/* ==========================================================================
   Fluticon Admin — design-aligned stylesheet
   Sections: tokens, reset, typography, shell, layout, buttons, forms,
   badges, cards, tables, tabs, states, login, confirmations, responsive,
   accessibility.
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  /* Color */
  --color-bg: #0b1120;
  --color-surface: #121b2b;
  --color-surface-raised: #182235;
  --color-surface-active: #202d43;
  --color-border: #2a3951;
  --color-text: #f3f6fa;
  --color-text-muted: #9aa9bf;
  --color-primary: #2dd4bf;
  --color-primary-ink: #062622;
  --color-info: #60a5fa;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --color-success: #34d399;

  /* Legacy aliases retained for existing selectors/tests */
  --bg: var(--color-bg);
  --panel: var(--color-surface);
  --border: var(--color-border);
  --text: var(--color-text);
  --muted: var(--color-text-muted);
  --accent: var(--color-primary);

  /* Spacing scale (4/8/12/16/20/24/32) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Typography */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-md: 0.9375rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;
  --leading-tight: 1.25;
  --leading-normal: 1.5;

  /* Radius and borders */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-card: 12px;
  --radius-pill: 999px;

  /* Control dimensions */
  --control-height: 2.25rem;
  --control-height-sm: 1.875rem;
  --touch-target: 2.75rem;

  /* Shell dimensions */
  --sidebar-width: 14.5rem;
  --header-height: 3.5rem;
  --content-max: 80rem;

  /* Elevation: reserved for overlays and focused panels only */
  --shadow-panel: 0 8px 24px rgb(0 0 0 / 0.35);

  /* Focus */
  --focus-ring: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary);
}

/* 2. Reset and document ----------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  min-height: 100vh;
}

img,
svg {
  display: inline-block;
  vertical-align: middle;
}

/* 3. Typography ------------------------------------------------------------- */
h1 {
  font-size: var(--text-xl);
  line-height: var(--leading-tight);
  font-weight: 650;
  margin-bottom: var(--space-2);
}

h2 {
  font-size: var(--text-sm);
  font-weight: 600;
}

h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin: var(--space-4) 0 var(--space-2);
}

p + p,
p + ul,
ul + p {
  margin-top: var(--space-3);
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-surface-active);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
}

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

.page-subtitle {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.eyebrow {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

/* 4. Shell and navigation --------------------------------------------------- */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
  flex: none;
}

.brand-dim {
  color: var(--color-text-muted);
  font-weight: 500;
}

.nav-group {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-2) var(--space-1);
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  min-height: var(--control-height);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-md);
}

.side-nav a:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.side-nav a.active {
  background: var(--color-surface-active);
  color: var(--color-primary);
  font-weight: 600;
}

.icon {
  width: 1rem;
  height: 1rem;
  flex: none;
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-3) var(--space-2) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  display: flex;
  gap: var(--space-2);
}

.workspace {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-context {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.header-title {
  font-weight: 600;
  font-size: var(--text-md);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.health-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.health-pill.ok { color: var(--color-success); }
.health-pill.stale { color: var(--color-warning); }
.health-pill.error { color: var(--color-danger); }
.health-pill.neutral { color: var(--color-text-muted); }

.health-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-pill);
  background: currentColor;
  flex: none;
}

.admin-identity {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.avatar {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-active);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.admin-name {
  font-size: var(--text-sm);
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logout-form {
  display: inline;
}

.content {
  padding: var(--space-6);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
}

/* 5. Page headers and layout ------------------------------------------------ */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: var(--space-4);
}

.grid.metrics {
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

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

.content > * + * {
  margin-top: var(--space-4);
}

.content > .grid,
.content > .split,
.content > .stack {
  margin-top: var(--space-4);
}

/* 6. Buttons and links ------------------------------------------------------ */
a {
  color: var(--color-info);
}

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

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--control-height);
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.btn:hover {
  background: var(--color-surface-active);
  color: var(--color-text);
}

.btn.primary,
button.primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.btn.primary:hover,
button.primary:hover {
  filter: brightness(1.1);
  background: var(--color-primary);
}

