/* ASH ortak tasarım katmanı: renk/ölçü değişkenleri, keycap, buton, segment, anahtar. */
:root {
  --scale: 1.25;
  font-size: calc(16px * var(--scale));
  color-scheme: dark;

  --bg: #121216;
  --surface: #1a1a20;
  --surface-2: #212128;
  --surface-3: #2a2a33;
  --border: #2b2b35;
  --border-strong: #3a3a47;
  --text: #ececf1;
  --text-dim: #a3a3b0;
  --text-faint: #6e6e7c;
  --accent: #a78bfa;
  --accent-strong: #c4b5fd;
  --accent-ink: #1d1830;
  --accent-soft: rgb(167 139 250 / 0.14);
  --danger: #f87171;
  --danger-soft: rgb(248 113 113 / 0.12);
  --ok: #4ade80;
  --ok-soft: rgb(74 222 128 / 0.12);
  --warn: #fbbf24;

  --key-top: #34343f;
  --key-bottom: #2a2a33;
  --key-border: #464652;
  --key-edge: #141418;
  --key-text: #e8e8ee;

  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --shadow: 0 0.75rem 2rem rgb(0 0 0 / 0.45);
  --ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Cantarell, sans-serif;
  --row-pad: 0.5rem;

  /* Yeni sekme arka planı (Aurora/Gece) ve cam kartlar */
  --wall-base: #0c0a1d;
  --wall-a: #6d28d9;
  --wall-b: #2563eb;
  --wall-c: #c026d3;
  --glass: rgb(22 20 36 / 0.62);
  --glass-strong: rgb(30 28 46 / 0.86);
  --glass-border: rgb(255 255 255 / 0.07);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f6f9;
  --surface: #ffffff;
  --surface-2: #f1f1f5;
  --surface-3: #e7e7ee;
  --border: #e3e3ea;
  --border-strong: #d0d0db;
  --text: #1c1c24;
  --text-dim: #5d5d6b;
  --text-faint: #9393a2;
  --accent: #7c5cf0;
  --accent-strong: #6741e6;
  --accent-ink: #ffffff;
  --accent-soft: rgb(124 92 240 / 0.1);
  --danger: #dc2626;
  --danger-soft: rgb(220 38 38 / 0.08);
  --ok: #16a34a;
  --ok-soft: rgb(22 163 74 / 0.1);
  --warn: #d97706;
  --key-top: #ffffff;
  --key-bottom: #f1f1f5;
  --key-border: #d4d4de;
  --key-edge: #b9b9c6;
  --key-text: #2a2a35;
  --shadow: 0 0.75rem 2rem rgb(30 30 50 / 0.14);
  --wall-base: #ece9fb;
  --wall-a: #c4b5fd;
  --wall-b: #93c5fd;
  --wall-c: #f0abfc;
  --glass: rgb(255 255 255 / 0.66);
  --glass-strong: rgb(255 255 255 / 0.9);
  --glass-border: rgb(30 30 50 / 0.08);
}

:root[data-density="compact"] { --row-pad: 0.3rem; }

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 0.8125rem/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.icon { width: 1.05rem; height: 1.05rem; flex-shrink: 0; }
.icon.is-brand { transform: scale(0.86); } /* dolgu logolar çizgi ikonlardan ağır görünür */

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

/* ---------- Keycap ---------- */
.keys { display: inline-flex; align-items: center; gap: 0.25rem; flex-shrink: 0; }
.keys-empty { color: var(--text-faint); font-size: 0.72rem; font-style: italic; }
.keys-sep { color: var(--text-faint); font-size: 0.7rem; }

.key {
  display: inline-grid;
  place-items: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 0.4rem;
  font: 600 0.68rem/1 var(--font);
  letter-spacing: 0.01em;
  color: var(--key-text);
  background: linear-gradient(180deg, var(--key-top), var(--key-bottom));
  border: 1px solid var(--key-border);
  border-radius: 0.375rem;
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 0.07),
    0 2px 0 var(--key-edge),
    0 3px 6px rgb(0 0 0 / 0.25);
  transform: translateY(-1px);
}
.key.is-symbol { font-size: 0.8rem; font-weight: 500; }
.keys-sm .key { min-width: 1.25rem; height: 1.25rem; font-size: 0.6rem; padding: 0 0.3rem; }
.keys-lg .key { min-width: 2rem; height: 2rem; font-size: 0.8rem; padding: 0 0.55rem; border-radius: 0.45rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  height: 2rem; padding: 0 0.8rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 500; font-size: 0.78rem; white-space: nowrap; flex-shrink: 0;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { background: var(--surface-3); }
.btn .icon { width: 0.95rem; height: 0.95rem; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: transparent; }
.btn-danger:hover { background: var(--danger-soft); }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 1.9rem; height: 1.9rem;
  border: 1px solid transparent; border-radius: 999px;
  background: transparent; color: var(--text-dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: var(--surface-3); color: var(--text); }
.icon-btn.is-on { color: var(--accent); }
.icon-btn.is-on .icon { fill: currentColor; }
.icon-btn.is-danger:hover { color: var(--danger); background: var(--danger-soft); }

/* ---------- Segmented control ---------- */
.segmented {
  display: inline-flex; gap: 0.15rem; padding: 0.2rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.segmented button {
  display: inline-flex; align-items: center; gap: 0.35rem;
  height: 1.7rem; padding: 0 0.75rem;
  border: 0; border-radius: 999px;
  background: transparent; color: var(--text-dim);
  font-size: 0.75rem; font-weight: 500; white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.segmented button:hover { color: var(--text); }
.segmented button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.25), inset 0 0 0 1px var(--border-strong);
}
.segmented .icon { width: 0.9rem; height: 0.9rem; }

/* ---------- Toggle switch ---------- */
.switch { position: relative; display: inline-block; width: 2.3rem; height: 1.3rem; flex-shrink: 0; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.switch span {
  position: absolute; inset: 0;
  background: var(--surface-3); border: 1px solid var(--border-strong);
  border-radius: 999px; transition: background 0.15s; pointer-events: none;
}
.switch span::after {
  content: ""; position: absolute; top: 50%; left: 0.15rem;
  width: 0.9rem; height: 0.9rem; border-radius: 50%;
  background: var(--text-dim); transform: translateY(-50%);
  transition: transform 0.18s, background 0.15s;
}
.switch input:checked + span { background: var(--accent); border-color: var(--accent); }
.switch input:checked + span::after { background: var(--accent-ink); transform: translate(1rem, -50%); }
.switch input:focus-visible + span { box-shadow: var(--ring); }

/* ---------- Inputs ---------- */
.field {
  width: 100%; height: 2.1rem; padding: 0 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s;
}
.field:focus { outline: none; border-color: var(--accent); }
textarea.field { height: auto; min-height: 4rem; padding: 0.5rem 0.75rem; resize: vertical; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 1.25rem;
  transform: translate(-50%, 1rem);
  padding: 0.55rem 1rem;
  background: var(--surface-3); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 0.78rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}