* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg: var(--tg-theme-bg-color, #0f1115);
  --text: var(--tg-theme-text-color, #f2f3f5);
  --hint: var(--tg-theme-hint-color, #8a919e);
  --card: var(--tg-theme-secondary-bg-color, #1a1d24);
  --button: var(--tg-theme-button-color, #3390ec);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: #e5484d;
  --warn: #f5a623;
  --accent: #9a6cf0;
  --ok: #30a46c;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app { max-width: 480px; margin: 0 auto; padding: 16px; }

.screen { display: none; animation: fadeIn 0.2s ease; }
.screen.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Hero */
.hero { text-align: center; padding: 24px 0 20px; }
.hero-icon { font-size: 52px; }
.hero h1 { font-size: 26px; margin-top: 8px; letter-spacing: 0.5px; }
.subtitle { color: var(--hint); margin-top: 4px; font-size: 14px; }

/* Menu */
.menu { display: flex; flex-direction: column; gap: 12px; }
.menu-btn {
  display: flex; align-items: center; gap: 14px;
  width: 100%; padding: 16px; border: none; border-radius: 16px;
  background: var(--card); color: var(--text);
  font-size: 15px; text-align: left; cursor: pointer;
  border-left: 4px solid var(--button);
  transition: transform 0.1s ease;
}
.menu-btn:active { transform: scale(0.98); }
.menu-btn.danger { border-left-color: var(--danger); }
.menu-btn.warn { border-left-color: var(--warn); }
.menu-btn.accent { border-left-color: var(--accent); }
.menu-icon { font-size: 26px; }
.menu-text { display: flex; flex-direction: column; gap: 2px; }
.menu-text small { color: var(--hint); font-weight: 400; font-size: 12.5px; }

/* Screens */
h2 { font-size: 20px; margin: 12px 0 8px; }
.hint { color: var(--hint); font-size: 14px; margin-bottom: 16px; line-height: 1.4; }
.back-btn {
  background: none; border: none; color: var(--button);
  font-size: 15px; padding: 8px 0; cursor: pointer;
}

.plate-input {
  width: 100%; padding: 14px 16px; font-size: 20px; letter-spacing: 2px;
  text-transform: uppercase; text-align: center;
  border: 1.5px solid var(--card); border-radius: 14px;
  background: var(--card); color: var(--text); outline: none;
  margin-bottom: 14px;
}
.plate-input:focus { border-color: var(--button); }

.primary-btn {
  width: 100%; padding: 15px; border: none; border-radius: 14px;
  background: var(--button); color: var(--button-text);
  font-size: 16px; font-weight: 600; cursor: pointer;
  transition: opacity 0.15s ease;
}
.primary-btn:disabled { opacity: 0.5; }
.primary-btn:active { opacity: 0.85; }

/* Photo upload */
.photo-drop {
  display: flex; align-items: center; justify-content: center;
  min-height: 160px; border: 2px dashed var(--hint); border-radius: 16px;
  background: var(--card); cursor: pointer; overflow: hidden;
  margin-bottom: 4px; text-align: center; color: var(--hint);
}
.photo-icon { font-size: 36px; margin-bottom: 6px; }
#photo-preview { width: 100%; max-height: 260px; object-fit: cover; border-radius: 14px; }

.divider {
  display: flex; align-items: center; gap: 10px;
  color: var(--hint); font-size: 13px; margin: 14px 0;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--card); }

/* My cars */
.my-cars { margin-top: 24px; }
.my-cars h3 { font-size: 14px; color: var(--hint); margin-bottom: 10px; font-weight: 500; }
.car-row {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px;
  font-size: 17px; letter-spacing: 1.5px;
}
.car-del {
  background: none; border: none; color: var(--danger);
  font-size: 18px; cursor: pointer; padding: 4px 8px;
}

/* Result */
.result { text-align: center; padding-top: 48px; }
.result-icon { font-size: 64px; margin-bottom: 16px; }
.result p { color: var(--hint); margin: 10px 0 28px; line-height: 1.5; }

/* Toast & loader */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card); color: var(--text); padding: 12px 20px;
  border-radius: 12px; font-size: 14px; box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 100; max-width: 90%;
}
.loader {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; z-index: 200; color: #fff; font-size: 15px;
}
.spinner {
  width: 42px; height: 42px; border: 4px solid rgba(255,255,255,0.25);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }