:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #000000);
  --hint: var(--tg-theme-hint-color, #999999);
  --link: var(--tg-theme-link-color, #2481cc);
  --button: var(--tg-theme-button-color, #2481cc);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #f1f1f1);
  --section-bg: var(--tg-theme-section-bg-color, #ffffff);
  --destructive: var(--tg-theme-destructive-text-color, #ff3b30);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
               "Cairo", "Tajawal", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 32px 20px 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.view {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  animation: fadeIn 0.2s ease;
}

.view.hidden { display: none; }

.icon-big {
  font-size: 56px;
  text-align: center;
  margin-bottom: 4px;
}

h1 {
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  margin: 0;
}

.muted {
  color: var(--hint);
  text-align: center;
  font-size: 14px;
  margin: 0 0 8px;
  line-height: 1.5;
}

input[type=tel],
input[type=text],
input[type=password] {
  background: var(--secondary-bg);
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 17px;
  width: 100%;
  outline: none;
  text-align: center;
  letter-spacing: 1px;
  transition: border-color 0.15s;
}

input:focus { border-color: var(--button); }

.btn {
  display: block;
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.05s;
  font-family: inherit;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--button);
  color: var(--button-text);
}

.btn-ghost {
  background: transparent;
  color: var(--link);
}

.btn-danger {
  background: transparent;
  color: var(--destructive);
  border: 1px solid var(--destructive);
}

.error {
  color: var(--destructive);
  font-size: 13px;
  text-align: center;
  margin: 0;
}

.error.hidden { display: none; }

.phone-pill {
  background: var(--secondary-bg);
  border-radius: 10px;
  padding: 10px 14px;
  text-align: center;
  font-size: 15px;
  font-weight: 500;
  direction: ltr;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--secondary-bg);
  border-top-color: var(--button);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }