/* ==========================================================================
   Postiva — Tasarim Sistemi (Design System)
   Tek dosya, tum yuzeyler paylasir: pazarlama sitesi, giris, webmail, admin.
   Konum: postiva.com.tr | Yandex Mail alternatifi | hizli, uygun, yerli, Turkce
   His: modern, premium, guven veren, sicak. Duz (flat) tasarim.
   --------------------------------------------------------------------------
   ICINDEKILER
     1. Token'lar — acik tema (:root)
     2. Token'lar — koyu tema (html[data-theme="dark"])
     3. Taban (reset, tipografi, baglik)
     4. Yardimcilar (container, gorsel-gizli, gradyan metin)
     5. Bilesenler
        .btn / .btn-primary / .btn-ghost / .btn-danger
        .input / .field / .textarea / .label
        .card
        .badge
        .chip            <- KRITIK GLOBAL KURAL
        .select          <- KRITIK GLOBAL KURAL
        .avatar
        .toast
        .modal + .overlay
        .table
        .switch (toggle)
        .stepper
        .segmented
        nav ogeleri (.nav, .nav-item)
   ========================================================================== */

/* ==========================================================================
   1. TOKEN'LAR — ACIK TEMA
   Her renk bir CSS degiskeni. Her iki temada da WCAG AA kontrast.
   ========================================================================== */
:root {
  color-scheme: light;

  /* --- Arka plan & yuzey katmanlari --- */
  --bg:               #f4f5f7;   /* sayfa zemini */
  --surface:          #ffffff;   /* kartlar, paneller */
  --surface-2:        #f7f8fa;   /* ince ikinci katman (input zemini, satir hover) */
  --surface-3:        #eef0f4;   /* ucuncu katman (segmented track, basili durum) */

  /* --- Kenarlik --- */
  --border:           #e5e7ec;   /* varsayilan kenarlik */
  --border-strong:    #d4d8e0;   /* vurgulu / hover kenarlik */

  /* --- Metin (kontrast: tumu beyaz/acik zeminde AA+) --- */
  --text:             #1b1f27;   /* birincil — 14.8:1 */
  --text-2:           #555d6b;   /* ikincil — 6.6:1  */
  --text-3:           #79808f;   /* ucuncul/ipucu — 4.6:1 */
  --text-on-primary:  #ffffff;   /* birincil marka zemini ustu */

  /* --- Birincil marka (indigo ailesi, ~#4f46e5) --- */
  --primary:          #4f46e5;   /* ana marka */
  --primary-hover:    #4338ca;   /* hover */
  --primary-active:   #3730a3;   /* basili */
  --primary-soft:     #eef0fe;   /* yumusak zemin (pill, secili nav) */
  --primary-soft-hover:#e3e6fd;  /* yumusak zemin hover */
  --primary-text:     #4338ca;   /* yumusak zemin uzerinde okunur marka metni — AA */
  --primary-border:   #c7c9f7;   /* yumusak ogelerin kenarligi */

  /* --- Durum renkleri (zemin + zemin-ustu metin AA) --- */
  --success:          #0f9d58;
  --success-soft:     #e6f6ec;
  --success-text:     #0a7d44;   /* yumusak zeminde okunur */
  --warning:          #d98a00;
  --warning-soft:     #fdf2dd;
  --warning-text:     #9a6200;   /* yumusak zeminde okunur */
  --danger:           #e02e3d;
  --danger-hover:     #c41f2e;
  --danger-soft:      #fdecee;
  --danger-text:      #c01828;   /* yumusak zeminde okunur */

  /* --- Yildiz (favori/onemli) --- */
  --star:             #f5a623;
  --star-empty:       #c4cad4;

  /* --- Ince marka gradyani (yalnizca vurgu: logo, kahraman pırıltısı) --- */
  --gradient-brand:   linear-gradient(135deg, #6366f1 0%, #4f46e5 55%, #4338ca 100%);
  --gradient-brand-soft: linear-gradient(135deg, #eef0fe 0%, #f4f1ff 100%);

  /* --- Bosluk olcegi (4px taban) --- */
  --space-0:  0;
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* --- Kose yariciplari --- */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl:22px;
  --radius-pill: 999px;

