/* RED LOTUS VPN brand tokens + base components. Loaded after tailwind.min.css. */

:root {
  --brand-primary: #c41e3a;
  --brand-primary-hover: #a01830;
  --brand-primary-soft: rgba(196, 30, 58, 0.12);
  --brand-primary-ring: rgba(196, 30, 58, 0.35);
  --brand-name: 'RED LOTUS VPN';

  --surface-0: #020617;  /* slate-950 */
  --surface-1: #0f172a;  /* slate-900 */
  --surface-2: #1e293b;  /* slate-800 */
  --surface-3: #334155;  /* slate-700 */
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
}

html {
  color-scheme: dark;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Focus ring (single source of truth for keyboard-visible focus). */
:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

/* Buttons. */
.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.25rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 150ms ease, border-color 150ms ease, opacity 150ms ease;
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--brand-primary-hover);
}
.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--surface-2);
  color: var(--text-primary);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-3);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--surface-3);
}
.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-2);
}

/* Inputs. */
.input {
  background-color: var(--surface-1);
  border: 1px solid var(--surface-3);
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  width: 100%;
  color: var(--text-primary);
  font-size: 1rem;  /* >=16px so iOS Safari does not auto-zoom. */
  line-height: 1.25rem;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.input::placeholder {
  color: var(--text-muted);
}
.input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-ring);
}
.input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
/* Show :user-invalid only after the user interacted (per modern UX). */
.input:user-invalid {
  border-color: #f87171;
}

/* Field label. */
.field-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

/* Form layout helper. */
.field-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Card. */
.card {
  background-color: var(--surface-1);
  border: 1px solid var(--surface-2);
  border-radius: 0.75rem;
  padding: 1rem;
}

/* Spinner. */
.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--surface-3);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pill tab. */
.tab {
  background: transparent;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border: none;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 150ms ease, border-color 150ms ease;
}
.tab:hover {
  color: var(--text-primary);
}
.tab.is-active {
  color: var(--text-primary);
  border-bottom-color: var(--brand-primary);
}

/* Toast-style alerts. */
.alert-error {
  color: #fca5a5;
  background-color: rgba(127, 29, 29, 0.18);
  border: 1px solid rgba(127, 29, 29, 0.45);
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
}
.alert-success {
  color: #86efac;
  background-color: rgba(20, 83, 45, 0.18);
  border: 1px solid rgba(20, 83, 45, 0.45);
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
}
.alert-info {
  color: #fcd34d;
  background-color: rgba(120, 53, 15, 0.18);
  border: 1px solid rgba(120, 53, 15, 0.4);
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
}

/* Tariff radio cards. */
.tariff-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 0.625rem;
  border: 1px solid var(--surface-3);
  background-color: var(--surface-1);
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease;
}
.tariff-card:hover {
  border-color: var(--brand-primary);
}
.tariff-card.is-selected {
  border-color: var(--brand-primary);
  background-color: var(--brand-primary-soft);
}
.tariff-card input[type="radio"] {
  accent-color: var(--brand-primary);
  margin-right: 0.5rem;
}

/* Code block (subscription URL). */
.code-block {
  background-color: var(--surface-0);
  border: 1px solid var(--surface-2);
  border-radius: 0.5rem;
  padding: 0.625rem 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
  font-size: 0.75rem;
  word-break: break-all;
  color: var(--text-primary);
}

/* Respect reduced motion. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}