/* =============================================================================
   Superservice Design System
   Canonical reference: docs/design/design-system.md
   Direction: minimal, polished, spacious, fast. Apple-like clarity,
   Telegram-like simplicity. Light-first with an automatic dark theme.
   Edit tokens here; do not hardcode colors/spacing in templates.
   ========================================================================== */

/* ---- Tokens ---------------------------------------------------------------*/
:root {
  color-scheme: light;

  /* Brand */
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-press: #0064c8;
  --accent-soft: rgba(0, 113, 227, 0.10);
  --on-accent: #ffffff;

  /* Neutral surfaces */
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-2: #f5f5f7;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.16);

  /* Text */
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --text-subtle: #86868b;

  /* Feedback */
  --success: #1d8a4e;
  --success-soft: rgba(29, 138, 78, 0.12);
  --danger: #d70015;
  --danger-soft: rgba(215, 0, 21, 0.10);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0: clamp(0.95rem, 0.92rem + 0.18vw, 1.05rem);
  --step-1: clamp(1.12rem, 1.04rem + 0.4vw, 1.35rem);
  --step-2: clamp(1.4rem, 1.25rem + 0.75vw, 1.85rem);
  --step-3: clamp(1.8rem, 1.5rem + 1.5vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.9rem + 2.6vw, 3.75rem);
  --step-5: clamp(3rem, 2.2rem + 4vw, 5rem);

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.75rem;
  --space-8: 3.5rem;
  --space-9: 5rem;
  --space-10: 7rem;

  /* Radius */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* Shadows (soft, low-opacity) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.10), 0 6px 18px rgba(0, 0, 0, 0.06);

  /* Layout + motion */
  --container: 1120px;
  --gutter: clamp(1.25rem, 0.8rem + 2vw, 2rem);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 200ms;
  --ring: 0 0 0 4px var(--accent-soft);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --accent: #2997ff;
    --accent-hover: #47a7ff;
    --accent-press: #1a86f0;
    --accent-soft: rgba(41, 151, 255, 0.16);
    --on-accent: #04122a;

    --bg: #000000;
    --surface: #111114;
    --surface-2: #1c1c1f;
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.20);

    --text: #f5f5f7;
    --text-muted: #a1a1a6;
    --text-subtle: #86868b;

    --success: #40c463;
    --success-soft: rgba(64, 196, 99, 0.16);
    --danger: #ff5a5f;
    --danger-soft: rgba(255, 90, 95, 0.14);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 28px 64px rgba(0, 0, 0, 0.6);
  }
}

/* ---- Base -----------------------------------------------------------------*/
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.08; letter-spacing: -0.02em; font-weight: 650; }
/* An unbroken word at this size overflows a phone — a display name falls back to
   an email address, which has no break opportunity and pushed the page sideways. */
h1 { font-size: var(--step-4); letter-spacing: -0.04em; overflow-wrap: anywhere; }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); }
p { margin: 0; }

a { color: var(--accent); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; display: block; }

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-sm); }

.skip-link {
  /* Off-screen until focused. `inset-inline-start` (not `left`) so it lands on
     the correct side in RTL; no shadow while hidden or it bleeds into view. */
  position: absolute; inset-inline-start: var(--space-4); top: -3rem;
  background: var(--surface); color: var(--text); padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm); z-index: 100;
  transition: top var(--dur) var(--ease);
}
.brand__logo { display: block; height: 1.75rem; width: auto; max-width: 12rem; object-fit: contain; }
.skip-link:focus { top: var(--space-4); box-shadow: var(--shadow); }

/* ---- Layout ---------------------------------------------------------------*/
.wrap { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space-8); }
.section--tight { padding-block: var(--space-6); }

.stack > * + * { margin-top: var(--space-4); }
.stack-lg > * + * { margin-top: var(--space-6); }

.cluster { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.cluster--center { justify-content: center; }

.grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--step--1); font-weight: 600; letter-spacing: 0.02em;
  color: var(--text-muted); text-transform: none;
}
.muted { color: var(--text-muted); }
.subtle { color: var(--text-subtle); }
.lead { font-size: var(--step-1); color: var(--text-muted); line-height: 1.5; }

