/* =========================================================
   ROYAL VAULT — theme: black / crimson / gold
   ========================================================= */

:root {
  --bg-void: #07050a;
  --bg-panel: #150a0c;
  --bg-panel-2: #1d0f12;
  --crimson: #8f0e1c;
  --crimson-bright: #c8102e;
  --gold: #d4af37;
  --gold-bright: #f5d576;
  --gold-dim: #7a6222;
  --ink: #f4ead2;
  --ink-dim: #b9a98c;
  --line: rgba(212, 175, 55, 0.28);
  --shadow-deep: 0 20px 60px rgba(0, 0, 0, 0.6);
  --radius: 14px;
  --font-display: "Cinzel", "Noto Serif Thai", serif;
  --font-body: "Inter", "Noto Sans Thai", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -10%, rgba(200, 16, 46, 0.18), transparent 55%),
    radial-gradient(circle at 85% 100%, rgba(212, 175, 55, 0.08), transparent 45%),
    var(--bg-void);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

::selection { background: var(--crimson-bright); color: #fff; }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 8px; }

/* ---------- ornamental background texture ---------- */
.bg-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(212,175,55,0.02) 0px, rgba(212,175,55,0.02) 2px, transparent 2px, transparent 40px);
  opacity: .6;
}

.crest-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.crest-row .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  max-width: 140px;
}

/* ---------- utility ---------- */
.eyebrow {
  font-family: var(--font-mono);
  letter-spacing: .28em;
  text-transform: uppercase;
  font-size: .68rem;
  color: var(--gold);
  opacity: .85;
}
.btn {
  font-family: var(--font-display);
  letter-spacing: .06em;
  border: 1px solid var(--gold);
  background: linear-gradient(180deg, rgba(212,175,55,.16), rgba(212,175,55,.02));
  color: var(--gold-bright);
  padding: 12px 26px;
  border-radius: 10px;
  cursor: pointer;
  font-size: .92rem;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,175,55,.25); background: linear-gradient(180deg, rgba(212,175,55,.28), rgba(212,175,55,.06)); }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: linear-gradient(180deg, var(--crimson-bright), var(--crimson));
  border-color: var(--crimson-bright);
  color: #fff2ec;
}
.btn.primary:hover { box-shadow: 0 8px 26px rgba(200,16,46,.45); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink-dim); }
.btn.small { padding: 8px 14px; font-size: .78rem; border-radius: 8px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }

.field {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.35);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,.15); }
.field::placeholder { color: var(--ink-dim); }

.toast {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px);
  background: var(--bg-panel-2);
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  padding: 12px 22px;
  border-radius: 10px;
  font-size: .88rem;
  z-index: 999;
  opacity: 0;
  transition: all .35s cubic-bezier(.2,.8,.2,1);
  box-shadow: var(--shadow-deep);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--crimson-bright); color: #ffb3bd; }

/* =========================================================
   AUTH PAGE (login.html)
   ========================================================= */
.auth-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-panel-2));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 38px 34px 30px;
  box-shadow: var(--shadow-deep);
  position: relative;
  overflow: hidden;
}
.auth-card::before {
  content: "";
  position: absolute;
  top: -80px; left: -80px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(200,16,46,.35), transparent 70%);
  filter: blur(10px);
}
.auth-seal {
  width: 62px; height: 62px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  background: radial-gradient(circle, rgba(212,175,55,.18), transparent 70%);
  font-size: 26px;
  animation: sealPulse 3.2s ease-in-out infinite;
}
@keyframes sealPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212,175,55,.3); }
  50% { box-shadow: 0 0 0 10px rgba(212,175,55,0); }
}
.auth-title {
  font-family: var(--font-display);
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: .12em;
  color: var(--gold-bright);
  margin: 4px 0 2px;
}
.auth-sub {
  text-align: center;
  color: var(--ink-dim);
  font-size: .82rem;
  margin-bottom: 26px;
}
.tab-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 22px;
}
.tab-switch button {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--ink-dim);
  font-family: var(--font-display);
  letter-spacing: .05em;
  cursor: pointer;
  font-size: .85rem;
}
.tab-switch button.active {
  background: linear-gradient(180deg, rgba(212,175,55,.22), rgba(212,175,55,.04));
  color: var(--gold-bright);
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ink-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.hint { font-size: .74rem; color: var(--ink-dim); margin-top: 8px; line-height: 1.5; }
.device-tag {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--gold-dim);
  text-align: center;
  letter-spacing: .04em;
  word-break: break-all;
}

