/* Ortak temel: tasarim belirtecleri, denetimler, sayfa kabugu, bilesenler.
   Sayfaya ozgu kurallar kendi dosyasinda ve govde sinifiyla kapsanir
   (editor.css -> body.editor, home.css -> body.home, results.css ->
   body.results, giris.css -> body.page-giris); bir sayfanin kurali digerine
   sizmaz (PITFALLS 53).

   Gorsel dil (K73, K37'nin yerine): cizim masasi.  Sicak grafit zemin,
   kagit rengi yazi, tek vurgu (cobalt: secim ve ana eylem).  Kucuk ama
   yuvarlatilmis kose (5/10 px), golge yalniz ustte yuzen katmanlarda,
   degrade yok, sus ikonu yok.  Rakamlar sabit genislikli.  Renk anlami
   sabit: kirmizi hata, amber uyari, yesil tamam, sari yakalama; baska
   yerde kullanilmaz. */

:root {
  --bg: #141517;
  --canvas: #0e0f11;
  --panel: #1a1b1e;
  --panel-2: #222327;
  --panel-3: #2b2d31;
  --line: #34363b;
  --line-soft: #26272b;
  --text: #e7e5e0;
  --muted: #a4a29c;
  --dim: #75746f;
  --accent: #5f95ff;
  --accent-strong: #3b73ea;
  --accent-dim: #1b2c4f;
  --accent-text: #f2f6ff;
  --warn: #e0a43a;
  --warn-bg: #2c2210;
  --danger: #ec5f59;
  --danger-bg: #2e1614;
  --ok: #5bb57e;
  --ok-bg: #12291b;
  --r: 5px;
  --r-lg: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45), 0 1px 0 rgba(255, 255, 255, .03) inset;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --row: 28px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

/* `display` veren bir id/class kurali, hidden ozniteligini sessizce ezer.
   Bu yuzden acik bir guvence koyuyoruz (docs/PITFALLS.md -> 11). */
[hidden] { display: none !important; }

html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font: 13px/1.45 var(--font);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 620; letter-spacing: -.01em; }
a { color: var(--accent); }
code, kbd, .mono { font-family: var(--mono); }
::selection { background: var(--accent-dim); color: var(--accent-text); }

/* ---------------------------------------------------------- denetimler */
button, input, select, textarea {
  font: inherit; color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 4px 10px;
  min-height: var(--row);
  transition: background-color .12s var(--ease), border-color .12s var(--ease), color .12s var(--ease);
}
button { cursor: pointer; white-space: nowrap; font-weight: 520; }
button:hover { background: var(--panel-3); border-color: #45474d; }
button:active { transform: translateY(.5px); }
button.primary { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--accent-text); }
button.primary:hover { background: var(--accent); border-color: var(--accent); }
button.ghost { background: transparent; border-color: transparent; color: var(--muted); }
button.ghost:hover { background: var(--panel-2); border-color: var(--line); color: var(--text); }
button.danger:hover { border-color: var(--danger); color: var(--danger); background: transparent; }
button.danger-solid { background: var(--danger); border-color: var(--danger); color: #fff; }
button.danger-solid:hover { background: #f4736d; border-color: #f4736d; }
button.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent-text); }
button:disabled, button:disabled:hover {
  opacity: .45; cursor: default; background: var(--panel-2); border-color: var(--line); transform: none; }
button.primary:disabled { background: var(--accent-dim); border-color: var(--accent-dim); }
input[type="number"], input[type="text"], input[type="search"], input[type="password"] { width: 100%; }
input[type="number"], input.num { font-family: var(--mono); font-size: 12px; }
input::placeholder, textarea::placeholder { color: var(--dim); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none;
  box-shadow: 0 0 0 3px rgba(95, 149, 255, .18); }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent-strong); width: 13px; height: 13px;
                         margin: 0; min-height: 0; box-shadow: none; }
input[type="range"] { padding: 0; accent-color: var(--accent-strong); min-height: 0; box-shadow: none; }
select { appearance: none; padding-right: 24px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 13px) 52%, calc(100% - 9px) 52%;
  background-size: 4px 4px, 4px 4px; background-repeat: no-repeat; }

kbd {
  font-size: 10.5px; line-height: 1; color: var(--muted);
  border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 4px; padding: 1px 4px; background: transparent;
}

.segmented, .seg { display: inline-flex; }
.segmented button, .seg button { border-radius: 0; margin-left: -1px; }
.segmented button:first-child, .seg button:first-child { border-radius: var(--r) 0 0 var(--r); margin-left: 0; }
.segmented button:last-child, .seg button:last-child { border-radius: 0 var(--r) var(--r) 0; }

.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tabs button {
  border: none; border-radius: 0; background: transparent; min-height: 0;
  color: var(--muted); padding: 9px 12px; font-size: 12px;
  box-shadow: inset 0 -2px 0 transparent;
}
.tabs button:hover { background: transparent; color: var(--text); }
.tabs button.active { color: var(--text); background: transparent; box-shadow: inset 0 -2px 0 var(--accent); }

.note { font-size: 11.5px; color: var(--dim); line-height: 1.45;
        border-left: 2px solid var(--line); padding-left: 8px; margin: 8px 0 0; }
.note.warn { border-color: var(--warn); color: var(--warn); }
.note.error { border-color: var(--danger); color: var(--danger); }
.note.ok { border-color: var(--ok); color: var(--ok); }

