/* Theme tokens + base UI styles (dark mode) */

:root {
  /* Colors from theme — brandbook-aligned */
  --color-primary: #00ffcc;
  --color-primary-soft: #66ffe0;
  --color-primary-muted: #00ffcc88;
  --color-secondary: #00ffcc;
  --color-background-light: #adafb1;
  --color-background-dark: #0f1115;
  --color-surface-dark: #1a1d24;
  --color-surface-light: #d4dae2;
  --color-surface-muted: #2a2f3a;
  --color-text-light: #1a1d24;
  --color-text-dark: #e6e6e6;
  --color-text-muted: #9aa0aa;
  --color-text-muted-light: #6b7280;
  --color-card-dark: #161922;
  --color-card-light: #eef1f6;
  --color-chrome-dark: #1a1d24;
  --color-chrome-light: #2a3038;
  --color-chrome: var(--color-chrome-dark);
  --color-text-on-chrome: var(--color-text-dark);
  --color-border: #00ffcc55;
  --color-accent-glow: #00ffcc33;

  /* Container colors for highlights (cyan-based, harmonizing with gray/black) */
  --color-primary-container-light: #9ee8dc;
  --color-on-primary-container-light: #003d33;
  --color-primary-container-dark: #004d40;
  --color-on-primary-container-dark: #00ffcc;

  /* Semantic colors */
  --color-error: #ff6b6b;
  --color-error-muted: #ff6b6b55;
  --color-warning: #fb923c;
  --color-warning-muted: #fb923c33;
  --color-success: var(--color-primary);

  /* Theme mode (default to dark) */
  --theme-mode: dark;

  /* Computed colors based on theme - default to dark */
  --color-background: var(--color-background-dark);
  --color-surface: var(--color-surface-dark);
  --color-text: var(--color-text-dark);
  --color-card: var(--color-card-dark);
  --color-primary-container: var(--color-primary-container-dark);
  --color-on-primary-container: var(--color-on-primary-container-dark);

  /* Layout spacing */
  --topbar-height: 52px;
  --bottomnav-height: 60px;
  --page-padding-x: 16px;
  --page-padding-y: 24px;
  /* Content max width */
  --task-layout-max-width: 50rem;

  /* Border-radius tokens */
  --radius-card: 16px;
  --radius-button: 12px;
  --radius-input: 10px;
  --radius-chip: 8px;
  --radius-small: 4px;

  /* Animations */
  --animation-duration-fast: 150ms;
  --animation-duration-normal: 200ms;
  --animation-duration-slow: 300ms;
  --animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --animation-easing-out: cubic-bezier(0, 0, 0.2, 1);
  --animation-easing-in: cubic-bezier(0.4, 0, 1, 1);
}

/* Keep the data-theme hooks in case you ever reuse this theme. */
[data-theme="dark"] {
  --theme-mode: dark;
  --color-background: var(--color-background-dark);
  --color-surface: var(--color-surface-dark);
  --color-text: var(--color-text-dark);
  --color-card: var(--color-card-dark);
  --color-chrome: var(--color-chrome-dark);
  --color-text-on-chrome: var(--color-text-dark);
  --color-text-muted-on-chrome: #9aa0aa;
  --color-primary-container: var(--color-primary-container-dark);
  --color-on-primary-container: var(--color-on-primary-container-dark);
}

[data-theme="light"] {
  --theme-mode: light;
  --color-background: var(--color-background-light);
  --color-surface: var(--color-surface-light);
  --color-text: var(--color-text-light);
  --color-card: var(--color-card-light);
  --color-chrome: var(--color-chrome-light);
  --color-text-on-chrome: #e2e4e8;
  --color-text-muted-on-chrome: #a8acb4;
  --color-primary-container: var(--color-primary-container-light);
  --color-on-primary-container: var(--color-on-primary-container-light);
  --color-text-muted: var(--color-text-muted-light);
}

/* Accessibility: visible focus rings */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  background: var(--color-background);
}

@media (min-width: 768px) {
  html {
    font-size: 17px;
  }
}

@media (min-width: 1024px) {
  html {
    font-size: 18px;
  }
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y pinch-zoom;
  overscroll-behavior-y: contain;
  -webkit-tap-highlight-color: transparent;
}

/* Layout utility */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* Skip link */
.skipLink {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 9999;
  transform: translateY(-200%);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  padding: 10px 14px;
  text-decoration: none;
}

.skipLink:focus {
  transform: translateY(0);
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition:
    background-color var(--animation-duration-fast) ease,
    transform 0.1s ease,
    color var(--animation-duration-fast) ease,
    border-color var(--animation-duration-fast) ease;
  text-decoration: none;
  min-height: 44px;
}

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: not-allowed;
}

.btn-full-width {
  width: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #003d33;
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-soft);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  color: var(--color-text);
  border-color: var(--color-primary-muted);
}

.card {
  background-color: var(--color-card);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: none;
}

@media (min-width: 768px) {
  .card {
    padding: 2rem;
  }
}

/* Typography rules */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-shadow: none;
}

.text-heading {
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.text-body {
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.6;
}

.text-highlight {
  color: var(--color-primary);
  font-weight: 500;
}

.text-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.text-instruction {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Input styles (used by newsletter sections if added later) */
.input {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background-color: var(--color-surface);
  color: var(--color-text);
  min-height: 44px;
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}