:root {
  /* Color Palette */
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-green-500: #4fd053;
  --color-green-600: #2dba47;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;
  --color-gray-300: #e5e7eb;
  --color-gray-500: #6b7280;
  --color-gray-600: #3e4651;
  --color-gray-700: #282f37;
  --color-gray-800: #15191e;
  --color-gray-900: #0a0a0b;
  --color-pink-75: #fce7f3;
  --color-pink-100: #fbcfe8;
  --color-pink-150: #f9a8b0;
  --color-blue-100: #dbeafe;
  --color-blue-150: #c1d6f2;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Theme Variables */
  --bg-primary: #f3f4f6;
  --bg-secondary: var(--color-white);
  --text-primary: var(--color-black);
  --text-secondary: var(--color-gray-600);

  /* Button Defaults */
  --btn-padding-v: 0.5rem;
  --btn-padding-h: 0.75rem;
  --btn-radius: 0.375rem;
  --btn-font-size: 1rem;
  --transition-fast: 0.2s;

  /* Layout Spacing */
  --gap-sm: 0.5rem;
  --gap-md: 1rem;
  --gap-lg: 1.5rem;

  /* Animation variables */
  --anim-fast: 160ms;
  --anim-medium: 280ms;
  --anim-slow: 420ms;
  --float-duration: 520ms;       /* how long the float animations run */
  --float-distance-up: -18px;    /* negative = up */
  --float-distance-down: 14px;   /* (kept for compatibility; not used) */
}

/* Dark Mode Theme */
[data-theme="dark"] {
  --bg-primary: var(--color-black);
  --bg-secondary: var(--color-gray-800);
  --text-primary: var(--color-white);
  --text-secondary: var(--color-gray-300);
}

/* Base Styles */
body {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* Override any Tailwind background classes */
.bg-gray-100 {
  background-color: var(--bg-primary) !important;
}

/* Dark Mode Theme (duplicate kept intentionally for safety) */
[data-theme="dark"] {
  --bg-primary: var(--color-black);
  --bg-secondary: var(--color-gray-800);
  --text-primary: var(--color-white);
  --text-secondary: var(--color-gray-300);
}

/* Ensure all text elements use theme colors */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] div,
[data-theme="dark"] label {
  color: var(--text-primary);
}

/* Make sure buttons in dark mode have proper contrast */
[data-theme="dark"] .btn-secondary {
  background-color: var(--color-gray-700);
  color: var(--color-white);
}

[data-theme="dark"] .btn-secondary:hover {
  background-color: var(--color-gray-600);
}

[data-theme="dark"] .btn-tertiary {
  background-color: var(--color-gray-700);
  color: var(--color-white);
}

[data-theme="dark"] .btn-tertiary:hover {
  background-color: var(--color-gray-600);
}

/* Utility Classes */
.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.space-x-sm>*+* {
  margin-left: var(--gap-sm);
}

.space-y-sm>*+* {
  margin-top: var(--gap-sm);
}

.hidden {
  display: none !important;
}

.block {
  display: block !important;
}

.inline-block {
  display: inline-block;
}

.rounded {
  border-radius: var(--btn-radius);
}

.bg-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.bg-white {
  background-color: var(--color-white);
}

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

.cursor-pointer {
  cursor: pointer;
}

.transition-bg {
  transition: background-color var(--transition-fast);
}

.touch-manipulation {
  touch-action: manipulation;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* Base Button Styles
   NOTE: removed transform transition so button presses don't trigger transform GPU transitions
   which could make the card feel like it moves. */
.btn {
  display: inline-block;
  padding: var(--btn-padding-v) var(--btn-padding-h);
  font-size: var(--btn-font-size);
  font-weight: 600;
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  text-align: center;
  /* remove transform from transitions to prevent layout/jank perception */
  transition: background-color var(--transition-fast), box-shadow var(--anim-fast);
  touch-action: manipulation;
  position: relative; /* for ripple child */
  overflow: hidden; /* contain ripple */
}

/* Explicitly forbid transform changes on :active to avoid any movement */
.btn:active,
.btn:focus {
  transform: none !important;
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-blue-500);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-blue-600);
}

.btn-success {
  background-color: var(--color-green-500);
  color: var(--color-white);
}

.btn-success:hover {
  background-color: var(--color-green-600);
}

.btn-danger {
  background-color: var(--color-red-500);
  color: var(--color-white);
}

.btn-danger:hover {
  background-color: var(--color-red-600);
}

.btn-secondary {
  background-color: var(--color-blue-100);
  color: var(--color-gray-600);
}

.btn-secondary:hover {
  background-color: var(--color-blue-150);
}

.btn-tertiary {
  background-color: var(--color-pink-75, var(--color-blue-100));
  color: var(--color-gray-600);
}

.btn-tertiary:hover {
  background-color: var(--color-pink-100);
}

/* Icon Button */
.btn-icon {
  background: transparent;
  padding: var(--btn-padding-v);
  border: none;
  border-radius: 50%;
  position: absolute;
}

.btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

/* Settings icon positioning & size */
#showSettings {
  position: absolute;
  top: 0;
  left: 0;
}

#toggleDarkMode {
  position: absolute;
  top: 0;
  right: 0;
}

#showSettings svg,
#toggleDarkMode svg {
  width: 1rem;
  height: 1rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

/* Title Button */
.title-button {
  all: unset;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  touch-action: manipulation;
  display: inline-block;
  transition: transform var(--anim-fast) cubic-bezier(.2,.9,.2,1);
  transform-origin: center;
}
.title-button:active { transform: scale(0.94); }

