.usm-vault-overlay { position: absolute; inset: 0; z-index: 99990; display: none; align-items: center; justify-content: center; padding: clamp(10px, 2vw, 24px); background: radial-gradient(circle at 50% 20%, rgba(59,130,246,.25), rgba(2,6,23,.86) 45%, rgba(0,0,0,.94)); color: #fff; overflow: hidden; }
.usm-vault-overlay.is-open { display: flex; }
.usm-vault-card { position: relative; width: min(1040px, 98%); max-height: min(92vh, 850px); overflow: hidden auto; border: 1px solid rgba(125,211,252,.55); border-radius: 28px; background: linear-gradient(145deg, rgba(15,23,42,.96), rgba(30,41,59,.94)); box-shadow: 0 28px 80px rgba(0,0,0,.65), inset 0 0 60px rgba(14,165,233,.12); padding: clamp(16px, 2.5vw, 28px); isolation: isolate; }
.usm-vault-scan { position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(to bottom, rgba(255,255,255,.045), rgba(255,255,255,.045) 1px, transparent 1px, transparent 9px); mix-blend-mode: screen; opacity: .35; animation: usmVaultScan 4s linear infinite; }
.usm-vault-glow { position: absolute; width: 280px; height: 280px; border-radius: 999px; filter: blur(55px); opacity: .35; pointer-events: none; }
.usm-vault-glow-a { left: -80px; top: -90px; background: #22d3ee; }
.usm-vault-glow-b { right: -90px; bottom: -90px; background: #a855f7; }
.usm-vault-header { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
.usm-vault-kicker { letter-spacing: .22em; font-size: 12px; font-weight: 900; color: #67e8f9; text-transform: uppercase; }
.usm-vault-header h2 { margin: 2px 0 4px; font-size: clamp(30px, 5vw, 58px); line-height: .92; color: #fff; text-shadow: 0 0 18px rgba(34,211,238,.8), 0 4px 0 rgba(0,0,0,.35); }
.usm-vault-header p { margin: 0; color: #cbd5e1; font-weight: 700; }
.usm-vault-attempts { flex: 0 0 auto; border: 1px solid rgba(250,204,21,.65); color: #fef9c3; border-radius: 999px; padding: 10px 14px; background: rgba(113,63,18,.42); font-weight: 1000; box-shadow: 0 0 22px rgba(250,204,21,.23); }
.usm-vault-body { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(250px, .78fr) minmax(320px, 1fr); gap: clamp(16px, 2vw, 28px); align-items: center; }
.usm-vault-door-wrap { position: relative; display: grid; place-items: center; min-height: 360px; }
.usm-vault-door { position: relative; width: min(340px, 78vw); aspect-ratio: 1; border-radius: 999px; background: radial-gradient(circle at 35% 28%, #dbeafe 0 4%, #64748b 11%, #1e293b 36%, #020617 67%, #0f172a 100%); border: 12px solid #475569; box-shadow: inset 0 0 38px rgba(0,0,0,.95), 0 0 0 12px rgba(148,163,184,.14), 0 0 50px rgba(34,211,238,.32); transition: transform .45s ease, opacity .45s ease; }
.usm-vault-door-ring { position: absolute; inset: 10%; border-radius: 999px; border: 3px dashed rgba(226,232,240,.35); }
.usm-vault-door-ring.ring-2 { inset: 24%; border-style: solid; border-color: rgba(125,211,252,.28); }
.usm-vault-dial { position: absolute; inset: 35%; border-radius: 999px; background: radial-gradient(circle, #f8fafc, #64748b 45%, #0f172a 72%); box-shadow: 0 0 22px rgba(34,211,238,.5); animation: usmVaultDial 9s linear infinite; }
.usm-vault-dial span { position: absolute; width: 18%; height: 48%; top: 8%; left: 41%; border-radius: 999px; background: #38bdf8; box-shadow: 0 0 12px #38bdf8; }
.usm-vault-bars i { position: absolute; left: 14%; right: 14%; top: 49%; height: 10px; border-radius: 999px; background: linear-gradient(90deg, #94a3b8, #f8fafc, #64748b); box-shadow: 0 0 10px rgba(255,255,255,.24); }
.usm-vault-bars i:nth-child(2) { transform: rotate(60deg); }
.usm-vault-bars i:nth-child(3) { transform: rotate(-60deg); }
.usm-vault-door.is-scanning { animation: usmVaultShake .45s ease-in-out infinite; }
.usm-vault-door.is-cracking { animation: usmVaultCrack .18s linear infinite; }
.usm-vault-door.is-opening { transform: translateX(-38px) rotateY(34deg) rotate(-8deg) scale(.98); opacity: .92; }

