/* ============================================================
   Mahjong with Nana — themed styles
   ============================================================ */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; height: 100%; overflow-x: hidden; }

:root {
  --tile-w: clamp(38px, 6.6vw, 56px);
  --rack-tile-w: clamp(44px, 6.9vw, 62px);
  --radius: 14px;
  font-size: 16px;
}

/* ---------------- THEMES ---------------- */
html[data-theme="llama"] {
  --bg1: #f9e7c8; --bg2: #eccfa2; --bg3: #e0b183;
  --deep: #35514a; --deep2: #213631;
  --accent: #b9543b; --accent-soft: #e58a5e;
  --gold: #d99a3e; --gold-soft: #f2b04e;
  --panel: #fdf6e9; --panel-edge: #d8bd8d;
  --ink: #46382c; --ink-soft: #8a7558;
  --lake: #5f8a7d; --lake-edge: #3d6358;
  --good: #4d7a3f; --danger: #a33d28;
  --glow: rgba(242, 176, 78, .55);
}
html[data-theme="peony"] {
  --bg1: #fdeaf1; --bg2: #f8cdde; --bg3: #efaec9;
  --deep: #7e2348; --deep2: #5d1733;
  --accent: #c14e6d; --accent-soft: #ef7fa4;
  --gold: #cf9a3c; --gold-soft: #e9b54d;
  --panel: #fffaf6; --panel-edge: #e8c3ce;
  --ink: #5b3a47; --ink-soft: #a37a8a;
  --lake: #b8748f; --lake-edge: #8e4a66;
  --good: #4e7d5b; --danger: #b03a52;
  --glow: rgba(239, 127, 164, .6);
}
html[data-theme="birthday"] {
  --bg1: #fff3d7; --bg2: #ffd8df; --bg3: #b7d9ef;
  --deep: #6a345d; --deep2: #44213c;
  --accent: #d84f7b; --accent-soft: #ff8eb0;
  --gold: #d9a234; --gold-soft: #f6c85f;
  --panel: #fffaf1; --panel-edge: #e8c173;
  --ink: #4d3b53; --ink-soft: #90738a;
  --lake: #6e87c4; --lake-edge: #435b99;
  --good: #437e64; --danger: #b33a59;
  --glow: rgba(246, 200, 95, .62);
}
html[data-theme="landings"] {
  --bg1: #e9f1e8; --bg2: #c9dfd4; --bg3: #8fb8ad;
  --deep: #213f3b; --deep2: #142b28;
  --accent: #7f7d38; --accent-soft: #b8b05d;
  --gold: #c99b4e; --gold-soft: #e2bf75;
  --panel: #fbf7ed; --panel-edge: #c9b884;
  --ink: #36453f; --ink-soft: #718276;
  --lake: #3e7778; --lake-edge: #275254;
  --good: #52783d; --danger: #9a5038;
  --glow: rgba(201, 155, 78, .55);
}

body {
  font-family: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg1) 0%, var(--bg2) 55%, var(--bg3) 100%) fixed;
  min-height: 100svh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
  touch-action: manipulation;
}

/* background scenery layers */
.scenery { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.scenery svg { position: absolute; }
.scn-llama, .scn-peony, .scn-birthday, .scn-landings { display: none; }
html[data-theme="llama"] .scn-llama { display: block; }
html[data-theme="peony"] .scn-peony { display: block; }
html[data-theme="birthday"] .scn-birthday { display: block; }
html[data-theme="landings"] .scn-landings { display: block; }

@keyframes drift {
  0%   { transform: translate3d(0, -8vh, 0) rotate(0deg); opacity: 0; }
  12%  { opacity: .8; }
  100% { transform: translate3d(7vw, 108vh, 0) rotate(290deg); opacity: 0; }
}
.petal, .confetti { position: absolute; top: 0; animation: drift linear infinite; will-change: transform; }
@media (prefers-reduced-motion: reduce) { .petal, .confetti { display: none; } }

#app { position: relative; z-index: 1; max-width: 1060px; margin: 0 auto;
  padding: 8px 10px calc(12px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; min-height: 100svh; gap: 8px; }

