:root {
  --bg: #0d0f1d;
  --panel: #171a2e;
  --panel2: #1f2340;
  --line: #2c3157;
  --text: #eef0ff;
  --muted: #9aa0c7;
  --gold: #ffd75e;
  --accent: #7c6cff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 800px at 70% -10%, #262b5c 0%, var(--bg) 55%) fixed, var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.app { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: 250px; flex-shrink: 0;
  background: rgba(15, 17, 35, .92);
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex; flex-direction: column; gap: 20px;
  position: sticky; top: 0; height: 100vh;
}
.logo { display: flex; gap: 12px; align-items: center; }
.logo-pack { font-size: 42px; filter: drop-shadow(0 4px 12px rgba(124,108,255,.6)); }
.logo h1 { font-size: 24px; letter-spacing: 1px; }
.logo p { font-size: 11px; letter-spacing: 3px; color: var(--muted); }
.tabs { display: flex; flex-direction: column; gap: 10px; }
.tab {
  display: flex; gap: 12px; align-items: center;
  background: var(--panel); border: 1px solid var(--line);
  color: var(--text); border-radius: 14px; padding: 12px;
  cursor: pointer; text-align: left; transition: .15s;
}
.tab:hover { border-color: var(--accent); transform: translateX(3px); }
.tab.active { background: linear-gradient(135deg, #3b3480, #23265a); border-color: var(--accent); box-shadow: 0 0 18px rgba(124,108,255,.35); }
.tab-emoji { font-size: 28px; }
.tab-text { display: flex; flex-direction: column; }
.tab-text strong { font-size: 15px; }
.tab-text small { color: var(--muted); font-size: 12px; }
.wallet { margin-top: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.wallet-row { display: flex; justify-content: space-between; font-size: 14px; }
.wallet-row.small { color: var(--muted); font-size: 13px; }
#coinBalance { color: var(--gold); }
.collection-bar { height: 8px; background: #0c0e1c; border-radius: 99px; overflow: hidden; }
#collectionBarFill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--gold)); transition: width .4s; }
.reset-btn { background: none; border: none; color: var(--muted); font-size: 12px; cursor: pointer; text-decoration: underline; }
.reset-btn:hover { color: #ff8080; }
.server-dot { font-size: 12px; }
.server-dot.online { color: #3cdc82; text-shadow: 0 0 8px #3cdc82; }
.server-dot.offline { color: #6b7280; }
#authUser { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 130px; }
.link-btn { background: none; border: none; color: var(--accent); font-size: 12px; cursor: pointer; text-decoration: underline; margin-left: auto; }
.link-btn:hover { color: var(--gold); }

/* ---------- Main ---------- */
.main { flex: 1; padding: 28px 32px; max-width: 1150px; }
.page { display: none; animation: fadeIn .25s; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; } }
.page-head h2 { font-size: 26px; margin-bottom: 16px; }
.page-head .sub { font-size: 14px; color: var(--muted); font-weight: normal; }
.hint { color: var(--muted); font-size: 13px; margin-top: 14px; }

/* ---------- Pack selector ---------- */
.pack-select { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.pack-option {
  flex: 1; min-width: 180px;
  background: var(--panel); border: 2px solid var(--line);
  border-radius: 16px; padding: 14px; cursor: pointer; color: var(--text);
  transition: .15s;
}
.pack-option:hover { transform: translateY(-3px); }
.pack-option.selected { border-color: var(--gold); box-shadow: 0 0 20px rgba(255,215,94,.25); }
.pack-option .p-emoji { font-size: 34px; }
.pack-option strong { display: block; margin: 6px 0 2px; }
.pack-option small { color: var(--muted); font-size: 12px; }
.pack-option .cost { color: var(--gold); font-weight: bold; font-size: 13px; }

