/* ==========================================================================
   COUNTERS MODERN CSS DESIGN SYSTEM
   Vanilla CSS with rich aesthetics, harmony color schemes, responsive layouts,
   and dynamic micro-interactions.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Typography & Theme Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Fonts */
  --font-primary: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-secondary: 'Inter', -apple-system, sans-serif;

  /* Animation Timings */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
  --trans-fast: 0.15s var(--ease-smooth);
  --trans-normal: 0.25s var(--ease-smooth);
  --trans-spring: 0.4s var(--ease-spring);

  /* Layout dimensions */
  --header-height: 64px;
  --nav-height: 68px;
  --max-app-width: 500px;
}

/* Light Theme Variables */
:root.light-mode {
  color-scheme: light;
  --bg-primary: #f2f3f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e9ebee;
  --text-primary: #191b22;
  --text-secondary: #697082;
  --text-tertiary: #9da3b4;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.15);
  --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  --modal-backdrop: rgba(0, 0, 0, 0.35);
  --overlay-bg: rgba(255, 255, 255, 0.85);
  --accent-color: #3b9df8;
  --accent-light: #e6f2fe;
}

/* Dark Theme Variables (Default) */
:root,
:root.dark-mode {
  color-scheme: dark;
  --bg-primary: #0d0e11;
  --bg-secondary: #16171d;
  --bg-tertiary: #21232c;
  --text-primary: #f5f6fa;
  --text-secondary: #9aa1b1;
  --text-tertiary: #5d6475;
  --border-light: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --modal-backdrop: rgba(0, 0, 0, 0.55);
  --overlay-bg: rgba(22, 23, 29, 0.85);
  --accent-color: #55b1f9;
  --accent-light: rgba(85, 177, 249, 0.15);
}

/* HSL Player Swatch Presets (Vibrant, high-contrast, premium) */
.card-color-0 { --card-theme: hsl(224, 76%, 36%); --card-text: #ffffff; } /* Deep Blue */
.card-color-1 { --card-theme: hsl(26, 91%, 52%); --card-text: #ffffff; }  /* Bright Orange */
.card-color-2 { --card-theme: hsl(336, 70%, 50%); --card-text: #ffffff; } /* Crimson Pink */
.card-color-3 { --card-theme: hsl(200, 16%, 42%); --card-text: #ffffff; } /* Slate Grey */
.card-color-4 { --card-theme: hsl(156, 75%, 34%); --card-text: #ffffff; } /* Forest Green */
.card-color-5 { --card-theme: hsl(45, 95%, 45%); --card-text: #ffffff; }  /* Golden Yellow */
.card-color-6 { --card-theme: hsl(190, 85%, 38%); --card-text: #ffffff; } /* Teal Cyan */
.card-color-7 { --card-theme: hsl(272, 60%, 46%); --card-text: #ffffff; } /* Royal Purple */

/* --------------------------------------------------------------------------
   2. Reset & Global Layout Styles
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

/* Limit webapp boundary to form a beautiful centered mobile frame on desktop screens */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 30% 20%, rgba(85, 177, 249, 0.08) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(249, 133, 26, 0.06) 0%, transparent 45%);
  z-index: -1;
  pointer-events: none;
}

/* App Viewport Boundaries */
.app-header,
.app-main,
.app-nav,
dialog {
  width: 100%;
  max-width: var(--max-app-width);
}

body > .app-header,
body > .app-main,
body > .app-nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
}

/* Scrollbars styling */
@supports (scrollbar-color: auto) {
  * {
    scrollbar-color: var(--text-tertiary) transparent;
    scrollbar-width: thin;
  }
}

/* Legacy scrollbar fallback for WebKit browsers */
@supports not (scrollbar-color: auto) {
  *::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  *::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 3px;
  }
  *::-webkit-scrollbar-track {
    background: transparent;
  }
}

/* --------------------------------------------------------------------------
   3. Header Navigation Styling
   -------------------------------------------------------------------------- */
.app-header {
  top: 0;
  height: var(--header-height);
  background-color: rgba(var(--bg-primary), 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 16px;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-secondary);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px 12px;
  background-color: var(--bg-tertiary);
  border-radius: 20px;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid var(--border-light);
  transition: all var(--trans-fast);
}

.header-left:hover {
  background-color: var(--border-light);
}

.leader-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
}

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

.app-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text-primary);
}

.header-right {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.header-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.header-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.header-btn:active {
  transform: scale(0.92);
}

/* --------------------------------------------------------------------------
   4. Main Content Area & Tab Control
   -------------------------------------------------------------------------- */
.app-main {
  top: var(--header-height);
  bottom: var(--nav-height);
  overflow-y: auto;
  padding: 16px;
  scroll-behavior: smooth;
  z-index: 10;
}

.tab-content {
  display: none;
  height: 100%;
  animation: fadeIn var(--trans-normal);
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   5. Counters List Screen Layouts (List vs Grid)
   -------------------------------------------------------------------------- */
.counters-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  transition: all var(--trans-normal);
}

