/* Recognize Singles Day — USPS Postmark Edition
   ------------------------------------------------
   Design goals:
   - Mobile-first masthead + minimal UI
   - Postal paper + cancellation motif (subtle)
   - Strong thematic layer legibility
*/

:root{
  --paper: #181818;
  --paper-2: #f1eadc;
  --ink: #162034;
  --ink-2: #2a3550;
  --muted: rgba(22,32,52,.70);
  --hair: rgba(22,32,52,.22);
  --hair-2: rgba(22,32,52,.12);
  --shadow: rgba(0,0,0,.18);
  --tip: rgba(246,241,230,.96);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: radial-gradient(1200px 700px at 20% 15%, var(--paper), var(--paper-2));
  color: var(--ink);
  font-family: "Source Serif 4", ui-serif, Georgia, serif;
}

.nowrap{ white-space:nowrap; }

/* Masthead */
.masthead{
  position: sticky;
  top: 0;
  z-index: 50;
  background:
    linear-gradient(to bottom, rgba(246,241,230,.96), rgba(246,241,230,.88)),
    repeating-linear-gradient(135deg, rgba(22,32,52,.06) 0 6px, rgba(22,32,52,.02) 6px 14px);
  border-bottom: 1px solid var(--hair);
  backdrop-filter: blur(6px);
}

.masthead__inner{
  padding: 12px 14px 10px;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.masthead__kicker{
  font-family: "Oswald", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead__title{
  margin: 2px 0 0;
  font-family: "Oswald", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: clamp(22px, 5vw, 42px);
  line-height: 1.05;
}

.masthead__sub{
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.25;
  color: var(--muted);
}

/* Stage */
.stage{
  padding: 14px;
  max-width: 1080px;
  margin: 0 auto;
}

.map-card{
  position: relative;
  border-radius: 4px;
  border: 1px solid var(--hair);
  background:
    /* subtle paper grain */
    radial-gradient(800px 420px at 30% 20%, rgba(255,255,255,.45), rgba(255,255,255,0)),
    repeating-linear-gradient(0deg, rgba(22,32,52,.03) 0 1px, rgba(22,32,52,0) 1px 6px);
  box-shadow: 0 14px 40px var(--shadow);
  overflow: hidden;
  min-height: min(72vh, 720px);
}

.map-card__frame{
  position:absolute;
  inset:10px;
  border-radius: 4px;
  border: 1px dashed rgba(22,32,52,.20);
  pointer-events: none;
}

/* Perforation-ish edge */
.map-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 0 0, rgba(0,0,0,0) 0 10px, rgba(22,32,52,.07) 11px 12px, rgba(0,0,0,0) 13px),
    radial-gradient(circle at 100% 0, rgba(0,0,0,0) 0 10px, rgba(22,32,52,.07) 11px 12px, rgba(0,0,0,0) 13px),
    radial-gradient(circle at 0 100%, rgba(0,0,0,0) 0 10px, rgba(22,32,52,.07) 11px 12px, rgba(0,0,0,0) 13px),
    radial-gradient(circle at 100% 100%, rgba(0,0,0,0) 0 10px, rgba(22,32,52,.07) 11px 12px, rgba(0,0,0,0) 13px);
  opacity:.55;
  pointer-events:none;
}

.viz{
  position:absolute;
  inset:0;
}

/* UI overlays */
.ui{
  position:absolute;
  top: 14px;
  display:flex;
  flex-direction: column;
  gap: 10px;
  z-index: 20;
}

.ui--left{ left: 14px; }
.ui--right{ right: 14px; align-items: flex-end; }

.btn{
  font-family: "Oswald", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 10px 12px;
  border-radius: 4px;
  border: 1px solid var(--hair);
  background: rgba(246,241,230,.92);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0,0,0,.08);
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }
.btn--ghost{ background: rgba(246,241,230,.72); }
.btn--close{
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 18px;
  line-height: 1;
}