/* ---------------- header ---------------- */
header { display: flex; align-items: center; gap: 10px; padding: 2px 4px; }
header h1 { font-size: 1.05rem; margin: 0; font-weight: 700; letter-spacing: .4px; color: var(--deep); flex: 1;
  font-family: Georgia, "Times New Roman", serif; }
header h1 .sub { font-size: .68rem; font-weight: 400; color: var(--ink-soft); display: block; letter-spacing: 1.6px; text-transform: uppercase; }
.iconbtn {
  border: 1.5px solid var(--panel-edge); background: var(--panel); color: var(--deep);
  border-radius: 11px; padding: 7px 12px; font-size: .82rem; font-weight: 600;
  cursor: pointer; box-shadow: 0 2px 0 rgba(0,0,0,.07);
  font-family: inherit;
}
.iconbtn:active { transform: translateY(1px); box-shadow: none; }

/* ---------------- opponents ---------------- */
.opponents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.opp {
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  border: 1.5px solid var(--panel-edge); border-radius: var(--radius);
  padding: 7px 9px; min-height: 64px; backdrop-filter: blur(3px);
  position: relative; display: flex; flex-direction: column; justify-content: center;
}
.opp.active { border-color: var(--gold); box-shadow: 0 0 0 2px var(--glow); }
.opp .nm {
  font-size: .78rem; font-weight: 700; color: var(--deep);
  display: block; position: relative; text-align: center;
  width: 100%; box-sizing: border-box; padding: 0 10px;
  line-height: 1.2;
}
.opp .nm .player-name { display: block; }
.opp .nm .east {
  display: block; margin-top: 2px; font-size: .68rem; line-height: 1;
}
.opp .nm .dot {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold); opacity: 0;
}
.opp.active .nm .dot { opacity: 1; }
.opp .backs { display: flex; gap: 2px; margin-top: 5px; flex-wrap: wrap; justify-content: center; }
.opp .backs .mini { width: 15px; }
.opp .backs .mini svg,
.opp .backs .mini img { width: 100%; height: auto; display: block; border-radius: 3px; }
.opp .expo { display: flex; gap: 2px; margin-top: 5px; flex-wrap: wrap; justify-content: center; }
.opp .expo .tile { width: 24px; }

/* ---------------- lake / center ---------------- */
.lake {
  flex: 1; min-height: 200px; border-radius: 22px; position: relative;
  background:
    radial-gradient(ellipse at 50% 38%, color-mix(in srgb, var(--lake) 88%, white) 0%, var(--lake) 62%, var(--lake-edge) 100%);
  border: 3px solid var(--lake-edge);
  box-shadow: inset 0 4px 18px rgba(0,0,0,.25), 0 6px 16px rgba(0,0,0,.12);
  padding: 12px; display: flex; flex-direction: column;
}
.lake .status {
  position: relative; z-index: 3;
  text-align: center; color: #fff; font-size: .86rem; font-weight: 600;
  text-shadow: 0 1px 3px rgba(0,0,0,.4); min-height: 1.3em; letter-spacing: .3px;
}
.lake .wall {
  position: absolute; top: 56%; left: 50%; z-index: 1;
  width: min(68vw, 420px);
  transform: translate(-50%, -50%) rotate(-16deg);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  pointer-events: none; opacity: .72;
}
.lake .wall.charleston-wall { top: 70%; width: min(46vw, 290px); opacity: .46; }
.lake .wall.empty { opacity: .42; }
.wall-stack {
  display: flex; justify-content: center; align-items: center;
  max-width: 100%;
  filter: drop-shadow(0 11px 13px rgba(0,0,0,.28));
}
.wall-tile {
  width: clamp(30px, 5.5vw, 48px);
  margin-left: clamp(-19px, -2.3vw, -10px);
  transform: translateY(var(--wall-offset, 0));
}
.wall-tile:first-child { margin-left: 0; }
.wall-tile svg,
.wall-tile img {
  width: 100%; height: auto; display: block; border-radius: 8px;
}
.wall-count {
  transform: rotate(16deg);
  color: #fff; font-size: .72rem; font-weight: 800;
  text-shadow: 0 1px 4px rgba(0,0,0,.55);
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.18);
  padding: 3px 10px; border-radius: 99px;
}
.discards { flex: 1; display: flex; flex-wrap: wrap; gap: 4px; align-content: flex-start; justify-content: center;
  position: relative; z-index: 2; margin-top: 10px; overflow-y: auto; max-height: 38svh; }
.discards .tile { width: var(--tile-w); opacity: .92; }
.discards .tile.last { box-shadow: 0 0 0 3px var(--gold-soft), 0 0 18px var(--glow); border-radius: 9px; opacity: 1;
  animation: pop .25s ease-out; }
@keyframes pop { from { transform: scale(.6); } to { transform: scale(1); } }

