/* ================================================================
   LAND BUDDY — Production UI
   Stack  : system-ui · zero external deps · dark premium
   Palette: bleu Québec / Anthropic-inspired
   ================================================================ */

/* ── RESET ──────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── TOKENS ─────────────────────────────────────────────────────── */
:root {
  /* Surfaces */
  --bg-base:      #0A0E1A;
  --bg-surface:   #0F1526;
  --bg-raised:    #141D30;
  --bg-overlay:   #1A2540;

  /* Borders */
  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.10);
  --border-strong:  rgba(255, 255, 255, 0.16);

  /* Brand blues */
  --blue-vivid:   #3B82F6;
  --blue-bright:  #60A5FA;
  --blue-soft:    #93C5FD;
  --blue-dim:     #1D4ED8;

  /* Text */
  --text-primary:   #F1F5FE;
  --text-secondary: #8B9EC8;
  --text-tertiary:  #4E607E;
  --text-inverse:   #0A0E1A;

  /* Semantic */
  --green:  #34D399;
  --amber:  #FBBF24;
  --red:    #F87171;

  /* Typography — system-ui: works everywhere, no network needed */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
          "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Fira Code",
               "Consolas", monospace;

  /* Spacing scale */
  --sp-1: 4px;  --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px;  --sp-8: 32px;  --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px;

  /* Radii */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  20px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── BASE ───────────────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── BACKGROUND GRID ────────────────────────────────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, black 40%, transparent 100%);
}

/* ── HEADER ─────────────────────────────────────────────────────── */
header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-8);
  height: 60px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}

.logo-mark {
  flex-shrink: 0;
  border-radius: 8px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0px;
  line-height: 1.2;
}

.logo-name {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.2px;
  color: var(--text-primary);
}
.logo-name b {
  font-weight: 700;
}

.logo-sub {
  font-size: 10.5px;
  letter-spacing: 0.8px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.header-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.6px;
  color: var(--text-tertiary);
  border: 1px solid var(--border-default);
  padding: 4px 10px;
  border-radius: var(--r-pill);
}

/* ── MAIN ───────────────────────────────────────────────────────── */
main {
  position: relative;
  z-index: 5;
  flex: 1;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: var(--sp-16) var(--sp-6) var(--sp-12);
}

/* ── HERO ───────────────────────────────────────────────────────── */
.hero {
  margin-bottom: var(--sp-12);
  animation: fade-up 0.5s var(--ease) both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: var(--sp-4);
}

.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--blue-vivid);
  border-radius: 50%;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

.hero-title {
  font-size: clamp(32px, 5.5vw, 48px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
}

.hero-em {
  /* Gradient text — bleu Québec */
  background: linear-gradient(135deg, var(--blue-bright) 0%, var(--blue-soft) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 500px;
}

/* ── SEARCH ─────────────────────────────────────────────────────── */
.search-section {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-bottom: var(--sp-12);
  animation: fade-up 0.5s 0.08s var(--ease) both;
}

.search-field {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--r-lg);
  transition: border-color 0.15s, box-shadow 0.15s;
  overflow: hidden;
}

.search-field:focus-within {
  border-color: var(--blue-vivid);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.field-icon {
  flex-shrink: 0;
  margin-left: var(--sp-4);
  color: var(--text-tertiary);
}

#lotInput {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px var(--sp-4);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  caret-color: var(--blue-bright);
}

#lotInput::placeholder {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-tertiary);
}

#searchBtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 var(--sp-5);
  height: 100%;
  min-height: 52px;
  background: var(--blue-dim);
  color: #fff;
  border: none;
  border-left: 1px solid var(--border-subtle);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, gap 0.2s var(--ease);
}

#searchBtn:hover {
  background: var(--blue-vivid);
  gap: 12px;
}

#searchBtn:active { transform: scale(0.98); }
#searchBtn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Quick chips */
.quick-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-label {
  font-size: 12px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.chip:hover {
  color: var(--blue-bright);
  border-color: rgba(96, 165, 250, 0.4);
  background: rgba(59, 130, 246, 0.06);
}