.btn.secondary,
button.secondary {
  background: transparent;
}

.btn.quiet,
button.quiet {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-muted);
}

.btn.quiet:hover,
button.quiet:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.btn.danger,
button.danger {
  background: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn.danger:hover,
button.danger:hover {
  background: rgb(248 113 113 / 0.12);
}

.btn.small,
button.small {
  min-height: var(--control-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
}

button:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 7. Forms and filters ------------------------------------------------------ */
label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

input,
select,
textarea {
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: var(--control-height);
  padding: 0 var(--space-3);
}

input::placeholder {
  color: var(--color-text-muted);
}

input:disabled,
select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.filter-form {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-form input,
.filter-form select {
  flex: 0 1 auto;
  min-width: 12rem;
}

.inline-form {
  display: inline;
}

.inline-form button {
  min-height: var(--control-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
}

.catalog-toolbar {
  margin-bottom: var(--space-4);
}

.catalog-toolbar .btn svg {
  width: 1rem;
  height: 1rem;
}

.pricing-steps {
  display: grid;
  gap: var(--space-2);
  padding-left: var(--space-5);
}

.pricing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pricing-state-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  min-width: 10.5rem;
}

.pricing-state-form {
  margin: 0;
}

.pricing-state-form button {
  white-space: nowrap;
}

.pricing-display-form {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pricing-display-form p {
  flex: 1 1 18rem;
  margin: 0;
}

.pricing-display-form input[type="text"] {
  width: min(100%, 32rem);
}

.pricing-plan-stack {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.pricing-plan-edit,
.pricing-plan-card {
  min-width: 0;
  margin: 0;
}

.pricing-plan-card legend {
  padding: 0 var(--space-2);
  font-weight: 700;
}

.pricing-plan-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-4);
}

.pricing-plan-actions button {
  width: auto;
  white-space: nowrap;
}

.pricing-mapping-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.pricing-mapping-group legend {
  font-weight: 700;
  padding: 0 var(--space-2);
}

.pricing-mapping-group select {
  display: block;
  width: min(100%, 38rem);
}

.inline-form button.icon-action,
.btn.icon-action {
  width: var(--control-height);
  min-width: var(--control-height);
  height: var(--control-height);
  min-height: var(--control-height);
  padding: 0;
}

.icon-action svg {
  width: 1rem;
  height: 1rem;
}

/* 8. Badges and statuses ---------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.badge.ok {
  border-color: rgb(52 211 153 / 0.45);
  color: var(--color-success);
  background: rgb(52 211 153 / 0.1);
}

.badge.stale {
  border-color: rgb(251 191 36 / 0.45);
  color: var(--color-warning);
  background: rgb(251 191 36 / 0.1);
}

.badge.error {
  border-color: rgb(248 113 113 / 0.5);
  color: var(--color-danger);
  background: rgb(248 113 113 / 0.1);
}

.badge.info {
  border-color: rgb(96 165 250 / 0.45);
  color: var(--color-info);
  background: rgb(96 165 250 / 0.1);
}

.badge.neutral {
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.env-badge {
  flex: none;
}

/* 9. Cards, metrics, health, and activity ----------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.card-head h2 {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-body > * + * {
  margin-top: var(--space-3);
}

/* Metric card */
.card.metric .card-head {
  margin-bottom: var(--space-1);
}

.metric-value {
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
  font-weight: 700;
}

.metric-stats {
  list-style: none;
  padding: 0;
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
}

.metric-stats li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-foot {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
}

/* Health panel */
.health-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.health-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.health-item .health-dot {
  align-self: center;
}

.health-dot.ok { color: var(--color-success); }
.health-dot.stale { color: var(--color-warning); }
.health-dot.error { color: var(--color-danger); }

.health-name {
  font-weight: 600;
  font-size: var(--text-sm);
}

.health-meta {
  font-size: var(--text-sm);
}

/* Activity list */
.activity-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.activity-item:last-child {
  border-bottom: 0;
}

