/* dwell.css — calm, editorial UI for a design-loving audience.
   Warm paper, charcoal ink, soft shadows, generous rounding. Mobile-first. */
:root {
  --paper: #f5f0e8;
  --paper-2: #ece4d7;
  --ink: #2e2a25;
  --ink-soft: #6b6256;
  --line: #e0d6c6;
  --accent: #b5765a;      /* warm terracotta */
  --accent-2: #7d9690;    /* muted sage */
  --gold: #c9a24a;
  --shadow: 0 8px 30px rgba(40, 32, 24, 0.18);
  --shadow-sm: 0 3px 12px rgba(40, 32, 24, 0.14);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--sans);
  background: radial-gradient(120% 100% at 50% 0%, #2a2533, #19161f);
  color: var(--ink);
  user-select: none;
  touch-action: none;
  overscroll-behavior: none;
}
#app { position: fixed; inset: 0; }
#stage { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* ---- top bar ---- */
#topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 12px;
  padding: max(10px, env(safe-area-inset-top)) 14px 10px;
  background: linear-gradient(180deg, rgba(245,240,232,0.92), rgba(245,240,232,0));
  z-index: 5;
}
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; border: none;
  background: rgba(255,255,255,0.7); color: var(--ink); font-size: 18px;
  box-shadow: var(--shadow-sm); backdrop-filter: blur(6px);
}
#brief { flex: 1; min-width: 0; }
#brief-title { font-family: var(--serif); font-size: 19px; font-weight: 600; color: var(--ink); letter-spacing: 0.2px; }
#brief-sub { font-size: 12px; color: var(--ink-soft); margin-top: 1px; }
#wallet { display: flex; gap: 8px; }
#wallet span {
  font-size: 13px; font-weight: 600; padding: 6px 11px 6px 24px; border-radius: 999px;
  background: rgba(255,255,255,0.82); box-shadow: var(--shadow-sm); position: relative; color: var(--ink);
}
#wallet .coin::before, #wallet .dia::before {
  content: ""; position: absolute; left: 8px; top: 50%; transform: translateY(-50%);
  width: 12px; height: 12px; border-radius: 50%;
}
#wallet .coin::before { background: radial-gradient(circle at 35% 30%, #f0d27a, #c9a24a); }
#wallet .dia::before { background: radial-gradient(circle at 35% 30%, #bfe3ee, #5aa6c9); border-radius: 3px; transform: translateY(-50%) rotate(45deg); }

/* ---- contextual toolbar ---- */
#toolbar {
  position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--tray-h, 168px) + 14px);
  display: flex; align-items: center; gap: 8px; padding: 8px;
  background: rgba(38,33,28,0.86); border-radius: 999px; box-shadow: var(--shadow);
  backdrop-filter: blur(10px); z-index: 6; max-width: 94vw;
}
#toolbar[hidden] { display: none; }
.tool {
  width: 42px; height: 42px; border-radius: 50%; border: none; flex: none;
  background: rgba(255,255,255,0.14); color: #f5f0e8; font-size: 19px;
}
.tool:active { background: rgba(255,255,255,0.28); }
.tool.danger { background: rgba(180,80,70,0.4); }
#swatches { display: flex; gap: 6px; padding: 0 4px; }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.5); flex: none; }
.swatch.on { border-color: #fff; box-shadow: 0 0 0 2px rgba(255,255,255,0.35); }

/* ---- catalog tray ---- */
#tray {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 5;
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  border-radius: 22px 22px 0 0; box-shadow: 0 -6px 30px rgba(20,16,12,0.28);
  padding: 6px 0 max(8px, env(safe-area-inset-bottom));
}
#tray-handle { display: flex; justify-content: center; padding: 6px 0 2px; }
#tray-handle span { width: 40px; height: 4px; border-radius: 2px; background: var(--line); }
#cats {
  display: flex; gap: 8px; overflow-x: auto; padding: 6px 14px 8px;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
#cats::-webkit-scrollbar { display: none; }
.cat {
  flex: none; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-soft); font-size: 13px; font-weight: 600; white-space: nowrap;
}
.cat.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
#items {
  display: flex; gap: 10px; overflow-x: auto; padding: 4px 14px 10px;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
#items::-webkit-scrollbar { display: none; }
.card {
  flex: none; width: 92px; border-radius: 14px; background: #fff;
  box-shadow: var(--shadow-sm); padding: 6px; position: relative; border: 1px solid var(--line);
}
.card canvas { width: 100%; height: 72px; display: block; }
.card .nm { font-size: 10.5px; color: var(--ink-soft); text-align: center; margin-top: 3px; line-height: 1.15; height: 25px; overflow: hidden; }
.card .price {
  position: absolute; top: 6px; right: 6px; font-size: 10px; font-weight: 700;
  padding: 2px 7px 2px 16px; border-radius: 999px; background: var(--paper); color: var(--ink); box-shadow: var(--shadow-sm); position: absolute;
}
.card .price.free { color: var(--accent-2); padding: 2px 7px; }
.card .price.dia::before, .card .price.coin::before {
  content: ""; position: absolute; left: 5px; top: 50%; transform: translateY(-50%); width: 9px; height: 9px; border-radius: 50%;
}
.card .price.coin::before { background: radial-gradient(circle at 35% 30%, #f0d27a, #c9a24a); }
.card .price.dia::before { background: radial-gradient(circle at 35% 30%, #bfe3ee, #5aa6c9); border-radius: 2px; transform: translateY(-50%) rotate(45deg); }
.card:active { transform: scale(0.96); }
.card.locked { opacity: 0.92; }

#doneBtn {
  display: block; margin: 2px 14px 4px auto; padding: 11px 26px; border: none; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 700; box-shadow: var(--shadow-sm);
}
#doneBtn:active { filter: brightness(0.95); }

/* ---- toast ---- */
#toast {
  position: absolute; left: 50%; bottom: 30%; transform: translateX(-50%);
  background: rgba(38,33,28,0.92); color: var(--paper); padding: 12px 20px; border-radius: 14px;
  font-size: 14px; box-shadow: var(--shadow); z-index: 20; max-width: 80vw; text-align: center;
  opacity: 0; transition: opacity 0.25s, transform 0.25s; pointer-events: none;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(-6px); }
#toast[hidden] { display: none; }

/* ---- overlay screens (challenges / gallery / shop / mine / viewer) ---- */
#overlay { position: absolute; inset: 0; z-index: 30; }
#overlay[hidden] { display: none; }
.ov-scrim { position: absolute; inset: 0; background: rgba(20,16,12,0.45); backdrop-filter: blur(2px); }
.ov-panel {
  position: absolute; left: 0; right: 0; bottom: 0; top: 24px;
  background: linear-gradient(180deg, var(--paper), var(--paper-2));
  border-radius: 22px 22px 0 0; box-shadow: 0 -10px 40px rgba(0,0,0,0.4);
  display: flex; flex-direction: column; overflow: hidden;
}
.ov-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.ov-back { width: 38px; height: 38px; border: none; border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); font-size: 18px; color: var(--ink); }
.ov-title { flex: 1; font-family: var(--serif); font-size: 20px; font-weight: 600; }
.ov-wallet { display: flex; gap: 6px; }
.ov-wallet span { font-size: 12px; font-weight: 600; padding: 5px 9px 5px 22px; border-radius: 999px; background: #fff; box-shadow: var(--shadow-sm); position: relative; }
.ov-wallet .coin::before, .ov-wallet .dia::before { content:""; position:absolute; left:7px; top:50%; transform:translateY(-50%); width:11px; height:11px; border-radius:50%; }
.ov-wallet .coin::before { background: radial-gradient(circle at 35% 30%, #f0d27a, #c9a24a); }
.ov-wallet .dia::before { background: radial-gradient(circle at 35% 30%, #bfe3ee, #5aa6c9); border-radius:2px; transform:translateY(-50%) rotate(45deg); }
.ov-body { flex: 1; overflow-y: auto; padding: 14px 16px max(20px, env(safe-area-inset-bottom)); -webkit-overflow-scrolling: touch; }
.ov-loading, .ov-note { color: var(--ink-soft); text-align: center; padding: 30px 16px; font-size: 14px; }
.ov-note { background: #fff; border-radius: 14px; margin-bottom: 12px; padding: 16px; box-shadow: var(--shadow-sm); }
.thumb { display: block; border-radius: 12px; background: linear-gradient(180deg,#efe7da,#ddd2c0); }
.gal-thumb.ph { background: var(--paper-2); }

/* challenges */
.ch-card { display: flex; gap: 12px; background: #fff; border-radius: 16px; padding: 12px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.ch-thumb { width: 116px; height: 92px; flex: none; }
.ch-info { flex: 1; min-width: 0; }
.ch-type { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.6px; }
.ch-title { font-family: var(--serif); font-size: 17px; font-weight: 600; margin: 1px 0 3px; }
.ch-brief { font-size: 12.5px; color: var(--ink-soft); line-height: 1.35; }
.ch-tags { display: flex; gap: 5px; flex-wrap: wrap; margin: 7px 0; }
.ch-tags span { font-size: 10.5px; background: var(--paper-2); color: var(--ink-soft); padding: 2px 8px; border-radius: 999px; }
.ch-reward { font-size: 11px; color: var(--ink-soft); } .ch-reward em { color: var(--accent-2); font-style: italic; }
.ch-go { margin-top: 8px; padding: 9px 16px; border: none; border-radius: 999px; background: var(--ink); color: var(--paper); font-weight: 600; font-size: 13px; }

/* gallery grid */
.gal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gal-card { border: none; background: #fff; border-radius: 16px; padding: 8px; box-shadow: var(--shadow-sm); text-align: left; }
.gal-card:active { transform: scale(0.98); }
.gal-thumb { width: 100%; height: 120px; }
.gal-meta { padding: 6px 4px 2px; }
.gal-title { font-family: var(--serif); font-size: 14px; font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gal-by { font-size: 11.5px; color: var(--ink-soft); }
.gal-stats { font-size: 11.5px; color: var(--accent); margin-top: 2px; }

