/* ============================================================
   手电筒 SOS 闪光灯 · 应急装备箱 / 灯牌 + 信号时序条
   前缀 fls- · 米灰装备底 + 救援橙 + 深墨灯箱，浅色默认；深色整套覆盖
   ============================================================ */
.fls-page, .fls-lamp, .fls-modal, .fls-toast {
    --fls-bg: #f5f2ec;
    --fls-bg2: #ebe4d8;
    --fls-panel: #ffffff;
    --fls-panel2: #f6f2e9;
    --fls-ink: #1f2933;
    --fls-sub: #6c737b;
    --fls-line: #e2dbce;
    --fls-line2: #cbbfab;
    --fls-orange: #e2590c;
    --fls-orange-deep: #a93c04;
    --fls-orange-soft: #fdebdc;
    --fls-teal: #157f7a;
    --fls-red: #c8382c;
    --fls-dark: #111820;
    --fls-shadow: 0 18px 42px rgba(60, 46, 25, .13);
    --fls-shadow-sm: 0 3px 12px rgba(60, 46, 25, .09);
    --fls-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] .fls-page, :root[data-theme="dark"] .fls-lamp, :root[data-theme="dark"] .fls-modal, :root[data-theme="dark"] .fls-toast {
    --fls-bg: #131519;
    --fls-bg2: #1c2026;
    --fls-panel: #1a1e24;
    --fls-panel2: #23282f;
    --fls-ink: #eeeae2;
    --fls-sub: #a8a9a5;
    --fls-line: #30363d;
    --fls-line2: #48515a;
    --fls-orange: #ff9547;
    --fls-orange-deep: #ffb47c;
    --fls-orange-soft: #3a2415;
    --fls-teal: #5ad0c6;
    --fls-red: #ff8679;
    --fls-dark: #080b0f;
    --fls-shadow: 0 18px 42px rgba(0, 0, 0, .55);
    --fls-shadow-sm: 0 3px 12px rgba(0, 0, 0, .35);
}
.fls-page {
    background: radial-gradient(1000px 420px at 90% -8%, var(--fls-bg2), transparent 62%), var(--fls-bg);
    color: var(--fls-ink); padding: 0 0 58px; min-height: 60vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 15px; line-height: 1.78;
}
.fls-wrap { max-width: 1160px; margin: 0 auto; padding: 18px 16px 0; }
.fls-page .detail-breadcrumb { font-size: 13px; color: var(--fls-sub); margin: 10px 0 18px; }
.fls-page .detail-breadcrumb a { color: var(--fls-sub); text-decoration: none; }
.fls-page .detail-breadcrumb a:hover { color: var(--fls-orange); }
.fls-page .detail-breadcrumb .current { color: var(--fls-orange); font-weight: 700; }
.fls-page .detail-breadcrumb .sep { margin: 0 8px; opacity: .55; }

.fls-hero { display: grid; grid-template-columns: 1.06fr .94fr; gap: 22px; align-items: stretch; margin-bottom: 20px; }
.fls-hero > * { min-width: 0; }
.fls-kicker {
    display: inline-block; font: 800 10.5px var(--fls-mono); letter-spacing: 1.6px;
    color: #fff; background: var(--fls-orange); border-radius: 3px; padding: 6px 12px; margin-bottom: 15px;
}
:root[data-theme="dark"] .fls-kicker { color: #221006; }
.fls-page h1 { font-size: 32px; line-height: 1.25; font-weight: 830; margin: 0 0 13px; letter-spacing: -.6px; }
.fls-sub { font-size: 14.5px; line-height: 1.98; color: var(--fls-sub); margin: 0 0 15px; }
.fls-sub b { color: var(--fls-ink); }
.fls-hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 15px; }
.fls-hero-facts > div { background: var(--fls-panel); border: 1px solid var(--fls-line2); border-radius: 6px; padding: 9px 11px; border-bottom: 3px solid var(--fls-orange); }
.fls-hero-facts > div:nth-child(2) { border-bottom-color: var(--fls-teal); }
.fls-hero-facts > div:nth-child(3) { border-bottom-color: var(--fls-red); }
.fls-hero-facts b { display: block; font: 800 17px var(--fls-mono); }
.fls-hero-facts span { font-size: 11px; color: var(--fls-sub); }
.fls-hero-acts { display: flex; flex-wrap: wrap; gap: 8px; }
.fls-btn {
    border: 1px solid var(--fls-line2); background: var(--fls-panel); color: var(--fls-ink);
    border-radius: 6px; padding: 10px 16px; font-size: 13.5px; font-weight: 720; cursor: pointer;
    font-family: inherit; transition: transform .12s, background .12s;
}
.fls-btn:hover { transform: translateY(-1px); border-color: var(--fls-orange); }
.fls-btn--main { background: var(--fls-orange); border-color: var(--fls-orange-deep); color: #fff; box-shadow: 0 6px 18px rgba(226,89,12,.22); }
:root[data-theme="dark"] .fls-btn--main { color: #221006; }
.fls-btn--main:hover { background: var(--fls-orange-deep); }

.fls-lampbox { background: var(--fls-dark); color: #d9e0e8; border: 1px solid #2c3540; border-radius: 10px; padding: 14px; box-shadow: var(--fls-shadow); display: flex; flex-direction: column; }
.fls-lampbox-head { display: flex; justify-content: space-between; font: 700 10.5px var(--fls-mono); letter-spacing: 1.3px; border-bottom: 1px dashed #3a4551; padding-bottom: 8px; }