/* ---------- Stage / buttons ---------- */
.stage { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 28px; min-height: 320px; }
.sealed-pack { text-align: center; padding: 30px 0; }
.sealed-emoji { font-size: 90px; animation: wiggle 1.6s ease-in-out infinite; }
@keyframes wiggle { 0%,100% { transform: rotate(-6deg) scale(1); } 50% { transform: rotate(6deg) scale(1.06); } }
.sealed-pack p { color: var(--muted); margin: 12px 0; }
.big-btn {
  background: linear-gradient(135deg, #ffb52e, #ff7a3d);
  border: none; color: #221100; font-weight: 800; font-size: 18px;
  padding: 14px 42px; border-radius: 99px; cursor: pointer; transition: .15s;
  box-shadow: 0 6px 24px rgba(255,150,40,.4);
}
.big-btn:hover { transform: scale(1.05); }
.big-btn:disabled { opacity: .5; cursor: wait; transform: none; }
.big-btn.fight { background: linear-gradient(135deg, #ff4d5e, #7c6cff); color: #fff; box-shadow: 0 6px 24px rgba(255,60,90,.4); }
.battle-controls { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; flex-wrap: wrap; }
.battle-banner { font-size: 20px; font-weight: 800; padding: 12px 22px; border-radius: 14px; }
.battle-banner.win { background: rgba(60,220,130,.15); border: 1px solid #3cdc82; color: #7dffb0; }
.battle-banner.lose { background: rgba(255,80,90,.12); border: 1px solid #ff5060; color: #ff9aa3; }
.battle-banner.draw { background: rgba(255,215,94,.12); border: 1px solid var(--gold); color: var(--gold); }
.hidden { display: none !important; }

/* ---------- Cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 14px; margin-top: 20px; }
.cards-grid.small { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); }
.card {
  border-radius: 16px; padding: 12px; text-align: center;
  background: var(--panel2); border: 2px solid var(--line);
  animation: pop .35s backwards; position: relative;
}
.cards-grid .card:nth-child(2) { animation-delay: .08s; }
.cards-grid .card:nth-child(3) { animation-delay: .16s; }
.cards-grid .card:nth-child(4) { animation-delay: .24s; }
.cards-grid .card:nth-child(5) { animation-delay: .32s; }
@keyframes pop { from { opacity: 0; transform: scale(.6) rotate(-4deg); } to { opacity: 1; } }
.card .pfp {
  width: 84px; height: 84px; margin: 2px auto 8px; border-radius: 50%;
  font-size: 46px; display: flex; align-items: center; justify-content: center;
  border: 3px solid rgba(255,255,255,.35);
  box-shadow: inset 0 -6px 14px rgba(0,0,0,.35);
  position: relative; overflow: hidden;
}
.card .pfp img, .booster-pfp img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; border-radius: inherit;
}
.card .cname { font-weight: 700; font-size: 14px; }
.card .ticker { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.card .rarity { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; padding: 3px 10px; border-radius: 99px; margin-top: 6px; }
.card .power { font-size: 13px; margin-top: 6px; color: var(--gold); font-weight: 700; }
.card .owned { position: absolute; top: 8px; right: 10px; font-size: 12px; background: rgba(0,0,0,.5); border-radius: 99px; padding: 1px 8px; }
.card .flavor { font-size: 11px; color: var(--muted); margin-top: 4px; font-style: italic; }
.card.Common { border-color: #6b7280; }
.card.Common .rarity { background: #374151; color: #d1d5db; }
.card.Rare { border-color: #38bdf8; }
.card.Rare .rarity { background: #0c4a6e; color: #7dd3fc; }
.card.Epic { border-color: #c084fc; box-shadow: 0 0 14px rgba(192,132,252,.35); }
.card.Epic .rarity { background: #581c87; color: #e9d5ff; }
.card.Legendary { border-color: #fbbf24; box-shadow: 0 0 18px rgba(251,191,36,.5); }
.card.Legendary .rarity { background: #78350f; color: #fde68a; }
.card.Mythic {
  border-color: #ff4d6d; color: #fff;
  background: linear-gradient(160deg, #3a1030, #1c1040);
  box-shadow: 0 0 26px rgba(255,60,120,.65);
  animation: pop .35s backwards, mythicGlow 1.6s ease-in-out .4s infinite alternate;
}
.card.Mythic .rarity { background: linear-gradient(90deg, #ff4d6d, #ffd75e); color: #220011; }
@keyframes mythicGlow { from { box-shadow: 0 0 14px rgba(255,60,120,.5); } to { box-shadow: 0 0 34px rgba(255,200,60,.9); } }
.card.new-pull { outline: 2px dashed var(--gold); outline-offset: 3px; }
.card.locked { filter: grayscale(1); opacity: .45; }
.card.locked .pfp { font-size: 40px; }

/* ---------- Battle arena ---------- */
.arena { display: flex; gap: 16px; align-items: stretch; background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.fighter { flex: 1; }
.fighter h3 { margin-bottom: 4px; }
.score { background: #0c0e1c; border: 1px solid var(--line); border-radius: 10px; padding: 1px 12px; color: var(--gold); margin-left: 6px; }
.vs { align-self: center; font-size: 30px; font-weight: 900; color: var(--accent); text-shadow: 0 0 18px var(--accent); }

/* ---------- Collection filters ---------- */
.filters { display: flex; gap: 8px; margin: 4px 0 6px; flex-wrap: wrap; }
.chip { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 99px; padding: 6px 14px; cursor: pointer; font-size: 13px; }
.chip.active { border-color: var(--gold); color: var(--gold); }
.sell-all-btn {
  background: linear-gradient(135deg, #3cdc82, #0e9f5c); border: none; color: #04140a;
  font-weight: 800; border-radius: 99px; padding: 8px 18px; cursor: pointer; margin: 8px 0 4px;
}
.sell-all-btn:hover { transform: scale(1.04); }
.sell-btn {
  margin-top: 8px; background: rgba(255,215,94,.14); border: 1px solid var(--gold); color: var(--gold);
  font-weight: 700; font-size: 12px; border-radius: 99px; padding: 5px 12px; cursor: pointer;
}
.sell-btn:hover { background: var(--gold); color: #221100; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #22264a; border: 1px solid var(--accent); color: var(--text);
  padding: 12px 24px; border-radius: 99px; font-weight: 600; z-index: 99;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
}

/* ---------- Mobile: sidebar becomes top tabs ---------- */
@media (max-width: 760px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: column; }
  .tabs { flex-direction: row; }
  .tab { flex: 1; }
  .tab-text small { display: none; }
  .main { padding: 18px; }
  .arena { flex-direction: column; }
  .vs { align-self: center; }
}

