/* Animated Card Pack Opener - Core Styles */

:root {
  --bg-dark: #070913;
  --bg-surface: rgba(18, 22, 39, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-gold: #fbbf24;
  --accent-cyan: #38bdf8;
  --accent-purple: #c084fc;
  --accent-rose: #f43f5e;
  
  --rarity-common: #94a3b8;
  --rarity-rare: #38bdf8;
  --rarity-epic: #c084fc;
  --rarity-legendary: #fbbf24;
  --rarity-mythic: #f43f5e;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background-image: 
    radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.1), transparent 40%);
}

/* Background Particle Canvas */
#fxCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
}

/* Header & Nav */
.header-bar {
  width: 100%;
  max-width: 1200px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.5);
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.glass-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.glass-btn:active {
  transform: translateY(0);
}

.collection-badge {
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  color: var(--accent-gold);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Stage Area (3D Sandbox) */
.stage-container {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  perspective: 1200px;
  perspective-origin: 50% 50%;
  padding: 20px;
}

/* Spotlight Background Glow */
.stage-spotlight {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(168, 85, 247, 0.1) 45%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  transition: all 0.8s ease;
}

/* 3D Pack Stage Wrapper */
.pack-wrapper {
  position: relative;
  width: 280px;
  height: 420px;
  transform-style: preserve-3d;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

/* The Foil Booster Pack Container */
.booster-pack {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  border-radius: 18px;
  transition: opacity 0.5s ease, transform 0.6s ease;
  z-index: 20;
}

/* Top Tear Seal Strip */
.pack-top-seal {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 65px;
  background: 
    repeating-linear-gradient(90deg, #1e1b4b 0px, #312e81 8px, #4338ca 16px, #1e1b4b 24px),
    linear-gradient(180deg, #6366f1, #4338ca);
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 2px dashed rgba(255, 255, 255, 0.4);
  box-shadow: 
    inset 0 4px 6px rgba(255, 255, 255, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: left bottom;
  transform-style: preserve-3d;
  z-index: 25;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}

.crimp-pattern {
  position: absolute;
  top: 4px;
  left: 0;
  width: 100%;
  height: 12px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.4) 0px, transparent 3px, transparent 6px);
}

.tear-indicator {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #fff;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
}

/* Main Pack Body */
.pack-main-body {
  position: absolute;
  top: 65px;
  left: 0;
  width: 100%;
  height: calc(100% - 65px);
  background: 
    linear-gradient(180deg, #181c38 0%, #0f1329 60%, #151934 100%);
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top: none;
  box-shadow: 
    0 24px 48px rgba(0, 0, 0, 0.7),
    inset 0 0 25px rgba(99, 102, 241, 0.15);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 22px 16px 16px;
  z-index: 22;
}

/* Holographic Foil Layer across pack */
.pack-foil-glare {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 30%,
    rgba(255, 255, 255, 0.22) 50%,
    rgba(255, 255, 255, 0.08) 70%,
    transparent 100%
  );
  mix-blend-mode: overlay;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.pack-emblem {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fbbf24 0%, #d97706 60%, #78350f 100%);
  border: 3px solid #fef08a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  box-shadow: 
    0 0 28px rgba(251, 191, 36, 0.5),
    inset 0 2px 6px rgba(255, 255, 255, 0.8),
    inset 0 -4px 8px rgba(0, 0, 0, 0.5);
  margin-top: 10px;
}

.pack-brand {
  text-align: center;
}

.pack-brand h2 {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
  background: linear-gradient(135deg, #fef08a, #f59e0b, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

.pack-brand p {
  font-size: 0.7rem;
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 2px;
}

.pack-footer {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 8px;
}

/* Bottom Crimp Seal */
.pack-bottom-seal {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 14px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.3) 0px, transparent 3px, transparent 6px);
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
}

/* Hover Shine on Pack */
.booster-pack:hover .pack-foil-glare {
  animation: foilShimmer 2.5s infinite linear;
}

@keyframes foilShimmer {
  0% { transform: translateY(-50%) rotate(25deg); }
  100% { transform: translateY(50%) rotate(25deg); }
}

/* ---------------------------------------------------- */
/* Animated Card (Inside the Pack & Emerging) */
/* ---------------------------------------------------- */
.card-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 420px;
  border-radius: 18px;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  z-index: 21; /* nestled between top seal & pack background */
  display: block;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 0, 0);
  transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Card Faces */
.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 18px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

/* Card Back */
.card-back {
  background: linear-gradient(135deg, #1e1b4b 0%, #090d16 100%);
  border: 3px solid #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotateY(180deg);
}

.card-back-pattern {
  width: 85%;
  height: 90%;
  border: 2px solid rgba(168, 85, 247, 0.4);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: 
    radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 10px, transparent 10px, transparent 20px);
}

.card-back-sigil {
  font-size: 55px;
  filter: drop-shadow(0 0 16px #6366f1);
  animation: pulseSigil 3s infinite ease-in-out;
}

