/* ==========================================================================
   MULTITRO DESIGN SYSTEM & THEME TOKENS
   Inspired by Balatro roguelike poker aesthetic with modern responsiveness.
   ========================================================================== */

:root {
  /* Colors */
  --bg-dark: #0a0d14;
  --felt-green-top: #1b4332;
  --felt-green-bottom: #081c15;
  --felt-border: #2d6a4f;
  
  --panel-bg: rgba(18, 24, 38, 0.92);
  --panel-border: rgba(255, 255, 255, 0.12);
  --panel-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  
  /* Text */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Poker Engine Colors */
  --chip-blue: #0ea5e9;
  --chip-blue-glow: rgba(14, 165, 233, 0.4);
  --mult-red: #f43f5e;
  --mult-red-glow: rgba(244, 63, 94, 0.4);
  --gold-coin: #eab308;
  --gold-glow: rgba(234, 179, 8, 0.35);
  
  /* Suits */
  --suit-hearts: #ef4444;
  --suit-diamonds: #f97316;
  --suit-spades: #38bdf8;
  --suit-clubs: #10b981;
  
  /* Editions */
  --wilder-purple: #c026d3;
  --wilder-glow: rgba(192, 38, 211, 0.5);
  --foil-cyan: #06b6d4;
  --holo-green: #22c55e;
  --poly-gradient: linear-gradient(135deg, #ef4444, #eab308, #10b981, #06b6d4, #8b5cf6);
  
  /* Card Geometry */
  --card-width: 90px;
  --card-height: 126px;
  --card-radius: 8px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* Reset and Global Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 14px;
}

/* Background Poker Felt Surface */
.game-surface {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 50% 45%, var(--felt-green-top) 0%, var(--felt-green-bottom) 100%);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Subtle Retro CRT Scanline Overlay */
.crt-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.18) 50%);
  background-size: 100% 4px;
  z-index: 999;
  opacity: 0.7;
}

/* Common UI Elements */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

button:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.15);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* Buttons Variants */
.btn-primary {
  background: linear-gradient(180deg, #3b82f6 0%, #1d4ed8 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.4);
}

.btn-success {
  background: linear-gradient(180deg, #22c55e 0%, #15803d 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(21, 128, 61, 0.4);
}

.btn-danger {
  background: linear-gradient(180deg, #ef4444 0%, #b91c1c 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(185, 28, 28, 0.4);
}

.btn-gold {
  background: linear-gradient(180deg, #eab308 0%, #a16207 100%);
  color: #1e1b4b;
  box-shadow: 0 4px 12px rgba(161, 98, 7, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-chip {
  background: rgba(14, 165, 233, 0.2);
  color: var(--chip-blue);
  border: 1px solid var(--chip-blue);
}

.badge-mult {
  background: rgba(244, 63, 94, 0.2);
  color: var(--mult-red);
  border: 1px solid var(--mult-red);
}

.badge-gold {
  background: rgba(234, 179, 8, 0.2);
  color: var(--gold-coin);
  border: 1px solid var(--gold-coin);
}

.badge-wilder {
  background: rgba(192, 38, 211, 0.2);
  color: var(--wilder-purple);
  border: 1px solid var(--wilder-purple);
  animation: pulse-wilder 2s infinite;
}

@keyframes pulse-wilder {
  0%, 100% { box-shadow: 0 0 4px var(--wilder-glow); }
  50% { box-shadow: 0 0 12px var(--wilder-glow); }
}

/* Modals & Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 15, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--panel-shadow);
  padding: 24px;
  max-width: 540px;
  width: 90%;
  animation: modal-enter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}