/* =========================================================================
   SGliving.life — Design tokens
   Lineage: Airbnb-style marketplace. Single accent (Rausch #ff385c) used
   scarcely; pure white canvas; modest type; one shadow tier.
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  /* ---------- Color: Brand & Accent ---------- */
  --color-primary:           #ff385c;  /* Rausch — the single brand color */
  --color-primary-active:    #e00b41;  /* Press / pointer-down */
  --color-primary-disabled:  #ffd1da;  /* Pale Rausch tint for disabled CTAs */
  --color-luxe:              #460479;  /* Sub-brand only (Luxe) */
  --color-plus:              #92174d;  /* Sub-brand only (Plus) */

  /* ---------- Color: Surface ---------- */
  --color-canvas:            #ffffff;  /* Default page floor */
  --color-surface-soft:      #f7f7f7;  /* Disabled fields, sub-nav hover */
  --color-surface-strong:    #f2f2f2;  /* Circular icon-button surface */

  /* ---------- Color: Hairlines & Borders ---------- */
  --color-hairline:          #dddddd;  /* Default 1px border tone */
  --color-hairline-soft:     #ebebeb;  /* Long-scrolling editorial dividers */
  --color-border-strong:     #c1c1c1;  /* Disabled outline / focused input */

  /* ---------- Color: Text ---------- */
  --color-ink:               #222222;  /* Dominant text on light surfaces */
  --color-body:              #3f3f3f;  /* Long-form body / reviews */
  --color-muted:             #6a6a6a;  /* Sub-titles, inactive tabs */
  --color-muted-soft:        #929292;  /* Disabled link text */
  --color-on-primary:        #ffffff;  /* White on Rausch */

  /* ---------- Color: Semantic ---------- */
  --color-error:             #c13515;  /* Inline error text */
  --color-error-hover:       #b32505;  /* Error link hover */
  --color-legal-link:        #428bff;  /* Legal sub-band links only */

  /* ---------- Color: Scrim ---------- */
  --color-scrim:             rgba(0, 0, 0, 0.5);  /* Modal backdrop */

  /* ---------- Type: Family ---------- */
  --font-sans: "Inter", "Circular", -apple-system, system-ui, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;

  /* ---------- Type: Scale (size / weight / line-height / tracking) ---------- */
  /* The single loud moment in the system: */
  --type-rating-display:     700 64px/1.1 var(--font-sans);

  /* Display & section heads */
  --type-display-xl:         700 28px/1.43 var(--font-sans);   /* Homepage h1 */
  --type-display-lg:         500 22px/1.18 var(--font-sans);   /* Listing h1 */
  --type-display-md:         700 21px/1.43 var(--font-sans);   /* Section heads */
  --type-display-sm:         600 20px/1.2  var(--font-sans);   /* Sub-section */

  /* Titles */
  --type-title-md:           600 16px/1.25 var(--font-sans);   /* City link titles */
  --type-title-sm:           500 16px/1.25 var(--font-sans);   /* Footer column heads */

  /* Body */
  --type-body-md:            400 16px/1.5  var(--font-sans);   /* Default body */
  --type-body-sm:            400 14px/1.43 var(--font-sans);   /* Card meta */
  --type-link:               400 14px/1.43 var(--font-sans);   /* Inline links */

  /* Caption & micro */
  --type-caption:            500 14px/1.29 var(--font-sans);   /* Search labels */
  --type-caption-sm:         400 13px/1.23 var(--font-sans);   /* Footer legal */
  --type-badge:              600 11px/1.18 var(--font-sans);   /* Guest favorite */
  --type-micro-label:        700 12px/1.33 var(--font-sans);
  --type-uppercase-tag:      700 8px/1.25  var(--font-sans);   /* "NEW" tag */

  /* Buttons / nav */
  --type-button-md:          500 16px/1.25 var(--font-sans);
  --type-button-sm:          500 14px/1.29 var(--font-sans);
  --type-nav-link:           600 16px/1.25 var(--font-sans);

  /* Letter-spacing helpers (use as `letter-spacing: var(--tracking-tag)`) */
  --tracking-display-lg:     -0.44px;
  --tracking-display-sm:     -0.18px;
  --tracking-rating:         -1px;
  --tracking-tag:            0.32px;

  /* ---------- Spacing (4px base, 2px micro-step) ---------- */
  --space-xxs:    2px;
  --space-xs:     4px;
  --space-sm:     8px;
  --space-md:    12px;
  --space-base:  16px;
  --space-lg:    24px;
  --space-xl:    32px;
  --space-xxl:   48px;
  --space-section: 64px;

  /* ---------- Radii ---------- */
  --radius-sm:    8px;     /* Buttons, inputs */
  --radius-md:   14px;     /* Cards, photo plates */
  --radius-lg:   20px;
  --radius-xl:   32px;     /* Category strip pills */
  --radius-full: 9999px;   /* Search bar, orb, hearts, badges */

  /* ---------- Elevation: one tier only ---------- */
  --shadow-card:
    0 0 0 1px rgba(0, 0, 0, 0.02),
    0 2px 6px 0 rgba(0, 0, 0, 0.04),
    0 4px 8px 0 rgba(0, 0, 0, 0.10);

  /* ---------- Layout ---------- */
  --container-editorial: 1280px;
  --container-listing:   1080px;
  --container-wide:      1440px;
  --nav-height:          80px;

  /* ---------- Motion ---------- */
  --ease-out:  cubic-bezier(0.2, 0, 0, 1);
  --dur-hover: 160ms;
  --dur-modal: 200ms;
}