.legend{
  width: min(280px, calc(100vw - 28px));
  border-radius: 4px;
  border: 1px solid var(--hair);
  background: rgba(246,241,230,.92);
  overflow:hidden;
  box-shadow: 0 10px 22px rgba(0,0,0,.08);
}
.legend__summary{
  list-style:none;
  cursor:pointer;
  padding: 10px 12px;
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-family: "Oswald", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing:.06em;
  font-size: 13px;
}
.legend__summary::-webkit-details-marker{ display:none; }
.legend__hint{
  font-family: "Source Serif 4", ui-serif, Georgia, serif;
  text-transform:none;
  letter-spacing:0;
  font-size: 12px;
  color: var(--muted);
}
.legend__content{ padding: 10px 12px 12px; border-top: 1px solid var(--hair-2); }
.legend__bins{ display:grid; gap: 8px; }
.legend__bin{ display:flex; align-items:center; gap:10px; font-size: 12px; color: var(--muted); }
.legend__swatch{ width: 18px; height: 12px; border-radius: 4px; border: 1px solid rgba(0,0,0,.18); }
.legend__note{ margin-top: 10px; font-size: 12px; color: var(--muted); line-height: 1.25; }
.pill{
  display:inline-block;
  padding: 2px 8px;
  border: 1px solid var(--hair);
  border-radius: 4px;
  margin-right: 6px;
  font-family: "Oswald", ui-sans-serif, system-ui;
  text-transform: uppercase;
  letter-spacing:.08em;
  font-size: 10px;
}

/* Tooltip (styled like a small label) */
.tip{
  position: fixed;
  z-index: 100;
  max-width: 280px;
  border-radius: 4px;
  border: 1px solid var(--hair);
  background: var(--tip);
  box-shadow: 0 12px 32px rgba(0,0,0,.20);
  padding: 10px 10px 8px;
  pointer-events: none; /* keeps interaction minimal */
}
.tip__title{
  font-family: "Oswald", ui-sans-serif, system-ui;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 14px;
  margin-bottom: 6px;
}
.tip__rows{ display:grid; gap: 5px; }
.tip__row{ display:flex; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--muted); }
.tip__row strong{ color: var(--ink); font-weight: 600; }
.tip__foot{ margin-top: 6px; font-size: 11px; color: rgba(22,32,52,.62); }

/* Footer line / postmark */
.footerline{
  position:absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  display:flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  z-index: 15;
  color: rgba(22,32,52,.60);
  font-size: 11px;
}
.footerline__stamp{
  font-family: "Oswald", ui-sans-serif, system-ui;
  letter-spacing:.14em;
  text-transform: uppercase;
  border: 1px solid rgba(22,32,52,.22);
  border-radius: 4px;
  padding: 4px 10px;
  background: rgba(246,241,230,.80);
}
.footerline__tiny{ text-align:right; }

/* Modal */

/* Hidden by default */
.modal[hidden] { display: none !important; }

.modal__backdrop{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.35);
  z-index: 150;
}
.modal{

  position:fixed;
  inset: 0;
  display:grid;
  place-items: center;
  z-index: 160;
  padding: 14px;
}
.modal__card{
  width: min(560px, 96vw);
  border-radius: 4px;
  background: rgba(246,241,230,.98);
  border: 1px solid var(--hair);
  box-shadow: 0 18px 60px rgba(0,0,0,.30);
  overflow:hidden;
}
.modal__head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap:10px;
  padding: 12px 12px;
  border-bottom: 1px solid var(--hair-2);
}
.modal__title{
  margin:0;
  font-family: "Oswald", ui-sans-serif, system-ui;
  letter-spacing:.06em;
  text-transform: uppercase;
  font-size: 16px;
}
.modal__body{ padding: 12px 12px 14px; color: var(--muted); }
.modal__p{ margin: 0 0 10px; line-height: 1.35; }
.modal__list{ margin: 0 0 10px 18px; padding:0; line-height: 1.4; }
.modal__madewith{ display:inline-block; margin-left: 6px; }
.modal a{ color: var(--ink-2); text-decoration: underline; }

/* County paths (SVG) */
.county{
  stroke: rgba(22,32,52,.14);
  stroke-width: .35;
}
.state-outline{
  fill: none;
  stroke: rgba(22,32,52,.30);
  stroke-width: .7;
  pointer-events:none;
}

/* Hotspot “ink bleed” effect */
.hotspot{
  filter: url(#inkBleed);
  stroke: rgba(22,32,52,.30);
  stroke-width: .7;
}

/* Small screens */
@media (max-width: 420px){
  .ui{ top: 10px; }
  .ui--left{ left: 10px; }
  .ui--right{ right: 10px; }
  .footerline{ left: 10px; right: 10px; }
}