/* ---- Navigation -----------------------------------------------------------*/
.nav {
  /* Above .filter-bar (z-index 30): the nav creates a stacking context, so the
     open-menu scrim inside it can only cover the page if the whole header does. */
  position: sticky; top: 0; z-index: 50;
  /* No backdrop-filter here: it makes the header a containing block for
     position:fixed descendants, which clipped the full-screen menu scrim to the
     header's own 56px. Fully opaque rather than the 94% it used to be — without a
     blur behind it, 6% transparency just showed page content sliding through the
     menu while scrolling. */
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-inner { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { font-weight: 700; letter-spacing: -0.03em; font-size: var(--step-1); color: var(--text); white-space: nowrap; }

/* Nav: state lives in a hidden checkbox (see base.html for why not <details>).
   Mobile — links collapse into a panel behind the burger. Desktop — burger hidden,
   links inline, subcategories on hover/focus. */
.nav-burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; cursor: pointer;
  border-radius: var(--radius-sm); color: var(--text);
}
.nav-burger .icon { width: 1.6em; height: 1.6em; }
.nav-burger:hover { background: var(--surface-2); }
.nav-toggle:focus-visible + .nav-burger { outline: none; box-shadow: var(--ring); }

/* Mobile menu is a near-full-width sheet with generous rows. A cramped dropdown
   is hard for anyone with larger fingers, reduced vision or an older device —
   and this same markup ships inside the native app wrappers. */
.nav-links {
  position: absolute; z-index: 40;
  inset-inline: var(--space-4); top: calc(100% + var(--space-2));
  display: none; flex-direction: column; align-items: stretch; gap: var(--space-1);
  max-height: 75vh; overflow-y: auto; padding: var(--space-3);
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.nav-toggle:checked ~ .nav-links { display: flex; }

.nav-scrim { display: none; position: fixed; inset: 0; z-index: 35; cursor: default; }
.nav-toggle:checked ~ .nav-scrim { display: block; }

.nav-item { display: flex; align-items: center; }
.nav-links a {
  padding: var(--space-4); border-radius: var(--radius);
  color: var(--text); font-size: var(--step-1); font-weight: 600; flex: 1;
  min-height: 3rem; display: flex; align-items: center;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); }

/* A parent category shows its own link plus an arrow that reveals its children,
   so a visitor can reach a subcategory without loading the category page first. */
.nav-item--parent { display: flex; flex-wrap: wrap; align-items: center; }
.nav-sub-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; cursor: pointer; border-radius: var(--radius);
  color: var(--text-muted); flex: none;
}
.nav-sub-arrow:hover { background: var(--surface-2); color: var(--text); }
.nav-sub-toggle:focus-visible + .nav-sub-arrow { outline: none; box-shadow: var(--ring); }
.caret {
  width: 0.45em; height: 0.45em;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg); margin-top: -0.2em;
  transition: transform var(--dur) var(--ease);
}
.nav-sub-toggle:checked + .nav-sub-arrow .caret { transform: rotate(-135deg); margin-top: 0.15em; }
.nav-sub {
  display: none; flex-direction: column; width: 100%; gap: var(--space-1);
  padding-inline-start: var(--space-4); padding-block-end: var(--space-2);
}
.nav-sub-toggle:checked ~ .nav-sub { display: flex; }
.nav-sub a { font-size: var(--step-0); color: var(--text-muted); font-weight: 500; min-height: 2.75rem; }

.lang-switch { display: inline-flex; gap: var(--space-1); align-items: center; }
.lang-switch form { display: inline; margin: 0; }
.lang-option { font: inherit; font-size: var(--step--1); font-weight: 600; cursor: pointer; padding: var(--space-1) var(--space-2); border-radius: var(--radius-pill); border: 1px solid var(--border); background: var(--surface); color: var(--text-muted); }
.lang-option:hover { background: var(--surface-2); color: var(--text); }
.lang-option--active { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

@media (min-width: 720px) {
  .nav-burger, .nav-scrim { display: none; }
  .nav-toggle:checked ~ .nav-scrim { display: none; }
  .nav-links {
    position: static; display: flex; flex-direction: row; flex-wrap: wrap;
    align-items: center; justify-content: flex-end; gap: var(--space-1);
    min-width: 0; max-height: none; overflow: visible; padding: 0;
    background: none; border: 0; box-shadow: none;
  }
  .nav-links > a, .nav-item--parent > a {
    padding: var(--space-2) var(--space-3); border-radius: var(--radius-pill);
    color: var(--text-muted); font-size: var(--step--1); font-weight: 550; flex: initial;
  }
  .nav-links a:hover { color: var(--text); }
  .nav-item--cta { color: var(--accent) !important; font-weight: 650 !important; }

  /* Subcategories open on hover or keyboard focus. On desktop the arrow is part of
     the same hover target as the label — a separate control next to it contradicts
     the mental model, and clicking it fought the hover state (the caret flipped
     while the panel stayed open). Here it is a pure affordance: pointer-events are
     off so a click falls through to the category link. */
  .nav-item--parent { position: relative; flex-wrap: nowrap; align-items: center; }
  .nav-item--parent > a { display: inline-flex; align-items: center; gap: var(--space-2); }
  .nav-sub-arrow {
    position: absolute; inset-inline-end: var(--space-2); top: 50%;
    transform: translateY(-50%);
    width: auto; height: auto; pointer-events: none; background: none;
  }
  .nav-item--parent > a { padding-inline-end: var(--space-6); }
  /* Hover/focus drives the caret, not the checkbox, so the two never disagree. */
  .nav-sub-toggle:checked + .nav-sub-arrow .caret { transform: rotate(45deg); margin-top: -0.2em; }
  .nav-item--parent:hover .nav-sub-arrow .caret,
  .nav-item--parent:focus-within .nav-sub-arrow .caret { transform: rotate(-135deg); margin-top: 0.15em; }
  /* The panel floats below the bar. Without this it inherits the mobile rule
     (static, full width) and renders inside the menu bar itself. */
  .nav-sub {
    position: absolute; inset-inline-start: 0; top: calc(100% + var(--space-2));
    min-width: 13rem; width: max-content; max-width: 22rem;
    padding: var(--space-2); gap: 2px;
    background: var(--surface); border: 1px solid var(--border-strong);
    border-radius: var(--radius); box-shadow: var(--shadow);
  }
  /* Bridge the visual gap between the item and its panel. Without it the mouse
     crosses a strip that belongs to neither element, :hover is lost and the panel
     closes mid-travel. The bridge is inside .nav-sub, so hovering it keeps the
     ancestor .nav-item--parent hovered. Invisible, and never on mobile where the
     panel is in flow. */
  .nav-sub::before {
    content: ""; position: absolute; inset-inline: 0;
    bottom: 100%; height: var(--space-3);
  }
  .nav-item--parent:hover .nav-sub,
  .nav-item--parent:focus-within .nav-sub { display: flex; }
  .nav-sub a {
    padding: var(--space-2) var(--space-3); font-size: var(--step--1);
    color: var(--text); border-radius: var(--radius-sm);
  }
  .nav-sub a:hover { background: var(--surface-2); }
}

/* ---- Icons ----------------------------------------------------------------*/
.icon {
  width: 1.25em; height: 1.25em; flex: none;
  vertical-align: -0.2em; /* optical alignment with adjacent text */
}
.icon--sm { width: 1em; height: 1em; }

/* ---- Hero -----------------------------------------------------------------*/
.hero { text-align: center; padding-block: var(--space-7) var(--space-5); }
/* Directory and profile pages lead with content, not with a landing-page hero:
   the filter bar and results should be near the fold. A full hero belongs on the
   home page, where setting the scene is the job. */
.hero--compact { padding-block: var(--space-5) var(--space-4); }
.hero--compact h1 { font-size: var(--step-3); }
.hero--compact .lead { margin-top: var(--space-3); font-size: var(--step-0); }
.hero h1 { max-width: 16ch; margin-inline: auto; }
.hero .lead { max-width: 62ch; margin: var(--space-5) auto 0; }
.hero .cluster { margin-top: var(--space-6); }

/* ---- Buttons --------------------------------------------------------------*/
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 0.68em 1.25em; border-radius: var(--radius-pill);
  font: inherit; font-weight: 600; font-size: var(--step-0);
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn--primary:active { background: var(--accent-press); }
.btn--secondary { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn--secondary:hover { background: var(--surface-2); color: var(--text); }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover { background: var(--accent-soft); }
.btn--sm { padding: 0.5em 0.95em; font-size: var(--step--1); }
.btn--block { width: 100%; }

/* ---- Cards ----------------------------------------------------------------*/
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card--interactive:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.card > * + * { margin-top: var(--space-3); }
.card h3 { letter-spacing: -0.02em; }
.card__foot { margin-top: var(--space-4); }

/* ---- Chips, pills, badges -------------------------------------------------*/
.pill, .chip, .badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  border-radius: var(--radius-pill); font-size: var(--step--1); font-weight: 550;
  padding: 0.4em 0.85em; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-muted);
}
.chip { transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
a.chip:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.badge--accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge--success { background: var(--success-soft); color: var(--success); border-color: transparent; }

/* ---- Tabs -----------------------------------------------------------------*/
/* Profile section tabs. All sections are rendered; only the selected one shows.
   No JavaScript and no extra URLs — a hidden radio drives it, and because each
   radio sits immediately before its own label and panel, the rules below need no
   per-profile ids. `order` lifts every label into a row above the panels. */
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: flex-start; }
.tabs__radio {
  /* Hidden but focusable: clip rather than display:none, or the tabs stop working
     from the keyboard and a screen reader loses the control entirely. */
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.tabs__label {
  order: 1; cursor: pointer;
  display: inline-flex; align-items: center; min-height: 2.75rem;
  padding: 0.45em 1em; border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong); background: var(--surface);
  font-size: var(--step--1); font-weight: 600; color: var(--text-muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.tabs__label:hover { background: var(--surface-2); color: var(--text); }
.tabs__radio:checked + .tabs__label {
  background: var(--accent); color: var(--on-accent); border-color: transparent;
}
.tabs__radio:focus-visible + .tabs__label { outline: none; box-shadow: var(--ring); }
.tabs__panel { order: 2; flex: 1 1 100%; display: none; margin-top: var(--space-5); }
.tabs__radio:checked + .tabs__label + .tabs__panel { display: block; }
.tab {
  border: 1px solid var(--border-strong); border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-4); background: var(--surface);
  color: var(--text); font-weight: 600; font-size: var(--step--1);
}
.tab:hover { background: var(--surface-2); color: var(--text); }

/* ---- Forms ----------------------------------------------------------------*/
.field { display: grid; gap: var(--space-2); text-align: start; }
.label { font-size: var(--step--1); font-weight: 650; color: var(--text); }
.label .req { color: var(--danger); }
.help { font-size: var(--step--1); color: var(--text-subtle); }
.input, .textarea, .select {
  width: 100%; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 0.7em 0.85em;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.textarea { min-height: 7.5rem; resize: vertical; }
.select[multiple] { min-height: 8rem; padding: var(--space-2); }
.field--error .input, .field--error .textarea, .field--error .select { border-color: var(--danger); }
.field__error { font-size: var(--step--1); color: var(--danger); font-weight: 550; }
.form-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); align-items: start; }
.field--wide { grid-column: 1 / -1; }
/* Checkbox beside its wording, not stacked under it: a bare checkbox stretched
   into a grid cell rendered adrift from the label it belongs to. `order` does the
   swap so the markup stays shared with every other field type. */
.field--check { grid-template-columns: auto minmax(0, 1fr); align-items: center; }
.field--check input[type="checkbox"] { order: 1; width: 1.1rem; height: 1.1rem; margin: 0; accent-color: var(--accent); }
.field--check .label { order: 2; font-weight: 550; }
.field--check .help, .field--check .field__error { order: 3; grid-column: 1 / -1; }