@keyframes pulseSigil {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 16px #6366f1); }
  50% { transform: scale(1.1); filter: drop-shadow(0 0 24px #ec4899); }
}

/* Card Front */
.card-front {
  background: #0f172a;
  border: 3px solid var(--rarity-common);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
  position: relative;
  transform: rotateY(0deg);
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 5;
}

.card-name-group {
  display: flex;
  flex-direction: column;
}

.card-name {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.card-title {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
}

.card-cost-badge {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
  color: #fff;
  border: 2px solid #e0f2fe;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

/* Card Artwork Frame */
.card-art-frame {
  width: 100%;
  height: 180px;
  border-radius: 12px;
  background: #090d16;
  border: 2px solid rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 6px 0;
  z-index: 5;
}

.card-art-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card-element-pill {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
}

/* Card Details & Ability */
.card-details {
  background: rgba(15, 23, 42, 0.8);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 10px;
  font-size: 0.7rem;
  line-height: 1.35;
  color: #cbd5e1;
  min-height: 64px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-ability {
  font-weight: 600;
  color: #f1f5f9;
}

.card-lore {
  font-style: italic;
  font-size: 0.62rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Card Footer Stats */
.card-footer-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  z-index: 5;
}

.card-rarity-tag {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 6px;
}

.card-stats-group {
  display: flex;
  gap: 8px;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-atk { color: #f87171; }
.stat-def { color: #60a5fa; }

/* ---------------------------------------------------- */
/* Holographic Sheen & Glare Overlay on Card */
/* ---------------------------------------------------- */
.card-holo-layer {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: color-dodge;
  transition: opacity 0.3s ease;
  z-index: 10;
}

.card-glare-hotspot {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: overlay;
  transition: opacity 0.3s ease;
  z-index: 11;
}

/* Active 3D Inspect Mode on Card */
.card-item.revealed {
  opacity: 1;
  pointer-events: auto;
  cursor: grab;
}

.card-item.revealed:active {
  cursor: grabbing;
}

.card-item.revealed .card-holo-layer,
.card-item.revealed .card-glare-hotspot {
  opacity: 0.75;
}

/* Rarity Variations */
.card-item[data-rarity="common"] .card-front {
  border-color: var(--rarity-common);
  box-shadow: 0 0 20px rgba(148, 163, 184, 0.3);
}
.card-item[data-rarity="common"] .card-rarity-tag {
  background: rgba(148, 163, 184, 0.2);
  color: var(--rarity-common);
}

.card-item[data-rarity="rare"] .card-front {
  border-color: var(--rarity-rare);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
}
.card-item[data-rarity="rare"] .card-rarity-tag {
  background: rgba(56, 189, 248, 0.2);
  color: var(--rarity-rare);
}

.card-item[data-rarity="epic"] .card-front {
  border-color: var(--rarity-epic);
  box-shadow: 0 0 30px rgba(192, 132, 252, 0.5);
}
.card-item[data-rarity="epic"] .card-rarity-tag {
  background: rgba(192, 132, 252, 0.2);
  color: var(--rarity-epic);
}

.card-item[data-rarity="legendary"] .card-front {
  border-color: var(--rarity-legendary);
  box-shadow: 0 0 35px rgba(251, 191, 36, 0.6);
}
.card-item[data-rarity="legendary"] .card-rarity-tag {
  background: rgba(251, 191, 36, 0.25);
  color: var(--rarity-legendary);
}

.card-item[data-rarity="mythic"] .card-front {
  border-color: var(--rarity-mythic);
  box-shadow: 0 0 45px rgba(244, 63, 94, 0.8), 0 0 70px rgba(168, 85, 247, 0.5);
}
.card-item[data-rarity="mythic"] .card-rarity-tag {
  background: linear-gradient(135deg, #f43f5e, #a855f7);
  color: #fff;
}

/* ---------------------------------------------------- */
/* Opening Sequence Dynamic Keyframes & States */
/* ---------------------------------------------------- */

/* 1. Pack Shaking & Charging Energy */
.booster-pack.charging {
  animation: packViolentShake 0.35s ease-in-out infinite alternate;
}

@keyframes packViolentShake {
  0% { transform: translate3d(-3px, 1px, 0) rotateZ(-1.5deg) scale(1.02); }
  25% { transform: translate3d(3px, -2px, 0) rotateZ(2deg) scale(1.04); }
  50% { transform: translate3d(-3px, -3px, 0) rotateZ(-2deg) scale(1.05); }
  75% { transform: translate3d(4px, 2px, 0) rotateZ(1.5deg) scale(1.06); }
  100% { transform: translate3d(-1px, 3px, 0) rotateZ(0deg) scale(1.07); }
}

/* 2. Top Foil Ripped */
.booster-pack.ripped .pack-top-seal {
  transform: rotateZ(-65deg) translate3d(-90px, -50px, 60px) scale(0.85);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s ease;
}

