*{box-sizing:border-box}
[hidden]{display:none!important}
:root{
  --bg:#07111d;
  --bg-2:#0b1626;
  --surface:#101c2b;
  --surface-2:#152338;
  --surface-3:#1c2c43;
  --chip:#1a2940;
  --chip-ink:#e6edf6;
  --ink:#f3f7fb;
  --muted:#9fb0c4;
  --accent:#f6a623;
  --accent-2:#ffb23f;
  --accent-ink:#1b1303;
  --cta:#f6a623;
  --cta-ink:#1b1303;
  --danger:#ff7b7b;
  --ok:#4ade80;
  --card-line:rgba(255,255,255,.1);
  --field-line:rgba(255,255,255,.12);
  --chip-line:rgba(255,255,255,.1);
  --warn-bg:rgba(246,166,35,.12);
  --warn-ink:#ffd48a;
  --warn-line:rgba(246,166,35,.35);
  --shadow:0 18px 40px rgba(0,0,0,.32);
  color-scheme:dark;
}
[data-theme="sol"]{
  --bg:#f4f7fb;
  --bg-2:#edf2f8;
  --surface:#ffffff;
  --surface-2:#f6f8fc;
  --surface-3:#eef3f9;
  --chip:#eff4fb;
  --chip-ink:#1d2a3a;
  --ink:#122033;
  --muted:#5f6f82;
  --accent:#db8400;
  --accent-2:#f1a62c;
  --accent-ink:#1d1200;
  --cta:#e59619;
  --cta-ink:#1d1200;
  --danger:#bb2e2e;
  --ok:#1f8f57;
  --card-line:rgba(18,32,51,.08);
  --field-line:rgba(18,32,51,.12);
  --chip-line:rgba(18,32,51,.12);
  --warn-bg:#fff5e3;
  --warn-ink:#7a4c00;
  --warn-line:rgba(219,132,0,.24);
  --shadow:0 14px 30px rgba(29,42,58,.08);
  color-scheme:light;
}

html{-webkit-text-size-adjust:100%;scroll-padding-top:88px;scroll-padding-bottom:188px}
body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(circle at top center, rgba(37,81,143,.22), transparent 28%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 25%, #07111d 100%);
  color:var(--ink);
  font:16px/1.45 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  overflow-x:hidden;
}
[data-theme="sol"] body,
[data-theme="sol"]{
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
}
button,input,select,textarea{font:inherit;color:inherit}
.shell{width:min(720px,100%);margin:0 auto;padding:0 16px calc(188px + env(safe-area-inset-bottom));position:relative}

.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:flex-start;gap:12px;
  margin:0 -16px 18px;padding:calc(14px + env(safe-area-inset-top)) 16px 14px;
  background:linear-gradient(180deg,rgba(7,17,29,.96),rgba(7,17,29,.78));
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
[data-theme="sol"] .topbar{background:rgba(244,247,251,.92);border-bottom:1px solid rgba(18,32,51,.08)}
.title-wrap{display:flex;flex-direction:column;gap:4px;min-width:0}
.brand-mark{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.screen-title{margin:0;font-size:38px;line-height:1.02;font-weight:900;color:var(--ink);letter-spacing:-.03em}
.screen-subtitle{margin:0;color:var(--muted);font-size:16px;font-weight:500}
.icon-btn{
  width:56px;height:56px;min-height:56px;padding:0;border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.08);
  color:var(--accent);font-size:24px;display:grid;place-items:center;
  box-shadow:var(--shadow);flex:0 0 auto
}
[data-theme="sol"] .icon-btn{background:var(--surface);border-color:var(--card-line)}

.bottom-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(9,17,27,.96);backdrop-filter:blur(16px);
  border-top:1px solid rgba(255,255,255,.08);
  padding:6px 8px calc(8px + env(safe-area-inset-bottom));
}
[data-theme="sol"] .bottom-nav{background:rgba(255,255,255,.95);border-top-color:rgba(18,32,51,.08)}
.tab{min-height:62px;padding:6px 2px;background:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:12px;font-weight:700;border-radius:16px;position:relative}
.tab svg{width:23px;height:23px}
.tab.active{color:var(--accent)}
.tab.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-4px;height:3px;border-radius:3px;background:var(--accent)}

.cta-bar{position:fixed;left:0;right:0;bottom:calc(74px + env(safe-area-inset-bottom));z-index:25;padding:10px 16px 8px;background:linear-gradient(to top,rgba(7,17,29,.97) 70%,transparent)}
[data-theme="sol"] .cta-bar{background:linear-gradient(to top,rgba(244,247,251,.98) 70%,transparent)}
.cta-bar>*{max-width:688px;margin-left:auto;margin-right:auto}
.tab-panel{display:none}.tab-panel.active{display:block}

.card{
  background:linear-gradient(180deg,rgba(16,28,43,.92),rgba(12,22,35,.94));
  border:1px solid var(--card-line);
  border-radius:24px;
  padding:18px;
  margin-bottom:16px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
[data-theme="sol"] .card{background:linear-gradient(180deg,var(--surface),var(--surface-2))}
.os-card{padding-top:20px}
h2{font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.11em;color:var(--accent);margin:0 0 12px}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.section-head h2{margin:0;color:var(--ink);font-size:15px;letter-spacing:0;text-transform:none}
label,.group-label{display:block;font-size:13px;font-weight:800;color:var(--muted);margin:14px 0 8px}
input,select,textarea{
  width:100%;min-height:50px;border:1px solid var(--field-line);
  background:rgba(255,255,255,.03);
  border-radius:16px;padding:12px 14px;font-size:16px;outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.02);
}
[data-theme="sol"] input,[data-theme="sol"] select,[data-theme="sol"] textarea{background:var(--surface-2)}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}
input:focus,select:focus,textarea:focus{border-color:rgba(246,166,35,.55);box-shadow:0 0 0 3px rgba(246,166,35,.16)}
textarea{resize:vertical}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.full{grid-column:1/-1}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}