  /* --- Golgeler (duz tasarim: hafif, islevsel) --- */
  --shadow-xs: 0 1px 2px rgba(20, 24, 33, .05);
  --shadow-sm: 0 1px 3px rgba(20, 24, 33, .07), 0 1px 2px rgba(20, 24, 33, .04);
  --shadow-md: 0 6px 20px rgba(20, 24, 33, .10);
  --shadow-lg: 0 16px 48px rgba(20, 24, 33, .16);
  --ring:      0 0 0 3px rgba(79, 70, 229, .28);   /* odak halkasi */
  --ring-danger: 0 0 0 3px rgba(224, 46, 61, .26);

  /* --- Tipografi: sistem font yigini --- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
               Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  /* --- Font boyutlari --- */
  --text-xs:   12px;
  --text-sm:   13px;
  --text-base: 14px;   /* uygulama varsayilani */
  --text-md:   15px;
  --text-lg:   17px;
  --text-xl:   20px;
  --text-2xl:  24px;
  --text-3xl:  30px;
  --text-4xl:  38px;
  --text-5xl:  48px;

  /* --- Font agirliklari --- */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* --- Satir yuksekligi --- */
  --leading-tight: 1.2;
  --leading-snug:  1.4;
  --leading-normal:1.55;
  --leading-relaxed:1.7;

  /* --- Gecisler --- */
  --transition-fast: 120ms cubic-bezier(.4, 0, .2, 1);
  --transition:      180ms cubic-bezier(.4, 0, .2, 1);
  --transition-slow: 260ms cubic-bezier(.4, 0, .2, 1);

  /* --- z-index katmanlari --- */
  --z-nav:    100;
  --z-dropdown: 400;
  --z-overlay: 900;
  --z-modal:  1000;
  --z-toast:  1100;
}

/* ==========================================================================
   2. TOKEN'LAR — KOYU TEMA
   html[data-theme="dark"] — yalnizca renkler degisir, olcek/yari cap ortak.
   Kontrast: koyu zeminde tum metinler AA+.
   ========================================================================== */
html[data-theme="dark"] {
  color-scheme: dark;

  --bg:               #0e1014;
  --surface:          #171a21;
  --surface-2:        #1d212a;
  --surface-3:        #262b36;

  --border:           #2a2f3a;
  --border-strong:    #3a414f;

  --text:             #eef0f4;   /* 14.6:1 */
  --text-2:           #aab2c0;   /* 7.2:1  */
  --text-3:           #7d8595;   /* 4.5:1  */
  --text-on-primary:  #ffffff;

  --primary:          #6f67f0;   /* koyuda biraz parlatildi */
  --primary-hover:    #8079f4;
  --primary-active:   #918bf6;
  --primary-soft:     #1e1f3d;
  --primary-soft-hover:#26285a;
  --primary-text:     #b4afff;   /* koyu yumusak zeminde okunur — AA */
  --primary-border:   #3a3a78;

  --success:          #34c578;
  --success-soft:     #122a1d;
  --success-text:     #5fd99a;
  --warning:          #e8a93a;
  --warning-soft:     #2e2410;
  --warning-text:     #f0c06a;
  --danger:           #f0555f;
  --danger-hover:     #f3727a;
  --danger-soft:      #2e1418;
  --danger-text:      #f58a90;

  --star:             #f7b53e;
  --star-empty:       #4a515f;

  --gradient-brand:   linear-gradient(135deg, #7c75f5 0%, #5b51ec 55%, #4a40d6 100%);
  --gradient-brand-soft: linear-gradient(135deg, #1c1d38 0%, #221f3f 100%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .45), 0 1px 2px rgba(0, 0, 0, .3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .5);
  --shadow-lg: 0 18px 52px rgba(0, 0, 0, .6);
  --ring:      0 0 0 3px rgba(111, 103, 240, .42);
  --ring-danger: 0 0 0 3px rgba(240, 85, 95, .4);
}

/* Sistem koyu tercihi + henuz veri-tema yokken otomatik koyu (JS ilk yuklemede
   data-theme ayarlar; bu blok yalnizca JS calismadan onceki an icin guvenlik agi). */
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    color-scheme: dark;
    --bg:#0e1014; --surface:#171a21; --surface-2:#1d212a; --surface-3:#262b36;
    --border:#2a2f3a; --border-strong:#3a414f;
    --text:#eef0f4; --text-2:#aab2c0; --text-3:#7d8595;
    --primary:#6f67f0; --primary-hover:#8079f4; --primary-active:#918bf6;
    --primary-soft:#1e1f3d; --primary-soft-hover:#26285a; --primary-text:#b4afff; --primary-border:#3a3a78;
    --success:#34c578; --success-soft:#122a1d; --success-text:#5fd99a;
    --warning:#e8a93a; --warning-soft:#2e2410; --warning-text:#f0c06a;
    --danger:#f0555f; --danger-hover:#f3727a; --danger-soft:#2e1418; --danger-text:#f58a90;
    --star:#f7b53e; --star-empty:#4a515f;
    --gradient-brand:linear-gradient(135deg,#7c75f5 0%,#5b51ec 55%,#4a40d6 100%);
  }
}