/* ---------------- tiles ---------------- */
.tile { display: inline-block; position: relative; }
.tile svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 2px 2px rgba(0,0,0,.18)); border-radius: 8px; }
.tile img.tile-photo { width: 100%; aspect-ratio: 3 / 4; height: auto; display: block; object-fit: cover; filter: drop-shadow(0 2px 2px rgba(0,0,0,.18)); border-radius: 8px; user-select: none; -webkit-user-drag: none; }
img.tile-back-photo { width: 100%; height: auto; display: block; aspect-ratio: auto; object-fit: contain; background: transparent; user-select: none; -webkit-user-drag: none; }
.tile.sel { transform: translateY(-12px); }
.tile.sel::after {
  content: ""; position: absolute; inset: -3px; border: 2.5px solid var(--gold);
  border-radius: 11px; box-shadow: 0 0 12px var(--glow);
}
.tile.clickable { cursor: pointer; transition: transform .12s ease; }
.rack .tile.reorderable { cursor: grab; touch-action: none; }
.rack .tile.reorderable:active { cursor: grabbing; }
.rack .tile.dragging { opacity: .6; transform: translateY(-6px) scale(1.03); z-index: 2; }
.rack .tile.drag-over::before {
  content: ""; position: absolute; left: -4px; top: 6px; bottom: 6px; width: 3px;
  border-radius: 99px; background: var(--gold); box-shadow: 0 0 9px var(--glow);
}
.tile.joker-swap::after {
  content: "⇄"; position: absolute; top: -8px; right: -6px; background: var(--gold);
  color: #fff; width: 18px; height: 18px; border-radius: 50%; font-size: 12px;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ---------------- player area ---------------- */
.me {
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  border: 2px solid var(--panel-edge); border-radius: 18px; padding: 10px;
  backdrop-filter: blur(4px); box-shadow: 0 -2px 14px rgba(0,0,0,.08);
}
.me.active { border-color: var(--gold); box-shadow: 0 0 0 2.5px var(--glow); }
.me .meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.me .meta .nm { font-weight: 700; font-size: .85rem; color: var(--deep); flex: 1; }
.myexpo { display: flex; gap: 3px; flex-wrap: wrap; margin-bottom: 6px; }
.myexpo .tile { width: calc(var(--tile-w) * .72); }
.myexpo .grp { display: flex; gap: 2px; padding: 3px; border: 1.5px dashed var(--panel-edge); border-radius: 9px; }
.rack { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.rack .tile { width: var(--rack-tile-w); }

/* action bar */
.actions, .swapline { display: flex; gap: 7px; margin-top: 9px; flex-wrap: wrap; justify-content: center; }
.swapline { margin-top: 6px; }
.swapline:empty { display: none; }
.btn {
  font-family: inherit; font-weight: 700; font-size: .9rem; letter-spacing: .3px;
  border: none; border-radius: 13px; padding: 11px 18px; cursor: pointer;
  background: var(--deep); color: #fff; box-shadow: 0 3px 0 var(--deep2);
  min-height: 44px;
}
.btn:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 var(--deep2); }
.btn:disabled { opacity: .38; cursor: default; }
.btn.gold { background: var(--gold); box-shadow: 0 3px 0 color-mix(in srgb, var(--gold) 70%, black); }
.btn.accent { background: var(--accent); box-shadow: 0 3px 0 color-mix(in srgb, var(--accent) 70%, black); }
.btn.ghost { background: var(--panel); color: var(--deep); border: 1.5px solid var(--panel-edge);
  box-shadow: 0 3px 0 var(--panel-edge); font-weight: 600; }