.msg.ok { color: var(--ok); }
.msg.warn { color: var(--warn); }
.msg.error { color: var(--danger); }
.msg.busy { color: var(--accent); }

/* Kucuk etiket: bolum basliklari ("CIZ", "YAKALAMA" ...). */
.eyebrow { font: 600 10.5px/1 var(--font); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border: 2px solid var(--panel); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #4a4c52; }

/* ------------------------------------------------------------ bilesenler */
/* Durum cipi: hata / uyari / tamam / notr. */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px 2px 8px;
        border-radius: 999px; font-size: 11.5px; font-weight: 600; white-space: nowrap;
        background: var(--panel-3); color: var(--muted); }
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip.ok { background: var(--ok-bg); color: #86d6a4; }
.chip.warn { background: var(--warn-bg); color: #efc06a; }
.chip.error { background: var(--danger-bg); color: #ff9b95; }

/* Adim cubugu: is akisi (Altlik -> Tasiyici -> Kaplama -> Denetim -> Cikti). */
.steps { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 3px; margin: 0; padding: 0; list-style: none; }
.steps li { height: 4px; border-radius: 2px; background: var(--panel-3); }
.steps li.done { background: var(--accent); }
.steps li.bad { background: var(--danger); }

/* Yuzen pencere (onay, bilgi).  <dialog> kullanilir: Esc ve odak tuzagi
   tarayicidan gelir. */
dialog.modal { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 0;
  background: var(--panel); color: var(--text); box-shadow: var(--shadow);
  width: min(440px, calc(100vw - 32px)); }
dialog.modal::backdrop { background: rgba(8, 9, 10, .6); }
dialog.modal .m-body { padding: 18px 20px 6px; }
dialog.modal h2 { margin: 0 0 6px; font-size: 15px; }
dialog.modal p { margin: 0 0 10px; color: var(--muted); }
dialog.modal .m-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 16px; }

/* Bildirim (kaydedildi, silindi ...): sag altta, kendiliginden kaybolur. */
.toast { position: fixed; right: 16px; bottom: 16px; z-index: 50; max-width: min(420px, calc(100vw - 32px));
  background: var(--panel-2); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: var(--r); padding: 9px 12px; box-shadow: var(--shadow); font-size: 12.5px; }
.toast.ok { border-left-color: var(--ok); }
.toast.error { border-left-color: var(--danger); }

/* ------------------------------------------------ sayfa kabugu (ust cubuk) */
.appbar {
  display: flex; align-items: center; gap: 12px; height: 46px; padding: 0 16px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.appbar .brand { display: flex; align-items: center; gap: 9px; color: var(--text);
                 text-decoration: none; font-weight: 650; white-space: nowrap; letter-spacing: -.01em; }
.appbar .logo { width: 18px; height: 18px; }
.appbar .spacer { flex: 1; }
.topnav { display: flex; align-self: stretch; margin-left: 10px; }
.topnav a { display: flex; align-items: center; padding: 0 12px; color: var(--muted);
            text-decoration: none; box-shadow: inset 0 -2px 0 transparent; }
.topnav a:hover { color: var(--text); }
.topnav a.current { color: var(--text); box-shadow: inset 0 -2px 0 var(--accent); }
#buildInfo { color: var(--dim); font: 10.5px var(--mono); white-space: nowrap; }
.updstatus { font-size: 11.5px; color: var(--dim); }
.updstatus.ok { color: var(--ok); }
.updstatus.busy { color: var(--accent); }
.updstatus.error { color: var(--danger); }

/* Oturum: ad bas harfi + ad + cikis (yalniz sunucu kipinde). */
.user { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; }
.user .avatar { width: 24px; height: 24px; border-radius: 50%; background: var(--accent-dim);
  color: var(--accent-text); display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 11px; text-transform: uppercase; }

/* Belge sayfalari (projeler, sonuclar): kaydirilir, ortalanmis govde. */
body.page { overflow: auto; }
.pagewrap { max-width: 1160px; margin: 0 auto; padding: 26px 20px 64px; }
.pagehead { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap;
            padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.pagehead h1 { margin: 0; font-size: 22px; }
.pagehead .sub { margin: 4px 0 0; color: var(--muted); max-width: 70ch; }
.pagehead .actions { margin-left: auto; display: flex; gap: 8px; }
.pagewrap .msg { margin-top: 14px; }

@media (max-width: 640px) {
  .appbar { gap: 6px; padding: 0 10px; }
  .appbar .brand span, #buildInfo, .updstatus, .user .name { display: none; }
  .topnav { margin-left: 0; }
  .topnav a { padding: 0 8px; }
  .pagehead .actions { margin-left: 0; width: 100%; }
  .pagehead .actions > * { flex: 1; }
}

/* Sifre degistir penceresi (oturum.js; her sayfada). */
dialog.modal .pwform label { display: grid; gap: 4px; margin: 0 0 10px; color: var(--muted); font-size: 12px; }
dialog.modal .pwform input { min-height: 34px; background: var(--bg); }
dialog.modal .pwform .msg { min-height: 1em; margin: 0; }