.fls-lampbox-head b { color: var(--fls-orange); }
.fls-lampbox-head span { color: #8fa0b2; }
.fls-bulb { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 158px; }
.fls-bulb-core {
    width: 92px; height: 92px; border-radius: 50%; background: #2a333e;
    border: 2px solid #465463; box-shadow: inset 0 0 18px rgba(0,0,0,.45); transition: background .06s, box-shadow .06s;
}
.fls-bulb.is-on .fls-bulb-core { background: #fffdf3; box-shadow: 0 0 34px 14px rgba(255,247,214,.7), inset 0 0 8px rgba(255,255,255,.9); }
.fls-bulb.is-on.is-warm .fls-bulb-core { background: #ffcf7a; box-shadow: 0 0 34px 14px rgba(255,190,90,.6); }
.fls-bulb.is-on.is-red .fls-bulb-core { background: #ff5b46; box-shadow: 0 0 34px 14px rgba(255,80,60,.55); }
.fls-bulb > b { font: 700 12px var(--fls-mono); letter-spacing: .6px; color: #a8bacd; }
.fls-morse { text-align: center; font: 800 22px var(--fls-mono); letter-spacing: 5px; color: var(--fls-orange); margin: 4px 0 10px; min-height: 30px; }
.fls-timeline { display: flex; gap: 2px; height: 22px; align-items: stretch; background: #222b35; border-radius: 4px; padding: 3px; overflow: hidden; }
.fls-timeline i { display: block; border-radius: 2px; background: #3d4855; min-width: 2px; }
.fls-timeline i.is-on { background: var(--fls-orange); }
.fls-timeline i.is-now { outline: 2px solid #fff; outline-offset: -1px; }
.fls-timing { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin-top: 9px; font: 600 10.5px var(--fls-mono); color: #8fa0b2; }

.fls-body { display: grid; grid-template-columns: 288px 1fr; gap: 20px; align-items: start; }
.fls-body > * { min-width: 0; }
.fls-panel { background: var(--fls-panel); border: 1px solid var(--fls-line2); border-radius: 10px; padding: 18px; box-shadow: var(--fls-shadow-sm); position: sticky; top: 14px; }
.fls-panel h2, .fls-main h2 { font-size: 18px; margin: 0 0 4px; letter-spacing: -.2px; }
.fls-hint { font-size: 12.5px; color: var(--fls-sub); margin: 0 0 16px; line-height: 1.7; }
.fls-field { margin-bottom: 15px; }
.fls-label { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.fls-label em { font-style: normal; font: 500 11px var(--fls-mono); color: var(--fls-sub); text-align: right; }
.fls-seg { display: flex; gap: 5px; }
.fls-seg button { flex: 1; border: 1px solid var(--fls-line2); background: var(--fls-panel2); color: var(--fls-sub); border-radius: 5px; padding: 8px 4px; font-size: 12.5px; font-weight: 680; cursor: pointer; font-family: inherit; }
.fls-seg button.is-on { background: var(--fls-orange); color: #fff; border-color: var(--fls-orange-deep); }
:root[data-theme="dark"] .fls-seg button.is-on { color: #221006; }
.fls-input { width: 100%; box-sizing: border-box; border: 1px solid var(--fls-line2); background: var(--fls-panel2); color: var(--fls-ink); border-radius: 6px; padding: 9px 11px; font: 700 14px var(--fls-mono); outline: none; letter-spacing: 1px; }
.fls-input:focus { border-color: var(--fls-orange); }
.fls-presets { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.fls-presets button { border: 1px solid var(--fls-line2); background: var(--fls-panel2); color: var(--fls-sub); border-radius: 4px; padding: 3px 8px; font: 600 11px var(--fls-mono); cursor: pointer; }
.fls-presets button:hover { color: var(--fls-orange); border-color: var(--fls-orange); }
.fls-field input[type="range"] { width: 100%; accent-color: var(--fls-orange); }
.fls-switch { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--fls-panel2); border: 1px solid var(--fls-line); border-radius: 6px; padding: 9px 11px; cursor: pointer; }
.fls-switch b { font-size: 12.5px; }
.fls-switch span { display: block; font-size: 11px; color: var(--fls-sub); font-weight: 400; }
.fls-switch input { accent-color: var(--fls-orange); width: 17px; height: 17px; }
.fls-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.fls-actions .fls-btn--main { grid-column: 1 / -1; }
.fls-actions--row { display: flex; flex-wrap: wrap; margin: 12px 0; }
.fls-err { color: var(--fls-red); font-size: 12.5px; margin: 10px 0 0; }
.fls-err[hidden] { display: none; }
.fls-main { display: flex; flex-direction: column; gap: 18px; }