/* =========================================================
   MAIN GACHA PAGE (index.html)
   ========================================================= */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 26px;
  background: rgba(7,5,10,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .mark {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle, rgba(212,175,55,.2), transparent 70%);
}
.brand .name {
  font-family: var(--font-display);
  letter-spacing: .14em;
  font-size: 1.05rem;
  color: var(--gold-bright);
}
.user-chip {
  display: flex; align-items: center; gap: 14px;
  background: rgba(212,175,55,.06);
  border: 1px solid var(--line);
  padding: 7px 16px;
  border-radius: 30px;
  font-size: .85rem;
}
.user-chip .name { color: var(--ink); }
.user-chip .wallet { color: var(--gold-bright); font-family: var(--font-mono); }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all .15s ease;
}
.icon-btn:hover { border-color: var(--gold); color: var(--gold-bright); }

.hero {
  text-align: center;
  padding: 46px 20px 10px;
  position: relative; z-index: 1;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: .1em;
  color: var(--gold-bright);
  margin: 10px 0 8px;
  text-shadow: 0 0 30px rgba(212,175,55,.25);
}
.hero p { color: var(--ink-dim); max-width: 560px; margin: 0 auto; font-size: .92rem; }

.category-rail {
  display: flex; gap: 12px; overflow-x: auto;
  padding: 26px 26px 6px;
  scrollbar-width: thin;
}
.cat-pill {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
}
.cat-pill .ic { font-size: 1.3rem; }
.cat-pill .lbl { font-family: var(--font-display); letter-spacing: .04em; font-size: .92rem; color: var(--ink-dim); }
.cat-pill.active {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(212,175,55,.18), rgba(212,175,55,.03));
  box-shadow: 0 6px 18px rgba(212,175,55,.15);
}
.cat-pill.active .lbl { color: var(--gold-bright); }

/* ---------- the vault stage (signature element) ---------- */
.stage-wrap { padding: 10px 26px 60px; position: relative; z-index: 1; }
.stage {
  max-width: 980px;
  margin: 0 auto;
  border-radius: 22px;
  border: 1px solid var(--gold);
  background: linear-gradient(180deg, var(--bg-panel), #0c0507);
  box-shadow: var(--shadow-deep), inset 0 0 60px rgba(212,175,55,.05);
  padding: 30px 26px 34px;
  position: relative;
  overflow: hidden;
}
.stage::before {
  content: "";
  position: absolute; inset: 8px;
  border: 1px solid rgba(212,175,55,.25);
  border-radius: 16px;
  pointer-events: none;
}
.stage-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px; flex-wrap: wrap; gap: 10px;
}
.stage-head .cat-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--gold-bright);
  display: flex; align-items: center; gap: 10px;
}
.stage-head .odds-link {
  font-size: .76rem; color: var(--ink-dim); text-decoration: underline; cursor: pointer;
  background: none; border: none; font-family: var(--font-body);
}

.reel-viewport {
  position: relative;
  height: 190px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #050305;
  overflow: hidden;
  margin-bottom: 24px;
}
.reel-track {
  position: absolute; top: 0; left: 0; height: 100%;
  display: flex; align-items: center;
  will-change: transform;
}
.reel-card {
  flex: 0 0 150px;
  height: 158px;
  margin: 0 8px;
  border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--bg-panel-2);
  font-size: 2.4rem;
  position: relative;
}
.reel-card .rlabel { font-size: .7rem; color: var(--ink-dim); font-family: var(--font-body); text-align: center; padding: 0 6px; }
.reel-card.win {
  animation: winPop .55s ease;
}
@keyframes winPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.12); }
  100% { transform: scale(1); }
}
.pointer-beam {
  position: absolute; top: 0; bottom: 0; left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold-bright), transparent);
  box-shadow: 0 0 18px 2px var(--gold-bright);
  transform: translateX(-50%);
  z-index: 5;
}
.reel-viewport::before, .reel-viewport::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 70px; z-index: 4; pointer-events: none;
}
.reel-viewport::before { left: 0; background: linear-gradient(90deg, #050305, transparent); }
.reel-viewport::after { right: 0; background: linear-gradient(-90deg, #050305, transparent); }

.spin-row { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

.ad-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60px;
  margin: 20px auto 8px;
  overflow: hidden;
}
.ad-slot.ad-rect { margin: 28px auto; }
.ad-mobile { display: none; }
@media (max-width: 640px) {
  .ad-desktop { display: none; }
  .ad-mobile { display: flex; }
}
.spin-cost { font-family: var(--font-mono); color: var(--gold); font-size: .82rem; }
.ad-watch-status {
  text-align: center; font-size: .78rem; color: var(--ink-dim); margin-top: 8px;
  font-family: var(--font-body); min-height: 1.2em;
}
.ad-watch-status.warn { color: #ff6b6b; }

