/**
 * =============================================================================
 * QWHPI — Quebec Weekly Housing Price Index
 * Author  : Simon-Pierre Boucher
 * Contact : contact@spboucher.ai
 * File    : web/styles/globals.css
 * Purpose : Global styles — validated palette tokens (light + dark),
 *           editorial layout, refined cards, hero, chart chrome.
 * =============================================================================
 */

:root {
  color-scheme: light;
  --surface-0: #f6f5f1;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --border: #e3e2db;
  --border-strong: #d2d1c8;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #716f66;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;
  --series-5: #e87ba4;
  --band: rgba(42, 120, 214, 0.14);
  --accent-soft: rgba(42, 120, 214, 0.08);
  --good: #008300;
  --serious: #e34948;
  --shadow-card: 0 1px 2px rgba(20, 20, 15, 0.04), 0 4px 16px rgba(20, 20, 15, 0.05);
  --shadow-card-hover: 0 2px 4px rgba(20, 20, 15, 0.06), 0 10px 28px rgba(20, 20, 15, 0.09);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #131312;
  --surface-1: #1a1a19;
  --surface-2: #262624;
  --border: #33332f;
  --border-strong: #45453f;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #98968d;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --band: rgba(57, 135, 229, 0.22);
  --accent-soft: rgba(57, 135, 229, 0.12);
  --good: #37a437;
  --serious: #e66767;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #131312;
    --surface-1: #1a1a19;
    --surface-2: #262624;
    --border: #33332f;
    --border-strong: #45453f;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #98968d;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
    --band: rgba(57, 135, 229, 0.22);
    --accent-soft: rgba(57, 135, 229, 0.12);
    --good: #37a437;
    --serious: #e66767;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-card-hover: 0 2px 4px rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 400px at 50% -200px, var(--accent-soft), transparent),
    var(--surface-0);
  color: var(--text-primary);
  font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", sans-serif);
  line-height: 1.55;
  font-feature-settings: "tnum";
}

a { color: var(--series-1); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px 24px; }

/* ------------------------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--surface-1) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--font-display, serif);
  font-weight: 700; font-size: 20px; letter-spacing: -0.01em;
  color: var(--text-primary);
}
.brand:hover { text-decoration: none; }
.brand small {
  font-family: var(--font-sans);
  color: var(--text-muted); font-weight: 400; font-size: 12.5px;
}
.site-header nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-header nav a {
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  padding: 6px 12px; border-radius: 999px;
  transition: background 0.15s, color 0.15s;
}
.site-header nav a:hover {
  color: var(--text-primary); background: var(--surface-2);
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 13px;
  padding: 28px 24px 36px; text-align: center; margin-top: 56px;
}

/* -------------------------------------------------------------------- hero */
.hero {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  padding: 40px 0 8px;
}
.hero h1 {
  font-family: var(--font-display, serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700; letter-spacing: -0.02em;
  margin: 0 0 6px; line-height: 1.15;
}
.hero .lede { margin: 0; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--series-1);
  margin-bottom: 12px;
}
.hero-kicker::before {
  content: ""; width: 22px; height: 2px; background: var(--series-1);
  border-radius: 2px;
}

/* ------------------------------------------------------------------- cards */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card.hoverable:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}
.card-title {
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  color: var(--text-secondary); margin: 0 0 10px;
}

.stat-tile { display: flex; flex-direction: column; gap: 3px; }
.stat-tile .label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--text-muted);
}
.stat-tile .value {
  font-size: 32px; font-weight: 700; letter-spacing: -0.02em;
  font-family: var(--font-display, serif); line-height: 1.15;
}
.stat-tile .value.money { font-variant-numeric: tabular-nums; }
.stat-tile .delta { font-size: 13px; color: var(--text-secondary); }
.delta.up { color: var(--good); font-weight: 600; }
.delta.down { color: var(--serious); font-weight: 600; }

.grid { display: grid; gap: 16px; }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(min(210px, 100%), 1fr)); }
.grid.cols-5 { grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr)); }