/* ==========================================================================
   3. TABAN
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-3);
  color: var(--text);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -.01em;
}
h1 { font-size: var(--text-4xl); letter-spacing: -.025em; }
h2 { font-size: var(--text-2xl); letter-spacing: -.02em; }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-sm); color: var(--text-2); }

p { margin: 0 0 var(--space-4); }

a {
  color: var(--primary-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--primary-hover); text-decoration: underline; }

small { font-size: var(--text-sm); color: var(--text-2); }

code, kbd, pre {
  font-family: var(--font-mono);
  font-size: .92em;
}
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: .1em .4em;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-6) 0;
}

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

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--radius-sm);
}

/* Ince marka kaydirma cubugu */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-3); background-clip: padding-box; }

/* ==========================================================================
   4. YARDIMCILAR
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container-narrow { max-width: 760px; }
.container-wide   { max-width: 1400px; }

/* Ekran okuyucu icin gorsel-gizli */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Ince marka gradyani — metin uzerinde (kahraman basliklarda olcum vurgusu) */
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted   { color: var(--text-2); }
.subtle  { color: var(--text-3); }
.text-primary-brand { color: var(--primary-text); }

/* ==========================================================================
   5. BILESENLER
   ========================================================================== */

/* --------------------------------------------------------------------------
   .btn — Buton
   Tum butonlar: inline-flex, dikey ortali, icerik kadar genis.
   Sona ok/ikon eklenirse global kural geregi metnin yaninda durur.
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: fit-content;
  height: 38px;
  padding: 0 var(--space-5);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast), box-shadow var(--transition-fast),
              transform var(--transition-fast);
}
.btn:hover    { background: var(--surface-2); border-color: var(--text-3); }
.btn:active   { transform: translateY(.5px) scale(.99); }
.btn:focus-visible { box-shadow: var(--ring); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn .icon, .btn i { font-size: 1.05em; line-height: 0; flex: none; }

/* Birincil */
.btn-primary {
  color: var(--text-on-primary);
  background: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover  { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-primary:active { background: var(--primary-active); border-color: var(--primary-active); }

/* Hayalet (cerceveli/sade) */
.btn-ghost {
  color: var(--text-2);
  background: transparent;
  border-color: transparent;
}
.btn-ghost:hover  { background: var(--surface-2); color: var(--text); border-color: transparent; }
.btn-ghost:active { background: var(--surface-3); }

/* Tehlike */
.btn-danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover  { background: var(--danger-hover); border-color: var(--danger-hover); }
.btn-danger:focus-visible { box-shadow: var(--ring-danger); }

/* Boyut varyantlari */
.btn-sm { height: 32px; padding: 0 var(--space-3); font-size: var(--text-sm); }
.btn-lg { height: 46px; padding: 0 var(--space-6); font-size: var(--text-md); border-radius: var(--radius-pill); }
.btn-block { width: 100%; }   /* yalnizca acik istenirse; sona-ok kurali disindaki tam-genislik istisnasi */
.btn-icon { width: 38px; padding: 0; }
.btn-icon.btn-sm { width: 32px; }

/* --------------------------------------------------------------------------
   .input / .textarea / .field / .label — Form ogeleri
   -------------------------------------------------------------------------- */
.input,
.textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast);
}
.input {
  height: 38px;
  padding: 0 var(--space-3);
}
.textarea {
  min-height: 96px;
  padding: var(--space-3);
  line-height: var(--leading-normal);
  resize: vertical;
}
.input::placeholder,
.textarea::placeholder { color: var(--text-3); }
.input:hover, .textarea:hover { border-color: var(--text-3); }
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--ring);
}
.input:disabled, .textarea:disabled {
  background: var(--surface-2);
  color: var(--text-3);
  cursor: not-allowed;
}
.input.is-invalid, .textarea.is-invalid {
  border-color: var(--danger);
}
.input.is-invalid:focus, .textarea.is-invalid:focus { box-shadow: var(--ring-danger); }