/* ---------- Sealed booster packs ---------- */
.pack-option.booster {
  position: relative; overflow: hidden; padding: 0; border-radius: 10px;
  display: flex; flex-direction: column; align-items: stretch;
  min-height: 330px; border-width: 1px;
}
.pack-option.booster::after {
  content: ""; position: absolute; right: -1px; top: 46%; z-index: 3;
  border-top: 9px solid transparent; border-bottom: 9px solid transparent; border-right: 9px solid #0c0e1c;
}
.booster-degen { background: linear-gradient(160deg, #8a5a12 0%, #e9a83c 22%, #5c3a06 45%, #f5c86e 62%, #4a2d05 80%, #caa14a 100%); }
.booster-diamond { background: linear-gradient(160deg, #0e5a6e 0%, #5fd4e8 22%, #083b49 45%, #a5ecf7 62%, #062a35 80%, #7cc4d4 100%); }
.booster-whale { background: linear-gradient(160deg, #3b1470 0%, #9a6bff 22%, #241040 45%, #d3b8ff 62%, #1a0b33 80%, #8f7bd8 100%); }
.booster-chill { background: linear-gradient(160deg, #0f5132 0%, #6ee7a0 22%, #0a3823 45%, #c9f5db 62%, #072a1b 80%, #5ec98d 100%); }
.booster-viral { background: linear-gradient(160deg, #7c0d1e 0%, #ff7d92 22%, #4d0812 45%, #ffc2cc 62%, #38060d 80%, #d86a7e 100%); }
.booster-apex { background: linear-gradient(160deg, #4a2c08 0%, #ffd75e 22%, #33200a 45%, #fff3c4 62%, #241a06 80%, #d8b64a 100%); }
.pack-option.booster.selected { border: 1px solid var(--gold); box-shadow: 0 0 26px rgba(255,215,94,.55); }
.booster-seal {
  height: 20px; flex-shrink: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.45) 0%, transparent 30%, rgba(0,0,0,.55) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.28) 0 5px, rgba(0,0,0,.4) 5px 10px);
  border-top: 1px solid rgba(255,255,255,.5); border-bottom: 1px solid rgba(0,0,0,.6);
}
.booster-art { padding: 10px 14px 6px; position: relative; z-index: 1; }
.pack-logo {
  font-weight: 900; font-style: italic; letter-spacing: 2px; font-size: 15px; color: #fff;
  text-shadow: -1px -1px 0 #14213d, 1px -1px 0 #14213d, -1px 1px 0 #14213d, 2px 2px 0 #14213d, 0 3px 8px rgba(0,0,0,.7);
  margin-bottom: 8px;
}
.cover-window {
  border: 3px solid rgba(255,255,255,.75); border-radius: 14px; padding: 12px 6px;
  background:
    repeating-conic-gradient(from 0deg at 50% 50%, rgba(255,255,255,.16) 0deg 9deg, transparent 9deg 18deg),
    linear-gradient(180deg, rgba(0,0,0,.25), rgba(255,255,255,.12));
  box-shadow: inset 0 0 24px rgba(0,0,0,.55), 0 2px 10px rgba(0,0,0,.5);
}
.booster-pfp {
  width: 92px; height: 92px; margin: 0 auto; border-radius: 50%;
  font-size: 54px; display: flex; align-items: center; justify-content: center;
  border: 3px solid rgba(255,255,255,.65);
  box-shadow: 0 6px 18px rgba(0,0,0,.6), inset 0 -8px 16px rgba(0,0,0,.35);
  position: relative; overflow: hidden; background: #22263f;
}
.booster-star { font-weight: 800; letter-spacing: 3px; font-size: 16px; color: #fff; text-shadow: 0 2px 6px rgba(0,0,0,.8); margin-top: 6px; }
.booster-chase { font-size: 12px; color: #fff8dc; font-weight: 700; margin-top: 2px; text-shadow: 0 1px 4px rgba(0,0,0,.8); }
.booster-shine {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.35) 45%, transparent 60%);
  background-size: 250% 100%;
  animation: foilSweep 3.2s ease-in-out infinite;
}
@keyframes foilSweep { 0% { background-position: 120% 0; } 55%, 100% { background-position: -60% 0; } }
.booster-label { padding: 8px 12px 14px; position: relative; z-index: 1; }
.booster-label strong { display: block; margin-bottom: 2px; color: #fff; text-shadow: 0 2px 5px rgba(0,0,0,.8); }
.booster-label small { color: #f3f4f6; opacity: .85; font-size: 12px; text-shadow: 0 1px 3px rgba(0,0,0,.8); }
.pack-count { font-size: 11px; font-weight: 800; letter-spacing: 1px; color: #1a1000; background: linear-gradient(90deg, #ffd75e, #ffb52e); border-radius: 6px; padding: 2px 8px; margin-top: 6px; display: inline-block; }
.booster-label .cost { color: #fff; font-weight: bold; font-size: 13px; margin-top: 4px; text-shadow: 0 1px 4px rgba(0,0,0,.9); }

/* ---------- Rip scene ---------- */
#boosterDisplay { display: flex; justify-content: center; margin-bottom: 6px; }
.pack-option.booster.big-boost { max-width: 300px; width: 100%; cursor: default; }
.pack-option.booster.big-boost:hover { transform: none; }
.big-boost .booster-pfp { width: 120px; height: 120px; font-size: 70px; }
.big-boost.shaking { animation: packShake .9s ease-in-out; }
@keyframes packShake {
  0%, 100% { transform: rotate(0) scale(1); }
  15% { transform: rotate(-7deg) scale(1.04); }
  30% { transform: rotate(6deg) scale(1.07); }
  45% { transform: rotate(-6deg) scale(1.1); }
  60% { transform: rotate(5deg) scale(1.12); }
  75% { transform: rotate(-4deg) scale(1.14); }
}
.big-boost.tearing { animation: packTear .65s ease-in forwards; }
@keyframes packTear {
  0% { transform: scale(1.15); filter: brightness(1); }
  40% { transform: scale(1.22) rotate(-3deg); filter: brightness(2.2); }
  100% { transform: scale(1.6); opacity: 0; filter: brightness(3); }
}
.stage { position: relative; overflow: hidden; }
.rip-flash {
  position: absolute; inset: 0; background: radial-gradient(circle, #fff 0%, rgba(255,215,94,.7) 40%, transparent 75%);
  animation: flashOut .6s ease-out forwards; pointer-events: none; z-index: 5;
}
@keyframes flashOut { from { opacity: 1; } to { opacity: 0; } }
.fanfare {
  text-align: center; font-size: 24px; font-weight: 900; letter-spacing: 1px;
  margin: 16px 0 0; padding: 14px; border-radius: 16px;
  animation: fanfareIn .5s backwards;
}
.fanfare.show.legendary { background: rgba(251,191,36,.12); border: 2px solid #fbbf24; color: #fde68a; box-shadow: 0 0 30px rgba(251,191,36,.4); }
.fanfare.show.mythic { background: rgba(255,60,120,.12); border: 2px solid #ff4d6d; color: #ffc2d1; box-shadow: 0 0 40px rgba(255,60,120,.6); animation: fanfareIn .5s backwards, mythicGlow 1.2s ease-in-out .5s infinite alternate; }
@keyframes fanfareIn { from { opacity: 0; transform: scale(.5); } to { opacity: 1; transform: scale(1); } }

