/* ==========================================================================
   layout.css — temel, iskelet (nav / drawer / footer) ve yardimci siniflar.
   Renk, olcu ve tipografi degerleri DAIMA token uzerinden okunur; sabit renk
   yazilmaz. Tokenlar core/theme.js icinde tanimlidir.
   ========================================================================== */

/* --------------------------------------------------------- reset & base */
*,
*::before,
*::after { box-sizing: border-box; }

/*
 * `hidden` niteligi HER ZAMAN kazanmali.
 *
 * Tarayicinin varsayilan `[hidden] { display: none }` kurali sinif secicilerinden
 * daha zayiftir; `display: grid` gibi bir sinif kuralini tasiyan bir bilesen
 * `hidden` verilse bile ekranda kalir. Gorunmez ama yer kaplar ve ustundeki
 * tiklamalari yutar — hata bulmasi zor, sonucu can sikici. Tek kural bu sinifin
 * tamamini kapatiyor; bilesen basina `.x[hidden]` yazmak gerekmiyor.
 */
[hidden] { display: none !important; }

/*
 * Yalnizca ekran okuyucular icin metin. `display: none` ile gizlemek metni
 * erisilebilirlik agacindan da silerdi; bu yuzden goruntu disina alinip
 * kirpiliyor. Genislige katkisi olmamali: aksi halde kapsayicinin min-content
 * olcusunu buyutur ve duzeni bozar.
 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  color: var(--heading);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--link-hover); }

img, svg { max-width: 100%; }
img { height: auto; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--code-bg);
  border-radius: var(--radius-sm);
}
code { padding: 0.15em 0.4em; }
pre { padding: 14px 16px; overflow-x: auto; }

hr {
  border: 0;
  border-top: 1px solid var(--divider);
  margin: 24px 0;
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-text);
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Ince kaydirma cubugu — token rengiyle */
* { scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--scrollbar);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--primary);
  color: var(--primary-contrast);
  border-radius: var(--radius-md);
}
.skip-link:focus { left: 8px; }

/* --------------------------------------------------------- iskelet */
.main {
  flex: 1 0 auto;
  width: 100%;
  padding-top: 72px; /* sabit nav yuksekligi */
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.container--narrow { max-width: 780px; }
.container--wide { max-width: 1480px; }

.section { padding: 56px 0; }
.section--tight { padding: 32px 0; }
.section--hero { padding: 72px 0 56px; }

/* --------------------------------------------------------- navbar */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow var(--transition), background var(--transition);
}
.nav.is-scrolled { box-shadow: var(--shadow-md); }

.nav__inner {
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-weight: var(--fw-bold);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav__brand:hover { color: var(--heading); }

.nav__brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--primary-contrast);
  font-size: 0.95rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 18px;
  flex: 1;
  min-width: 0;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border: 0;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--text); background: var(--surface-2); }
.nav__link.is-active { color: var(--text); background: var(--primary-soft); }
.nav__link--toggle { font-family: inherit; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.icon-btn:hover {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border-strong);
}
.icon-btn__code {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
}
.icon-btn__dot {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: var(--fw-bold);
}

.nav__avatar {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition);
}
.nav__avatar:hover { border-color: var(--primary); }
.nav__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nav__avatar-initials {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}

.nav__avatar--guest {
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 1.05rem;
}
.nav__avatar--guest:hover { color: var(--text); }

.theme-swatch { display: inline-flex; gap: 3px; }
.theme-swatch i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* --------------------------------------------------------- mobil cekmece */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--backdrop);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition);
}
.drawer-backdrop.is-open { opacity: 1; }

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 120;
  width: min(86vw, 340px);
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform var(--transition);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.drawer.is-open { transform: translateX(0); }

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--divider);
}

.drawer__user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
}
.drawer__user:hover { border-color: var(--primary); color: var(--text); }
.drawer__user-photo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-pill);
  object-fit: cover;
  flex-shrink: 0;
}
.drawer__user-photo--fallback {
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: var(--fw-semibold);
}
.drawer__user-meta { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.drawer__user-meta strong { font-size: var(--fs-md); }
.drawer__user-meta small { color: var(--text-muted); font-size: var(--fs-xs); }

.drawer__nav { display: flex; flex-direction: column; padding: 8px 12px; gap: 2px; flex: 1; }

.drawer__group-label,
.drawer__row-label {
  padding: 14px 10px 6px;
  color: var(--text-soft);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.drawer__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
}
.drawer__link i { font-size: 1.05rem; width: 20px; text-align: center; }
.drawer__link:hover { background: var(--surface-2); color: var(--text); }
.drawer__link.is-active { background: var(--primary-soft); color: var(--primary); }

.drawer__foot {
  padding: 12px;
  border-top: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.drawer__chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 2px 6px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip.is-active {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
}
.chip__dot { width: 9px; height: 9px; border-radius: 50%; }

/* --------------------------------------------------------- footer */
/* Duzen WebReport'taki footer'dan alindi: ust serit (marka + kontroller),
   bag lanti sutunlari (mobilde katlanir), alt bar (telif + yukari cik). */
.ft {
  position: relative;
  flex-shrink: 0;
  margin-top: 64px;
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}
.ft::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(640px, 80%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.45;
}

.ft__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- ust serit --- */
.ft__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 36px 0 24px;
}

.ft__brand-block { max-width: 340px; }
.ft__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-weight: var(--fw-bold);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.ft__brand:hover { opacity: 0.75; color: var(--heading); }
.ft__brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--primary-contrast);
  font-size: 0.9rem;
}
.ft__tagline {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

