/**
 * Styles specific to the Week 2 tools (Gradient Generator, Contrast Checker,
 * Tints & Shades, Color Harmony). Loaded only on those four pages — same
 * design tokens and component conventions as components.css, just kept
 * separate so that file doesn't grow unwieldy. Week 1 pages are unaffected.
 */

/* ---------- Segmented control (type/method/harmony selectors) ---------- */

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.segmented__option {
  min-height: 44px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.segmented__option[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.segmented__option:hover:not([aria-pressed="true"]) {
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* ---------- Gradient generator ---------- */

.gradient-preview {
  width: 100%;
  min-height: 240px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .gradient-preview { min-height: 320px; }
}

.stop-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.stop-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.stop-row__color {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.stop-row__hex {
  width: 100px;
  min-height: 40px;
  font-family: var(--font-family-mono);
  font-size: 0.9rem;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.stop-row__position {
  flex: 1;
  min-width: 100px;
}

.stop-row__position-value {
  width: 48px;
  text-align: right;
  font-family: var(--font-family-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.stop-row__remove {
  flex-shrink: 0;
}

.angle-control {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.angle-control input[type="range"] {
  flex: 1;
}

.angle-control__value {
  width: 64px;
  min-height: 40px;
  font-family: var(--font-family-mono);
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.direction-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  max-width: 260px;
}

@media (min-width: 640px) {
  .direction-presets { grid-template-columns: repeat(9, 1fr); max-width: none; }
}

.direction-preset {
  width: 100%;
  aspect-ratio: 1;
  min-height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.direction-preset[aria-pressed="true"] {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-surface));
}

.direction-preset svg { width: 16px; height: 16px; }

.export-size-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.custom-size-fields {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.custom-size-fields input {
  width: 100px;
}

.output-row--code {
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-2);
}

.output-row--code .output-row__value {
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.85rem;
}

.output-row--code .output-row__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* ---------- Color contrast checker ---------- */

.contrast-inputs {
  display: grid;
  gap: var(--space-5);
  /* minmax(0, 1fr), not bare 1fr: a bare 1fr track has an implicit
     minmax(auto, 1fr), so it refuses to shrink below its content's
     min-content width — causing overflow at narrow viewports. */
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: var(--space-5);
}

@media (min-width: 768px) {
  .contrast-inputs { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: end; }
}

.contrast-result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  margin-bottom: var(--space-5);
}

.contrast-result__ratio {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-family-mono);
}

.contrast-result__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.wcag-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
}

.wcag-badge svg { width: 16px; height: 16px; }

.wcag-badge--pass {
  color: var(--color-success);
  border-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 10%, transparent);
}

.wcag-badge--fail {
  color: var(--color-error);
  border-color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 10%, transparent);
}

.contrast-preview {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-5);
}

.contrast-preview__button {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: var(--space-3);
  border: 1px solid currentColor;
}

.contrast-preview__card {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid currentColor;
}

.suggestion-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.suggestion-card__swatch {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.suggestion-card__info {
  flex: 1;
  min-width: 160px;
}

.suggestion-card__hex {
  font-family: var(--font-family-mono);
  font-weight: 700;
}

/* ---------- Tints and shades ---------- */

.scale-section h3 {
  margin-bottom: var(--space-3);
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.scale-swatch {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  padding: var(--space-2);
  text-align: left;
  font: inherit;
}

.scale-swatch__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  opacity: 0.85;
}

.scale-swatch__hex {
  font-family: var(--font-family-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.scale-swatch__meta {
  font-size: 0.7rem;
  opacity: 0.8;
}

.scale-swatch--base {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Color harmony ---------- */

.harmony-layout {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: start;
  margin-bottom: var(--space-5);
}

@media (min-width: 900px) {
  .harmony-layout { grid-template-columns: 260px 1fr; }
}

.hue-wheel-wrap {
  display: flex;
  justify-content: center;
}

.hue-wheel {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: conic-gradient(
    hsl(0 100% 50%), hsl(60 100% 50%), hsl(120 100% 50%),
    hsl(180 100% 50%), hsl(240 100% 50%), hsl(300 100% 50%), hsl(360 100% 50%)
  );
  border: 1px solid var(--color-border);
}

.hue-wheel__marker {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1.5px rgba(0, 0, 0, 0.5);
}

.hue-wheel__marker--base {
  width: 20px;
  height: 20px;
  margin: -10px;
  border-width: 4px;
  z-index: 1;
}

.harmony-palette {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.harmony-swatch {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-3);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.harmony-swatch__role {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  opacity: 0.85;
}

.harmony-swatch__hex {
  font-family: var(--font-family-mono);
  font-weight: 700;
}

.harmony-preview {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.harmony-preview__header {
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
}

.harmony-preview__body {
  padding: var(--space-5);
}

.harmony-preview__card {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-top: var(--space-4);
}

.harmony-preview__button {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: var(--space-3);
}

.harmony-preview__accent {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  margin-top: var(--space-3);
}

/* ---------- Shared: format selector + export row (all 4 tools) ---------- */

.export-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.no-js-note {
  display: none;
}

/* Shown only if JavaScript never runs — see <noscript> in each tool page. */