/* Prep Merkezi — ortak stil. Motif: depo + termal etiket. Vurgu rengi mavi (--kraft adı tarihsel). */
:root {
  --bg: #eef0ee; --surface: #ffffff; --ink: #1e2226; --muted: #5f6b72; --line: #d3d8d6;
  --kraft: #2b6cb0; --on-kraft: #ffffff; --kraft-soft: #e3eefa; --ok: #2f6f5e; --ok-soft: #dcefe8;
  --danger: #b3403a; --danger-soft: #f6dedc; --strip: #1e2226; --on-strip: #eef0ee;
  --display: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181b; --surface: #1d2226; --ink: #e4e7e9; --muted: #95a0a7; --line: #30373c;
    --kraft: #7fb3e6; --on-kraft: #15181b; --kraft-soft: #1c2b3b; --ok: #6cc0a5; --ok-soft: #1e3530;
    --danger: #e3776f; --danger-soft: #3d2321; --strip: #0e1012; --on-strip: #e4e7e9; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15181b; --surface: #1d2226; --ink: #e4e7e9; --muted: #95a0a7; --line: #30373c;
  --kraft: #7fb3e6; --on-kraft: #15181b; --kraft-soft: #1c2b3b; --ok: #6cc0a5; --ok-soft: #1e3530;
  --danger: #e3776f; --danger-soft: #3d2321; --strip: #0e1012; --on-strip: #e4e7e9; color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--body); }
[hidden] { display: none !important; }
a { color: var(--kraft); }
code, .mono { font-family: var(--mono); font-size: .93em; }

/* Marka: etiket kutusu + altında barkod şeridi */
.brand { display: inline-grid; gap: 3px; text-decoration: none; color: inherit; }
.brand b { font: 700 19px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.brand b span { color: var(--kraft); }
.brand i { height: 6px; width: 100%;
  background: repeating-linear-gradient(90deg, currentColor 0 2px, transparent 2px 3px, currentColor 3px 4px, transparent 4px 7px, currentColor 7px 10px, transparent 10px 11px); opacity: .55; }

.topbar { background: var(--strip); color: var(--on-strip); }
.topbar .in { max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar .who { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 14px; flex-wrap: wrap; }
.topbar .who .name { opacity: .8; }
.topbar button, .topbar .lang button { background: transparent; color: inherit; border: 1px solid rgba(255,255,255,.25); }
.lang { display: inline-flex; border-radius: 6px; overflow: hidden; }
.lang button { border-radius: 0; padding: 4px 9px; font: 600 12px var(--mono); }
.lang button[aria-pressed="true"] { background: var(--kraft); border-color: var(--kraft); color: var(--on-kraft); }

main.page { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font: 700 30px/1.1 var(--display); letter-spacing: .01em; margin: 0 0 4px; }
h2 { font: 600 20px/1.2 var(--display); margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 24px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.grid { display: grid; gap: 16px; }

label { display: grid; gap: 4px; font-weight: 600; font-size: 13px; color: var(--muted); }
input, select, textarea { font: inherit; font-weight: 400; font-size: 15px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; width: 100%; }
button { font: 600 14px var(--body); background: var(--kraft); color: var(--on-kraft); border: 1px solid var(--kraft); border-radius: 6px; padding: 8px 14px; cursor: pointer; }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button:disabled { opacity: .5; cursor: default; }
:is(input, select, textarea, button, a):focus-visible { outline: 2px solid var(--kraft); outline-offset: 2px; }

.msg { border-radius: 6px; padding: 8px 11px; font-size: 14px; }
.msg.err { background: var(--danger-soft); color: var(--danger); }
.msg.ok { background: var(--ok-soft); color: var(--ok); }
.tag { display: inline-block; font: 600 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; padding: 4px 6px; border-radius: 4px; background: var(--kraft-soft); color: var(--kraft); }
.tag.off { background: var(--danger-soft); color: var(--danger); }

dialog { border: 1px solid var(--line); border-radius: 10px; padding: 0; background: var(--surface); color: var(--ink); width: min(440px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(10, 12, 14, .45); }
dialog form { padding: 20px; display: grid; gap: 12px; }
dialog .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }