/* ==================================================================
   CardPerks theme — "Midnight Teal"
   A standalone palette: deep navy surfaces, electric teal for actions,
   amber for the winning card, coral for warnings.
   ================================================================== */

:root {
  --teal: #14e0c0;
  --teal-deep: #0bb79c;
  --indigo: #6b8cff;
  --amber: #ffc24b;
  --coral: #ff6b81;
  --violet: #a97bff;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.7);
  --ring: 0 0 0 3px rgba(20, 224, 192, 0.28);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
}

html[data-theme="dark"] {
  --bg: #070b14;
  --bg-grad-a: rgba(20, 224, 192, 0.10);
  --bg-grad-b: rgba(107, 140, 255, 0.10);
  --surface: #10162a;
  --surface-2: #161e36;
  --surface-3: #1e2843;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #eaf0ff;
  --text-dim: #97a3c0;
  --text-faint: #6b7899;
  --header-bg: rgba(7, 11, 20, 0.82);
}

html[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-grad-a: rgba(11, 183, 156, 0.13);
  --bg-grad-b: rgba(107, 140, 255, 0.13);
  --surface: #ffffff;
  --surface-2: #f2f5fa;
  --surface-3: #e7ecf6;
  --line: rgba(16, 24, 48, 0.10);
  --line-strong: rgba(16, 24, 48, 0.20);
  --text: #101a30;
  --text-dim: #56637e;
  --text-faint: #7d8aa3;
  --header-bg: rgba(244, 246, 251, 0.86);
  --teal: #0bb79c;
  --shadow: 0 16px 34px -24px rgba(16, 24, 48, 0.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 12% -8%, var(--bg-grad-a), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, var(--bg-grad-b), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  padding-bottom: calc(80px + env(safe-area-inset-bottom));
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
.muted { color: var(--text-dim); font-size: 0.9rem; }

/* ------------------------------ Header ------------------------------ */

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 750;
  font-size: 1.12rem;
  letter-spacing: -0.03em;
  margin-right: auto;
}

.brand-mark { width: 32px; height: 32px; flex: none; }
.mark-back  { fill: var(--indigo); opacity: 0.5; }
.mark-front { fill: var(--teal); }
.mark-stripe{ fill: #06121f; opacity: 0.75; }
.mark-dot   { fill: var(--amber); }
.brand-accent { color: var(--teal); }

.tabs { display: none; gap: 4px; background: var(--surface-2); padding: 4px; border-radius: 999px; }

.tab {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--surface); color: var(--text); box-shadow: 0 1px 0 var(--line-strong); }

.icon-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  flex: none;
}
.icon-btn:hover { border-color: var(--line-strong); }

.icon-sun {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 194, 75, 0.22);
  display: block;
}
html[data-theme="light"] .icon-sun {
  background: var(--indigo);
  box-shadow: inset -5px -2px 0 0 var(--surface-2), 0 0 0 3px rgba(107, 140, 255, 0.2);
}

.pill {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--teal);
  color: #04241f;
  font-size: 0.72rem;
  font-weight: 800;
}

/* ------------------------------- Views ------------------------------ */

.view { display: none; padding: 22px 0 40px; }
.view.is-active { display: block; animation: rise 0.22s ease; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.hero { margin-bottom: 18px; }
.hero h1 { font-size: clamp(1.6rem, 5vw, 2.3rem); }
.hero .sub { color: var(--text-dim); margin-top: 8px; max-width: 60ch; font-size: 0.98rem; }

/* ------------------------------ Search ------------------------------ */

.search-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow);
}

.search-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 6px 6px 12px;
  flex-wrap: wrap;
}
.search-row:focus-within { border-color: var(--teal); box-shadow: var(--ring); }

.search-icon {
  width: 15px; height: 15px;
  border: 2px solid var(--text-faint);
  border-radius: 50%;
  position: relative;
  flex: none;
}
.search-icon::after {
  content: "";
  position: absolute;
  right: -6px; bottom: -4px;
  width: 7px; height: 2px;
  background: var(--text-faint);
  transform: rotate(45deg);
  border-radius: 2px;
}

.search-input {
  flex: 1 1 200px;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  padding: 10px 2px;
  outline: none;
}
.search-input::placeholder { color: var(--text-faint); }

.search-input--plain {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  flex: 1 1 180px;
}
.search-input--plain:focus { border-color: var(--teal); box-shadow: var(--ring); }

.btn {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 650;
  font-size: 0.92rem;
  padding: 11px 18px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.08s ease, filter 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--teal); color: #04241f; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary[disabled] { opacity: 0.55; cursor: progress; }

.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

.btn-danger { background: transparent; color: var(--coral); border-color: var(--coral); }
.btn-danger:hover { background: rgba(255, 107, 129, 0.12); }

.btn-sm { padding: 7px 13px; font-size: 0.84rem; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.chip {
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 7px 13px;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }

.controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.field { display: flex; flex-direction: column; gap: 7px; }
.field-label { font-size: 0.76rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); }

select, .money-input {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  padding: 10px 12px;
  width: 100%;
}
select { appearance: none; cursor: pointer; }
select:focus, .money-input:focus-within { border-color: var(--teal); box-shadow: var(--ring); outline: none; }

.money-input { display: flex; align-items: center; gap: 6px; color: var(--text-faint); }
.money-input input {
  border: 0; background: transparent; color: var(--text);
  font: inherit; font-size: 0.94rem; width: 100%; outline: none;
}

.toggle-row { display: flex; flex-direction: column; gap: 10px; }

.switch { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 0.9rem; color: var(--text-dim); }
.switch input { position: absolute; opacity: 0; pointer-events: none; }

.switch-ui {
  width: 40px; height: 23px;
  border-radius: 999px;
  background: var(--surface-3);
  border: 1px solid var(--line-strong);
  position: relative;
  flex: none;
  transition: background 0.16s ease;
}
.switch-ui::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--text-faint);
  transition: transform 0.16s ease, background 0.16s ease;
}
.switch input:checked + .switch-ui { background: rgba(20, 224, 192, 0.28); border-color: var(--teal); }
.switch input:checked + .switch-ui::after { transform: translateX(17px); background: var(--teal); }
.switch input:focus-visible + .switch-ui { box-shadow: var(--ring); }
.switch input:checked ~ .switch-text { color: var(--text); }

.status { margin: 14px 0 0; font-size: 0.88rem; color: var(--text-dim); min-height: 1.2em; }
.status.is-error { color: var(--coral); }

/* ------------------------------ Winner ------------------------------ */

.winner {
  margin-top: 20px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--teal), var(--indigo) 55%, var(--violet));
  box-shadow: var(--shadow);
}

.winner-inner {
  background: var(--surface);
  border-radius: calc(var(--radius-lg) - 1px);
  padding: 20px;
}

.winner-head { display: flex; flex-direction: column; gap: 16px; }
.winner-art { width: 100%; max-width: 250px; box-shadow: 0 18px 34px -18px rgba(0, 0, 0, 0.85); border-radius: 16px; }
.winner-headings { min-width: 0; }

.winner-flag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #04241f;
  background: var(--teal);
  border-radius: 999px;
  padding: 5px 12px;
}

.winner-name { font-size: clamp(1.3rem, 4.6vw, 1.85rem); margin-top: 12px; }
.winner-issuer { color: var(--text-dim); font-size: 0.9rem; margin-top: 3px; }

.winner-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.stat {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.stat-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); font-weight: 700; }
.stat-value { font-size: 1.32rem; font-weight: 750; margin-top: 4px; letter-spacing: -0.02em; }
.stat-value.accent { color: var(--teal); }
.stat-value.amber { color: var(--amber); }
.stat-note { font-size: 0.76rem; color: var(--text-faint); margin-top: 2px; }

.winner-why {
  margin-top: 16px;
  padding: 14px;
  background: var(--surface-2);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.94rem;
  color: var(--text);
}

.benefit-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }

.benefit {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
}
.benefit-check {
  width: 18px; height: 18px; flex: none; margin-top: 2px;
  border-radius: 50%;
  background: rgba(20, 224, 192, 0.16);
  border: 1px solid var(--teal);
  position: relative;
}
.benefit-check::after {
  content: "";
  position: absolute; left: 5px; top: 3px;
  width: 4px; height: 8px;
  border: solid var(--teal);
  border-width: 0 2px 2px 0;
  transform: rotate(43deg);
}
.benefit-check.credit { background: rgba(255, 194, 75, 0.16); border-color: var(--amber); }
.benefit-check.credit::after { border-color: var(--amber); }
.benefit-title { font-size: 0.92rem; font-weight: 650; }
.benefit-blurb { font-size: 0.83rem; color: var(--text-dim); }
.benefit-worth { margin-left: auto; font-size: 0.83rem; font-weight: 700; color: var(--teal); white-space: nowrap; }

/* ------------------------------ Ranking ----------------------------- */

.results-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 30px 0 12px;
  flex-wrap: wrap;
}
.results-head h2 { font-size: 1.15rem; }

.ranking { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.rank-row {
  display: grid;
  grid-template-columns: 22px 52px 1fr auto;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
}
.rank-row.is-top { border-color: var(--teal); }
.rank-row.not-owned { opacity: 0.82; border-style: dashed; }

.rank-num { font-family: var(--mono); font-size: 0.86rem; color: var(--text-faint); font-weight: 700; }
.rank-art { display: block; width: 52px; box-shadow: 0 4px 10px -6px rgba(0, 0, 0, 0.8); border-radius: 5px; }
.rank-main { min-width: 0; }
.rank-name { font-weight: 650; font-size: 0.98rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rank-meta { font-size: 0.82rem; color: var(--text-dim); margin-top: 3px; }

.tag {
  font-size: 0.68rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
}
.tag.owned { border-color: var(--teal); color: var(--teal); }
.tag.suggest { border-color: var(--violet); color: var(--violet); }
.tag.bonus { border-color: var(--amber); color: var(--amber); }
.tag.warn { border-color: var(--coral); color: var(--coral); }

.rank-value { text-align: right; }
.rank-amount { font-weight: 750; font-size: 1.05rem; }
.rank-sub { font-size: 0.78rem; color: var(--text-faint); }

.bar { height: 4px; border-radius: 4px; background: var(--surface-3); margin-top: 9px; overflow: hidden; grid-column: 1 / -1; }
.bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--teal), var(--indigo)); }

/* ------------------------------- Empty ------------------------------ */

.empty {
  margin-top: 22px;
  text-align: center;
  padding: 40px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.empty h2 { font-size: 1.15rem; }
.empty p { color: var(--text-dim); margin: 8px 0 18px; font-size: 0.94rem; }

/* ---------------------------- Card artwork --------------------------- */

.card-art {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 340 / 214;
  border-radius: 8.5%;
}

.art-issuer { font: 700 15px var(--font); letter-spacing: 0.13em; }
.art-name { font: 700 20px var(--font); letter-spacing: -0.01em; }
.art-network { font: 600 12px var(--font); letter-spacing: 0.09em; text-transform: uppercase; }
.art-fee { font: 700 12px var(--font); letter-spacing: 0.09em; }

/* ------------------------------ Wallet ------------------------------ */

.wallet-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 4px 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.wallet-strip:empty { display: none; }

.mini-card {
  flex: none;
  width: 186px;
  position: relative;
  scroll-snap-align: start;
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease;
}
.mini-card:hover { transform: translateY(-3px); }

