/* Hand-written styles. Tokens first; components use only tokens. Reference: /_kitchen-sink */

/* ---------- Tokens ---------- */

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

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.6rem;
  --line-height: 1.5;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-pill: 999px;
  --container: 64rem;
}

/* Light palette (default) and the explicit light panel on the kitchen sink. */
:root,
[data-theme="light"] {
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-surface-2: #eef0f3;
  --color-text: #1b1f24;
  --color-muted: #5b6470;
  --color-border: #d6dae0;
  --color-primary: #1f6feb;
  --color-primary-hover: #1858c2;
  --color-on-primary: #ffffff;
  --color-focus: #1f6feb66;

  --color-info-bg: #e7f0fd;
  --color-info-fg: #174ea6;
  --color-success-bg: #e5f5ea;
  --color-success-fg: #1a6b35;
  --color-warning-bg: #fff4d6;
  --color-warning-fg: #7a5200;
  --color-danger-bg: #fde8e8;
  --color-danger-fg: #b42318;
  --color-neutral-bg: #eceff2;
  --color-neutral-fg: #3c4450;
  --shadow: 0 1px 2px #0000000f, 0 1px 3px #0000001a;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1216;
    --color-surface: #171b21;
    --color-surface-2: #20262e;
    --color-text: #e6e9ed;
    --color-muted: #9aa4b1;
    --color-border: #2f3742;
    --color-primary: #4c8dff;
    --color-primary-hover: #73a6ff;
    --color-on-primary: #0b0e12;
    --color-focus: #4c8dff80;

    --color-info-bg: #13294a;
    --color-info-fg: #9cc2ff;
    --color-success-bg: #10301c;
    --color-success-fg: #7fd69c;
    --color-warning-bg: #3a2c07;
    --color-warning-fg: #f3c75f;
    --color-danger-bg: #3d1515;
    --color-danger-fg: #ff9a8f;
    --color-neutral-bg: #262d36;
    --color-neutral-fg: #c2c9d2;
    --shadow: 0 1px 2px #00000066;
    color-scheme: dark;
  }
}

/* Explicit dark panel (kitchen sink), regardless of the OS setting. */
[data-theme="dark"] {
  --color-bg: #0f1216;
  --color-surface: #171b21;
  --color-surface-2: #20262e;
  --color-text: #e6e9ed;
  --color-muted: #9aa4b1;
  --color-border: #2f3742;
  --color-primary: #4c8dff;
  --color-primary-hover: #73a6ff;
  --color-on-primary: #0b0e12;
  --color-focus: #4c8dff80;

  --color-info-bg: #13294a;
  --color-info-fg: #9cc2ff;
  --color-success-bg: #10301c;
  --color-success-fg: #7fd69c;
  --color-warning-bg: #3a2c07;
  --color-warning-fg: #f3c75f;
  --color-danger-bg: #3d1515;
  --color-danger-fg: #ff9a8f;
  --color-neutral-bg: #262d36;
  --color-neutral-fg: #c2c9d2;
  --shadow: 0 1px 2px #00000066;
  color-scheme: dark;
}

/* ---------- Base ---------- */

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height);
  background: var(--color-bg);
  color: var(--color-text);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
}
h1 {
  font-size: var(--text-xl);
}
h2 {
  font-size: var(--text-lg);
}
h3 {
  font-size: var(--text-base);
}
p {
  margin: 0;
}

a {
  color: var(--color-primary);
}
a:hover {
  color: var(--color-primary-hover);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.muted {
  color: var(--color-muted);
}
.small {
  font-size: var(--text-sm);
}

/* ---------- Layout ---------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.main {
  padding-block: var(--space-5) var(--space-7);
}
.narrow {
  max-width: 26rem;
  margin-inline: auto;
  display: grid;
  gap: var(--space-3);
}
.stack {
  display: grid;
  gap: var(--space-4);
}
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}
.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
}
.flash {
  margin-bottom: var(--space-4);
}

/* ---------- Nav ---------- */

.navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: 3.25rem;
}
.navbar-brand {
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}
.navbar-links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.navbar-links a {
  color: var(--color-muted);
  text-decoration: none;
  padding-block: var(--space-1);
  border-bottom: 2px solid transparent;
}
.navbar-links a:hover,
.navbar-links a[aria-current="page"] {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.user-menu {
  position: relative;
}
.user-menu summary {
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-muted);
  list-style: none;
}
.user-menu summary::after {
  content: " ▾";
}
.user-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-2));
  z-index: 10;
  min-width: 11rem;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Card ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
}
.card-body {
  display: grid;
  gap: var(--space-3);
}
.card-footer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  line-height: 1.25;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  color: var(--color-on-primary);
}
.btn-secondary {
  background: var(--color-surface-2);
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--color-muted);
  color: var(--color-text);
}
.btn-danger {
  background: var(--color-danger-fg);
  color: var(--color-surface);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-2);
}

