/* base.css — design tokens, layout, and the toolbar/chips/toggles chrome.
 *
 * Tier accent colors (--tier-0 … --tier-9) are the single source of truth for
 * rarity color: the filter chips, gallery glows, and card VFX all read them.
 * The tier ladder is defined in rarity.js; the colors below line up with it. */

:root {
  /* surfaces */
  --bg: #0b0d12;
  --bg-elev: #141821;
  --bg-elev-2: #1c212c;
  --line: #2a313f;
  --line-soft: #20262f;

  /* text */
  --text: #eef1f6;
  --text-dim: #9aa3b2;
  --text-faint: #5e6675;

  /* brand */
  --accent: #6ea8fe;
  --accent-strong: #9b8cff;

  /* tier accents — low → high rarity */
  --tier-0: #aab3c2; /* common      */
  --tier-1: #5fcf8e; /* uncommon    */
  --tier-2: #57a6ee; /* rare        */
  --tier-3: #3fd6c8; /* holo        */
  --tier-4: #f2c84b; /* double rare */
  --tier-5: #b072e6; /* ultra rare  */
  --tier-6: #f59247; /* illustration*/
  --tier-7: #ef5e92; /* special     */
  --tier-8: #ff6fd8; /* secret      */
  --tier-9: #ffd24a; /* hyper       */

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --gap: 16px;
}

* {
  box-sizing: border-box;
}

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

body {
  background:
    radial-gradient(1100px 700px at 75% -10%, rgba(110, 168, 254, 0.12), transparent 60%),
    radial-gradient(900px 600px at 10% 0%, rgba(155, 140, 255, 0.1), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation; /* no double-tap-to-zoom (iOS ignores user-scalable); panning/scroll still work */
  /* stop a top-of-page swipe from chaining into the browser's pull-to-refresh
     (which reloads the page); `contain` keeps normal scrolling, just no reload/bounce */
  overscroll-behavior-y: contain;
}

.hidden {
  display: none !important;
}

/* ---- header ------------------------------------------------------------- */

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--gap);
  flex-wrap: wrap;
  padding: 22px clamp(16px, 4vw, 40px) 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: conic-gradient(
    from 210deg,
    #ff6fd8,
    #ffd24a,
    #3fd6c8,
    #6ea8fe,
    #b072e6,
    #ff6fd8
  );
  box-shadow: 0 0 18px rgba(155, 140, 255, 0.55);
}

.brand-name {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* ---- master nav (Gallery ↔ Open Pack) --------------------------------- */
.app-nav {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
}
/* floating variant for the full-screen pack page */
.app-nav--floating {
  position: fixed;
  top: calc(14px + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  backdrop-filter: blur(6px);
}
.nav-link {
  padding: 7px 16px;
  border-radius: 999px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-link:hover {
  color: var(--text);
}
.nav-link.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 24%, transparent);
}
/* don't sit over the cards during a reveal */
body.revealing .app-nav--floating {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.set-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.field-label {
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.select {
  appearance: none;
  background: var(--bg-elev) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239aa3b2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E")
    no-repeat right 12px center;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 9px 34px 9px 12px;
  font-size: 14px;
  max-width: 280px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.select:hover {
  border-color: var(--accent);
}

.select:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.25);
}

.card-count {
  color: var(--text-dim);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---- toolbar ------------------------------------------------------------ */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  padding: 12px clamp(16px, 4vw, 40px);
  background: rgba(11, 13, 18, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  flex-wrap: wrap;
}

/* filters accordion — one button collapses the mode switch + rarity chips */
.filter-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.filter-toggle:hover,
.toolbar.open .filter-toggle {
  border-color: var(--accent);
}

.filter-summary {
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
}

.toolbar.open .filter-summary {
  display: none; /* the open panel shows the full state */
}

.chevron {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-dim);
  transition: transform 0.18s ease;
}

.toolbar.open .chevron {
  transform: rotate(180deg);
}

/* the collapsible panel — height animated via the grid-rows 0fr→1fr trick */
.filter-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.18s ease, opacity 0.18s ease;
}

.toolbar.open .filter-panel {
  grid-template-rows: 1fr;
  opacity: 1;
}

.filter-panel-inner {
  overflow: hidden; /* clips the body so the panel can collapse to a true 0 */
  min-height: 0;
}

/* padding lives here, inside the clip — padding on .filter-panel-inner itself
   would inflate the collapsed grid track and leak a gap */
.filter-panel-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 12px;
}

/* mode switch — segmented control */
.switch {
  display: inline-flex;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}

.switch-opt {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.switch-opt:hover {
  color: var(--text);
}

.switch-opt.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b0d12;
}

/* display-option toggles */
.view-options {
  display: flex;
  gap: 10px;
}

.toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.toggle:hover {
  color: var(--text);
  border-color: var(--accent);
}

.toggle.on {
  color: var(--text);
}

.toggle-track {
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: var(--line);
  position: relative;
  transition: background 0.18s;
  flex: none;
}

.toggle.on .toggle-track {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.18s;
}

.toggle.on .toggle-thumb {
  transform: translateX(14px);
}

/* rarity chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s, border-color 0.15s, color 0.15s, background 0.15s;
}

.chip:hover {
  color: var(--text);
}

.chip.active {
  opacity: 1;
  color: var(--text);
  background: var(--bg-elev-2);
  border-color: var(--line);
}

.chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 8px currentColor;
}

.chip-count {
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

.chip.active .chip-count {
  color: var(--text-dim);
}

/* ---- gallery grid ------------------------------------------------------- */

.status-hint {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 16px;
  font-size: 15px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: clamp(12px, 1.6vw, 22px);
  padding: clamp(16px, 3vw, 36px);
  max-width: 1500px;
  margin: 0 auto;
}

/* ---- toast -------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 200;
  font-size: 14px;
}

/* ---- lightbox ----------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  background: rgba(6, 7, 11, 0.86);
  backdrop-filter: blur(8px);
  /* let touch drags drive the card tilt instead of scrolling/panning the page */
  touch-action: none;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.lightbox-close:hover {
  background: var(--bg-elev-2);
  transform: scale(1.05);
}

/* Perspective sits on the card's DIRECT parent so the card foreshortens — the
   corner under the pointer balloons toward you while the opposite shrinks. It
   must be the direct parent: an element in between with the default transform-
   style:flat flattens the rotation to an orthographic skew. Smaller = more
   dramatic 3D pop (and more keystone); larger = flatter. */
#lightbox-host {
  perspective: 800px;
  perspective-origin: 50% 50%;
}

.lightbox-caption {
  color: var(--text);
  font-size: 16px;
  text-align: center;
  max-width: 80vw;
}

.lightbox-caption .cap-rarity {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 640px) {
  .app-header {
    align-items: flex-start;
  }
  .select {
    max-width: 200px;
  }
}