/* ---- Filter bar (dropdown facets) -----------------------------------------*/
.filter-bar {
  /* Sticks to the top so the filters stay reachable while scrolling results,
     without a modal or an interstitial step. `top: -1px` + a slightly stronger
     shadow once stuck keeps it from looking like a detached floating bar. */
  position: sticky; top: -1px; z-index: 30;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); padding: var(--space-4);
  transition: box-shadow var(--dur) var(--ease);
}
@supports (animation-timeline: view()) {
  .filter-bar { box-shadow: var(--shadow-sm); }
}
.filter-bar__fields { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.filter-bar__actions { display: flex; gap: var(--space-2); align-items: center; }
.filter-bar__selected {
  display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center;
  margin-top: var(--space-4); padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.filter-note { margin-top: var(--space-3); }

/* Dropdown field: <details> styled as a form control, panel overlays content. */
.dropdown { position: relative; }
.dropdown__control {
  display: flex; align-items: baseline; gap: var(--space-2);
  width: 100%; cursor: pointer; list-style: none;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 0.7em 0.85em; font-size: var(--step-0);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.dropdown__control::-webkit-details-marker { display: none; }
.dropdown__control:hover { border-color: var(--accent); }
.dropdown[open] > .dropdown__control { border-color: var(--accent); box-shadow: var(--ring); }
.dropdown__control:focus-visible { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.dropdown__label { font-size: var(--step--1); font-weight: 650; color: var(--text-muted); }
.dropdown__value { font-weight: 600; flex: 1; }
.dropdown__caret {
  /* Physical borders are deliberate here: right+bottom rotated 45deg is a
     symmetric down-chevron, so it reads the same in RTL. Logical properties
     would flip it to point the wrong way. */
  width: 0.5em; height: 0.5em; align-self: center; flex: none;
  border-right: 2px solid var(--text-subtle); border-bottom: 2px solid var(--text-subtle);
  transform: rotate(45deg); margin-top: -0.25em;
}
.dropdown[open] .dropdown__caret { transform: rotate(-135deg); margin-top: 0.15em; }
/* Mobile: fields are stacked, so the panel stays in flow — an overlay would
   cover the next field and the Apply button. Desktop switches to an overlay
   below so the results grid is never pushed down. */
.dropdown__panel {
  margin-block-start: var(--space-2);
  min-width: 100%; max-height: 17rem; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: var(--space-2); display: grid; gap: 2px;
}
.option {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 0.5em 0.6em; border-radius: var(--radius-sm); cursor: pointer;
  font-size: var(--step--1); color: var(--text); white-space: nowrap;
}
.option:hover { background: var(--surface-2); }
.option input { accent-color: var(--accent); flex: none; margin: 0; }
.option__name { flex: 1; }
.option__count { color: var(--text-subtle); font-variant-numeric: tabular-nums; }
/* Hierarchy depth. Indent marks the level and the border gives the tree a visible
   spine; both use logical properties so they mirror correctly in RTL. Applied to
   categories and locations alike — the two hierarchies read the same way. */
.option--depth0 .option__name { font-weight: 600; }
.option--depth1, .option--depth2 {
  border-inline-start: 2px solid var(--border);
  border-start-start-radius: 0; border-end-start-radius: 0;
}
.option--depth1 { margin-inline-start: var(--space-4); }
.option--depth2 { margin-inline-start: var(--space-7); }
.option--depth1 .option__name, .option--depth2 .option__name { color: var(--text-muted); }
/* An ancestor of the current selection. Not checked — checking Alborz as well as
   Karaj would mean the whole province — but the branch you are inside has to look
   different from the thirty provinces you are not. */
.option--on-path .option__name { color: var(--text); font-weight: 650; }
.option--on-path { background: var(--surface-2); }