.activity-item .health-dot {
  margin-top: 0.45em;
}

.activity-text p {
  font-size: var(--text-sm);
}

/* Compact stat list (confirmations, groupings) */
.stat-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
}

.stat {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-sm);
  padding: var(--space-1) 0;
}

/* 10. Tables and pagination -------------------------------------------------- */
.table-scroll {
  overflow-x: auto;
  margin: 0 calc(-1 * var(--space-5));
  padding: 0 var(--space-5);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  text-align: left;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table tbody tr:hover {
  background: var(--color-surface-raised);
}

.data-table tr.linked {
  cursor: pointer;
}

.data-table.kv th {
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-sm);
  width: 12rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

/* 11. Tabs and HTMX states --------------------------------------------------- */
.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.tabs a {
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tabs a:hover {
  color: var(--color-text);
}

.tabs a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.htmx-request,
.htmx-request * {
  cursor: progress;
}

/* 12. Alerts, empty/loading/stale/error states ------------------------------- */
.stale-note {
  color: var(--color-warning);
  font-size: var(--text-sm);
}

.error,
.error-page {
  color: var(--color-danger);
}

.error-page {
  padding: var(--space-4);
  background: rgb(248 113 113 / 0.08);
  border: 1px solid rgb(248 113 113 / 0.35);
  border-radius: var(--radius-md);
}

.error-page h1 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.error-page ul {
  padding-left: var(--space-5);
}

.empty-state {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  padding: var(--space-6);
  text-align: center;
}

/* 13. Login ------------------------------------------------------------------ */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.login-frame {
  width: 100%;
  max-width: 24rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-card {
  padding: var(--space-8);
}

.login-head {
  margin-bottom: var(--space-6);
}

.login-head .brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  margin-bottom: var(--space-3);
}

.login-head h1 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-form button {
  margin-top: var(--space-2);
}

.password-field {
  position: relative;
  width: 100%;
}

.password-field input {
  width: 100%;
  padding-right: calc(var(--touch-target) + var(--space-2));
}

.login-form .password-toggle {
  position: absolute;
  top: 50%;
  right: var(--space-1);
  width: var(--touch-target);
  min-height: var(--touch-target);
  padding: 0;
  margin-top: 0;
  transform: translateY(-50%);
  border-color: transparent;
  background: transparent;
  color: var(--color-text-muted);
}

.login-form .password-toggle:hover {
  border-color: transparent;
  background: transparent;
  color: var(--color-text);
}

.password-toggle-icon,
.password-toggle-icon svg {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}

.password-toggle-icon[hidden] {
  display: none;
}

.login-form .error {
  padding: var(--space-3);
  background: rgb(248 113 113 / 0.08);
  border: 1px solid rgb(248 113 113 / 0.35);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.login-foot {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
}

.login-env {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
}

.login-brand {
  justify-content: center;
}

/* 14. Confirmation and guarded actions --------------------------------------- */
.confirm-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* 15. Responsive breakpoints -------------------------------------------------- */
@media (max-width: 60rem) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-group {
    display: none;
  }

  .side-nav {
    flex-direction: row;
    overflow-x: auto;
    flex: 1;
    padding-bottom: var(--space-1);
  }

  .side-nav a {
    min-height: var(--touch-target);
    white-space: nowrap;
  }

  .sidebar-footer {
    display: none;
  }

  .workspace-header {
    padding: 0 var(--space-4);
    flex-wrap: wrap;
    min-height: auto;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .admin-name {
    max-width: 8rem;
  }

  .content {
    padding: var(--space-4);
  }
}

@media (max-width: 40rem) {
  .header-meta {
    gap: var(--space-2);
  }

  .health-pill {
    font-size: var(--text-xs);
  }

  .filter-form {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-form input,
  .filter-form select,
  .filter-form button {
    width: 100%;
    min-height: var(--touch-target);
  }

  .login-card {
    padding: var(--space-6);
  }
}

/* 16. Reduced-motion and accessibility overrides ----------------------------- */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

.side-nav a:focus-visible,
.tabs a:focus-visible {
  border-radius: var(--radius-md);
}

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