/* Player Card
   NOTE: transform removed from transition so updating numbers won't cause perceived card movement.
   Entrance/exit animations remain. */
.player-card {
  display: flex;
  position: relative;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--gap-md);
  border-radius: var(--btn-radius);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  gap: var(--gap-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  opacity: 1;
}

.player-card.removing {
  animation: cardOut var(--anim-medium) forwards;
}
@keyframes cardOut {
  to { opacity: 0; transform: translateX(-18px) scale(.98); height: 0; margin: 0; padding: 0; }
}

/* Warning & Disabled States */
.highlight-danger {
  border: 2px solid var(--color-red-500);
}

.greyed-out {
  background-color: var(--color-gray-300);
  color: var(--color-gray-500);
  opacity: 0.7;
}

.greyed-out button {
  pointer-events: auto;
  opacity: 1;
}

/* Dark mode greyed-out styling */
[data-theme="dark"] .greyed-out {
  background-color: var(--color-gray-900);
  color: var(--color-gray-600);
  opacity: 0.8;
}

/* Remove Button */
.remove-btn {
  position: absolute;
  top: var(--gap-sm);
  right: var(--gap-sm);
  font-size: 1.25rem;
  background: transparent;
  color: var(--color-red-500);
}

/* Player Info */
.player-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.player-info .name {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Reserve horizontal space for points to prevent layout shift (prevents "shake") */
.player-info .points {
  font-size: 1.5rem;
  color: var(--color-blue-500);
  min-width: 3ch;      /* reserve ~3 character width (supports up to double-digit neatly) */
  text-align: center;  /* center alignment avoids shifting */
  display: inline-block;
}

/* Player Actions & Small Section */
.player-actions,
.small-controls {
  display: flex;
  gap: var(--gap-sm);
}

.player-actions {
  flex: 1;
  justify-content: center;
  align-items: center;
}

/* Reserve space for small-count similarly */
.small-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap-sm);
}

.small-count {
  font-size: 1.25rem;
  color: var(--color-pink-150);
  transition: transform var(--anim-fast) cubic-bezier(.2,.9,.2,1);
  min-width: 2ch;
  text-align: center;
  display: inline-block;
}
.small-count.pulse {
  animation: smallPulse 340ms cubic-bezier(.2,.9,.2,1);
}
@keyframes smallPulse { 0% { transform: scale(1); } 50% { transform: scale(1.16); } 100% { transform: scale(1); } }

.small-section .label {
  font-size: 0.875rem;
}

/* Main Controls Container */
#gameControls {
  display: flex;
  gap: var(--gap-sm);
}

#gameControls .btn {
  flex: 1;
}

/* Modal Base */
[data-modal] {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  transition: background-color var(--anim-medium);
}

[data-modal].active {
  display: flex;
}

/* Modal Content */
[data-modal] .bg-white {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  transform-origin: center;
  animation: modalIn var(--anim-medium) cubic-bezier(.2,.9,.2,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Input Fields */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--color-gray-300);
  padding: 0.5rem;
  border-radius: var(--btn-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-blue-500);
}

/* Dark mode input styling */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-color: var(--color-gray-600);
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] input[type="password"]:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  border-color: var(--color-blue-500);
}

/* Override Tailwind input classes specifically */
[data-theme="dark"] #newName {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

/* Floating +1 */
/* shorter float distance and duration so animation stays inside the card */
.float-plus {
  position: fixed;
  pointer-events: none;
  font-weight: 700;
  font-size: .85rem;
  transform-origin: center;
  animation: floatUp var(--float-duration) cubic-bezier(.22,.8,.32,1);
  opacity: 0;
  z-index: 9999;
  color: var(--color-blue-600);
  text-shadow: 0 1px 0 rgba(255,255,255,0.12);
}
@keyframes floatUp {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  65% { opacity: 1; }
  100% { transform: translateY(var(--float-distance-up)) scale(.92); opacity: 0; }
}

/* Floating -1: now an exact copy of +1 but with a minus character.
   identical animation, identical color (blue), same timing. */
.float-minus {
  position: fixed;
  pointer-events: none;
  font-weight: 700;
  font-size: .85rem;
  transform-origin: center;
  animation: floatUp var(--float-duration) cubic-bezier(.22,.8,.32,1);
  opacity: 0;
  z-index: 9999;
  color: var(--color-blue-600); /* same blue as +1 */
  text-shadow: 0 1px 0 rgba(255,255,255,0.12);
}

/* Confetti pieces */
.confetti {
  position: fixed;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  will-change: transform, opacity;
  animation: confettiFall 900ms linear forwards;
  z-index: 9998;
}
@keyframes confettiFall {
  to { transform: translateY(110vh) rotate(720deg) translateX(40px); opacity: 0; }
}

/* Staggered list (leaderboard) using --i variable */
#leaderboardList > li {
  opacity: 0;
  transform: translateY(8px);
  animation: lbIn 360ms ease forwards;
  animation-delay: calc(var(--i, 0) * 40ms);
}
@keyframes lbIn { to { opacity: 1; transform: translateY(0); } }

/* Touch ripple (for .btn) */
.btn-ripple {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  opacity: 0.18;
  transform: scale(0);
  transition: transform 360ms ease, opacity 360ms ease;
  background: currentColor;
  z-index: 5;
}

/* Responsive: maintain horizontal layout */
@media (max-width: 768px) {
  #gameControls {
    flex-direction: row;
  }

  #gameControls .btn {
    width: auto;
  }
}