/* ---------------------------------------------------------------- controls */
.controls {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin: 18px 0;
}
.controls label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--text-muted);
}
select, button.ctrl, input[type="date"] {
  background: var(--surface-1); color: var(--text-primary);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 8px 13px; font-size: 14px; font-family: inherit;
  box-shadow: 0 1px 2px rgba(20, 20, 15, 0.03);
}
button.ctrl { cursor: pointer; transition: background 0.15s, border-color 0.15s; }
button.ctrl:hover { background: var(--surface-2); }
button.ctrl[aria-pressed="true"] {
  border-color: var(--series-1); color: var(--series-1);
  background: var(--accent-soft);
}
a.ctrl {
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 8px 13px; font-size: 14px;
}
a.ctrl:hover { background: var(--surface-2); text-decoration: none; }

.seg {
  display: inline-flex; border: 1px solid var(--border-strong);
  border-radius: 10px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(20, 20, 15, 0.03);
}
.seg button {
  border: none; background: var(--surface-1); color: var(--text-secondary);
  padding: 8px 14px; font-size: 13.5px; font-weight: 500; cursor: pointer;
  font-family: inherit;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed="true"] {
  background: var(--series-1); color: #fff; font-weight: 600;
}

/* ------------------------------------------------------------------ badges */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 3px 11px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--border); color: var(--text-secondary);
  background: var(--surface-1);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  background: var(--surface-1); color: var(--text-primary);
  padding: 6px 13px; font-size: 13.5px; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.chip:hover { border-color: var(--serious); background: var(--surface-2); }

/* ------------------------------------------------------------------ tables */
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td {
  text-align: right; padding: 9px 12px; border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th {
  color: var(--text-muted); font-weight: 600; font-size: 12px;
  letter-spacing: 0.05em; text-transform: uppercase;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background 0.12s; }
table.data tbody tr:hover { background: var(--surface-2); }

/* ---------------------------------------------------------------- headings */
h1 {
  font-family: var(--font-display, serif);
  font-size: 30px; letter-spacing: -0.02em; margin: 30px 0 6px;
}
h2 {
  font-family: var(--font-display, serif);
  font-size: 21px; letter-spacing: -0.01em; margin: 34px 0 12px;
}
p.lede { color: var(--text-secondary); margin-top: 0; font-size: 15.5px; }

.note { font-size: 13px; color: var(--text-muted); }
.low-reliability-note {
  font-size: 13px; color: var(--text-secondary);
  background: var(--surface-2); border-radius: 10px; padding: 10px 14px;
  border-left: 3px solid var(--series-4);
  margin: 10px 0;
}

/* ------------------------------------------------------------ chart pieces */
.chart-tooltip {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 9px 13px;
  font-size: 13px;
  box-shadow: var(--shadow-card-hover);
}
.chart-tooltip .tt-label { color: var(--text-muted); font-size: 12px; }
.chart-tooltip .tt-value { font-weight: 700; font-size: 15px; }
.chart-tooltip .tt-ci { color: var(--text-muted); font-weight: 400; font-size: 12.5px; }
.chart-tooltip .tt-raw { color: var(--text-secondary); }
.chart-tooltip .tt-n { color: var(--text-muted); font-size: 12px; }

code {
  background: var(--surface-2);
  border-radius: 6px; padding: 1px 6px; font-size: 0.9em;
}

/* ------------------------------------------------------------- v3: pulse */
button.primary, a.primary {
  background: var(--series-1); color: #fff; border: none;
  border-radius: 10px; padding: 9px 16px; font-size: 14px; font-weight: 600;
  cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 2px 8px rgba(42, 120, 214, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}
button.primary:hover, a.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(42, 120, 214, 0.4);
  text-decoration: none;
}

table.pulse { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.pulse th, table.pulse td {
  text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
table.pulse th:first-child, table.pulse td:first-child { text-align: left; }
table.pulse th {
  color: var(--text-muted); font-weight: 600; font-size: 11px;
  letter-spacing: 0.05em; text-transform: uppercase;
  background: var(--surface-1);
}
table.pulse tbody tr { cursor: pointer; transition: background 0.12s; }
table.pulse tbody tr:hover { background: var(--surface-2); }
td.heat { font-weight: 600; border-radius: 4px; }

.record-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 700; color: var(--good);
}

