/*
 * LT-VMI Base — shared design tokens, resets, utilities.
 * Loaded on top of each bank's authentic stylesheet.
 * Keep small (< 12KB) — the goal is to *unify* not replace bank branding.
 */

/* ------------------------------------------------------------------ Tokens */
:root {
  --lt-color-vmi: #007a3d;
  --lt-color-vmi-dark: #005a2b;
  --lt-color-ink: #0a2540;
  --lt-color-muted: #5b6b7c;
  --lt-color-line: #e5e9ee;
  --lt-color-bg: #f5f7fa;
  --lt-color-panel: #ffffff;
  --lt-color-success: #16a34a;
  --lt-color-warn: #ea580c;
  --lt-color-error: #dc2626;

  --lt-seb:      #60cd18;
  --lt-luminor:  #5c2d91;
  --lt-citadele: #e30613;
  --lt-swedbank: #ff6a13;

  --lt-radius: 8px;
  --lt-radius-lg: 14px;
  --lt-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --lt-shadow: 0 4px 12px rgba(15, 23, 42, .08);
  --lt-shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);

  --lt-space-1: 4px;
  --lt-space-2: 8px;
  --lt-space-3: 12px;
  --lt-space-4: 16px;
  --lt-space-5: 24px;
  --lt-space-6: 32px;
  --lt-space-8: 48px;

  --lt-font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --lt-fs-xs: 12px;
  --lt-fs-sm: 14px;
  --lt-fs-md: 16px;
  --lt-fs-lg: 18px;
  --lt-fs-xl: 22px;
  --lt-fs-2xl: 28px;

  --lt-duration: .18s;
  --lt-ease: cubic-bezier(.2, .8, .2, 1);
}

/* ------------------------------------------------------------ A11y helpers */
.lt-sr-only {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.lt-skip-link {
  position: absolute;
  top: -40px; left: 8px;
  background: var(--lt-color-vmi);
  color: #fff;
  padding: 8px 12px;
  z-index: 10000;
  text-decoration: none;
  border-radius: 0 0 var(--lt-radius) var(--lt-radius);
  transition: top var(--lt-duration) var(--lt-ease);
}
.lt-skip-link:focus { top: 0; }

/* Consistent focus rings without breaking bank chrome */
:where(button, input, select, textarea, a):focus-visible {
  outline: 2px solid var(--lt-color-ink);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ------------------------------------------------------------ Transition overlay */
.lt-transition-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, .96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  z-index: 9999;
  transition: opacity var(--lt-duration) var(--lt-ease), visibility var(--lt-duration) var(--lt-ease);
}
.lt-transition-overlay.active { opacity: 1; visibility: visible; }

.lt-transition-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--lt-space-4);
  padding: var(--lt-space-6);
  min-width: 260px;
  background: #fff;
  border-radius: var(--lt-radius-lg);
  box-shadow: var(--lt-shadow-lg);
  border-top: 4px solid var(--lt-accent, var(--lt-color-vmi));
}
.lt-transition-logo {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lt-transition-logo img { max-height: 40px; width: auto; }
.lt-transition-logo span { font-weight: 700; color: var(--lt-color-ink); font-size: var(--lt-fs-lg); }

.lt-transition-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--lt-color-line);
  border-top-color: var(--lt-accent, var(--lt-color-vmi));
  border-radius: 50%;
  animation: lt-spin 720ms linear infinite;
}
.lt-transition-text {
  font-family: var(--lt-font);
  color: var(--lt-color-muted);
  font-size: var(--lt-fs-sm);
}

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

/* ------------------------------------------------------------ Error modal */
.lt-error-modal {
  position: fixed; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  background: rgba(15, 23, 42, .5);
  z-index: 10001;
}
.lt-error-modal.active { display: flex; }
.lt-error-card {
  background: #fff;
  border-radius: var(--lt-radius-lg);
  padding: var(--lt-space-6);
  max-width: 420px; width: calc(100% - 32px);
  border-top: 4px solid var(--lt-color-error);
  box-shadow: var(--lt-shadow-lg);
}
.lt-error-card h3 { margin: 0 0 var(--lt-space-2); font-size: var(--lt-fs-lg); color: var(--lt-color-ink); }
.lt-error-card p  { margin: 0 0 var(--lt-space-4); color: var(--lt-color-muted); }
.lt-error-card button {
  background: var(--lt-color-ink); color: #fff;
  border: 0; padding: 10px 18px;
  border-radius: var(--lt-radius);
  cursor: pointer; font: 500 var(--lt-fs-sm) var(--lt-font);
}

/* ------------------------------------------------------------ OTP inputs */
.lt-otp-group {
  display: flex; gap: var(--lt-space-2);
  justify-content: center;
  margin: var(--lt-space-5) 0;
}
.lt-otp-input {
  width: 52px; height: 62px;
  text-align: center;
  font-size: 26px; font-weight: 600;
  border: 2px solid var(--lt-color-line);
  border-radius: var(--lt-radius);
  background: #fff;
  color: var(--lt-color-ink);
  transition: border-color var(--lt-duration) var(--lt-ease), box-shadow var(--lt-duration) var(--lt-ease);
}
.lt-otp-input:focus {
  outline: none;
  border-color: var(--lt-accent, var(--lt-color-vmi));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--lt-accent, var(--lt-color-vmi)) 15%, transparent);
}
.lt-otp-input.filled {
  border-color: var(--lt-accent, var(--lt-color-vmi));
  background: color-mix(in srgb, var(--lt-accent, var(--lt-color-vmi)) 6%, #fff);
}

/* ------------------------------------------------------------ Countdown */
.lt-countdown-expired { color: var(--lt-color-error) !important; }

/* ------------------------------------------------------------ Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .lt-transition-overlay { transition: none; }
  .lt-transition-spinner { animation: none; border-top-color: var(--lt-accent, var(--lt-color-vmi)); }
}