/* Onek/sonek ikonlu input sarmali */
.input-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 38px;
  padding: 0 var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input-group:focus-within { border-color: var(--primary); box-shadow: var(--ring); }
.input-group .icon, .input-group > i { color: var(--text-3); flex: none; }
.input-group input {
  flex: 1; min-width: 0;
  border: none; background: transparent; outline: none;
  font-family: inherit; font-size: var(--text-base); color: var(--text);
  height: 100%;
}

/* Alan (etiket + input + ipucu) */
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-2);
}
.label .req { color: var(--danger); margin-left: 2px; }
.field .hint  { font-size: var(--text-xs); color: var(--text-3); }
.field .error { font-size: var(--text-xs); color: var(--danger-text); }

/* --------------------------------------------------------------------------
   .card — Kart
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-xs);
}
.card-hover { transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition); }
.card-hover:hover { box-shadow: var(--shadow-md); border-color: var(--border-strong); transform: translateY(-2px); }
.card-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.card-title  { font-size: var(--text-lg); font-weight: var(--weight-bold); margin: 0; }
.card-body   { color: var(--text-2); }
.card-footer { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--border); display: flex; align-items: center; gap: var(--space-3); }
.card-flush  { padding: 0; overflow: hidden; }   /* tam-genislik icerik (table vb.) icin */

/* --------------------------------------------------------------------------
   .badge — Etiket/rozet (statik bilgi; tiklanmaz)
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  width: fit-content;
  height: 22px;
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1;
  color: var(--text-2);
  background: var(--surface-3);
  border-radius: var(--radius-xs);
  white-space: nowrap;
}
.badge-primary { color: var(--primary-text); background: var(--primary-soft); }
.badge-success { color: var(--success-text); background: var(--success-soft); }
.badge-warning { color: var(--warning-text); background: var(--warning-soft); }
.badge-danger  { color: var(--danger-text);  background: var(--danger-soft); }
.badge-dot { width: 6px; height: 6px; padding: 0; border-radius: 50%; }
/* Sayac (okunmamis vb.) */
.badge-count {
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: var(--radius-pill);
  color: var(--text-on-primary); background: var(--primary);
  font-size: 11px; justify-content: center;
}

/* --------------------------------------------------------------------------
   .chip — Cip (KRITIK GLOBAL KURAL)
   Sona ok/ikon (kapatma X, dropdown oku) METNIN YANINDA durur.
   inline-flex; align-items:center; gap:8px; width:fit-content.
   YASAK: justify-content:space-between, width:100%/flex:1, position:absolute.
   Tiklanabilir filtre/secim ogesi.
   -------------------------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);              /* 8px — ok/ikon metnin yaninda */
  width: fit-content;
  height: 30px;
  padding: 0 var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              color var(--transition-fast);
}
.chip:hover { background: var(--surface-3); border-color: var(--border-strong); color: var(--text); }
.chip:focus-visible { box-shadow: var(--ring); }
/* Sondaki ok/ikon: akista metnin hemen yaninda; asla absolute/space-between yok */
.chip .icon, .chip i { font-size: 1em; line-height: 0; flex: none; color: var(--text-3); }
.chip .chip-close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; padding: 0;
  border: none; background: transparent; cursor: pointer;
  color: var(--text-3); border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.chip .chip-close:hover { background: var(--border-strong); color: var(--text); }
/* Secili / aktif cip */
.chip.is-active,
.chip[aria-pressed="true"] {
  color: var(--primary-text);
  background: var(--primary-soft);
  border-color: var(--primary-border);
}
.chip.is-active .icon, .chip.is-active i { color: var(--primary-text); }

/* --------------------------------------------------------------------------
   .select — Ozel acilir secici (KRITIK GLOBAL KURAL)
   Native <select> oku KULLANILMAZ. Trigger buton + popup menu deseni.
   Trigger: inline-flex; align-items:center; gap:8px; width:fit-content;
   ok metnin yaninda. YASAK: justify-content:space-between, width:100%/flex:1,
   position:absolute right, native ok.
   -------------------------------------------------------------------------- */
.select { position: relative; display: inline-flex; width: fit-content; }