/* Selection tree — an already-chosen hierarchy shown in place (owner panel).
   Rows, not cards: a card per node split one nested place into several tiles that
   read as unrelated areas. Depth comes from a `--depth` custom property set on the
   row, so it scales to all five location levels without a class per level, and the
   spine plus indent use logical properties to mirror in RTL. */
.tree { list-style: none; margin: 0; padding: 0; }
.tree__row {
  display: flex; align-items: center; gap: var(--space-3);
  /* Deep rows carry a long name plus type, flag and Remove. Without wrapping,
     a long name (Persian district names run long) overlapped the type label at
     390px — the row must reflow instead. */
  flex-wrap: wrap;
  padding-block: var(--space-2);
  /* Mobile-first: a neighborhood sits four levels deep, and the wider desktop
     step would spend a quarter of a 390px screen on indent alone. */
  padding-inline-start: calc(var(--depth, 0) * var(--space-3));
  font-size: var(--step--1);
}
.tree__row + .tree__row { border-top: 1px solid var(--border); }
.tree__name { font-weight: 600; color: var(--text); min-width: 0; overflow-wrap: anywhere; }
.tree__type { color: var(--text-subtle); white-space: nowrap; }
/* Ancestors nobody picked: present for orientation, so they recede and offer no
   controls. Without them a bare "Karaj" never says which province it is in. */
.tree__row--context .tree__name { font-weight: 500; color: var(--text-muted); }
.tree__flag {
  font-size: var(--step--1); font-weight: 700; letter-spacing: 0.02em;
  text-transform: uppercase; color: var(--accent); white-space: nowrap;
}
/* Not-yet-live states are information, not achievements — they should not read
   as loud as the accent colour reserved for "this is working". */
.tree__flag--muted { color: var(--text-subtle); }
/* Supporting text (a section's bio excerpt). Truncates rather than pushing the
   controls off the row; on a narrow screen it wraps to its own line instead. */
/* Supporting text (a section's bio excerpt). Truncates rather than pushing the
   controls off the row. On mobile it always takes its own line — sharing the row
   left it inline on short names and wrapped on long ones, which read as broken. */
.tree__note {
  color: var(--text-muted); flex: 1 1 100%; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tree__actions { margin-inline-start: auto; flex: none; }
/* Separate root hierarchies from each other more strongly than sibling rows. */
.tree + .tree { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 2px solid var(--border-strong); }

/* Profile setup checklist (owner dashboard). Shares the tree's row rhythm but is
   flat, so it gets its own names — `.tree__*` means hierarchy. Done steps recede
   to one quiet line; what is left to do is what the block is about. */
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist__item {
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  padding-block: var(--space-3); font-size: var(--step--1);
}
.checklist__item + .checklist__item { border-top: 1px solid var(--border); }
.checklist__mark { flex: none; font-weight: 700; color: var(--text-subtle); }
.checklist__item--done { padding-block: var(--space-2); }
.checklist__item--done .checklist__mark { color: var(--success); }
.checklist__item--done .checklist__label { color: var(--text-muted); }
.checklist__label { font-weight: 600; color: var(--text); }
/* Required is a property of the step, not a thing the button does — the button
   always says what it does. */
.checklist__required {
  flex: none; font-size: var(--step--1); font-weight: 700; letter-spacing: 0.02em;
  text-transform: uppercase; color: var(--danger);
}
/* The reason, not the instruction. Its own line on mobile, inline when there is
   room — on a wide screen three stacked lines per step read as disconnected. */
.checklist__why { color: var(--text-muted); flex: 1 1 100%; min-width: 0; }
.checklist__action { margin-inline-start: auto; flex: none; }

/* Media grids. Fixed aspect tiles so a wall of mixed portrait and landscape photos
   still reads as a grid rather than a ragged column.

   The tinted background is a deliberate placeholder: with width/height on every img
   the browser reserves the box before the bytes arrive, so a slow connection sees a
   calm grey block that becomes a photo — not a page that jumps. That is cheaper and
   steadier than a skeleton animation, which mostly advertises that something is
   slow. */
.media-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 180px), 1fr)); }
.media-tile { margin: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.media-tile img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--surface-2); }
.media-tile figcaption { padding: var(--space-3); font-size: var(--step--1); }
.media-tile--logo { border-color: var(--accent); }

/* Profile logo on the public page and on result cards. */
/* `margin-inline: auto` because the global reset makes images block-level, so the
   hero's text-align does not centre them. */
/* Same reasoning: a reserved, tinted box rather than a collapsing space. */
.profile-logo { width: 4.5rem; height: 4.5rem; margin-inline: auto; border-radius: var(--radius); object-fit: cover; background: var(--surface-2); }
.card__logo { width: 2.5rem; height: 2.5rem; border-radius: var(--radius-sm); object-fit: cover; flex: none; background: var(--surface-2); }

