/* Lab UI: the studio design system. Guarantees are in lib/lab/ui.rb. */

/* Tokens. Override these (never component rules) to brand a venture. */

/* Colors, dark theme: the default. [data-theme="dark"] makes a dark island on
   a light page, and code on a light page stays dark (decision 0008). */
:root,
:host,
[data-theme="dark"],
[data-theme="light"] .ui-code,
:host([data-theme="light"]) .ui-code {
  color-scheme: dark;

  --ui-bg: #141416;
  --ui-surface: #18181a;
  --ui-surface-2: #1e1e21;
  --ui-border: rgba(236, 232, 225, 0.11);
  --ui-border-strong: rgba(236, 232, 225, 0.24);

  --ui-text: #ece8e1;
  --ui-text-muted: #bab5ab;
  --ui-link: #ece8e1;

  --ui-accent: #ece8e1;
  --ui-accent-hover: #ffffff;
  --ui-on-accent: #141416;
  --ui-field: rgba(0, 0, 0, 0.18);

  --ui-success: #b9c4a8;
  --ui-warning: #d9b56c;
  --ui-danger: #d79a8c;
}

/* Colors, light theme: public pages (decision 0008). Put data-theme="light" on
   <html>, on a section, or on a Shadow DOM host. */
[data-theme="light"],
:host([data-theme="light"]) {
  color-scheme: light;

  --ui-bg: #f6f5f1;
  --ui-surface: #ffffff;
  --ui-surface-2: #efede7;
  --ui-border: rgba(29, 29, 27, 0.12);
  --ui-border-strong: rgba(29, 29, 27, 0.26);

  --ui-text: #1d1d1b;
  --ui-text-muted: #57534b;
  --ui-link: #1d1d1b;

  --ui-accent: #1d1d1b;
  --ui-accent-hover: #000000;
  --ui-on-accent: #f6f5f1;
  --ui-field: #ffffff;

  --ui-success: #56693f;
  --ui-warning: #7a5a1e;
  --ui-danger: #9a4a3a;
}

/* Type, space, shape and motion: the same in both themes. */
:root, :host {
  --ui-font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --ui-font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --ui-font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --ui-space-1: 0.25rem;
  --ui-space-2: 0.5rem;
  --ui-space-3: 0.75rem;
  --ui-space-4: 1rem;
  --ui-space-6: 1.5rem;
  --ui-space-8: 2rem;

  --ui-radius: 8px;
  --ui-radius-lg: 12px;

  --ui-ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ui-dur-1: 140ms;
  --ui-dur-2: 260ms;
  --ui-dur-3: 600ms;
}

@media (prefers-reduced-motion: reduce) {
  :root, :host {
    --ui-dur-1: 0ms;
    --ui-dur-2: 0ms;
    --ui-dur-3: 0ms;
  }
}

/* Base */
.ui-app {
  margin: 0;
  min-height: 100vh;
  background: var(--ui-bg);
  color: var(--ui-text);
  font-family: var(--ui-font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* An element with data-theme repaints in its theme, whatever surrounds it. */
[data-theme="dark"],
[data-theme="light"] {
  background: var(--ui-bg);
  color: var(--ui-text);
}

.ui-app *,
.ui-app *::before,
.ui-app *::after {
  box-sizing: border-box;
}

.ui-app a,
.ui-link {
  color: var(--ui-link);
  text-decoration: none;
  transition: color var(--ui-dur-1) var(--ui-ease), border-color var(--ui-dur-1) var(--ui-ease);
}

.ui-link {
  padding-bottom: 1px;
  border-bottom: 1px solid var(--ui-border-strong);
}

.ui-link:hover {
  border-bottom-color: var(--ui-text);
}

.ui-app :focus-visible {
  outline: 1px solid var(--ui-text);
  outline-offset: 3px;
}

/* Layout */
.ui-container {
  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: var(--ui-space-8) var(--ui-space-4);
}

.ui-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-4);
}

.ui-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ui-space-3);
}

.ui-spacer {
  flex: 1;
}

.ui-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: var(--ui-space-4);
}

/* Type: app layer (sans) */
.ui-h1,
.ui-h2 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.ui-h1 {
  font-size: clamp(1.9rem, 1.5rem + 1.2vw, 2.4rem);
}

.ui-h2 {
  font-size: 1.1rem;
}

.ui-eyebrow {
  font-family: var(--ui-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ui-text-muted);
}

.ui-muted {
  color: var(--ui-text-muted);
}

.ui-mono {
  font-family: var(--ui-font-mono);
  font-size: 0.875em;
}

/* Type: editorial layer (serif), for public pages */
.ui-display {
  margin: 0;
  font-family: var(--ui-font-display);
  font-weight: 450;
  letter-spacing: -0.025em;
  line-height: 1.04;
  text-wrap: balance;
}

