:root {
  color-scheme: light dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--surface-base, #ffffff);
  color: var(--text-primary, #1a1a1a);
  font-family: var(--font-family-sans, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

button {
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

.loading-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 520px;
  width: 100%;
  text-align: center;
}

.loading-logo {
  width: 180px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.18));
}

.loading-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.loading-title {
  font-size: 2.8rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary, #1a1a1a);
}

.loading-status {
  margin: 0;
  font-size: 1rem;
  color: var(--text-muted, #666666);
}

.loading-card {
  margin-top: 12px;
  width: 100%;
  max-width: 420px;
  padding: 22px;
  border-radius: 18px;
  background: var(--surface-secondary, #f5f5f5);
  border: 1px solid var(--border-base, #e0e0e0);
  box-shadow: var(--panel-shadow-strong, 0 25px 60px rgba(0, 0, 0, 0.16));
}

.loading-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 0.95rem;
}

.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--text-primary, #1a1a1a) 14%, transparent);
  border-top-color: var(--accent-primary, #0066ff);
  animation: spin 0.9s linear infinite;
}

.phrase-controls {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-muted, #666666);
}

.phrase-controls button {
  color: var(--accent-primary, #0066ff);
  cursor: pointer;
}

.loading-error {
  margin-top: 12px;
  color: var(--status-error, #dc2626);
  font-size: 0.95rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
  }

  :root:not([data-theme="light"]) body {
    background-color: var(--surface-base, #0f141f);
    color: var(--text-primary, #cfd4dc);
  }

  :root:not([data-theme="light"]) .loading-logo {
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.45));
  }

  :root:not([data-theme="light"]) .loading-title {
    color: var(--text-primary, #f4f6fb);
  }

  :root:not([data-theme="light"]) .loading-status {
    color: var(--text-muted, #aeb3c4);
  }

  :root:not([data-theme="light"]) .loading-card {
    background: rgba(13, 16, 24, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
  }

  :root:not([data-theme="light"]) .spinner {
    border: 2px solid rgba(255, 255, 255, 0.18);
    border-top-color: var(--accent-primary, #6ce3ff);
  }

  :root:not([data-theme="light"]) .phrase-controls {
    color: var(--text-muted, #8f96a9);
  }

  :root:not([data-theme="light"]) .loading-error {
    color: var(--status-error, #ff9ea9);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}