/* viewer */
.view-wrap { display: flex; flex-direction: column; align-items: center; }
.view-room { width: 100%; max-width: 460px; height: 300px; border-radius: 16px; box-shadow: var(--shadow); }
.view-by { margin: 10px 0 4px; color: var(--ink-soft); font-size: 13px; }
.view-vote { display: flex; flex-direction: column; align-items: center; gap: 4px; margin: 8px 0; }
.vlabel { font-size: 12px; color: var(--ink-soft); }
.stars { display: flex; gap: 4px; }
.stars button { border: none; background: none; font-size: 30px; color: var(--line); line-height: 1; padding: 2px; }
.stars button.on { color: var(--gold); }
.view-acts { display: flex; gap: 8px; margin-top: 10px; }
.view-like, .view-remix, .view-report { border: none; border-radius: 999px; padding: 10px 16px; font-size: 13px; font-weight: 600; }
.view-like { background: #fff; color: var(--accent); box-shadow: var(--shadow-sm); } .view-like.on { background: var(--accent); color: #fff; }
.view-remix { background: var(--ink); color: var(--paper); }
.view-report { background: transparent; color: var(--ink-soft); }

/* shop */
.shop-honest { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 13px 15px; font-size: 12.5px; color: var(--ink-soft); line-height: 1.45; margin-bottom: 14px; }
.shop-honest b { color: var(--ink); } .shop-honest em { color: var(--accent-2); }
.shop-h { font-family: var(--serif); font-size: 16px; margin: 14px 2px 8px; }
.shop-dia { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dia-card { border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 14px 10px; box-shadow: var(--shadow-sm); position: relative; }
.dia-amt { font-size: 16px; font-weight: 700; color: var(--ink); }
.dia-tag { font-size: 10px; color: var(--accent); font-weight: 700; }
.dia-usd { margin-top: 8px; font-size: 14px; font-weight: 700; color: #fff; background: var(--accent-2); border-radius: 999px; padding: 5px 0; }
.shop-row { display: flex; align-items: center; gap: 10px; background: #fff; border-radius: 14px; padding: 12px; margin-bottom: 10px; box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.shop-row.accent { border-color: var(--accent); }
.row-info { flex: 1; } .row-title { font-weight: 700; font-size: 14px; } .row-desc { font-size: 11.5px; color: var(--ink-soft); line-height: 1.35; margin-top: 2px; }
.row-buy { flex: none; border: none; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 700; padding: 10px 16px; font-size: 14px; }
.shop-rewarded { display: block; width: 100%; margin-top: 8px; border: 1px dashed var(--accent-2); background: #fff; color: var(--accent-2); border-radius: 14px; padding: 12px; font-weight: 600; font-size: 13px; }
.shop-rewarded span { color: var(--ink-soft); font-weight: 400; }

/* menu sheet */
#menu { position: absolute; inset: 0; z-index: 35; }
#menu[hidden] { display: none; }
.menu-scrim { position: absolute; inset: 0; background: rgba(20,16,12,0.4); }
.menu-sheet { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg,var(--paper),var(--paper-2)); border-radius: 22px 22px 0 0; padding: 20px 16px max(20px,env(safe-area-inset-bottom)); box-shadow: 0 -10px 40px rgba(0,0,0,0.4); }
.menu-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.menu-grid button { display: flex; flex-direction: column; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; border-radius: 16px; padding: 16px 8px; font-size: 13px; font-weight: 600; color: var(--ink); box-shadow: var(--shadow-sm); }
.menu-grid button span { font-size: 22px; }

/* submit sheet */
.submit-sheet { position: absolute; inset: 0; z-index: 40; }
.ss-scrim { position: absolute; inset: 0; background: rgba(20,16,12,0.5); }
.ss-card { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: min(92vw,380px); background: var(--paper); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.ss-card h3 { font-family: var(--serif); font-size: 20px; margin-bottom: 12px; }
.ss-title { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; font-size: 15px; background: #fff; color: var(--ink); }
.ss-ch { font-size: 12px; color: var(--ink-soft); margin: 10px 2px; } .ss-ch b { color: var(--ink); }
.ss-btns { display: flex; gap: 10px; margin-top: 14px; }
.ss-draft { flex: 1; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 999px; padding: 12px; font-weight: 600; }
.ss-submit { flex: 1.4; border: none; background: var(--accent); color: #fff; border-radius: 999px; padding: 12px; font-weight: 700; }
.ss-close { position: absolute; top: 12px; right: 12px; width: 30px; height: 30px; border: none; background: var(--paper-2); border-radius: 50%; color: var(--ink-soft); }

/* desktop niceties */
@media (min-width: 760px) {
  #app { max-width: 520px; margin: 0 auto; box-shadow: 0 0 80px rgba(0,0,0,0.4); }
  .ov-panel, .menu-sheet, #tray { max-width: 520px; left: 50%; transform: translateX(-50%); }
  .ov-panel { transform: translateX(-50%); }
}