/*
 * Theme tokens and global resets for the renewal monitoring UI.
 * Defines a minimalist design system with light and dark variants.
 */

:root {
  color-scheme: light dark;
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;

  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-standard);
  --transition-medium: 240ms var(--ease-standard);
  --transition-slow: 400ms var(--ease-standard);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.75rem;

  --radius-xs: 0.35rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 8px 16px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 16px 32px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.16);

  --color-brand: #0ea5e9;
  --color-brand-strong: #0369a1;
  --color-brand-soft: rgba(14, 165, 233, 0.12);
  --color-surface-page: #f8fafc;
  --color-surface-card: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-surface-overlay: rgba(15, 23, 42, 0.55);
  --color-surface-modal: #0f172a;
  --color-border-subtle: rgba(15, 23, 42, 0.08);
  --color-border-strong: rgba(15, 23, 42, 0.16);
  --color-text-primary: #0f172a;
  --color-text-secondary: rgba(15, 23, 42, 0.68);
  --color-text-inverse: #f8fafc;
  --color-modal-foreground: #f8fafc;
  --color-status-success: #16a34a;
  --color-status-success-soft: rgba(34, 197, 94, 0.16);
  --color-status-warning: #b45309;
  --color-status-warning-soft: rgba(245, 158, 11, 0.18);
  --color-status-danger: #b91c1c;
  --color-status-danger-soft: rgba(239, 68, 68, 0.18);
  --color-status-neutral: #475569;
  --color-status-neutral-soft: rgba(148, 163, 184, 0.22);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-surface-page: #0b1220;
    --color-surface-card: rgba(15, 23, 42, 0.78);
    --color-surface-muted: rgba(15, 23, 42, 0.6);
    --color-surface-overlay: rgba(2, 6, 23, 0.65);
    --color-surface-modal: rgba(12, 19, 38, 0.94);
    --color-border-subtle: rgba(148, 163, 184, 0.14);
    --color-border-strong: rgba(148, 163, 184, 0.32);
    --color-text-primary: #e2e8f0;
    --color-text-secondary: rgba(226, 232, 240, 0.72);
    --color-text-inverse: #0f172a;
    --color-modal-foreground: #f8fafc;
    --color-status-success-soft: rgba(34, 197, 94, 0.25);
    --color-status-warning-soft: rgba(245, 158, 11, 0.28);
    --color-status-danger-soft: rgba(239, 68, 68, 0.28);
    --color-status-neutral: #cbd5f5;
    --color-status-neutral-soft: rgba(148, 163, 184, 0.3);
    --shadow-sm: 0 12px 24px rgba(2, 6, 23, 0.45);
    --shadow-md: 0 18px 32px rgba(2, 6, 23, 0.55);
    --shadow-lg: 0 30px 60px rgba(2, 6, 23, 0.55);
  }
}

body {
  background: radial-gradient(circle at top, rgba(14, 165, 233, 0.12), transparent 60%), var(--color-surface-page);
  color: var(--color-text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: clamp(1.5rem, 4vw, 4rem) clamp(1rem, 3vw, 3rem) clamp(3.5rem, 6vw, 5.5rem);
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

body,
input,
select,
textarea,
button {
  font-family: var(--font-sans);
}

main {
  width: 100%;
}

::selection {
  color: var(--color-text-inverse);
  background: var(--color-brand);
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

a {
  color: var(--color-brand);
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-brand-strong);
}

button,
[role="button"] {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

input,
select,
textarea {
  border-color: var(--color-border-subtle);
  background-color: var(--color-surface-card);
  color: inherit;
  box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.04);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-secondary);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

@media (prefers-color-scheme: dark) {
  input,
  select,
  textarea {
    background-color: rgba(15, 23, 42, 0.8);
    box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.3);
  }
}

:focus-visible {
  outline: 3px solid rgba(14, 165, 233, 0.45);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  body {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 768px) {
  body {
    padding: 1.5rem clamp(1rem, 6vw, 1.75rem) 3.75rem;
  }
}