/* ---------------- overlays / modals ---------------- */
.overlay {
  position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center;
  background: rgba(40, 25, 20, .45); backdrop-filter: blur(3px); padding: 16px;
}
.modal {
  background: var(--panel); border: 2px solid var(--panel-edge); border-radius: 22px;
  max-width: 560px; width: 100%; max-height: 86svh; overflow-y: auto;
  padding: 22px; box-shadow: 0 18px 50px rgba(0,0,0,.3);
  -webkit-overflow-scrolling: touch;
}
.modal h2 { margin: 0 0 6px; color: var(--deep); font-family: Georgia, serif; }
.modal p { color: var(--ink-soft); font-size: .9rem; margin: 6px 0 14px; }
.modal .row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* claim banner */
.claimbar {
  position: fixed; left: 50%; bottom: calc(180px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  z-index: 40; background: var(--panel); border: 2.5px solid var(--gold);
  border-radius: 18px; padding: 12px 16px; display: flex; gap: 10px; align-items: center;
  box-shadow: 0 10px 32px rgba(0,0,0,.3), 0 0 0 4px var(--glow);
  animation: rise .22s ease-out; max-width: 94vw; flex-wrap: wrap; justify-content: center;
}
@keyframes rise { from { transform: translateX(-50%) translateY(18px); opacity: 0; } }
.claimbar .tile { width: 46px; }
.claimbar .timer { font-size: .78rem; font-weight: 800; color: var(--accent); min-width: 2ch; text-align: center; }
.claimbar .mahjong-claim {
  flex: 1 0 100%;
  order: 20;
  min-height: 44px;
  font-size: .95rem;
}

/* theme picker (setup) */
.themes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 12px 0; }
.theme-card {
  border: 2.5px solid var(--panel-edge); border-radius: 18px; padding: 12px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 8px; background: #fff8;
  transition: border-color .15s, box-shadow .15s;
}
.theme-card.sel { border-color: var(--gold); box-shadow: 0 0 0 3px var(--glow); }
.theme-card .tile { width: 74px; }
.theme-card .t-name { font-weight: 800; color: var(--deep); font-size: .95rem; font-family: Georgia, serif; }
.theme-card .t-desc { font-size: .72rem; color: var(--ink-soft); text-align: center; }
input[type="text"] {
  font-family: inherit; font-size: 1rem; padding: 10px 13px; border-radius: 12px;
  border: 1.5px solid var(--panel-edge); background: #fff; color: var(--ink); width: 100%;
}

/* card viewer */
.cardview .cat { margin: 14px 0 4px; font-weight: 800; color: var(--accent); font-size: .8rem;
  text-transform: uppercase; letter-spacing: 1.5px; border-bottom: 1.5px solid var(--panel-edge); padding-bottom: 3px; }
.hand-row { display: flex; align-items: baseline; gap: 8px; padding: 5px 2px; font-size: .92rem; flex-wrap: wrap; }
.hand-row.best { background: color-mix(in srgb, var(--gold-soft) 22%, transparent); border-radius: 8px; }
.hand-row .pat { font-family: ui-monospace, Menlo, monospace; font-weight: 700; letter-spacing: .5px; flex: 1; min-width: 200px; }
.hand-row .pts { color: var(--ink-soft); font-size: .78rem; font-weight: 700; white-space: nowrap; }
.hand-row .prog { font-size: .72rem; font-weight: 800; color: var(--good); white-space: nowrap; }
.tok-a { color: #2563a8; } .tok-b { color: #b9402e; } .tok-c { color: #3e7d44; }
.tok-n { color: var(--ink); } .tok-f { color: var(--accent); }
.card-line-color {
  font-family: ui-monospace, Menlo, monospace;
  font-weight: 800;
  letter-spacing: .2px;
  flex: 1;
  min-width: min(100%, 220px);
  line-height: 1.35;
}
.tile-token.red { color: #b53a3f; }
.tile-token.green { color: #2f7a46; }
.tile-token.ink { color: #1f2b3a; }
.tile-token.note { color: var(--ink-soft); font-weight: 650; }
.tile-token.value { color: #1f2b3a; }
.cbadge { font-size: .62rem; background: var(--deep); color: #fff; border-radius: 5px; padding: 1.5px 5px;
  vertical-align: middle; font-weight: 800; letter-spacing: .5px; }

