/* Ortak tasarım belirteçleri ve temel bileşenler (ana sayfa + admin paneli) */
:root {
  --bg: #eef4f6;
  --surface: #ffffff;
  --surface-2: #f7f8fb;
  --text: #1f2d3a;
  --muted: #5d6f7d;
  --border: #d8e3e8;
  --primary: #006ba6;
  --primary-hover: #005a8c;
  --primary-soft: #e4f1f8;
  --primary-ink: #ffffff;
  --brand-dark: #263746;
  --t3-red: #da291c;
  --t3-blue: #006ba6;
  --t3-yellow: #ffb81c;
  --t3-strip: linear-gradient(90deg, var(--t3-red) 0 33.4%, var(--t3-blue) 33.4% 66.7%, var(--t3-yellow) 66.7%);
  --accent: #da291c;
  --ok: #0f8a4f;
  --ok-soft: #e3f5ec;
  --warn: #a15c07;
  --warn-soft: #fdf1dc;
  --danger: #c0262d;
  --danger-soft: #fde8e9;
  --idle: #6b7280;
  --idle-soft: #eef0f3;
  --shadow: 0 1px 2px rgb(15 23 42 / 6%), 0 4px 16px rgb(15 23 42 / 6%);
  --shadow-lg: 0 10px 40px rgb(15 23 42 / 22%);
  --radius: 14px;
  --radius-sm: 9px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10181f;
    --surface: #18232d;
    --surface-2: #1d2a35;
    --text: #e6eaf2;
    --muted: #97a1b3;
    --border: #2a3a47;
    --primary: #4aa8dc;
    --primary-hover: #6dbbe6;
    --primary-soft: #16303f;
    --primary-ink: #0b1120;
    --brand-dark: #1a2530;
    --ok: #3ecf8e;
    --ok-soft: #12302a;
    --warn: #f2b35b;
    --warn-soft: #3a2a12;
    --danger: #f2767b;
    --danger-soft: #3a1618;
    --idle: #97a1b3;
    --idle-soft: #1f2940;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 4px 16px rgb(0 0 0 / 25%);
    --shadow-lg: 0 10px 40px rgb(0 0 0 / 55%);
    color-scheme: dark;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: var(--primary);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.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;
}

.icon {
  width: 1.1em;
  height: 1.1em;
  flex: none;
  vertical-align: -0.18em;
}

/* Türk plakası görünümlü etiket */
.plate {
  display: inline-flex;
  align-items: stretch;
  border: 1.5px solid #1d2433;
  border-radius: 5px;
  background: #fff;
  color: #0f172a;
  font: 700 0.82rem/1 var(--mono);
  letter-spacing: 0.04em;
  overflow: hidden;
  white-space: nowrap;
}

.plate::before {
  content: 'TR';
  display: flex;
  align-items: flex-end;
  padding: 0 3px 2px;
  background: #1f4fb3;
  color: #fff;
  font-size: 0.5rem;
  letter-spacing: 0;
}

.plate span {
  padding: 4px 7px;
}

/* Rozetler */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.3;
  white-space: nowrap;
}

.badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.badge.plain::before {
  display: none;
}

.badge-ok {
  color: var(--ok);
  background: var(--ok-soft);
}

.badge-warn {
  color: var(--warn);
  background: var(--warn-soft);
}

.badge-idle {
  color: var(--idle);
  background: var(--idle-soft);
}

.badge-danger {
  color: var(--danger);
  background: var(--danger-soft);
}

.badge-primary {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Düğmeler */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.15s,
    border-color 0.15s,
    box-shadow 0.15s;
}

.btn:hover {
  background: var(--surface-2);
}

.btn:focus-visible,
.chip:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: progress;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-danger {
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
}

.btn-sm {
  min-height: 34px;
  padding: 0 11px;
  font-size: 0.88rem;
}

.btn-icon {
  width: 36px;
  min-height: 36px;
  padding: 0;
}