/* =================================================================
   Yönetim panelinin ortak stili (tasarım sistemi)
   Kartlarla aynı dil: lacivert + mavi vurgu (Omega ile uyumlu), başlıklarda Sora,
   metinde Geist. Yumuşak gölgeli beyaz yüzeyler; koyu temada lacivert tonlar.
   ================================================================= */
:root {
  --bg: #F3F5F9;
  --surface: #FFFFFF;
  --surface-2: #F5F7FB;
  --ink: #0F172A;
  --ink-2: #334155;
  --muted: #64748B;
  --line: #E4E8EF;
  --line-strong: #CBD3DF;
  --brand: #1D4ED8;
  --brand-ink: #1D4ED8;
  --brand-soft: rgba(29, 78, 216, .08);
  --ok: #15803D;
  --ok-soft: rgba(21, 128, 61, .1);
  --warn: #A16207;
  --warn-soft: rgba(202, 138, 4, .12);
  --err: #B91C1C;
  --err-soft: rgba(185, 28, 28, .08);
  --btn: #1D4ED8;
  --btn-ink: #FFFFFF;
  --focus: #2563EB;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 28px -16px rgba(15, 23, 42, .18);
  --shadow-buyuk: 0 2px 6px rgba(15, 23, 42, .05), 0 24px 56px -24px rgba(15, 23, 42, .3);
  --radius: 16px;
  --f: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --baslik: "Sora", "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1020; --surface: #111A2D; --surface-2: #16213A; --ink: #E8EDF7; --ink-2: #B9C3D6; --muted: #8592AB;
    --line: #1E2A44; --line-strong: #2C3B5C; --brand: #3B82F6; --brand-ink: #93B8FF; --brand-soft: rgba(96, 150, 255, .13);
    --ok: #4ADE80; --ok-soft: rgba(74, 222, 128, .12); --warn: #FACC15; --warn-soft: rgba(250, 204, 21, .12);
    --err: #F87171; --err-soft: rgba(248, 113, 113, .12); --btn: #3B82F6; --btn-ink: #FFFFFF; --focus: #60A5FA;
    --shadow: 0 1px 0 rgba(255, 255, 255, .03) inset; --shadow-buyuk: 0 24px 56px -24px rgba(0, 0, 0, .7); color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--f); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { margin: 0; line-height: 1.2; text-wrap: balance; font-family: var(--baslik); font-weight: 600; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; }
[hidden] { display: none !important; }
.mono { font-family: var(--mono); font-size: .92em; }
.soluk { color: var(--muted); }
.kucuk { font-size: 13px; }
.sayi { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- düğmeler ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 16px; border-radius: 11px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink); font: 600 14px/1 var(--f); text-decoration: none; cursor: pointer;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
  transition: background-color .15s, border-color .15s, box-shadow .15s, opacity .15s, transform .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.btn-birincil { background: var(--btn); color: var(--btn-ink); border-color: transparent; box-shadow: 0 1px 2px rgba(29, 78, 216, .2), 0 6px 16px -8px rgba(29, 78, 216, .6); }
.btn-birincil:hover { background: var(--btn); border-color: transparent; filter: brightness(1.08); }
.btn-vurgu { background: linear-gradient(135deg, #2563EB, #1E40AF); color: #fff; border-color: transparent; box-shadow: 0 6px 18px -8px rgba(37, 99, 235, .7); }
.btn-vurgu:hover { border-color: transparent; filter: brightness(1.08); background: linear-gradient(135deg, #2563EB, #1E40AF); }
.btn-tehlike { color: var(--err); border-color: color-mix(in srgb, var(--err) 35%, transparent); }
.btn-tehlike:hover { background: var(--err-soft); border-color: var(--err); }
.btn-hayalet { border-color: transparent; background: transparent; box-shadow: none; }
.btn-hayalet:hover { background: var(--surface-2); border-color: transparent; }
.btn-kucuk { min-height: 34px; padding: 0 12px; font-size: 13px; border-radius: 9px; }
.btn-tam { width: 100%; }
.btn.yukleniyor { position: relative; color: transparent !important; pointer-events: none; }
.btn.yukleniyor::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid currentColor; border-color: var(--muted) transparent var(--muted) transparent; animation: don .8s linear infinite;
}
@keyframes don { to { transform: rotate(360deg); } }