.mini-remove {
  position: absolute;
  top: 6px; right: 6px;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 0;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.mini-card:hover .mini-remove,
.mini-remove:focus-visible { opacity: 1; }
.mini-remove:hover { background: var(--coral); }

@media (hover: none) {
  .mini-remove { opacity: 1; }
}

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0 16px; }
.filter-bar select { width: auto; flex: 0 1 180px; }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }

.card-tile {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.card-tile.is-owned { border-color: var(--teal); background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, rgba(20,224,192,0.4), transparent) border-box; }

.tile-art { width: 62px; flex: none; box-shadow: 0 4px 10px -6px rgba(0, 0, 0, 0.8); border-radius: 6px; }
.tile-name { font-weight: 650; font-size: 0.95rem; }
.tile-meta { font-size: 0.8rem; color: var(--text-dim); margin-top: 2px; }
.tile-highlight { font-size: 0.79rem; color: var(--text-faint); margin-top: 3px; }

/* ------------------------------ Panels ------------------------------ */

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 16px;
}
.panel h2 { font-size: 1.08rem; margin-bottom: 6px; }
.panel-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.value-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin-top: 14px; }

.value-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.value-row span { flex: 1; font-size: 0.87rem; }
.value-row input {
  width: 74px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  font-size: 0.87rem;
  padding: 6px 8px;
  text-align: right;
}
.value-row input:focus { border-color: var(--teal); box-shadow: var(--ring); outline: none; }
.value-row em { font-style: normal; color: var(--text-faint); font-size: 0.78rem; }

/* ---------------------------- Bottom nav ---------------------------- */

.bottom-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}

.bnav {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text-faint);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 650;
  padding: 9px 4px 11px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}
.bnav.is-active { color: var(--teal); }
.bnav .pill { position: absolute; top: 4px; right: 22%; }

.bnav-ico { width: 20px; height: 20px; display: block; position: relative; }
.ico-search { border: 2px solid currentColor; border-radius: 50%; width: 14px; height: 14px; margin-top: 3px; }
.ico-search::after {
  content: ""; position: absolute; right: -5px; bottom: -4px;
  width: 8px; height: 2px; background: currentColor; transform: rotate(45deg); border-radius: 2px;
}
.ico-wallet { border: 2px solid currentColor; border-radius: 4px; width: 20px; height: 15px; margin-top: 3px; }
.ico-wallet::after {
  content: ""; position: absolute; right: 1px; top: 4px;
  width: 5px; height: 5px; border-radius: 50%; background: currentColor;
}
.ico-gear { border: 2px solid currentColor; border-radius: 50%; width: 16px; height: 16px; margin-top: 2px; }
.ico-gear::after {
  content: ""; position: absolute; left: 5px; top: 5px;
  width: 6px; height: 6px; border-radius: 50%; border: 2px solid currentColor;
}

/* ------------------------------- Toast ------------------------------ */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(78px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 80;
  background: var(--surface-3);
  border: 1px solid var(--line-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.87rem;
  box-shadow: var(--shadow);
  animation: rise 0.2s ease;
}

/* ----------------------------- Desktop ------------------------------ */

@media (min-width: 760px) {
  body { padding-bottom: 40px; }
  .bottom-nav { display: none; }
  .tabs { display: flex; }
  .wrap { padding: 0 24px; }
  .view { padding: 34px 0 60px; }
  .controls { grid-template-columns: 200px 1fr; align-items: start; }
  .field-toggles { grid-column: 1 / -1; }
  .toggle-row { flex-direction: row; flex-wrap: wrap; gap: 18px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .winner-inner { padding: 26px; }
  .winner-head { flex-direction: row; align-items: center; gap: 26px; }
  .winner-art { width: 260px; max-width: 260px; flex: none; }
  .winner-flag + .winner-name { margin-top: 10px; }
  .rank-row { grid-template-columns: 24px 64px 1fr auto; gap: 14px; }
  .rank-art { width: 64px; }
  .toast { bottom: 28px; }
}

@media (min-width: 1120px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}