/* =========================================================================
   Reset & base
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: var(--type-body-md);
  color: var(--color-ink);
  background: var(--color-canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* =========================================================================
   Semantic type roles — apply via class for clarity
   ========================================================================= */
.t-rating-display { font: var(--type-rating-display); letter-spacing: var(--tracking-rating); color: var(--color-ink); }
.t-display-xl     { font: var(--type-display-xl); color: var(--color-ink); }
.t-display-lg     { font: var(--type-display-lg); letter-spacing: var(--tracking-display-lg); color: var(--color-ink); }
.t-display-md     { font: var(--type-display-md); color: var(--color-ink); }
.t-display-sm     { font: var(--type-display-sm); letter-spacing: var(--tracking-display-sm); color: var(--color-ink); }
.t-title-md       { font: var(--type-title-md); color: var(--color-ink); }
.t-title-sm       { font: var(--type-title-sm); color: var(--color-ink); }
.t-body-md        { font: var(--type-body-md); color: var(--color-ink); }
.t-body-sm        { font: var(--type-body-sm); color: var(--color-ink); }
.t-muted          { color: var(--color-muted); }
.t-body           { color: var(--color-body); }
.t-caption        { font: var(--type-caption); color: var(--color-ink); }
.t-caption-sm     { font: var(--type-caption-sm); color: var(--color-muted); }
.t-badge          { font: var(--type-badge); color: var(--color-ink); }
.t-micro          { font: var(--type-micro-label); color: var(--color-ink); }
.t-tag            { font: var(--type-uppercase-tag); letter-spacing: var(--tracking-tag); text-transform: uppercase; color: var(--color-on-primary); }
.t-link           { font: var(--type-link); color: var(--color-ink); text-decoration: underline; }
.t-link:hover     { color: var(--color-ink); }
.t-nav            { font: var(--type-nav-link); color: var(--color-ink); }

/* =========================================================================
   Component primitives
   ========================================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-sm);
  padding: 14px 24px; min-height: 48px;
  border-radius: var(--radius-sm); border: 0;
  font: var(--type-button-md);
  cursor: pointer; user-select: none;
  transition: background-color var(--dur-hover) var(--ease-out),
              color       var(--dur-hover) var(--ease-out);
}
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover  { background: #e83357; }
.btn-primary:active { background: var(--color-primary-active); }
.btn-primary:disabled { background: var(--color-primary-disabled); cursor: not-allowed; }
.btn-secondary {
  background: var(--color-canvas); color: var(--color-ink);
  box-shadow: inset 0 0 0 1px var(--color-ink);
}
.btn-secondary:hover { background: var(--color-surface-soft); }
.btn-tertiary {
  background: transparent; color: var(--color-ink);
  padding: 8px 0; min-height: 0;
}
.btn-tertiary:hover { text-decoration: underline; }
.btn-pill {
  border-radius: var(--radius-full); padding: 10px 20px; min-height: 0;
  background: var(--color-primary); color: var(--color-on-primary);
  font: var(--type-button-sm);
}

/* --- Cards --- */
.card {
  background: var(--color-canvas);
  border-radius: var(--radius-md);
  transition: box-shadow var(--dur-hover) var(--ease-out);
}
.card-hover:hover { box-shadow: var(--shadow-card); }
.card-bordered { border: 1px solid var(--color-hairline); }
.card-elevated { box-shadow: var(--shadow-card); }

/* --- Inputs --- */
.input {
  display: block; width: 100%;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-sm);
  height: 56px; padding: 14px 12px;
  font: var(--type-body-md); color: var(--color-ink);
}
.input:focus {
  outline: none;
  border-width: 2px; border-color: var(--color-ink);
  padding: 13px 11px;
}

/* --- Badges --- */
.badge-favorite {
  display: inline-flex; align-items: center;
  background: var(--color-canvas); color: var(--color-ink);
  font: var(--type-badge);
  padding: 6px 10px; border-radius: var(--radius-full);
  box-shadow: var(--shadow-card);
}
.tag-new {
  display: inline-block;
  background: var(--color-ink); color: var(--color-on-primary);
  font: var(--type-uppercase-tag);
  letter-spacing: var(--tracking-tag); text-transform: uppercase;
  padding: 3px 6px; border-radius: var(--radius-full);
}

/* --- Search --- */
.search-bar {
  display: inline-flex; align-items: center;
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  height: 64px; padding: 0 8px 0 0;
  box-shadow: var(--shadow-card);
}
.search-segment {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 24px; cursor: pointer;
  border-radius: var(--radius-full);
}
.search-segment:hover { background: var(--color-surface-strong); }
.search-segment + .search-segment { border-left: 1px solid var(--color-hairline); }
.search-segment-label { font: var(--type-caption); color: var(--color-ink); }
.search-segment-value { font: var(--type-body-sm); color: var(--color-muted); }
.search-orb {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  background: var(--color-primary); color: var(--color-on-primary);
  border-radius: var(--radius-full); border: 0; cursor: pointer;
}
.search-orb:hover { background: #e83357; }

/* --- Icon button (heart, back arrow) --- */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: transparent; border: 0; cursor: pointer;
  border-radius: var(--radius-full); color: var(--color-ink);
}
.icon-btn-circle {
  background: var(--color-surface-strong);
  width: 40px; height: 40px;
}

/* --- Top nav --- */
.top-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-height); padding: 0 80px;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
}
.product-tab {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 12px 8px; cursor: pointer;
  color: var(--color-muted); text-decoration: none;
}
.product-tab.is-active { color: var(--color-ink); border-bottom: 2px solid var(--color-ink); }
.product-tab-label { font: var(--type-nav-link); }