/* ---------- Face-down cards + flips ---------- */
.card.back {
  background: linear-gradient(160deg, #2b2f6b, #14163a);
  border-color: var(--accent);
  min-height: 210px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.back-pfp { font-size: 52px; opacity: .9; }
.back-text { color: var(--muted); font-weight: 800; letter-spacing: 2px; font-size: 13px; }
.card.flip-in { animation: flipIn .45s backwards; }
@keyframes flipIn {
  0% { opacity: 0; transform: perspective(600px) rotateY(90deg) scale(.8); }
  100% { opacity: 1; transform: perspective(600px) rotateY(0) scale(1); }
}

/* ---------- Battle VS splash + rounds ---------- */
.vs-splash {
  display: flex; align-items: center; justify-content: center; gap: 26px;
  padding: 60px 10px; font-size: 34px; font-weight: 900; width: 100%;
}
.vs-splash .side.you { animation: slideLeft .5s backwards; color: #7dffb0; }
.vs-splash .side.bot { animation: slideRight .5s backwards; color: #ff9aa3; }
.vs-splash .clash { font-size: 64px; animation: clashBoom .5s .35s backwards; }
@keyframes slideLeft { from { opacity: 0; transform: translateX(-80px); } to { opacity: 1; } }
@keyframes slideRight { from { opacity: 0; transform: translateX(80px); } to { opacity: 1; } }
@keyframes clashBoom { 0% { opacity: 0; transform: scale(.2) rotate(-30deg); } 60% { opacity: 1; transform: scale(1.4) rotate(8deg); } 100% { transform: scale(1); } }
.score.bump { animation: scoreBump .35s; display: inline-block; }
@keyframes scoreBump { 0% { transform: scale(1); } 40% { transform: scale(1.5); color: #fff; } 100% { transform: scale(1); } }
.card.round-win { outline: 3px solid #3cdc82; outline-offset: 2px; box-shadow: 0 0 20px rgba(60,220,130,.55); }
.card.round-draw { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ---------- Battle history ---------- */
.history { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; margin-top: 18px; }
.history h3 { margin-bottom: 10px; font-size: 17px; }
.history-list { display: flex; flex-direction: column; gap: 8px; max-height: 260px; overflow-y: auto; }
.hrow { display: flex; align-items: center; gap: 12px; background: var(--panel2); border: 1px solid var(--line); border-radius: 12px; padding: 8px 14px; font-size: 14px; }
.hrow strong { letter-spacing: .5px; }
.hpack { color: var(--muted); font-size: 12px; }
.hwhen { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }
.hbadge { font-size: 11px; font-weight: 800; letter-spacing: 1px; padding: 3px 10px; border-radius: 99px; }
.hbadge.win { background: rgba(60,220,130,.15); border: 1px solid #3cdc82; color: #7dffb0; }
.hbadge.lose { background: rgba(255,80,90,.12); border: 1px solid #ff5060; color: #ff9aa3; }
.hbadge.draw { background: rgba(255,215,94,.12); border: 1px solid var(--gold); color: var(--gold); }