.fls-code, .fls-stats, .fls-log, .fls-batch, .fls-caution { background: var(--fls-panel); border: 1px solid var(--fls-line2); border-radius: 10px; padding: 18px; box-shadow: var(--fls-shadow-sm); }
.fls-section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.fls-section-head span { font: 600 11.5px var(--fls-mono); color: var(--fls-sub); }
.fls-code-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(74px, 1fr)); gap: 6px; margin-top: 14px; }
.fls-code-grid button { border: 1px solid var(--fls-line); background: var(--fls-panel2); border-radius: 5px; padding: 6px 4px; cursor: pointer; font-family: var(--fls-mono); }
.fls-code-grid button:hover { border-color: var(--fls-orange); }
.fls-code-grid b { display: block; font-size: 13px; color: var(--fls-ink); }
.fls-code-grid span { font-size: 10.5px; color: var(--fls-orange); letter-spacing: .5px; }
.fls-kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 14px; }
.fls-kpi { background: var(--fls-panel2); border: 1px solid var(--fls-line); border-left: 4px solid var(--fls-orange); border-radius: 5px; padding: 10px 12px; }
.fls-kpi span { display: block; font-size: 11.5px; color: var(--fls-sub); }
.fls-kpi b { display: block; font: 800 19px var(--fls-mono); }
.fls-scroll { overflow-x: auto; margin-top: 12px; }
.fls-table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 500px; }
.fls-table th { text-align: left; font: 700 10.5px var(--fls-mono); letter-spacing: .5px; color: var(--fls-sub); border-bottom: 1px solid var(--fls-line2); padding: 7px 9px; }
.fls-table td { border-bottom: 1px solid var(--fls-line); padding: 7px 9px; font-family: var(--fls-mono); }
.fls-table td:first-child { font-family: inherit; font-weight: 650; }
.fls-mini { border: 0; background: transparent; color: var(--fls-red); cursor: pointer; font-size: 12px; }
.fls-caution { border-left: 5px solid var(--fls-red); background: var(--fls-orange-soft); }
.fls-caution p { font-size: 13px; line-height: 1.9; margin: 8px 0 0; }

/* 全屏灯板：hidden 必须压过 flex */
.fls-lamp[hidden] { display: none !important; }
.fls-lamp { position: fixed; inset: 0; z-index: 9998; display: flex; align-items: center; justify-content: center; background: #000; }
.fls-lamp.is-white { background: #fffdf3; }
.fls-lamp.is-warm { background: #ffce78; }
.fls-lamp.is-red { background: #ff4f3c; }
.fls-lamp.is-off { background: #05070a; }
.fls-lamp-close { position: absolute; top: 16px; right: 16px; z-index: 3; border: 1px solid rgba(128,128,128,.5); background: rgba(20,20,20,.6); color: #fff; border-radius: 6px; padding: 8px 14px; font-size: 13px; font-weight: 700; cursor: pointer; }
.fls-lamp-center { text-align: center; color: rgba(20,20,20,.55); }
.fls-lamp:not(.is-white):not(.is-warm):not(.is-red) .fls-lamp-center { color: rgba(255,255,255,.5); }
.fls-lamp-center b { display: block; font: 800 34px var(--fls-mono); letter-spacing: 6px; }
.fls-lamp-center span { font-size: 12px; }
.fls-modal[hidden] { display: none !important; }
.fls-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 18px; background: rgba(12, 15, 20, .64); }
.fls-sheet { width: min(520px, 100%); max-height: 86vh; overflow: auto; background: var(--fls-panel); border: 1px solid var(--fls-line2); border-radius: 10px; padding: 20px; box-shadow: var(--fls-shadow); }
.fls-sheet-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--fls-orange); padding-bottom: 10px; margin-bottom: 12px; }
.fls-sheet-head b { font: 800 13px var(--fls-mono); letter-spacing: .6px; }
.fls-modal-x { border: 0; background: transparent; color: var(--fls-sub); font-size: 24px; line-height: 1; cursor: pointer; }
.fls-sheet p { font-size: 13.5px; line-height: 1.9; margin: 6px 0; }
.fls-sheet-acts { margin-top: 16px; text-align: right; }
.fls-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(18px); z-index: 10000; background: var(--fls-ink); color: var(--fls-panel); padding: 9px 18px; border-radius: 6px; font: 600 13px var(--fls-mono); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.fls-toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 980px) {
    .fls-hero, .fls-body { grid-template-columns: 1fr; }
    .fls-panel { position: static; }
    .fls-page h1 { font-size: 27px; }
}
@media (max-width: 560px) {
    .fls-wrap { padding: 12px 10px 0; }
    .fls-hero-facts { gap: 5px; }
    .fls-hero-facts b { font-size: 14px; }
    .fls-table { min-width: 460px; }
}