/* result modal */
.result-overlay {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(3,2,4,.78);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.result-overlay.show { opacity: 1; pointer-events: all; }
.result-card {
  width: 300px;
  padding: 34px 24px;
  border-radius: 20px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-panel), #0c0507);
  border: 1px solid var(--gold);
  box-shadow: 0 0 60px var(--glow-color, rgba(212,175,55,.5));
  transform: scale(.7) rotateY(90deg);
  transition: transform .5s cubic-bezier(.2,1.4,.4,1);
}
.result-overlay.show .result-card { transform: scale(1) rotateY(0deg); }
.result-card .ic { font-size: 4rem; margin-bottom: 12px; filter: drop-shadow(0 0 16px var(--glow-color, gold)); }
.result-card .rarity-tag {
  display: inline-block; padding: 4px 14px; border-radius: 20px;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em;
  border: 1px solid var(--gold); color: var(--gold-bright); margin-bottom: 10px;
}
.result-card h3 { font-family: var(--font-display); color: var(--ink); margin: 6px 0 18px; font-size: 1.15rem; }

/* admin: per-user history modal */
.user-history-overlay {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(3,2,4,.82);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.user-history-overlay.show { display: flex; }
.user-history-card {
  width: 100%; max-width: 640px; max-height: 82vh;
  overflow-y: auto;
  padding: 24px;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--bg-panel), #0c0507);
  border: 1px solid var(--gold);
}
.user-history-summary {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 14px 0 16px;
}
.user-history-summary .chip {
  padding: 4px 12px; border-radius: 20px; font-size: .74rem;
  border: 1px solid var(--line); font-family: var(--font-mono);
  color: var(--ink);
}
.data-table-wrap { max-height: 46vh; overflow-y: auto; }

/* rarity legend */
.legend { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }
.legend .dot-row { display: flex; align-items: center; gap: 6px; font-size: .74rem; color: var(--ink-dim); }
.legend .dot { width: 9px; height: 9px; border-radius: 50%; }

/* history */
.history-panel { max-width: 980px; margin: 0 auto; padding: 0 26px 60px; position: relative; z-index: 1; }
.history-panel h2 { font-family: var(--font-display); color: var(--gold-bright); font-size: 1rem; letter-spacing: .08em; margin-bottom: 14px; }
.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-panel); font-size: .84rem;
}
.history-row .left { display: flex; align-items: center; gap: 10px; }
.history-row .time { color: var(--ink-dim); font-family: var(--font-mono); font-size: .72rem; }

/* confetti canvas */
#confetti-canvas { position: fixed; inset: 0; pointer-events: none; z-index: 70; }

/* footer */
.site-footer {
  text-align: center; padding: 30px; color: var(--ink-dim); font-size: .74rem;
  border-top: 1px solid var(--line); position: relative; z-index: 1;
}

/* =========================================================
   ADMIN PANEL (admin.html)
   ========================================================= */
.admin-shell { display: flex; min-height: 100vh; position: relative; z-index: 1; }
.admin-side {
  width: 230px; flex: 0 0 230px;
  background: var(--bg-panel);
  border-right: 1px solid var(--line);
  padding: 22px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.admin-side .brand { padding: 0 8px 20px; }
.admin-nav-item {
  padding: 11px 14px; border-radius: 10px; cursor: pointer;
  color: var(--ink-dim); font-size: .88rem; border: 1px solid transparent;
  display: flex; align-items: center; gap: 10px;
}
.admin-nav-item:hover { color: var(--ink); }
.admin-nav-item.active {
  background: linear-gradient(180deg, rgba(212,175,55,.16), rgba(212,175,55,.02));
  border-color: var(--line); color: var(--gold-bright);
}
.admin-main { flex: 1; padding: 30px 36px; overflow-x: hidden; }
.admin-main h2 { font-family: var(--font-display); color: var(--gold-bright); letter-spacing: .05em; margin-top: 0; }
.panel-box {
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 22px; margin-bottom: 22px;
}
.panel-box h3 { margin-top: 0; font-size: .95rem; color: var(--ink); font-family: var(--font-display); letter-spacing: .04em; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

table.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
table.data-table th, table.data-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; }
table.data-table th { color: var(--gold); font-weight: 500; font-size: .74rem; letter-spacing: .05em; text-transform: uppercase; }
table.data-table input, table.data-table select { width: 100%; }
table.data-table .icon-cell { font-size: 1.3rem; width: 40px; text-align: center; }

.admin-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.tag-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.badge {
  font-size: .68rem; padding: 3px 10px; border-radius: 10px;
  border: 1px solid var(--line); color: var(--ink-dim);
}
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.stat-card .v { font-family: var(--font-mono); font-size: 1.5rem; color: var(--gold-bright); }
.stat-card .l { font-size: .74rem; color: var(--ink-dim); margin-top: 4px; }

.danger-zone { border-color: rgba(200,16,46,.4); }
.danger-zone h3 { color: #ff8a97; }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* focus visibility */
button:focus-visible, .field:focus-visible, .cat-pill:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 2px; }

/* mobile */
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .reel-card { flex-basis: 118px; height: 130px; font-size: 1.8rem; }
  .reel-viewport { height: 150px; }
  .admin-shell { flex-direction: column; }
  .admin-side { width: 100%; flex: none; flex-direction: row; overflow-x: auto; }
  .admin-main { padding: 20px; }
}