/* Ortak tema: kâğıt zemin, kalın çizgi, şeker renkleri. Açık ve koyu kip. */
:root {
  --zemin: #f7f3ea; --yuzey: #ffffff; --yuzey2: #efe9dc; --cizgi-ince: #ddd5c4;
  --yazi: #1d1b18; --soluk: #6e695f; --vurgu: #1d1b18; --vurgu-yazi: #f7f3ea;
  --cilek: #e2457c; --nane: #26a874; --kurdele: #f0a51e; --balonr: #4a7bd6;
  --iyi: #1f8a5f; --dikkat: #b86a00; --acil: #c0392b;
  --golge: 0 2px 0 rgba(29,27,24,.9);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-tema="acik"]) {
    --zemin: #171614; --yuzey: #22201d; --yuzey2: #2c2925; --cizgi-ince: #3b3833;
    --yazi: #eeeae2; --soluk: #a7a094; --vurgu: #f0a51e; --vurgu-yazi: #171614;
    --iyi: #4cc38a; --dikkat: #f0a51e; --acil: #ff7a6b; --golge: 0 2px 0 rgba(0,0,0,.6); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--zemin); color: var(--yazi); font: 16px/1.5 var(--font); -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--kurdele); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; } h3 { font-size: 1.05rem; }

.dugme { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; border-radius: 12px;
  border: 2px solid var(--yazi); background: var(--yuzey); padding: .5rem 1rem; font-weight: 700;
  box-shadow: var(--golge); text-decoration: none; touch-action: manipulation; }
.dugme:active { transform: translateY(2px); box-shadow: none; }
.dugme.ana { background: var(--vurgu); color: var(--vurgu-yazi); border-color: var(--vurgu); }
.dugme:disabled { opacity: .45; cursor: default; }
.dugme.kucuk { padding: .3rem .7rem; font-size: .9rem; }

.ust-cubuk { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1rem; background: var(--zemin); border-bottom: 1px solid var(--cizgi-ince); }
.ust-cubuk .marka { font-weight: 800; font-size: 1.1rem; text-decoration: none; }
.ust-cubuk nav { display: flex; gap: .25rem; margin-left: auto; flex-wrap: wrap; }
.ust-cubuk nav a { text-decoration: none; padding: .35rem .7rem; border-radius: 999px; font-weight: 600; color: var(--soluk); }
.ust-cubuk nav a.secili { background: var(--yazi); color: var(--zemin); }
.rozet { display: inline-block; min-width: 1.4em; padding: 0 .4em; border-radius: 999px; background: var(--acil);
  color: #fff; font-size: .75rem; font-weight: 700; text-align: center; }

main { max-width: 1040px; margin: 0 auto; padding: 1rem; }
.kart { background: var(--yuzey); border: 2px solid var(--yazi); border-radius: 14px; padding: 1rem; box-shadow: var(--golge); }
.kart.ince { border-width: 1px; border-color: var(--cizgi-ince); box-shadow: none; }
.izgara { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.satir { display: flex; align-items: center; gap: .75rem; }
.soluk { color: var(--soluk); }
.kucuk-yazi { font-size: .85rem; }
.bosluk { height: 1rem; }
.cubuk { height: 10px; border-radius: 999px; background: var(--yuzey2); overflow: hidden; border: 1px solid var(--cizgi-ince); }
.cubuk > span { display: block; height: 100%; background: var(--nane); border-radius: 999px; }
.etiket { display: inline-block; font-size: .75rem; font-weight: 700; padding: .1rem .5rem; border-radius: 999px;
  background: var(--yuzey2); color: var(--soluk); }
.etiket.iyi { background: color-mix(in srgb, var(--iyi) 18%, transparent); color: var(--iyi); }
.etiket.dikkat { background: color-mix(in srgb, var(--dikkat) 18%, transparent); color: var(--dikkat); }
.etiket.acil { background: color-mix(in srgb, var(--acil) 18%, transparent); color: var(--acil); }
.deneme-serit { background: var(--kurdele); color: #1d1b18; text-align: center; font-size: .8rem; font-weight: 700; padding: .2rem; }
.liste { list-style: none; margin: 0; padding: 0; }
.liste > li { padding: .65rem 0; border-bottom: 1px solid var(--cizgi-ince); }
.liste > li:last-child { border-bottom: 0; }
.yukleniyor { color: var(--soluk); padding: 2rem; text-align: center; }
.hata-kutu { border: 2px solid var(--acil); color: var(--acil); border-radius: 12px; padding: .75rem; }
input[type=text], input[type=password], input[type=number], select, textarea {
  border: 2px solid var(--cizgi-ince); border-radius: 10px; padding: .5rem .7rem; background: var(--yuzey); width: 100%; }
.alt-menu { display: none; }
@media (max-width: 640px) {
  .ust-cubuk nav { display: none; }
  .alt-menu { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 5; background: var(--yuzey);
    border-top: 1px solid var(--cizgi-ince); padding-bottom: env(safe-area-inset-bottom); }
  .alt-menu a { flex: 1; text-align: center; padding: .55rem 0 .45rem; text-decoration: none; font-size: .78rem;
    font-weight: 600; color: var(--soluk); }
  .alt-menu a .simge { display: block; font-size: 1.25rem; line-height: 1.1; }
  .alt-menu a.secili { color: var(--yazi); }
  main { padding-bottom: 5rem; }
}