/* Selected-filter chips (removable) */
.facet-group__label { font-size: var(--step--1); font-weight: 700; color: var(--text-muted); }
.facet {
  display: inline-flex; align-items: center; gap: var(--space-2);
  border: 1px solid var(--border-strong); border-radius: var(--radius-pill);
  padding: 0.4em 0.85em; font-size: var(--step--1); font-weight: 600;
  color: var(--text); background: var(--surface);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.facet:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.facet--active { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.facet--active:hover { background: var(--accent-hover); color: var(--on-accent); }
.facet__x { font-weight: 700; margin-inline-start: var(--space-1); }

@media (min-width: 720px) {
  .filter-bar__fields {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: var(--space-4); align-items: center;
  }
  .dropdown__panel {
    position: absolute; z-index: 20;
    inset-inline-start: 0; inset-block-start: calc(100% + var(--space-2));
    margin-block-start: 0;
  }
  /* Room to spare here, so give the hierarchy a clearer step than on mobile. */
  .tree__row { padding-inline-start: calc(var(--depth, 0) * var(--space-5)); }
  /* Wide enough for the note to share the row with the name and controls. */
  .tree__note { flex: 1 1 12rem; }
  .checklist__why { flex: 1 1 14rem; }
}

/* ---- Category tiles (home) ------------------------------------------------*/
.tiles { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); }
.tile {
  display: flex; flex-direction: column; gap: var(--space-1);
  min-height: 4.5rem; justify-content: center;
  padding: var(--space-4) var(--space-5);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); color: var(--text);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.tile__name { font-weight: 650; font-size: var(--step-0); }
.tile__meta { font-size: var(--step--1); color: var(--text-subtle); }

/* ---- Breadcrumb -----------------------------------------------------------*/
.breadcrumb { padding-block-start: var(--space-5); font-size: var(--step--1); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin: 0; padding: 0; }
.breadcrumb li { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--text-subtle); }
/* Separator is a slash rather than an arrow: direction-neutral, so it needs no RTL
   variant. Generated content is decorative and hidden from assistive tech. */
.breadcrumb li + li::before { content: "/"; color: var(--border-strong); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--text); font-weight: 550; }

/* ---- Directory results -----------------------------------------------------*/
.results-bar {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  align-items: baseline; justify-content: space-between;
}
.results-count { color: var(--text-muted); font-size: var(--step--1); margin: 0; }
.sort { display: flex; flex-wrap: wrap; gap: var(--space-1); align-items: center; }
.sort__label { font-size: var(--step--1); color: var(--text-subtle); margin-inline-end: var(--space-1); }
.sort__option {
  font-size: var(--step--1); font-weight: 550; color: var(--text-muted);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-pill);
}
.sort__option:hover { background: var(--surface-2); color: var(--text); }
.sort__option--active { background: var(--accent-soft); color: var(--accent); font-weight: 650; }

.result-meta { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; color: var(--text-subtle); font-size: var(--step--1); }
.meta-item { display: inline-flex; align-items: center; gap: var(--space-2); }
.result-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.6; }

/* ---- Alerts / notices -----------------------------------------------------*/
.alert {
  display: flex; gap: var(--space-3); align-items: flex-start;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: var(--space-4); background: var(--surface); color: var(--text-muted);
}
.alert--success { background: var(--success-soft); border-color: transparent; color: var(--success); }
.alert--info { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.alert--danger, .alert--error { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.notice { border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-4); background: var(--surface-2); color: var(--text-muted); }

/* ---- Footer ---------------------------------------------------------------*/
.footer { border-top: 1px solid var(--border); margin-top: var(--space-9); padding-block: var(--space-6); color: var(--text-subtle); font-size: var(--step--1); }
.footer-inner { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; align-items: center; }

/* ---- Utilities ------------------------------------------------------------*/
.text-center { text-align: center; }
.divider { height: 1px; background: var(--border); border: 0; margin-block: var(--space-6); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}