.usm-vault-video-stage { display: none; position: relative; width: min(420px, 84vw); aspect-ratio: 854 / 640; border-radius: 22px; overflow: hidden; border: 3px solid rgba(250,204,21,.62); box-shadow: 0 22px 65px rgba(0,0,0,.55), 0 0 34px rgba(59,130,246,.32), inset 0 0 20px rgba(0,0,0,.45); background: #020617; isolation: isolate; }
.usm-vault-video-stage.is-enabled { display: block; }
.usm-vault-video-stage img, .usm-vault-video-stage video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.usm-vault-video-stage video { opacity: 0; pointer-events: none; background: #020617; transition: opacity .12s linear; will-change: opacity, transform; transform: translateZ(0); }
.usm-vault-video-stage.is-playing video.is-active { opacity: 1; }
.usm-vault-overlay.is-video-mode .usm-vault-door { display: none; }
.usm-vault-overlay.is-video-mode .usm-vault-door-wrap { min-height: 380px; contain: layout paint; }
.usm-vault-overlay.is-video-mode .usm-vault-card { contain: layout paint; }
.usm-vault-overlay.is-video-mode .usm-vault-scan { animation-duration: 7s; opacity: .18; }

.usm-vault-burst { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
.usm-vault-particle { position: absolute; font-size: 24px; animation: usmVaultParticle 1.45s ease-out forwards; text-shadow: 0 0 14px rgba(255,255,255,.75); }
.usm-vault-panel { display: grid; gap: 14px; }
.usm-vault-status { border: 1px solid rgba(34,211,238,.35); border-radius: 18px; padding: 14px 16px; background: rgba(15,23,42,.66); color: #dffafe; font-weight: 900; box-shadow: inset 0 0 24px rgba(14,165,233,.1); }
.usm-vault-start { border: 0; border-radius: 18px; padding: 15px 18px; font-weight: 1000; color: #0f172a; background: linear-gradient(135deg, #fde047, #fb923c); box-shadow: 0 12px 30px rgba(251,146,60,.33); cursor: pointer; text-transform: uppercase; letter-spacing: .05em; }
.usm-vault-start:disabled { opacity: .65; cursor: wait; }
.usm-vault-key-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.usm-vault-key { min-height: 86px; border: 1px solid rgba(125,211,252,.55); border-radius: 18px; background: radial-gradient(circle at 50% 0%, rgba(14,165,233,.3), rgba(15,23,42,.92)); color: #e0f2fe; font-weight: 1000; cursor: pointer; display: grid; place-items: center; gap: 2px; box-shadow: inset 0 0 22px rgba(14,165,233,.13), 0 8px 20px rgba(0,0,0,.28); transition: transform .15s ease, filter .15s ease, border-color .15s ease; }
.usm-vault-key:hover:not(:disabled) { transform: translateY(-2px) scale(1.02); border-color: #facc15; filter: brightness(1.12); }
.usm-vault-key:disabled { cursor: default; }
.usm-vault-key .key-icon { font-size: 30px; line-height: 1; }
.usm-vault-key.is-cracking { animation: usmVaultShake .12s linear infinite; }
.usm-vault-key.is-revealed { background: linear-gradient(135deg, rgba(250,204,21,.94), rgba(251,146,60,.85)); color: #111827; border-color: #fef3c7; }
.usm-vault-key.reveal-multiplier { background: linear-gradient(135deg, #22d3ee, #a855f7); color: #fff; }
.usm-vault-key.reveal-extra_pick { background: linear-gradient(135deg, #34d399, #22c55e); color: #052e16; }
.usm-vault-key.reveal-mini_jackpot,
.usm-vault-key.reveal-mega_vault { background: linear-gradient(135deg, #f43f5e, #facc15); color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.45); }
.usm-vault-reveals { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 8px; min-height: 52px; }
.usm-vault-reveal-card { border: 1px solid rgba(226,232,240,.22); border-radius: 14px; padding: 9px 10px; background: rgba(15,23,42,.72); box-shadow: 0 8px 20px rgba(0,0,0,.22); animation: usmVaultCard .28s ease-out; }
.usm-vault-reveal-card strong { display: block; color: #fff; font-size: 13px; line-height: 1.1; }
.usm-vault-reveal-card span { display: block; color: #bae6fd; font-size: 12px; margin-top: 3px; }
.usm-vault-total { border-radius: 20px; padding: 15px 16px; min-height: 54px; display: grid; gap: 4px; align-content: center; background: linear-gradient(135deg, rgba(113,63,18,.42), rgba(15,23,42,.82)); border: 1px solid rgba(250,204,21,.5); color: #fef3c7; font-weight: 900; }
.usm-vault-total strong { font-size: 22px; color: #fff; text-shadow: 0 0 14px rgba(250,204,21,.55); }