/* 3. Empty Pack Wrapper dropping away */
.booster-pack.wrapper-drop {
  transform: translate3d(0, 160px, -180px) rotateX(35deg) scale(0.75);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease;
}

/* 4. Card Emergence Animation */
.card-item.anim-emerge {
  animation: cardSlideAndFlip 1.0s cubic-bezier(0.2, 0.85, 0.25, 1) forwards;
  z-index: 50;
}

@keyframes cardSlideAndFlip {
  0% {
    opacity: 1;
    transform: translate3d(0, 80px, -10px) rotateY(180deg) scale(0.8);
  }
  45% {
    opacity: 1;
    /* Card slides upwards out of top foil */
    transform: translate3d(0, -120px, 50px) rotateY(180deg) scale(0.95);
  }
  75% {
    opacity: 1;
    /* Card flips over towards camera */
    transform: translate3d(0, -15px, 90px) rotateY(90deg) scale(1.04);
  }
  100% {
    opacity: 1;
    /* Final pose facing user */
    transform: translate3d(0, 0, 110px) rotateY(0deg) scale(1.08);
  }
}

/* Idle Hover Float on Revealed Card */
.card-item.floating {
  animation: cardIdleFloat 3.5s ease-in-out infinite alternate;
}

@keyframes cardIdleFloat {
  0% { transform: translate3d(0, 0, 110px) rotateX(0deg) rotateY(0deg); }
  100% { transform: translate3d(0, -12px, 120px) rotateX(2.5deg) rotateY(-2.5deg); }
}

/* ---------------------------------------------------- */
/* Control Panel & Action Dock */
/* ---------------------------------------------------- */
.control-dock {
  width: 100%;
  max-width: 800px;
  padding: 16px 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 10;
}

.selector-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  padding: 10px 18px;
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.selector-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-select {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  max-width: 280px;
}

.card-select:focus {
  border-color: var(--accent-cyan);
}

.card-select option {
  background: #0f172a;
  color: #fff;
}

/* Primary Action Buttons */
.button-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 54px;
}

.btn-open-pack {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  color: #fff;
  border: none;
  padding: 14px 38px;
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 
    0 0 25px rgba(168, 85, 247, 0.5),
    0 10px 20px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-open-pack:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 
    0 0 35px rgba(236, 72, 153, 0.7),
    0 15px 25px rgba(0, 0, 0, 0.5);
}

.btn-open-pack:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.btn-open-pack:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-reset {
  display: none;
  background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 14px 34px;
  border-radius: 16px;
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  align-items: center;
  gap: 10px;
  box-shadow: 
    0 0 25px rgba(14, 165, 233, 0.5),
    0 10px 20px rgba(0, 0, 0, 0.4);
  transition: all 0.25s ease;
}

.btn-reset:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 
    0 0 35px rgba(99, 102, 241, 0.7),
    0 15px 25px rgba(0, 0, 0, 0.5);
}

.btn-reset.visible {
  display: flex;
}

/* ---------------------------------------------------- */
/* Card Collection / Binder Modal */
/* ---------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card-binder {
  background: #0f172a;
  border: 1px solid var(--border-glass);
  width: 100%;
  max-width: 960px;
  max-height: 85vh;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.modal-overlay.active .modal-card-binder {
  transform: translateY(0) scale(1);
}

.binder-header {
  padding: 20px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.binder-header h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.btn-close-modal:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.binder-grid {
  padding: 24px 28px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 18px;
}

.binder-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
}

.binder-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
}

.binder-item.locked {
  filter: grayscale(1) opacity(0.45);
  cursor: not-allowed;
}

.binder-item.locked:hover {
  transform: none;
}

.binder-item-thumb {
  width: 100%;
  height: 120px;
  border-radius: 8px;
  background: #090d16;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.binder-item-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.binder-item-rarity {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

/* ---------------------------------------------------- */
/* Mobile Responsive Media Queries */
/* ---------------------------------------------------- */
@media (max-width: 640px) {
  .header-bar {
    padding: 12px 16px;
  }
  
  .logo-text h1 {
    font-size: 1.05rem;
  }
  
  .pack-wrapper,
  .card-item {
    width: 250px;
    height: 375px;
  }
  
  .card-art-frame {
    height: 155px;
  }
  
  .selector-panel {
    flex-direction: column;
    width: 100%;
  }
  
  .card-select {
    max-width: 100%;
    width: 100%;
  }
  
  .button-group {
    width: 100%;
    flex-direction: column;
  }
  
  .btn-open-pack,
  .btn-reset {
    width: 100%;
    justify-content: center;
  }
}

/* ---------------------------------------------------- */
/* Developer Tag Badge */
/* ---------------------------------------------------- */
.developer-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  padding: 6px 16px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  letter-spacing: 0.3px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.developer-tag strong {
  color: #fff;
  background: linear-gradient(135deg, #38bdf8 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.developer-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
  transform: translateY(-2px);
}