.mini-tile { padding: 12px 14px; }
.mini-tile .label { font-size: 10.5px; }
.mini-tile .value { font-size: 20px; }
.grid.cols-8 { grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr)); }

/* ---------------------------------------------------------- v4 foundations */
body, .card, .site-header, .site-footer, select, button.ctrl, a.ctrl,
input, .seg button, .badge, .chip, table.pulse th {
  transition: background-color 0.25s ease, color 0.25s ease,
    border-color 0.25s ease, box-shadow 0.2s ease;
}

@keyframes qhpi-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.fade-up { animation: qhpi-fade-up 0.45s cubic-bezier(0.2, 0.7, 0.3, 1) both; }
.fade-up.d1 { animation-delay: 0.06s; }
.fade-up.d2 { animation-delay: 0.12s; }
.fade-up.d3 { animation-delay: 0.18s; }

@keyframes qhpi-shimmer {
  0% { background-position: 180% 0; }
  100% { background-position: -20% 0; }
}
.skeleton {
  border-radius: 10px;
  background: linear-gradient(100deg, var(--surface-2) 40%,
    color-mix(in srgb, var(--border) 65%, var(--surface-2)) 50%,
    var(--surface-2) 60%);
  background-size: 200% 100%;
  animation: qhpi-shimmer 1.4s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.brand-mark { flex: none; display: inline-flex; align-self: center; }

:focus-visible {
  outline: 2px solid var(--series-1);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (max-width: 680px) {
  .container { padding: 0 14px 20px; }
  .site-header { padding: 10px 14px; gap: 8px; }
  .site-header nav a { padding: 5px 9px; font-size: 13px; }
  .hero { padding: 22px 0 4px; }
  .stat-tile .value { font-size: 25px; }
  .card { padding: 14px; border-radius: 13px; }
  .controls { gap: 8px; margin: 12px 0; }
  table.pulse { font-size: 12.5px; }
  table.pulse th, table.pulse td { padding: 6px 7px; }
  h1 { font-size: 25px; }
  h2 { font-size: 18px; }
}

/* -------------------------------------------------------------- v5: hot */
/* Subtle film grain over the whole app */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.35; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0 0.5 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 2; }

/* Ticker tape */
.ticker-shell {
  overflow: hidden; white-space: nowrap;
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
  margin: 0 -24px; padding: 7px 0; min-height: 36px;
}
.ticker-track { display: inline-flex; }
.ticker-group {
  display: inline-flex; align-items: center;
  animation: ticker-scroll 55s linear infinite;
}
.ticker-shell:hover .ticker-group { animation-play-state: paused; }
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
.ticker-item {
  display: inline-flex; align-items: baseline; gap: 7px;
  padding: 0 18px; font-size: 12.5px; color: var(--text-primary);
  border-right: 1px solid var(--border);
}
.ticker-item:hover { text-decoration: none; background: var(--surface-2); }
.ticker-name { color: var(--text-secondary); font-weight: 600; }
.ticker-val { font-variant-numeric: tabular-nums; font-weight: 700; }
.ticker-item .delta { font-size: 11.5px; }

/* Mega hero number */
.hero-mega {
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
}
.hero-mega .big {
  font-family: var(--font-display, serif);
  font-size: clamp(52px, 7vw, 84px); font-weight: 700;
  line-height: 1; letter-spacing: -0.03em;
  background: linear-gradient(160deg, var(--text-primary) 55%, var(--series-1));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-mega .sub { font-size: 13.5px; color: var(--text-secondary); }

/* Hero chart draw-in */
.hero-chart { padding: 14px 14px 6px; overflow: hidden; }
.hero-line {
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: hero-draw 1.6s cubic-bezier(0.4, 0, 0.2, 1) 0.15s forwards;
}
.hero-area, .hero-band { opacity: 0; animation: hero-fade 0.8s ease 1.25s forwards; }
.hero-dot { opacity: 0; animation: hero-fade 0.5s ease 1.6s forwards; }
.hero-pulse {
  opacity: 0; transform-origin: center; transform-box: fill-box;
  animation: hero-fade 0.5s ease 1.6s forwards,
    hero-ping 2.4s ease-out 2.1s infinite;
}
@keyframes hero-draw { to { stroke-dashoffset: 0; } }
@keyframes hero-fade { to { opacity: 1; } }
@keyframes hero-ping {
  0% { transform: scale(0.6); opacity: 0.45; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { opacity: 0; }
}

