/* SMS Forms loader — static assets alongside index.html */

:root {
  color-scheme: light dark;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius-sm: 0.5rem;
  --radius-lg: 1rem;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.06), 0 12px 40px rgb(15 23 42 / 0.1);
  --transition: 180ms ease;

  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-secondary: #334155;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --error: #be123c;
  --spinner-track: #e2e8f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --text-secondary: #cbd5e1;
    --border: #334155;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --error: #fb7185;
    --spinner-track: #334155;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.25), 0 12px 40px rgb(0 0 0 / 0.35);
  }
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2rem);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  background: var(--bg-body);
  background-image: radial-gradient(
    120% 80% at 50% 0%,
    rgb(37 99 235 / 0.08),
    transparent 55%
  );
  color: var(--text);
}

@media (prefers-color-scheme: dark) {
  body {
    background-image: radial-gradient(
      120% 80% at 50% 0%,
      rgb(59 130 246 / 0.12),
      transparent 55%
    );
  }
}

.card {
  width: min(92vw, 28rem);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 2rem);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card[data-state="error"] {
  border-color: color-mix(in srgb, var(--error) 35%, var(--border));
}

.title {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.status {
  margin: 0.75rem 0 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

.step {
  margin-top: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.spinner-wrap {
  margin-top: 1.25rem;
  min-height: 2rem;
  display: flex;
  align-items: center;
}

.card[data-state="error"] .spinner-wrap {
  display: none;
}

.spinner {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  border: 3px solid var(--spinner-track);
  border-top-color: var(--accent);
  animation: spin 0.85s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
    border-top-color: var(--accent);
    opacity: 0.85;
  }
}

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

.error {
  color: var(--error);
  margin-top: 1rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.error[hidden] {
  display: none !important;
}

.actions {
  margin-top: 1.25rem;
}

.actions[hidden] {
  display: none !important;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--bg-card);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.625rem 1rem;
  cursor: pointer;
  transition: background var(--transition), transform 80ms ease;
}

.button:hover {
  background: var(--accent-hover);
  color: #fff;
}

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

.button:active {
  transform: scale(0.98);
}

@media (prefers-color-scheme: dark) {
  .button {
    background: var(--accent);
    color: #fff;
  }

  .button:hover {
    background: var(--accent-hover);
  }
}