.ui-display em {
  font-style: italic;
}

/* Navigation */
.ui-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--ui-space-6);
  padding: var(--ui-space-3) var(--ui-space-6);
  border-bottom: 1px solid var(--ui-border);
  background: color-mix(in srgb, var(--ui-bg) 92%, transparent);
  backdrop-filter: blur(12px);
}

.ui-nav__brand {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

/* Surfaces */
.ui-card {
  position: relative;
  padding: var(--ui-space-6);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
}

.ui-card--selected {
  border-color: color-mix(in srgb, var(--ui-text) 45%, transparent);
}

.ui-stat {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-1);
}

.ui-stat__label {
  font-family: var(--ui-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ui-text-muted);
}

.ui-stat__value {
  font-size: 2.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.ui-empty {
  padding: var(--ui-space-8);
  border: 1px dashed var(--ui-border-strong);
  border-radius: var(--ui-radius-lg);
  text-align: center;
  color: var(--ui-text-muted);
}

/* Buttons */
.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ui-space-2);
  height: 2.5rem;
  padding: 0 1.15rem;
  border: 1px solid var(--ui-accent);
  border-radius: var(--ui-radius);
  background: var(--ui-accent);
  color: var(--ui-on-accent);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--ui-dur-1) var(--ui-ease), border-color var(--ui-dur-1) var(--ui-ease), transform var(--ui-dur-1) var(--ui-ease);
}

.ui-app a.ui-button,
.ui-app a.ui-button:hover {
  color: var(--ui-on-accent);
}

.ui-button:hover {
  background: var(--ui-accent-hover);
  border-color: var(--ui-accent-hover);
}

.ui-button:active {
  transform: scale(0.98);
}

.ui-button:disabled,
.ui-button[aria-busy="true"] {
  opacity: 0.5;
  cursor: default;
  transform: none;
}

.ui-button--ghost {
  background: transparent;
  border-color: var(--ui-border-strong);
  color: var(--ui-text);
}

.ui-app a.ui-button--ghost,
.ui-app a.ui-button--ghost:hover {
  color: var(--ui-text);
}

.ui-button--ghost:hover {
  background: color-mix(in srgb, var(--ui-text) 6%, transparent);
  border-color: var(--ui-border-strong);
}

.ui-button--sm {
  height: 2rem;
  padding: 0 0.85rem;
  font-size: 13px;
}

/* Forms */
.ui-field {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-2);
}

.ui-label {
  font-size: 14px;
  font-weight: 500;
}

.ui-hint {
  font-size: 14px;
  color: var(--ui-text-muted);
}

.ui-error {
  font-size: 14px;
  color: var(--ui-danger);
}

.ui-input,
.ui-textarea {
  width: 100%;
  padding: 0 var(--ui-space-3);
  border: 1px solid var(--ui-border-strong);
  border-radius: var(--ui-radius);
  background: var(--ui-field);
  color: var(--ui-text);
  font: inherit;
  font-size: 14px;
  transition: border-color var(--ui-dur-1) var(--ui-ease);
}

.ui-input {
  height: 2.5rem;
}

.ui-textarea {
  min-height: 8rem;
  padding: var(--ui-space-3);
  font-family: var(--ui-font-mono);
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}

.ui-input::placeholder,
.ui-textarea::placeholder {
  color: var(--ui-text-muted);
  opacity: 0.75;
}

.ui-input:focus,
.ui-textarea:focus {
  outline: none;
  border-color: var(--ui-text);
}

/* Data */
.ui-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.ui-table th {
  padding: 0 var(--ui-space-3) var(--ui-space-2);
  font-size: 13px;
  font-weight: 400;
  text-align: left;
  color: var(--ui-text-muted);
}

.ui-table td {
  padding: var(--ui-space-3);
  border-top: 1px solid var(--ui-border);
}

.ui-table .ui-table__num {
  text-align: right;
}

.ui-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ui-space-1);
  padding: 0.1rem 0.55rem;
  border: 1px solid var(--ui-border-strong);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ui-text-muted);
  white-space: nowrap;
}

.ui-badge--success {
  border-color: color-mix(in srgb, var(--ui-success) 45%, transparent);
  color: var(--ui-success);
}

.ui-badge--warning {
  border-color: color-mix(in srgb, var(--ui-warning) 45%, transparent);
  color: var(--ui-warning);
}

.ui-badge--danger {
  border-color: color-mix(in srgb, var(--ui-danger) 45%, transparent);
  color: var(--ui-danger);
}

