/* Özel form öğeleri (DESIGN.md §6 Seçici, Öneri listesi, Onay kutusu, Bilgi balonu). JS: secici.js, oneri.js, ipucu.js */
.secici-gizli { display: none !important; }
.secici-kap { position: relative; }
.secici-panel[hidden], .oneri-liste[hidden], .ipucu[hidden], .secici-liste li[hidden] { display: none !important; }

/* Düğme: arama çubuğunda eski select'in yerini, sıralamada .select görünümünü alır. */
.secici-dugme { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); width: 100%; text-align: left; cursor: pointer; }
.secici-dugme .ikon { width: 16px; height: 16px; flex: none; transition: transform .15s; }
.secici-dugme[aria-expanded=true] .ikon { transform: rotate(180deg); }
.secici-deger { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-field .secici-dugme { border: 0; padding: 0; background: transparent; font-size: var(--fs-body); font-weight: 500; min-height: 32px; outline: none; }
.search-field .secici-dugme:disabled { color: var(--c-muted); cursor: not-allowed; opacity: .7; }
.secici-dugme.select { background-image: none; padding-right: var(--s-3); width: auto; min-width: 140px; font-size: 14px; font-weight: 600; }
.secici-dugme.select[aria-expanded=true] { border-color: var(--c-primary); }

/* Panel ve öneri listesi: alanın altında açılan kart. */
.secici-panel, .oneri-liste {
  position: absolute; top: calc(100% + var(--s-2)); left: 50%; translate: calc(-50% + var(--kaydir, 0px)) 0; z-index: 30;
  min-width: max(100%, 240px); max-width: 340px;
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--r-lg);
  box-shadow: 0 16px 40px -16px rgba(22, 41, 74, .45);
}
.secici-baslik { display: none; }
.secici-ara { position: relative; padding: var(--s-2); border-bottom: 1px solid var(--c-line); }
.secici-ara .ikon { position: absolute; left: 20px; top: 50%; translate: 0 -50%; width: 18px; height: 18px; color: var(--c-muted); }
.secici-ara input { width: 100%; min-height: var(--tap); padding: 0 var(--s-3) 0 36px; border: 1px solid var(--c-line-strong); border-radius: var(--r-sm); background: var(--c-surface); font-size: var(--fs-body); }
.secici-ara input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-tag-bg); }
.secici-liste, .oneri-liste { list-style: none; margin: 0; padding: 6px; max-height: 320px; overflow-y: auto; overscroll-behavior: contain; }
.secici-liste { position: relative; }
.secici-liste:focus { outline: none; }
.secici-liste li, .oneri-liste li {
  display: flex; align-items: center; gap: var(--s-2); min-height: var(--tap); padding: 0 var(--s-3);
  border-radius: var(--r-sm); font-weight: 500; cursor: pointer; }
.secici-liste li { justify-content: space-between; }
.secici-liste li.is-active, .oneri-liste li.is-active { background: var(--c-tag-bg); }
.secici-liste li[aria-selected=true] { color: var(--c-primary); font-weight: 700; }
.secici-liste li .ikon { width: 18px; height: 18px; flex: none; }
.secici-liste li[aria-disabled] { color: var(--c-muted); cursor: default; }
.secici-liste .secici-bos { color: var(--c-muted); cursor: default; }
.oneri-liste .ikon { width: 20px; height: 20px; color: var(--c-primary); flex: none; }

/* Mobil: alttan açılan sayfa + koyu perde. */
.secici-panel.is-sayfa {
  position: fixed; top: auto; left: 0; right: 0; bottom: 0; z-index: 60; translate: none;
  display: flex; flex-direction: column; max-width: none; min-width: 0; max-height: 80vh;
  border-radius: var(--r-lg) var(--r-lg) 0 0; padding-bottom: env(safe-area-inset-bottom);
  animation: secici-yukari .2s ease-out; }
.is-sayfa .secici-baslik { display: flex; align-items: center; justify-content: space-between; padding: var(--s-2) var(--s-2) var(--s-2) var(--s-5); border-bottom: 1px solid var(--c-line); }
.is-sayfa .secici-liste { max-height: none; flex: 1; }
.is-sayfa .secici-liste li { min-height: 48px; }
.secici-kapat { display: inline-grid; place-items: center; width: var(--tap); height: var(--tap); border: 0; border-radius: var(--r-sm); background: transparent; cursor: pointer; }
.secici-kapat .ikon { width: 22px; height: 22px; }
.secici-perde { display: none; position: fixed; inset: 0; z-index: 55; background: rgba(22, 41, 74, .45); }
.secici-perde.is-acik { display: block; }
.secici-acik { overflow: hidden; }
@keyframes secici-yukari { from { transform: translateY(24px); opacity: 0; } }

/* Onay kutusu: işletim sisteminin kutusu yerine. */
.check input, .check-line input {
  appearance: none; -webkit-appearance: none; flex: none; width: 20px; height: 20px; margin: 0; cursor: pointer;
  border: 1.5px solid var(--c-line-strong); border-radius: 6px; background: var(--c-surface) no-repeat center / 14px; transition: background-color .15s, border-color .15s; }
.check input:hover, .check-line input:hover { border-color: var(--c-primary); }
.check input:checked, .check-line input:checked {
  border-color: var(--c-primary); background-color: var(--c-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5l10 -10'/%3E%3C/svg%3E"); }
.check-line input[aria-invalid=true] { border-color: var(--c-error); }

/* Bilgi düğmesi ve balonları (title balonu yerine). */
.bilgi-dugme { display: inline-grid; place-items: center; width: var(--tap); height: var(--tap); border: 0; border-radius: var(--r-sm); background: transparent; color: var(--c-muted); cursor: pointer; }
.bilgi-dugme:hover, .bilgi-dugme[aria-expanded=true] { color: var(--c-primary); }
.bilgi-dugme .ikon { width: 20px; height: 20px; }
.bilgi-balon, .ipucu {
  position: fixed; inset: auto; margin: 0; z-index: 70; max-width: min(320px, 100vw - 32px);
  padding: var(--s-3) var(--s-4); border: 1px solid var(--c-line); border-radius: var(--r-sm);
  background: var(--c-surface); color: var(--c-text); font-size: 14px; font-weight: 500; line-height: 1.45;
  box-shadow: 0 16px 40px -16px rgba(22, 41, 74, .45); }
.bilgi-balon strong { display: block; margin-bottom: 2px; }
.ipucu { pointer-events: none; }