/* hints */
.hintbox { margin-top: 10px; border-top: 1.5px dashed var(--panel-edge); padding-top: 8px; }
.hintbox .hand-row { font-size: .8rem; }
.hint-intro { margin-top: -4px; color: var(--ink-soft); }
.hintview { display: grid; gap: 10px; margin: 8px 0 12px; }
.hint-card {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 9px;
  border: 1.5px solid var(--panel-edge);
  border-radius: 8px;
  padding: 9px;
  background: color-mix(in srgb, #fff 88%, var(--gold-soft));
}
.hint-card.top {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--glow);
}
.hint-rank {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--deep);
  color: #fff;
  font-weight: 900;
  font-size: .82rem;
}
.hint-main { min-width: 0; }
.hint-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 4px;
}
.hint-meta span {
  border: 1px solid var(--panel-edge);
  border-radius: 999px;
  padding: 1.5px 6px;
  background: #fff;
  color: var(--ink-soft);
  font-size: .68rem;
  font-weight: 800;
}
.hint-card .hand-row { padding: 2px 0 4px; font-size: .83rem; }
.hint-needs { display: flex; flex-wrap: wrap; gap: 4px; }
.hint-needs .need {
  border-radius: 999px;
  padding: 2px 7px;
  background: color-mix(in srgb, var(--accent) 12%, #fff);
  color: var(--deep);
  font-size: .72rem;
  font-weight: 800;
}
.hint-needs .need.good {
  background: color-mix(in srgb, var(--good) 16%, #fff);
  color: var(--good);
}
.hint-note { margin-top: 5px; color: var(--ink-soft); font-size: .72rem; }

/* toast */
.toast {
  position: fixed; top: calc(12px + env(safe-area-inset-top)); left: 50%; transform: translateX(-50%);
  z-index: 60; background: var(--deep); color: #fff; border-radius: 99px; padding: 9px 20px;
  font-size: .85rem; font-weight: 600; box-shadow: 0 8px 24px rgba(0,0,0,.3);
  animation: rise2 .25s ease-out; max-width: 92vw; text-align: center;
}
@keyframes rise2 { from { transform: translateX(-50%) translateY(-16px); opacity: 0; } }

/* win modal tiles */
.win-tiles { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; margin: 12px 0; }
.win-tiles .tile { width: 42px; }
.bigword { font-family: Georgia, serif; font-size: 1.7rem; color: var(--accent); text-align: center; margin: 4px 0; }

/* ---------------- phone tuning ---------------- */
@media (max-width: 640px) {
  :root { --tile-w: 34px; --rack-tile-w: clamp(40px, 11.5vw, 50px); }
  .opponents { gap: 5px; }
  .opp { padding: 5px 7px; min-height: 52px; }
  .opp .backs .mini { width: 11px; }
  .opp .expo .tile { width: 19px; }
  .lake { min-height: 150px; padding: 9px; }
  .lake .wall { top: 58%; width: 70vw; opacity: .68; }
  .lake .wall.charleston-wall { top: 72%; width: 46vw; opacity: .44; }
  .wall-tile { width: 30px; margin-left: -15px; }
  .lake .wall.charleston-wall .wall-tile { width: 24px; margin-left: -12px; }
  .discards { max-height: 30svh; }
  .btn { padding: 10px 14px; font-size: .84rem; }
  header h1 { font-size: .95rem; }
  .themes { grid-template-columns: 1fr 1fr; }
  .claimbar { bottom: calc(205px + env(safe-area-inset-bottom)); width: min(94vw, 360px); padding: 10px 12px; }
}
@media (max-width: 380px) {
  :root { --rack-tile-w: 38px; }
}