* ---------------- 日志 ---------------- */
.collapsible h2 { cursor: pointer; user-select: none; }
pre.logs {
    margin: 0; padding: 10px; border-radius: 9px; background: var(--card-2);
    border: 1px solid var(--line); color: var(--text);
    font: 11px/1.65 Consolas, "Courier New", "Microsoft YaHei", monospace;
    white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere;
    overflow-x: hidden; max-height: 320px; overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.log-group { margin-bottom: 12px; }
.log-group:last-child { margin-bottom: 0; }
.log-group .section-label { margin-bottom: 5px; }

footer {
    max-width: 760px; margin: 0 auto; padding: 4px 16px calc(18px + env(safe-area-inset-bottom));
    display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
    color: var(--muted); font-size: 11px;
}

/* ---------------- 登录页 ---------------- */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
    width: 100%; max-width: 360px; background: var(--card);
    border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow);
    padding: 30px 24px 22px; text-align: center;
}
.login-logo {
    width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 15px;
    background: var(--brand); color: #fff; font-weight: 800; font-size: 19px;
    display: flex; align-items: center; justify-content: center; letter-spacing: -1px;
}
.login-card h1 { margin: 0; font-size: 20px; }
.login-sub { margin: 4px 0 22px; color: var(--muted); font-size: 12px; }
.login-card label { display: block; text-align: left; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.login-card input {
    width: 100%; font: inherit; font-size: 16px; padding: 11px 12px;
    border: 1px solid var(--line); border-radius: 10px;
    background: var(--card-2); color: var(--text); outline: none;
}
.login-card input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.login-card button {
    width: 100%; margin-top: 14px; padding: 11px; font: inherit; font-weight: 700;
    letter-spacing: 4px; color: #fff; background: var(--brand);
    border: 0; border-radius: 10px; cursor: pointer;
}
.login-card button:active { opacity: .88; }
.login-msg { min-height: 18px; margin: 10px 0 0; font-size: 12px; color: var(--bad); }
.login-foot { margin: 14px 0 0; font-size: 11px; color: var(--muted); }

@media (max-width: 360px) {
    .kv { grid-template-columns: 1fr; }
    .top-actions select { display: none; }
}