/* ---------- Badges ---------- */

.badge {
  display: inline-block;
  padding: 0.1rem var(--space-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}
.badge-neutral {
  background: var(--color-neutral-bg);
  color: var(--color-neutral-fg);
}
.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info-fg);
}
.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success-fg);
}
.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-fg);
}
.badge-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
}

.badge-new {
  background: var(--color-primary);
  color: var(--color-on-primary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

/* ---------- Alerts ---------- */

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border-left: 4px solid currentColor;
  display: grid;
  gap: var(--space-1);
}
.alert-title {
  font-weight: 700;
}
.alert-info {
  background: var(--color-info-bg);
  color: var(--color-info-fg);
}
.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success-fg);
}
.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-fg);
}
.alert-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
}

/* ---------- Forms ---------- */

.field {
  display: grid;
  gap: var(--space-1);
}
.field label {
  font-weight: 600;
  font-size: var(--text-sm);
}
input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
select,
textarea {
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  width: 100%;
}
input:disabled,
select:disabled,
textarea:disabled {
  background: var(--color-surface-2);
  color: var(--color-muted);
}
.field-invalid input:not([type="checkbox"]):not([type="radio"]),
.field-invalid select {
  border-color: var(--color-danger-fg);
}
.field-hint {
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.field-error {
  font-size: var(--text-sm);
  color: var(--color-danger-fg);
}
.checkbox {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
}
input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 1.1rem;
  height: 1.1rem;
}

/* ---------- Table ---------- */

.table-wrap {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}
.table th,
.table td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.table th {
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- Disclosure / empty ---------- */

.disclosure summary {
  cursor: pointer;
  font-weight: 600;
}
.empty {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: grid;
  gap: var(--space-3);
  justify-items: center;
  color: var(--color-muted);
}
.empty-title {
  font-weight: 700;
  color: var(--color-text);
}

/* ---------- Coverage strip ---------- */

.coverage {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}
.coverage-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
}
.coverage-success {
  background: var(--color-success-bg);
  color: var(--color-success-fg);
}
.coverage-info {
  background: var(--color-info-bg);
  color: var(--color-info-fg);
}
.coverage-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
}

/* ---------- Search + offers ---------- */

.search-form {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 2fr 1fr 1fr;
  align-items: end;
}
@media (max-width: 40rem) {
  .search-form {
    grid-template-columns: 1fr;
  }
}
.results.htmx-request {
  opacity: 0.6;
  transition: opacity 150ms;
}

.offer-list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.offer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.offer-main {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}
.offer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}
.offer-name {
  font-weight: 600;
}
.offer-brand {
  font-weight: 400;
  color: var(--color-muted);
}
.offer-warning {
  font-size: var(--text-sm);
  color: var(--color-warning-fg);
  background: var(--color-warning-bg);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.offer-price {
  display: grid;
  justify-items: end;
  align-content: start;
  gap: var(--space-1);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.price-new {
  font-size: var(--text-lg);
  font-weight: 700;
}
.price-old {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.results-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

/* ---------- Page head, form rows, confirm ---------- */

.page-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.form-page {
  max-width: 40rem;
}
.form-row {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  align-items: start;
}
.confirm {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-danger-fg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Watchlist ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}
.chip {
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-muted);
  background: var(--color-surface-2);
}
.watch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.watch-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.watch-row-main {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}
.watch-row-title {
  font-size: var(--text-base);
}
.watch-row-side {
  display: grid;
  justify-items: end;
  align-content: start;
  gap: var(--space-2);
}
.watch-row-side a.badge {
  text-decoration: none;
}

/* ---------- My deals ---------- */

.deal-groups {
  display: grid;
  gap: var(--space-6);
}
.deal-group {
  display: grid;
  gap: var(--space-2);
  scroll-margin-top: var(--space-4);
}
.deal-group-header {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.deal-group-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-3);
}
.deal-group-edit {
  margin-left: auto;
}
/* No matches: one compact, quieter line instead of a full group. */
.deal-group-empty .deal-group-header {
  padding: var(--space-2) var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted);
}
.deal-group-empty h2 {
  font-size: var(--text-base);
}

/* ---------- Kitchen sink ---------- */

.kitchen-sink {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(26rem, 1fr));
}
.theme-panel {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  min-width: 0;
}
.theme-panel-label {
  font-weight: 700;
  text-transform: uppercase;
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}