.select-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);              /* 8px — ok metnin yaninda */
  width: fit-content;              /* icerik kadar; asla flex:1 / %100 */
  height: 38px;
  padding: 0 var(--space-3);
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-fast);
}
.select-trigger:hover { border-color: var(--text-3); }
.select-trigger:focus-visible { box-shadow: var(--ring); border-color: var(--primary); }
/* Ok: metnin hemen yaninda akista (flex none), absolute/right DEGIL */
.select-trigger .caret,
.select-trigger > i.ti-chevron-down {
  flex: none;
  font-size: 1em;
  color: var(--text-3);
  transition: transform var(--transition-fast);
}
.select[data-open="true"] .select-trigger .caret,
.select[data-open="true"] .select-trigger > i.ti-chevron-down { transform: rotate(180deg); }

/* Popup menu */
.select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  width: max-content;
  max-width: 320px;
  padding: var(--space-1);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
  max-height: 320px;
  overflow-y: auto;
}
.select-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  color: var(--text);
  border-radius: var(--radius-xs);
  cursor: pointer;
  white-space: nowrap;
}
.select-option:hover { background: var(--surface-2); }
.select-option.is-selected { color: var(--primary-text); background: var(--primary-soft); font-weight: var(--weight-medium); }
.select-option .check { margin-left: auto; color: var(--primary-text); }

/* Genel dropdown menu (select-menu ile ayni gorsel dil) */
.menu {
  min-width: 180px;
  padding: var(--space-1);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.menu-item {
  display: flex; align-items: center; gap: var(--space-2);
  width: 100%; box-sizing: border-box; text-align: left;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base); color: var(--text);
  border: none; background: transparent; font-family: inherit;
  border-radius: var(--radius-sm); cursor: pointer; white-space: nowrap;
}
.menu-item:hover { background: var(--surface-2); }
.menu-item.is-danger { color: var(--danger-text); }
.menu-item.is-danger:hover { background: var(--danger-soft); }
.menu-sep { height: 1px; margin: var(--space-1) 0; background: var(--border); }

/* --------------------------------------------------------------------------
   .avatar — Kullanici simgesi
   -------------------------------------------------------------------------- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  flex: none;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  overflow: hidden;
  user-select: none;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-sm { width: 28px; height: 28px; font-size: var(--text-xs); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--text-lg); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--text-xl); }
/* Yigin */
.avatar-stack { display: inline-flex; }
.avatar-stack .avatar { margin-left: -8px; border: 2px solid var(--surface); }
.avatar-stack .avatar:first-child { margin-left: 0; }

/* --------------------------------------------------------------------------
   .toast — Bildirim
   -------------------------------------------------------------------------- */
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  width: fit-content;
  max-width: 380px;
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-3);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  font-size: var(--text-sm);
}
.toast .toast-icon { flex: none; line-height: 1.3; }
.toast .toast-title { font-weight: var(--weight-semibold); margin: 0 0 2px; }
.toast .toast-msg   { color: var(--text-2); margin: 0; }
.toast .toast-close {
  margin-left: var(--space-3); flex: none;
  border: none; background: transparent; cursor: pointer;
  color: var(--text-3); padding: 2px; border-radius: var(--radius-xs);
}
.toast .toast-close:hover { color: var(--text); background: var(--surface-2); }
.toast-success { border-left-color: var(--success); }
.toast-success .toast-icon { color: var(--success); }
.toast-warning { border-left-color: var(--warning); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-danger  { border-left-color: var(--danger); }
.toast-danger .toast-icon { color: var(--danger); }
.toast-info    { border-left-color: var(--primary); }
.toast-info .toast-icon { color: var(--primary); }
/* Yigin kabi (sag-alt) */
.toast-region {
  position: fixed; right: var(--space-5); bottom: var(--space-5);
  display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-3);
  z-index: var(--z-toast); pointer-events: none;
}
.toast-region > .toast { pointer-events: auto; }

/* --------------------------------------------------------------------------
   .overlay + .modal — Kaplama ve diyalog
   -------------------------------------------------------------------------- */
.overlay {
  position: fixed; inset: 0;
  background: rgba(15, 18, 24, .5);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-5);
  z-index: var(--z-overlay);
}
html[data-theme="dark"] .overlay { background: rgba(0, 0, 0, .62); }

.modal {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  overflow: hidden;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: var(--text-lg); font-weight: var(--weight-bold); margin: 0; }
.modal-close {
  flex: none; border: none; background: transparent; cursor: pointer;
  color: var(--text-3); padding: var(--space-1); border-radius: var(--radius-sm);
  display: inline-flex;
}
.modal-close:hover { color: var(--text); background: var(--surface-2); }
.modal-body   { padding: var(--space-6); color: var(--text-2); }
.modal-footer {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.modal-lg { max-width: 680px; }
.modal-sm { max-width: 380px; }

