/* AVTO TECH Mini App — Telegram mavzusiga moslashadi (--tg-theme-*), tashqarida esa brend ranglari. */

:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Telegramdan tashqarida ishlatiladigan zaxira ranglar (yorug') */
  --fb-bg: #f8f9fc;
  --fb-text: #1b1f2a;
  --fb-hint: #6b7690;
  --fb-accent: #2d3b91;
  --fb-accent-fg: #ffffff;
  --fb-mark: #283890;
  --fb-line: rgba(27, 31, 42, 0.11);
  color-scheme: light;
}
:root[data-scheme="dark"] {
  --fb-bg: #1b1f2e;
  --fb-text: #e9ecf6;
  --fb-hint: #8c95b1;
  --fb-accent: #8d9bf5;
  --fb-accent-fg: #10142a;
  --fb-mark: #8d9bf5;
  --fb-line: rgba(233, 236, 246, 0.13);
  color-scheme: dark;
}

:root {
  --bg: var(--tg-theme-bg-color, var(--fb-bg));
  --text: var(--tg-theme-text-color, var(--fb-text));
  --hint: var(--tg-theme-hint-color, var(--fb-hint));
  --accent: var(--tg-theme-button-color, var(--fb-accent));
  --accent-fg: var(--tg-theme-button-text-color, var(--fb-accent-fg));
  --mark: var(--fb-mark);
  --line: var(--fb-line);

  /* sahna foni: markazda yorug'lik, chetlarda qorayish */
  --stage-in: var(--bg);
  --stage-out: var(--bg);
  --glass: var(--bg);

  --safe-top: calc(var(--tg-safe-area-inset-top, 0px) + var(--tg-content-safe-area-inset-top, 0px));
}
@supports (color: color-mix(in srgb, red, blue)) {
  :root {
    --stage-in: var(--bg);
    --stage-out: color-mix(in srgb, var(--bg), var(--text) 9%);
    --glass: color-mix(in srgb, var(--bg) 80%, transparent);
  }
  :root[data-scheme="dark"] {
    --stage-in: color-mix(in srgb, var(--bg), var(--text) 13%);
    --stage-out: var(--bg);
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: var(--tg-viewport-stable-height, 100dvh);
}

/* ---------- 3D sahna ---------- */
.stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  background: radial-gradient(95% 75% at 50% 40%, var(--stage-in) 0%, var(--stage-out) 100%);
}
#gl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
  outline: none;
  opacity: 1;
  transition: opacity 0.45s ease;
}
#gl:active { cursor: grabbing; }
.stage[data-state="loading"] #gl,
.stage[data-state="error"] #gl { opacity: 0; }

/* logotip: belgi — brend rangida, yozuv — mavzu matn rangida */
.brand {
  position: absolute;
  left: 16px;
  top: calc(14px + var(--safe-top));
  pointer-events: none;
}
.logo {
  position: relative;
  display: block;
  height: 22px;
  aspect-ratio: 3.918;
}
.logo i {
  position: absolute;
  inset: 0;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.logo-mark {
  background: var(--mark);
  -webkit-mask-image: url("logo-mark.svg");
  mask-image: url("logo-mark.svg");
}
.logo-text {
  background: var(--text);
  -webkit-mask-image: url("logo-text.svg");
  mask-image: url("logo-text.svg");
}

/* boshqaruv tugmalari */
.tools {
  position: absolute;
  right: 14px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tool {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--text);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, transform 0.15s;
}
.tool:active { transform: scale(0.94); }
.tool[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}

.hint {
  position: absolute;
  left: 16px;
  bottom: 18px;
  max-width: calc(100% - 96px);
  margin: 0;
  padding: 8px 12px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--hint);
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.hint.show { opacity: 1; transform: none; }

/* yuklanish / xato */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  text-align: center;
  color: var(--hint);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.stage[data-state="loading"] .loader { opacity: 1; }
.stage[data-state="error"] .error { opacity: 1; pointer-events: auto; }
.error p { margin: 0; max-width: 280px; color: var(--text); }

.spinner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.85s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.btn {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 11px 22px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
}
.btn[hidden] { display: none; }

/* ---------- Pastdagi nom paneli ---------- */
.info {
  flex: 0 0 auto;
  position: relative;
  z-index: 1;
  background: var(--bg);
  border-radius: 22px 22px 0 0;
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.07);
  padding: 20px 20px calc(24px + env(safe-area-inset-bottom, 0px));
}
.info-inner { max-width: 560px; margin: 0 auto; }
.info h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}
.info p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--hint);
}
.info p[hidden] { display: none; }

.parts {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.parts::-webkit-scrollbar { display: none; }
.parts[hidden] { display: none; }
.chip {
  flex: 0 0 auto;
  font: inherit;
  font-size: 14px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}
.chip[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}

button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: 2.5s !important; }
}