/* Havin Bird Light Planner — layout: header + tab bar, calc tab = form column + results column (stacks on phone) */
@font-face{font-family:"Vazirmatn FD";src:url(fonts/Vazirmatn-FD-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Vazirmatn FD";src:url(fonts/Vazirmatn-FD-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Vazirmatn FD";src:url(fonts/Vazirmatn-FD-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Vazirmatn FD";src:url(fonts/Vazirmatn-FD-ExtraBold.woff2) format("woff2");font-weight:800;font-display:swap}

:root{
  --bg:#eef2f1; --card:#ffffff; --ink:#1a2422; --muted:#5f6d69; --line:#dde4e2; --soft:#f4f7f6;
  --teal:#2fa7a2; --teal-ink:#0f6f6b; --sun:#e8b923; --uv:#7b4fe0; --uv-soft:#efe9fd;
  --ok:#24935a; --warn:#b7791f; --bad:#c0392b; --shadow:0 1px 2px rgba(20,40,36,.06),0 6px 24px rgba(20,40,36,.06);
  --r:14px; --font:"Vazirmatn FD",Tahoma,"Segoe UI",sans-serif;
}
:root[data-theme="dark"]{
  --bg:#0f1413; --card:#171e1c; --ink:#e4ebe9; --muted:#97a6a1; --line:#26302d; --soft:#1d2624;
  --teal:#3fc2bc; --teal-ink:#7fe0da; --sun:#f2cd4d; --uv:#a483ff; --uv-soft:#251d3b;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.25); color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:14px/1.75 var(--font);min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--teal-ink)}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
.mono{font-family:ui-monospace,Consolas,monospace;direction:ltr;text-align:left}
[hidden]{display:none!important}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;background:#101615;color:#fff;border-bottom:3px solid var(--teal);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.logo{height:38px;width:auto;display:block}
.brand-title{font-weight:800;font-size:16px;line-height:1.3}
.brand-sub{font-size:12px;opacity:.7}
.top-actions{display:flex;align-items:center;gap:8px}
.user-chip{font-size:12.5px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:3px 12px;white-space:nowrap}
.icon-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff;border-radius:10px;height:36px;min-width:36px;display:grid;place-items:center;cursor:pointer;padding:0 10px;font-size:13px}
.icon-btn:hover{background:rgba(255,255,255,.16)}

/* tabs */
.tabs{display:flex;gap:4px;padding:8px 20px 0;overflow-x:auto;background:var(--bg);position:sticky;top:61px;z-index:15}
.tabs button{border:0;background:none;padding:9px 16px;border-radius:10px 10px 0 0;color:var(--muted);cursor:pointer;white-space:nowrap;font-weight:500;border-bottom:3px solid transparent}
.tabs button.on{color:var(--teal-ink);border-bottom-color:var(--teal);background:var(--card)}
main{padding:16px 20px 60px;max-width:1360px;margin:0 auto}
.tab{display:none}.tab.on{display:block;animation:fade .25s ease}
@keyframes fade{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.tab.on{animation:none}}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow);margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:15px;font-weight:700}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.card-head h3{margin:0}
.f{display:flex;flex-direction:column;gap:4px;min-width:0}
.f>span{font-size:12px;color:var(--muted)}
input,select,textarea{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:8px 10px;width:100%;min-width:0;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 22%,transparent)}
input[type=checkbox]{width:auto;accent-color:var(--teal)}
.g2,.g3{display:grid;gap:10px;margin-bottom:10px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:640px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.hint{font-size:12.5px;color:var(--muted);margin:6px 0 0}
.btn{background:var(--teal);color:#fff;border:0;border-radius:10px;padding:8px 16px;cursor:pointer;font-weight:500;transition:transform .1s,filter .15s}
.btn:hover{filter:brightness(1.07)}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--teal-ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--soft)}
.btn.danger{color:var(--bad)}
.btn.uv{background:var(--uv)}
.btn.sm{padding:4px 10px;font-size:12.5px}
.btn.file{display:inline-flex;align-items:center}
.btns{display:flex;gap:8px;flex-wrap:wrap}
button:focus-visible,.btn:focus-visible{outline:2px solid var(--sun);outline-offset:2px}