/* Meter: how much of a limit is used. Set the bar's width inline: style="width: 64%". */
.ui-meter {
  display: block;
  flex: 1;
  min-width: 5rem;
  height: 6px;
  overflow: hidden;
  border-radius: 3px;
  background: color-mix(in srgb, var(--ui-text) 9%, transparent);
}

.ui-meter__bar {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: color-mix(in srgb, var(--ui-text) 78%, transparent);
}

.ui-code {
  display: block;
  overflow-x: auto;
  padding: var(--ui-space-3) var(--ui-space-4);
  border: 1px solid var(--ui-border-strong);
  border-radius: var(--ui-radius);
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--ui-font-mono);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
  color: var(--ui-text);
}

/* On a light page, code is a solid dark block (it takes the dark tokens above). */
[data-theme="light"] .ui-code,
:host([data-theme="light"]) .ui-code {
  background: var(--ui-bg);
  border-color: var(--ui-bg);
}

/* Segmented control: views, periods, table tabs. Mark the current item with
   aria-current (links) or aria-pressed="true" (buttons). */
.ui-seg {
  display: inline-flex;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--ui-border);
  border-radius: 10px;
}

.ui-seg > a,
.ui-seg > button,
.ui-seg > span {
  padding: 7px 14px;
  border: 0;
  background: none;
  color: var(--ui-text-muted);
  font: inherit;
  font-size: 13px;
  line-height: 1.6;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--ui-dur-1) var(--ui-ease), color var(--ui-dur-1) var(--ui-ease);
}

.ui-seg > :hover {
  color: var(--ui-text);
}

.ui-seg > [aria-current]:not([aria-current="false"]),
.ui-seg > [aria-pressed="true"] {
  background: color-mix(in srgb, var(--ui-text) 10%, transparent);
  color: var(--ui-text);
}

.ui-seg--sm > a,
.ui-seg--sm > button,
.ui-seg--sm > span {
  padding: 4px 11px;
  font-size: 12.5px;
}

/* Chip: a removable value, such as an active filter. */
.ui-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 6px 0 12px;
  border: 1px solid color-mix(in srgb, var(--ui-text) 45%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--ui-text) 8%, transparent);
  font-size: 13px;
  white-space: nowrap;
}

.ui-chip__key {
  color: var(--ui-text-muted);
}

.ui-chip__remove {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ui-text) 10%, transparent);
  color: var(--ui-text-muted);
  font: inherit;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}

.ui-chip__remove:hover {
  background: color-mix(in srgb, var(--ui-text) 20%, transparent);
  color: var(--ui-text);
}

/* Popover: put it on an element with the popover attribute. The browser opens
   and closes it; it is centred until a script sets its position. */
.ui-popover {
  padding: var(--ui-space-4);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-bg);
  color: var(--ui-text);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.ui-popover:not(:popover-open) {
  display: none;
}

.ui-popover:popover-open {
  animation: ui-rise var(--ui-dur-2) var(--ui-ease) both;
}

/* Panel: a side sheet. On a <dialog> opened with showModal() it slides in
   from the right; anywhere else it sits in the page as a card. */
.ui-panel {
  display: flex;
  flex-direction: column;
  gap: var(--ui-space-4);
  padding: var(--ui-space-6);
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
  color: var(--ui-text);
}

.ui-panel:is(dialog):not([open]) {
  display: none;
}

.ui-panel:modal {
  width: min(32rem, 100vw);
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  margin: 0 0 0 auto;
  overflow-y: auto;
  border-width: 0 0 0 1px;
  border-radius: 0;
  animation: ui-panel-in var(--ui-dur-2) var(--ui-ease) both;
}

.ui-panel::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

@keyframes ui-panel-in {
  from {
    transform: translateX(24px);
    opacity: 0.001;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

/* Feedback */
.ui-flash {
  padding: var(--ui-space-3) var(--ui-space-4);
  border: 1px solid var(--ui-border-strong);
  border-radius: var(--ui-radius);
  background: var(--ui-surface-2);
  animation: ui-rise var(--ui-dur-3) var(--ui-ease) both;
}

.ui-flash--danger {
  border-color: color-mix(in srgb, var(--ui-danger) 45%, transparent);
  color: var(--ui-danger);
}

.ui-rise {
  animation: ui-rise var(--ui-dur-3) var(--ui-ease) both;
}

@keyframes ui-rise {
  from {
    opacity: 0.001;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Page transitions (Turbo + View Transitions) */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: var(--ui-dur-2);
  animation-timing-function: var(--ui-ease);
}