/* ---------- form ---------- */
.alan { display: grid; gap: 6px; min-width: 0; }
.alan > span:first-child { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.alan .ipucu { font-size: 12.5px; color: var(--muted); line-height: 1.45; }
.alan .ipucu a { color: var(--brand-ink); }
.alan .hata-metni { font-size: 12.5px; color: var(--err); }
input[type="text"], input[type="email"], input[type="tel"], input[type="url"], input[type="password"], input[type="search"],
input[type="number"], input:not([type]), select, textarea {
  width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink); font: 15px/1.4 var(--f); transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
input:hover, select:hover, textarea:hover { border-color: var(--muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 4px var(--brand-soft); }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--err); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .75; }
.izgara { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.onay-kutusu { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.onay-kutusu input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--brand); flex: none; }

/* ---------- yüzeyler ---------- */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 16px; min-width: 0; box-shadow: var(--shadow); }
.panel-baslik { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.panel-baslik h2 { font-size: 16px; }
.panel-baslik p { color: var(--muted); font-size: 13.5px; flex-basis: 100%; }

.cip { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.6; white-space: nowrap;
       background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); }
.cip.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.cip.uyari { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.cip.hata { background: var(--err-soft); color: var(--err); border-color: transparent; }
.cip .nokta { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.bant { display: flex; gap: 12px; align-items: flex-start; padding: 13px 15px; border-radius: 12px; font-size: 14px; line-height: 1.5; border: 1px solid transparent; }
.bant .icon { margin-top: 1px; }
.bant.uyari { background: var(--warn-soft); color: var(--ink); border-color: color-mix(in srgb, var(--warn) 22%, transparent); }
.bant.uyari .icon { color: var(--warn); }
.bant.bilgi { background: var(--brand-soft); color: var(--ink-2); border-color: color-mix(in srgb, var(--brand) 16%, transparent); }
.bant.bilgi .icon { color: var(--brand-ink); }
.bant.hata { background: var(--err-soft); color: var(--ink); border-color: color-mix(in srgb, var(--err) 22%, transparent); }
.bant.hata .icon { color: var(--err); }
.bant.ok { background: var(--ok-soft); color: var(--ink); border-color: color-mix(in srgb, var(--ok) 22%, transparent); }
.bant.ok .icon { color: var(--ok); }
.bant b { font-weight: 650; }

/* ---------- avatar ---------- */
.avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(145deg, #DCE6FB, #C3D3F5); display: grid; place-items: center;
          font: 600 13px/1 var(--baslik); color: #1E3A8A; overflow: hidden; flex: none; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.buyuk { width: 88px; height: 88px; font-size: 26px; }
@media (prefers-color-scheme: dark) { .avatar { background: linear-gradient(145deg, #23345C, #1A2747); color: #BFD3FF; } }

/* ---------- bildirim ve iletişim kutusu ---------- */
.bildirim { position: fixed; left: 50%; bottom: calc(84px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
            background: #0F172A; color: #fff; padding: 11px 16px; border-radius: 12px; font-weight: 600; font-size: 14px; z-index: 100;
            transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px); box-shadow: var(--shadow-buyuk); }
.bildirim.goster { opacity: 1; transform: translate(-50%, 0); }
.bildirim.hata { background: var(--err); color: #fff; }

dialog.kutu { border: 1px solid var(--line); border-radius: 18px; padding: 0; background: var(--surface); color: var(--ink); width: min(460px, calc(100vw - 32px)); box-shadow: var(--shadow-buyuk); }
dialog.kutu::backdrop { background: rgba(10, 16, 32, .55); backdrop-filter: blur(3px); }
dialog.kutu .kutu-ic { padding: 22px; display: grid; gap: 14px; }
dialog.kutu h2 { font-size: 18px; }
dialog.kutu .kutu-dugmeler { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation-duration: 0s !important; } }