.seg{display:flex;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:3px;margin:4px 0 12px;gap:3px;flex-wrap:wrap}
.seg button{flex:1 1 180px;border:0;background:none;border-radius:9px;padding:7px 10px;cursor:pointer;color:var(--muted);font-weight:500}
.seg button.on{background:var(--card);color:var(--teal-ink);box-shadow:var(--shadow)}

.projbar{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}
.projbar .grow{flex:1 1 220px}
.saved{font-size:12px;color:var(--muted)}
.date-line{font-size:13px;color:var(--muted)}

.calc-grid{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:16px;align-items:start}
@media (max-width:980px){.calc-grid{grid-template-columns:minmax(0,1fr)}}

.profile-info{font-size:12.5px;background:var(--soft);border-radius:10px;padding:8px 10px;margin:8px 0 10px;color:var(--muted)}
.badge{display:inline-block;font-size:11px;padding:1px 8px;border-radius:20px;font-weight:500;margin-inline-start:6px;vertical-align:middle}
.b-temp{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.b-field{background:color-mix(in srgb,var(--teal) 16%,transparent);color:var(--teal-ink)}
.b-sci{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.lamp-mini{font-size:12.5px;color:var(--muted);margin:4px 0 10px}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
@media (max-width:1180px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;box-shadow:var(--shadow);position:relative;overflow:hidden;min-width:0}
.kpi::before{content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:4px;background:var(--teal)}
.kpi.uv::before{background:var(--uv)}
.kpi .k{font-size:12px;color:var(--muted)}
.kpi .v{font-size:26px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums}
.kpi .v small{font-size:13px;font-weight:500;color:var(--muted)}
.kpi .s{font-size:12px;color:var(--muted)}

.warns{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.warns li{font-size:13px;padding:7px 10px;border-radius:9px;background:var(--soft);border-inline-start:3px solid var(--teal)}
.warns li.w{border-color:var(--warn)}.warns li.e{border-color:var(--bad)}.warns li.i{border-color:var(--uv)}

.plan-wrap{background:var(--soft);border-radius:12px;padding:10px;overflow-x:auto}
#plan{width:100%;height:auto;min-height:220px;display:block;direction:ltr}
.legend{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:18px;height:6px;border-radius:3px}
.lg-main{background:var(--sun)}.lg-uva{background:var(--uv)}

.tbl-wrap{overflow-x:auto}
table.det{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}
table.det th,table.det td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
table.det th{color:var(--muted);font-weight:500;width:46%}
table.det tr.sec td{background:var(--soft);font-weight:700;color:var(--teal-ink)}
table.det tr.sec.uv td{color:var(--uv)}

.sched{display:flex;flex-direction:column;gap:8px}
.timeline{position:relative;height:34px;background:linear-gradient(90deg,#1b2430 0%,#1b2430 100%);border-radius:8px;overflow:hidden;direction:ltr}
.timeline .day{position:absolute;top:0;bottom:0;background:linear-gradient(180deg,#fff3c4,#ffe28a)}
.timeline .uvs{position:absolute;top:6px;bottom:6px;background:var(--uv);border-radius:4px}
.timeline .tk{position:absolute;bottom:-1px;font-size:10px;color:#9aa6b2;transform:translateX(-50%)}
.sched-list{display:flex;flex-wrap:wrap;gap:6px}
.sched-list span{background:var(--uv-soft);color:var(--uv);border-radius:20px;padding:2px 10px;font-size:12.5px}
details.ctl{margin-top:8px}
details.ctl summary{cursor:pointer;font-size:13px;color:var(--teal-ink)}
pre.mono{background:var(--soft);border-radius:10px;padding:10px;overflow-x:auto;font-size:12px;max-height:220px}
.actions{display:flex;gap:10px;flex-wrap:wrap}