/* Podium */
.podium { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); }
.podium .card { position: relative; overflow: hidden; }
.podium .card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
}
.podium .p1::after { background: linear-gradient(90deg, #eda100, #ffd977); }
.podium .p2::after { background: linear-gradient(90deg, #9a9a94, #d8d8d2); }
.podium .p3::after { background: linear-gradient(90deg, #b0713d, #dda67a); }
.podium .medal { font-size: 20px; }

/* Command palette */
.palette-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: color-mix(in srgb, var(--surface-0) 55%, transparent);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 12vh 16px 0;
  animation: qhpi-fade-up 0.18s ease both;
}
.palette {
  width: 100%; max-width: 560px;
  background: var(--surface-1); border: 1px solid var(--border-strong);
  border-radius: 16px; box-shadow: var(--shadow-card-hover);
  overflow: hidden;
}
.palette-input {
  width: 100%; border: none; outline: none;
  background: transparent; color: var(--text-primary);
  padding: 16px 18px; font-size: 16px; font-family: inherit;
  border-bottom: 1px solid var(--border);
}
.palette-list { list-style: none; margin: 0; padding: 6px; max-height: 320px; overflow-y: auto; }
.palette-item {
  width: 100%; display: flex; justify-content: space-between; gap: 10px;
  border: none; background: none; text-align: left; cursor: pointer;
  padding: 10px 12px; border-radius: 10px; font-size: 14px;
  color: var(--text-primary); font-family: inherit;
}
.palette-item.active { background: var(--accent-soft); color: var(--series-1); }
.palette-hint { color: var(--text-muted); font-size: 12px; }
.palette-empty { padding: 14px; color: var(--text-muted); font-size: 13.5px; }
.palette-foot {
  display: flex; gap: 16px; padding: 8px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted); font-size: 11.5px;
}
.kbd-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface-1); color: var(--text-secondary);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 6px 11px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.kbd-btn:hover { background: var(--surface-2); }
.kbd-btn kbd {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 0 5px; font-size: 11px;
  font-family: inherit; color: var(--text-muted);
}

@media (max-width: 680px) {
  .ticker-shell { margin: 0 -14px; }
  .hero-mega { align-items: flex-start; }
}

/* -------------------------------------------------- v5.1: mobile polish */
@media (max-width: 680px) {
  /* Compact header: brand + toggle on one row, nav scrolls on its own row */
  .brand small { display: none; }
  .kbd-btn { display: none; }
  .site-header { row-gap: 6px; }
  .site-header nav {
    order: 3; flex: 1 0 100%;
    flex-wrap: nowrap; overflow-x: auto;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    margin: 0 -4px; padding: 0 4px;
  }
  .site-header nav::-webkit-scrollbar { display: none; }
  .site-header nav a { flex: none; }

  /* Hero: number below the title, full width */
  .hero { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-mega { align-items: flex-start; }

  /* Pulse table: drop secondary columns (1m, 6m, vs peak, $ value) —
     the full set remains in Explore's data table and the CSV/PDF exports */
  table.pulse th:nth-child(4), table.pulse td:nth-child(4),
  table.pulse th:nth-child(6), table.pulse td:nth-child(6),
  table.pulse th:nth-child(9), table.pulse td:nth-child(9),
  table.pulse th:nth-child(11), table.pulse td:nth-child(11) { display: none; }

  .controls input[type="text"] { flex: 1 1 160px; min-width: 0; }
  .controls input[type="range"] { flex: 1 1 110px; min-width: 0; }
  .ticker-item { padding: 0 12px; }
  .hero-chart { padding: 10px 8px 4px; }
  .primary, a.primary { padding: 8px 13px; font-size: 13.5px; }
  .palette-backdrop { padding: 8vh 10px 0; }
}

@media (max-width: 400px) {
  .stat-tile .value { font-size: 22px; }
  .mini-tile .value { font-size: 17px; }
  h2 { font-size: 17px; }
}