/* فونت‌های محلی — همان خانوادهٔ Flutter (YekanBakhFaNum / Roboto)
   WOFF2 برای مسیر بحرانی؛ font-display:swap تا متن با فونت سیستم دیده شود. */
@font-face {
  font-family: 'YekanBakhFaNum';
  src: url('fonts/YekanBakhFaNum-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'YekanBakhFaNum';
  src: url('fonts/YekanBakhFaNum-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'YekanBakhFaNum';
  src: url('fonts/YekanBakhFaNum-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('fonts/roboto.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --brand: #0F4C81;
  --brand-soft: rgba(15, 76, 129, 0.14);
}

html[data-loader-theme='light'] {
  --loader-bg: #f6f8fc;
  --loader-fg: #0f1c2e;
  --loader-muted: #5a6d82;
  --loader-logo-bg: #ffffff;
  --loader-logo-shadow: 0 8px 32px rgba(15, 76, 129, 0.1);
  --loader-track: rgba(15, 76, 129, 0.1);
  --loader-fill: #0F4C81;
  --loader-quote-bg: rgba(15, 76, 129, 0.06);
}

html[data-loader-theme='dark'] {
  --loader-bg: #0a1018;
  --loader-fg: #eef3f9;
  --loader-muted: #9aadc0;
  --loader-logo-bg: rgba(255, 255, 255, 0.06);
  --loader-logo-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --loader-track: rgba(255, 255, 255, 0.1);
  --loader-fill: #4a9fd4;
  --loader-quote-bg: rgba(255, 255, 255, 0.05);
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  overflow: hidden;
  background: var(--loader-bg);
  min-height: var(--app-height, 100vh);
}

html[lang='fa'] body,
html[dir='rtl'] body {
  font-family: 'YekanBakhFaNum', Tahoma, sans-serif;
}

html[lang='en'] body,
html[dir='ltr'] body {
  font-family: 'Roboto', 'Segoe UI', sans-serif;
}

body.flutter-ready {
  overflow: auto;
  background: #fff;
}

@supports (height: 100dvh) {
  body { min-height: 100dvh; }
}

flt-glass-pane, flt-scene-host {
  width: 100% !important;
  height: 100% !important;
}

#flutter-loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
  background: var(--loader-bg);
  transition: opacity 0.38s ease, visibility 0.38s ease;
}

html[lang='fa'] #flutter-loading-screen,
html[dir='rtl'] #flutter-loading-screen {
  font-family: 'YekanBakhFaNum', Tahoma, sans-serif;
}

html[lang='en'] #flutter-loading-screen,
html[dir='ltr'] #flutter-loading-screen {
  font-family: 'Roboto', 'Segoe UI', sans-serif;
}

#flutter-loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-center {
  width: min(100%, 300px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.loader-logo-wrap {
  width: 76px;
  height: 76px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: var(--loader-logo-bg);
  box-shadow: var(--loader-logo-shadow);
  border: 1px solid var(--brand-soft);
}

.loader-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.loader-title {
  margin: 0;
  color: var(--loader-fg);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.loader-tagline {
  margin: 10px 0 0;
  color: var(--loader-muted);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.55;
  max-width: 260px;
}

.loader-progress-block {
  width: 100%;
  margin-top: 36px;
}

.loader-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  min-height: 1.2em;
}

.loader-step {
  color: var(--loader-muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.loader-step:empty {
  display: none;
}

.loader-percent {
  color: var(--loader-fill);
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.loader-percent:empty {
  display: none;
}

.loader-progress-track {
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--loader-track);
  overflow: hidden;
}

.loader-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--loader-fill);
  transition: width 0.22s ease-out;
}

.loader-progress-track.is-indeterminate .loader-progress-bar {
  width: 32% !important;
  animation: loaderSlide 1.1s ease-in-out infinite;
}

.loader-status {
  margin: 14px 0 0;
  color: var(--loader-muted);
  font-size: 0.8125rem;
  font-weight: 400;
  min-height: 1.25em;
}

.loader-spinner {
  width: 28px;
  height: 28px;
  margin-top: 20px;
  border: 2px solid var(--loader-track);
  border-top-color: var(--loader-fill);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-spinner[hidden] {
  display: none !important;
}

#flutter-loading-screen.has-definite-progress .loader-spinner {
  display: none !important;
}

.loader-quote {
  display: none;
  margin: 20px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--loader-quote-bg);
  color: var(--loader-muted);
  font-size: 0.78rem;
  line-height: 1.65;
  max-width: 280px;
}

#flutter-loading-screen.is-slow .loader-quote {
  display: block;
}

#loader-retry-wrap {
  margin-top: 18px;
}

#loader-retry-wrap[hidden] {
  display: none !important;
}

#loader-retry-btn {
  background: transparent;
  border: 1px solid var(--brand-soft);
  color: var(--loader-muted);
  border-radius: 10px;
  padding: 8px 18px;
  font: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

#loader-retry-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes loaderSlide {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(380%); }
}

@media (prefers-reduced-motion: reduce) {
  #flutter-loading-screen { transition: none; }
  .loader-spinner,
  .loader-progress-track.is-indeterminate .loader-progress-bar {
    animation: none;
  }
}