/* lists */
.list{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.item{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--soft)}
.item.uvk{border-inline-start:4px solid var(--uv)}
.item.mainl{border-inline-start:4px solid var(--sun)}
.item-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.item-head b{font-size:14px}
.item .g3,.item .g2{margin-bottom:6px}
.calc-out{font-size:12.5px;color:var(--muted)}
.ro .item input,.ro .item select{pointer-events:none;opacity:.85}

.prose p{max-width:80ch}
.refs{font-size:12.5px;color:var(--muted);direction:ltr;text-align:left;padding-left:22px}
.about{text-align:center}
.about-logo{height:70px;background:#101615;padding:12px 18px;border-radius:14px}

/* users */
.users-tbl{width:100%;border-collapse:collapse;font-size:13px}
.users-tbl th,.users-tbl td{padding:8px;border-bottom:1px solid var(--line);text-align:right}
.users-tbl th{color:var(--muted);font-weight:500}
.pill{font-size:11.5px;padding:1px 9px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
.pill.admin{color:var(--uv);border-color:var(--uv)}
.pill.off{color:var(--bad);border-color:var(--bad)}

/* login */
.login{position:fixed;inset:0;display:grid;place-items:center;background:radial-gradient(1200px 600px at 70% -10%,color-mix(in srgb,var(--teal) 25%,transparent),transparent),var(--bg);z-index:50;padding:16px}
.login-card{width:min(380px,100%);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:var(--shadow)}
.login-card .lg-logo{background:#101615;border-radius:12px;padding:10px 14px;display:flex;justify-content:center;margin-bottom:14px}
.login-card .lg-logo img{height:40px}
.login-card h2{margin:0 0 4px;font-size:18px;text-align:center}
.login-card p{margin:0 0 16px;text-align:center;color:var(--muted);font-size:13px}
.login-card .f{margin-bottom:10px}
.login-card .btn{width:100%;padding:10px}
.err{color:var(--bad);font-size:13px;min-height:20px;text-align:center}

/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;z-index:60;padding:16px}
.modal .box{background:var(--card);border-radius:16px;padding:20px;width:min(420px,100%);box-shadow:var(--shadow)}
.modal h3{margin:0 0 12px}
.modal .f{margin-bottom:10px}

.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%) translateY(20px);background:#101615;color:#fff;padding:9px 18px;border-radius:12px;opacity:0;transition:.25s;pointer-events:none;z-index:70;font-size:13px}
.toast.show{opacity:1;transform:translateX(-50%)}
.toast.e{background:var(--bad)}

/* print report */
.report{display:none}
@media print{
  @page{size:A4;margin:12mm}
  body{background:#fff;color:#000}
  .top,.tabs,main,.toast,.login,.modal{display:none!important}
  .report{display:block;font-size:11.5px;line-height:1.7}
  .report .rh{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #2fa7a2;padding-bottom:8px;margin-bottom:10px}
  .report .rh img{height:44px;background:#101615;padding:6px 10px;border-radius:8px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .report h1{font-size:17px;margin:0}
  .report h2{font-size:13px;margin:12px 0 6px;color:#0f6f6b}
  .report table{width:100%;border-collapse:collapse}
  .report td,.report th{border:1px solid #cfd8d6;padding:4px 7px;text-align:right}
  .report th{background:#eef4f3;width:45%;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .report svg{width:100%;max-height:85mm}
  .report .foot{margin-top:12px;font-size:10px;color:#555;border-top:1px solid #ccc;padding-top:6px}
}
@media (max-width:640px){
  .top{flex-wrap:wrap;padding:8px 16px;position:static}
  .brand-sub{display:none}
  .brand-title{font-size:15px}
  .top-actions{width:100%;justify-content:flex-start;flex-wrap:wrap;gap:6px}
  .user-chip{margin-inline-end:auto}
}