/* --------------------------------------------------------------------------
   .table — Tablo
   -------------------------------------------------------------------------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}
.table th, .table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  vertical-align: middle;
}
.table thead th {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-3);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table tbody td { color: var(--text); border-bottom: 1px solid var(--border); }
.table tbody tr { transition: background var(--transition-fast); }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: none; }
.table-compact th, .table-compact td { padding: var(--space-2) var(--space-3); }
.table .cell-num { text-align: right; font-variant-numeric: tabular-nums; }
.table .cell-actions { text-align: right; white-space: nowrap; }

/* --------------------------------------------------------------------------
   .switch — Ac/kapa anahtari (toggle)
   -------------------------------------------------------------------------- */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 40px; height: 22px;
  flex: none;
  cursor: pointer;
  user-select: none;
}
.switch input {
  position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer;
}
.switch .track {
  position: absolute; inset: 0;
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  transition: background var(--transition);
}
.switch .thumb {
  position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition);
}
.switch input:checked ~ .track { background: var(--primary); }
.switch input:checked ~ .thumb { transform: translateX(18px); }
.switch input:focus-visible ~ .track { box-shadow: var(--ring); }
.switch input:disabled ~ .track { opacity: .5; }
.switch input:disabled { cursor: not-allowed; }
/* Etiketli sarmal */
.switch-field { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; }
.switch-field .switch-label { font-size: var(--text-base); color: var(--text); }

/* --------------------------------------------------------------------------
   .stepper — Adim gostergesi
   -------------------------------------------------------------------------- */
.stepper { display: flex; align-items: center; gap: var(--space-2); }
.stepper .step {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--text-3); font-size: var(--text-sm); font-weight: var(--weight-medium);
  white-space: nowrap;
}
.stepper .step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-3);
  font-size: var(--text-sm); font-weight: var(--weight-semibold);
  transition: all var(--transition);
}
.stepper .step.is-active { color: var(--text); }
.stepper .step.is-active .step-num { border-color: var(--primary); color: var(--primary-text); background: var(--primary-soft); }
.stepper .step.is-done { color: var(--text-2); }
.stepper .step.is-done .step-num { border-color: var(--primary); background: var(--primary); color: var(--text-on-primary); }
.stepper .step-line { width: 28px; height: 1.5px; background: var(--border-strong); flex: none; }
.stepper .step.is-done + .step-line { background: var(--primary); }

/* --------------------------------------------------------------------------
   .segmented — Segment kontrolu (radyo grubu gorunumu)
   -------------------------------------------------------------------------- */
.segmented {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  width: fit-content;
  padding: 3px;
  background: var(--surface-3);
  border-radius: var(--radius-md);
}
.segmented .segment {
  display: inline-flex; align-items: center; gap: var(--space-2);
  height: 30px; padding: 0 var(--space-4);
  font-family: inherit; font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: var(--text-2);
  background: transparent; border: none; border-radius: var(--radius-sm);
  cursor: pointer; white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.segmented .segment:hover { color: var(--text); }
.segmented .segment.is-active,
.segmented .segment[aria-selected="true"] {
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow-xs);
}

/* --------------------------------------------------------------------------
   Nav ogeleri — Ust gezinme + yan menu
   -------------------------------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 36px;
  padding: 0 var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-2);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-item:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-item .icon, .nav-item i { font-size: 1.1em; color: var(--text-3); flex: none; }
.nav-item.is-active {
  color: var(--primary-text);
  background: var(--primary-soft);
}
.nav-item.is-active .icon, .nav-item.is-active i { color: var(--primary-text); }
/* Yan menu dikey varyant (webmail/admin) */
.nav-vertical { flex-direction: column; align-items: stretch; gap: 2px; }
.nav-vertical .nav-item { height: 38px; justify-content: flex-start; }
.nav-vertical .nav-item .badge-count { margin-left: auto; }   /* sayac sona; istisna: nav satiri tam genislik tabaktir */

/* Marka kilidi: ust cubuk logo blogu */
.brand { display: inline-flex; align-items: center; gap: var(--space-2); user-select: none; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-name { font-size: var(--text-xl); font-weight: var(--weight-bold); letter-spacing: -.02em; color: var(--text); }

/* --------------------------------------------------------------------------
   Erisilebilirlik: hareket azaltma tercihi
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}