button{border:0;border-radius:18px;padding:12px 16px;min-height:50px;min-width:44px;font-weight:800;cursor:pointer;transition:transform .15s ease,filter .15s ease,background .15s ease,border-color .15s ease}
button:hover{filter:brightness(1.04)}
button:active{transform:translateY(1px)}
button:focus-visible{outline:3px solid rgba(246,166,35,.65);outline-offset:2px}
.primary,.success{background:linear-gradient(180deg,var(--accent-2),var(--cta));color:var(--cta-ink);box-shadow:0 10px 24px rgba(246,166,35,.24)}
.ghost{background:rgba(255,255,255,.04);color:var(--ink);border:1px solid var(--chip-line)}
.mini{padding:8px 14px;font-size:15px;min-height:46px}
.wide{width:100%}

.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.chip-row,.quick-actions,.material-quick{display:flex;gap:8px;flex-wrap:wrap}
.chip,.service-grid button{
  padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.04);color:var(--chip-ink);
  border:1px solid var(--chip-line);font-size:15px;font-weight:800;text-align:left;
}
.chip.active,.service-grid button.active{background:rgba(246,166,35,.14);color:var(--accent);border-color:rgba(246,166,35,.7);box-shadow:inset 0 0 0 1px rgba(246,166,35,.15)}
.service-grid .more-toggle{grid-column:1/-1;text-align:center;background:transparent;color:var(--accent);border-style:dashed}
.seg-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:rgba(255,255,255,.04);border:1px solid var(--chip-line);border-radius:18px;padding:6px}
.seg{padding:10px 6px;border-radius:14px;background:none;color:var(--ink);font-size:14px;line-height:1.2}
.seg.active{background:linear-gradient(180deg,rgba(246,166,35,.18),rgba(246,166,35,.14));color:var(--accent);border:1px solid rgba(246,166,35,.6)}

.hint{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.45}
.preset-block{margin-bottom:14px}.preset-block>span{display:block;color:var(--muted);font-size:13px;font-weight:800;margin-bottom:8px}
.spaced{margin-top:14px}
.rule-box{margin-top:14px;background:rgba(255,255,255,.03);border:1px solid var(--field-line);color:var(--muted);padding:12px 14px;border-radius:16px;font-size:13px;line-height:1.5}
.validation{background:rgba(255,123,123,.08);border:1px solid rgba(255,123,123,.4);color:#ffc1c1;padding:12px 14px;border-radius:16px;margin-bottom:8px;font-size:14px}
#copyStatus,#backupStatus{font-size:13px;font-weight:800;color:var(--ok)}

.history-list{display:grid;gap:12px;margin-top:12px}
.history-item{background:rgba(255,255,255,.03);border:1px solid var(--field-line);border-radius:18px;padding:14px}
.history-item strong{color:var(--ink)}
.history-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin:6px 0 8px;gap:10px;flex-wrap:wrap}
.history-actions{display:flex;gap:8px;margin-top:10px}.history-actions button{flex:1;font-size:13px}
.empty{color:var(--muted);padding:14px 0;font-size:14px}
.checkline{display:flex;align-items:flex-start;gap:10px;color:var(--ink);margin-top:14px;font-weight:600}
.checkline input{width:22px;min-height:22px;height:22px;margin-top:2px;accent-color:var(--accent);border-radius:8px}
.backup-banner{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--warn-bg);border:1px solid var(--warn-line);color:var(--warn-ink);padding:8px 8px 8px 14px;border-radius:18px;margin-bottom:14px;font-size:14px;font-weight:700}

@media(max-width:520px){
  .screen-title{font-size:30px}
  .screen-subtitle{font-size:15px}
}
@media(max-width:420px){
  .grid{grid-template-columns:1fr}.full{grid-column:auto}.button-row{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr}
  .seg-row{grid-template-columns:1fr}
  .topbar{padding-bottom:12px}
  .icon-btn{width:52px;height:52px;min-height:52px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.sheet-backdrop{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.62)}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:50;max-width:720px;margin:0 auto;height:82vh;height:82dvh;display:flex;flex-direction:column;gap:8px;
  background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--card-line);border-bottom:0;border-radius:24px 24px 0 0;padding:4px 16px calc(12px + env(safe-area-inset-bottom));box-shadow:var(--shadow);animation:sheet-up .2s ease-out
}
.sheet textarea{flex:1;min-height:0;resize:none;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace}
.sheet-grab{align-self:center;width:88px;min-height:44px;padding:0;background:none;display:grid;place-items:center}
.sheet-grab::before{content:"";width:48px;height:5px;border-radius:5px;background:var(--muted)}
.sheet .sheet-actions{grid-template-columns:1fr 1fr;margin-top:0}
body.sheet-open{overflow:hidden}
@keyframes sheet-up{from{transform:translateY(100%)}to{transform:none}}

.os-summary{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:none;padding:4px 0;text-align:left;color:var(--ink)}
.os-summary-main{font-size:17px;font-weight:900}
.os-summary-sub{font-size:13px;font-weight:600;color:var(--muted)}
.service-grid:not(.expanded) .more:not(.active){display:none}
.material-quick+textarea,.quick-actions+.grid{margin-top:12px}
.head-actions{display:flex;gap:8px;flex-wrap:wrap}
.validation{max-height:104px;overflow:auto}
body.has-validation .shell{padding-bottom:calc(316px + env(safe-area-inset-bottom))}