.ft__controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ft__socials { display: flex; gap: 6px; }
.ft__social {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.ft__social:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.ft__ctrl-sep {
  width: 1px;
  height: 20px;
  background: var(--divider);
}

.ft__lang { display: flex; gap: 4px; }
.ft__lang-btn {
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.ft__lang-btn:hover { color: var(--text); border-color: var(--border-strong); }
.ft__lang-btn.is-active {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}

.ft__theme-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.ft__theme-btn:hover { color: var(--primary); border-color: var(--primary); }

/* --- bag lanti sutunlari --- */
.ft__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 40px;
  padding: 24px 0 28px;
  border-top: 1px solid var(--divider);
}

.ft__col-hd {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 14px;
  border: 0;
  background: none;
  color: var(--text);
  font-family: inherit;
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  cursor: default;
  pointer-events: none;
}
.ft__col-chevron {
  flex-shrink: 0;
  font-size: 0.7rem;
  color: var(--text-soft);
  display: none;
  transition: transform var(--transition);
}

.ft__col-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ft__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 5px 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  transition: color var(--transition);
}
.ft__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  border-radius: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.ft__link:hover { color: var(--primary); }
.ft__link:hover::after { transform: scaleX(1); }

/* --- alt bar --- */
.ft__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 0 22px;
  border-top: 1px solid var(--divider);
  font-size: var(--fs-xs);
}
.ft__copy { margin: 0; color: var(--text-muted); }
.ft__copy-dim { color: var(--text-soft); }
.ft__made {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-soft);
}
.ft__heart { color: var(--danger); }

.ft__scroll-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider);
  background: var(--surface);
  color: var(--text-muted);
  font-family: inherit;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.ft__scroll-top:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* --------------------------------------------------------- sayfa basligi */
.page-head { margin-bottom: 28px; }
.page-head__row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  justify-content: space-between;
}
.page-head__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: var(--fs-2xl);
}
.page-head__title i { color: var(--primary); }
.page-head__subtitle {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}
.page-head__actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* --------------------------------------------------------- yardimci siniflar */
/* Grid ailesi iki gruba ayrilir:
   - kart/kutucuk gridleri (--3, --4, --auto) mobilde 2 sutuna duser, 1'e degil
   - form gridleri (--2) mobilde tek sutun olur, cunku alanlar dar gelir */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
/* 320px alt sinir: 1240px kapsayicida 3, tablette 2 sutun verir.
   Daha kucuk bir deger masaustunde 4 sutuna cikip 6 karti 4+2 olarak kiriyordu. */
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.stack { display: flex; flex-direction: column; gap: 16px; }
.stack--sm { gap: 8px; }
.stack--lg { gap: 28px; }

.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.row--between { justify-content: space-between; }
.row--end { justify-content: flex-end; }
.row--tight { gap: 6px; }

.text-muted { color: var(--text-muted); }
.text-soft { color: var(--text-soft); }
.text-center { text-align: center; }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }
.mono { font-family: var(--font-mono); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none !important; }

.lead {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------- responsive */
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__burger { display: inline-flex; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .main { padding-top: 64px; }
  .nav { height: 64px; }
  .nav__inner { padding: 0 14px; gap: 8px; }
  .nav__brand-text { display: none; }

  .section { padding: 32px 0; }
  .section--tight { padding: 24px 0; }
  .section--hero { padding: 32px 0 24px; }
  .container { padding: 0 16px; }

  /* Kart ve kutucuk gridleri iki sutun kalir; sigmayan alta akar. */
  .grid { gap: 12px; }
  .grid--3,
  .grid--4,
  .grid--auto { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* Form satirlari tek sutun olur. */
  .grid--2 { grid-template-columns: minmax(0, 1fr); }

  .stack { gap: 12px; }
  .stack--lg { gap: 18px; }

  .page-head { margin-bottom: 20px; }
  .page-head__title { font-size: var(--fs-xl); }
  .page-head__row { align-items: flex-start; }
  .page-head__actions { width: 100%; }
  .page-head__actions .btn { flex: 1; }

  /* --- footer: sutunlar katlanir, kontroller alta gecer --- */
  .ft { margin-top: 32px; }
  .ft__inner { padding: 0 16px; }
  .ft__top { padding: 28px 0 20px; flex-direction: column; align-items: flex-start; gap: 18px; }
  .ft__brand-block { max-width: none; }
  .ft__controls { width: 100%; }

  .ft__nav { grid-template-columns: 1fr; gap: 0; padding: 0; }
  .ft__col { border-bottom: 1px solid var(--divider); }
  .ft__col:last-child { border-bottom: 0; }
  .ft__col-hd { padding: 15px 0; cursor: pointer; pointer-events: auto; }
  .ft__col-chevron { display: block; }
  .ft__col.is-collapsed .ft__col-chevron { transform: rotate(-90deg); }

  .ft__col-links {
    max-height: 400px;
    opacity: 1;
    padding-bottom: 14px;
    transition: max-height var(--transition), opacity var(--transition), padding var(--transition);
  }
  .ft__col.is-collapsed .ft__col-links {
    max-height: 0;
    opacity: 0;
    padding-bottom: 0;
  }

  .ft__bottom { padding: 16px 0 20px; }
  .ft__made { order: 3; width: 100%; }
  
  
}

@media (max-width: 480px) {
  .icon-btn { min-width: 36px; height: 36px; padding: 0 7px; }
  .icon-btn__code { display: none; }
  .nav__actions { gap: 4px; }
  .nav__avatar { width: 36px; height: 36px; }
  .container { padding: 0 12px; }
  .grid { gap: 10px; }
  
  
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}