.usm-vault-total span { color: #fde68a; }
.usm-vault-total em { color: #67e8f9; font-style: normal; }
.usm-vault-overlay.style-treasure .usm-vault-door { border-radius: 28px; background: radial-gradient(circle at 50% 18%, #facc15, #92400e 45%, #451a03 100%); }
.usm-vault-overlay.style-arcade .usm-vault-card { border-color: rgba(244,114,182,.65); box-shadow: 0 28px 80px rgba(0,0,0,.65), inset 0 0 70px rgba(236,72,153,.18); }
.usm-vault-overlay.style-neon .usm-vault-door { border-color: #a855f7; box-shadow: inset 0 0 38px rgba(0,0,0,.95), 0 0 60px rgba(168,85,247,.48); }
.usm-vault-overlay.style-crystal .usm-vault-door { background: radial-gradient(circle at 30% 25%, #fff, #a5f3fc 22%, #38bdf8 48%, #1e3a8a 100%); }
.usm-vault-overlay.style-capsule .usm-vault-door { background: radial-gradient(circle at 30% 22%, #fff 0 8%, #ef4444 9% 42%, #111827 43% 50%, #f8fafc 51% 100%); }
.usm-vault-overlay.style-reactor .usm-vault-door { background: radial-gradient(circle, #67e8f9 0 13%, #0f766e 14% 28%, #042f2e 55%, #020617 100%); }
@keyframes usmVaultScan { from { transform: translateY(-40px); } to { transform: translateY(40px); } }
@keyframes usmVaultDial { to { transform: rotate(360deg); } }
@keyframes usmVaultShake { 0%,100% { transform: translate(0,0); } 25% { transform: translate(2px,-1px); } 50% { transform: translate(-2px,1px); } 75% { transform: translate(1px,2px); } }
@keyframes usmVaultCrack { 0%,100% { filter: brightness(1); } 50% { filter: brightness(1.6); } }
@keyframes usmVaultCard { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes usmVaultParticle { 0% { opacity: 0; transform: translate(0,0) rotate(0) scale(.5); } 15% { opacity: 1; } 100% { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(1.25); } }
@media (max-width: 760px) { .usm-vault-overlay { padding: 8px; align-items: stretch; } .usm-vault-card { width: 100%; max-height: 94vh; border-radius: 20px; } .usm-vault-header { flex-direction: column; } .usm-vault-body { grid-template-columns: 1fr; } .usm-vault-door-wrap { min-height: 230px; } .usm-vault-door { width: min(230px, 70vw); border-width: 8px; } .usm-vault-video-stage { width: min(360px, 92vw); } .usm-vault-overlay.is-video-mode .usm-vault-door-wrap { min-height: 250px; } .usm-vault-key-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .usm-vault-key { min-height: 74px; } }
@media (prefers-reduced-motion: reduce) { .usm-vault-scan, .usm-vault-dial, .usm-vault-door.is-scanning, .usm-vault-door.is-cracking, .usm-vault-key.is-cracking { animation: none !important; } .usm-vault-particle { display: none; } }
.usm-vault-key.is-unrevealed { opacity: .72; filter: grayscale(.2) brightness(.86); border-style: dashed; }
.usm-vault-key.is-unrevealed span:last-child { font-size: 12px; }


/* v1.0.10 video stability pass: keep still safe visible while buffering and promote clips to their own layer. */
.usm-vault-video-stage {
	contain: layout paint;
	transform: translateZ(0);
	backface-visibility: hidden;
}
.usm-vault-video-stage img {
	object-fit: contain;
	transition: opacity .12s linear;
}
.usm-vault-video-stage .usm-vault-clip {
	object-fit: contain;
	opacity: 0;
	pointer-events: none;
	transform: translateZ(0);
	backface-visibility: hidden;
}
.usm-vault-video-stage .usm-vault-clip.is-active {
	opacity: 1;
}
.usm-vault-video-stage.is-buffering img {
	opacity: 1;
}
.usm-vault-video-stage.is-playing img {
	opacity: 0;
}

/* v1.0.11 video restore pass: video layer must visibly replace still image during playback. */
.usm-vault-video-stage { z-index: 3; }
.usm-vault-video-stage .usm-vault-clip { z-index: 2; }
.usm-vault-video-stage img { z-index: 1; }
.usm-vault-video-stage .usm-vault-clip.is-active { opacity: 1 !important; visibility: visible !important; }
.usm-vault-video-stage.is-playing img { opacity: 0 !important; }
.usm-vault-overlay.is-video-playing .usm-vault-scan,
.usm-vault-overlay.is-video-playing .usm-vault-glow,
.usm-vault-overlay.is-video-playing .usm-vault-burst { opacity: 0 !important; animation: none !important; }