/* ── RESULTS ────────────────────────────────────────────────────── */
.result-section {
  animation: fade-up 0.35s var(--ease) both;
}

.hidden { display: none !important; }

/* Loading */
.state-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  padding: 60px 0;
  color: var(--text-tertiary);
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

.loader {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-default);
  border-top-color: var(--blue-vivid);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Error */
.state-error {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  background: rgba(248, 113, 113, 0.06);
  border: 1px solid rgba(248, 113, 113, 0.2);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  color: var(--red);
  font-size: 14px;
}

.state-error svg { flex-shrink: 0; margin-top: 2px; }

/* ── RESULT CARD ────────────────────────────────────────────────── */
.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(59, 130, 246, 0.06),
    0 24px 48px rgba(0, 0, 0, 0.35);
}

/* Card header */
.rc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-6) var(--sp-8);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border-subtle);
  /* Accent stripe gauche */
  border-left: 3px solid var(--blue-vivid);
}

.rc-header-left { flex: 1; min-width: 0; }

.rc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.rc-lot {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  line-height: 1;
}

.rc-badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

/* Badges */
.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.4px;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  white-space: nowrap;
}

.badge-blue {
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: var(--blue-soft);
}

.badge-green {
  background: rgba(52, 211, 153, 0.10);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--green);
}

.badge-red {
  background: rgba(248, 113, 113, 0.10);
  border: 1px solid rgba(248, 113, 113, 0.28);
  color: var(--red);
}

/* Data grid */
.rc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-subtle);
}

.rc-cell {
  background: var(--bg-surface);
  padding: 16px var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.rc-cell-full  { grid-column: 1 / -1; }
.rc-cell-feature { background: var(--bg-raised); }

.cell-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.cell-val {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.4;
}

.cell-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--blue-bright);
  letter-spacing: 0.5px;
}

.cell-big {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

/* Actions */
.rc-actions {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-raised);
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.13s;
}

.action-primary {
  background: var(--blue-dim);
  color: #fff;
  border: 1px solid transparent;
}
.action-primary:hover { background: var(--blue-vivid); }

.action-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.action-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-overlay);
}

/* Summary block */
.rc-summary {
  padding: var(--sp-5) var(--sp-6);
  border-top: 1px solid var(--border-subtle);
}

.summary-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-3);
}

#rSummary {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Disclaimer */
.rc-disclaimer {
  padding: 11px var(--sp-6);
  border-top: 1px solid rgba(251, 191, 36, 0.12);
  background: rgba(251, 191, 36, 0.04);
  font-size: 12px;
  font-family: var(--font-mono);
  color: rgba(251, 191, 36, 0.55);
  letter-spacing: 0.2px;
}

/* ── FOOTER ─────────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--sp-6) var(--sp-8);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.3px;
}

footer b { font-weight: 600; color: var(--text-secondary); }
.ft-sep  { color: var(--border-strong); }

/* ── UTILITIES ──────────────────────────────────────────────────── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  60%       { transform: translateX(6px); }
}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
  header { padding: 0 var(--sp-4); }
  .header-badge { display: none; }
  .logo-name { font-size: 14px; }

  main { padding: var(--sp-10) var(--sp-4) var(--sp-10); }

  .hero-title { font-size: 28px; }

  .search-field { border-radius: var(--r-md); }
  #searchBtn { min-height: 48px; padding: 0 var(--sp-4); font-size: 13px; }
  #lotInput  { font-size: 15px; padding: 14px var(--sp-3); }

  .rc-grid { grid-template-columns: 1fr; }
  .rc-cell-full { grid-column: 1; }

  .rc-header {
    flex-direction: column;
    padding: var(--sp-5) var(--sp-5);
  }
  .rc-badges { flex-direction: row; }
  .rc-lot { font-size: 26px; }

  .rc-cell, .rc-actions, .rc-summary, .rc-disclaimer {
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
  }

  .rc-actions { gap: 8px; }
  .action-btn { font-size: 12px; padding: 8px 14px; }

  footer { flex-direction: column; gap: 4px; }
}