.counters-container:empty {
  display: none;
}

/* Grid Layout Styling Override */
html[data-layout="grid"] .counters-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  height: 100%;
  gap: 12px;
}

/* Individual Player Cards */
.player-card {
  position: relative;
  background-color: var(--card-theme, var(--bg-secondary));
  color: var(--card-text, var(--text-primary));
  border-radius: 16px;
  height: auto;
  flex: 1;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--trans-spring), box-shadow var(--trans-normal);
}

/* Adjust card height slightly in grid mode */
html[data-layout="grid"] .player-card {
  height: auto;
}

.player-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
}

/* Card Header elements */
.card-header {
  position: relative;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background-color: rgba(0, 0, 0, 0.12);
  z-index: 5;
}

.card-btn {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.65;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.card-btn:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.15);
}

.card-btn:active {
  transform: scale(0.88);
}

.player-name {
  font-family: var(--font-secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1px;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

/* Card Score Center Display */
.card-score-body {
  position: absolute;
  top: 36px;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
}

.score-display {
  font-family: var(--font-primary);
  font-size: 46px;
  font-weight: 400;
  letter-spacing: -1.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform var(--trans-spring);
}

/* Grid display resizing */
html[data-layout="grid"] .score-display {
  font-size: 34px;
}

.player-card:active .score-display {
  transform: scale(0.96);
}

/* Card Increment/Decrement direct active zones (Left/Right side buttons) */
.card-direct-zone {
  position: absolute;
  top: 36px;
  bottom: 0;
  width: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 300;
  opacity: 0;
  background-color: rgba(255, 255, 255, 0.0);
  cursor: pointer;
  z-index: 4;
  transition: all var(--trans-normal);
}

/* Grid direct zones slightly smaller */
html[data-layout="grid"] .card-direct-zone {
  width: 44px;
}

.card-direct-zone-minus {
  left: 0;
}

.card-direct-zone-plus {
  right: 0;
}

/* Hovering shows subtle plus minus signs on edges */
.player-card:hover .card-direct-zone {
  opacity: 0.45;
}

.card-direct-zone:hover {
  opacity: 1 !important;
  background-color: rgba(255, 255, 255, 0.08);
}

.card-direct-zone:active {
  background-color: rgba(255, 255, 255, 0.15);
  font-size: 28px;
}

/* Active click flash effect */
.zone-active-flash {
  animation: cardEdgeActive 0.3s ease-out;
}

@keyframes cardEdgeActive {
  0% { background-color: rgba(255, 255, 255, 0.0); }
  30% { background-color: rgba(255, 255, 255, 0.22); }
  100% { background-color: rgba(255, 255, 255, 0.0); }
}

/* Empty State Illustration layout */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
  color: var(--text-secondary);
}

.empty-state.hidden {
  display: none;
}

.empty-illustration {
  color: var(--text-tertiary);
  margin-bottom: 20px;
  animation: floatIllustration 3s ease-in-out infinite;
}

@keyframes floatIllustration {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.empty-state h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 24px;
  max-width: 280px;
  line-height: 1.5;
}

/* Buttons */
.primary-btn {
  background-color: var(--accent-color);
  color: #000000;
  border: none;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.primary-btn:hover {
  opacity: 0.92;
  box-shadow: 0 4px 12px var(--accent-light);
}

.primary-btn:active {
  transform: scale(0.96);
}

.primary-btn.full-width {
  width: 100%;
}

.secondary-btn {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.secondary-btn:hover {
  background-color: var(--border-light);
}

/* --------------------------------------------------------------------------
   6. Placeholders & Interactive Games (Dice, Timers)
   -------------------------------------------------------------------------- */
.placeholder-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-secondary);
  height: 100%;
}

.placeholder-icon {
  color: var(--accent-color);
  margin-bottom: 24px;
}

.placeholder-container h2 {
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.placeholder-container p {
  font-size: 14px;
  line-height: 1.5;
  max-width: 300px;
  margin-bottom: 30px;
}

.dice-roll-btn {
  margin-bottom: 20px;
}

.quick-dice-result {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.quick-dice-result.rolled {
  transform: scale(1.15) rotate(8deg);
}

.placeholder-timer-visual {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  padding: 16px 36px;
  border-radius: 20px;
  margin-bottom: 24px;
  box-shadow: var(--card-shadow);
}

.timer-tick {
  font-family: monospace;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-color);
}

.timer-controls {
  display: flex;
  gap: 12px;
}

.shake-animation.active {
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-12deg) scale(1.1); }
  40% { transform: rotate(12deg) scale(1.1); }
  60% { transform: rotate(-8deg) scale(1.1); }
  80% { transform: rotate(8deg) scale(1.1); }
}

/* --------------------------------------------------------------------------
   7. Settings Screen Components
   -------------------------------------------------------------------------- */
.settings-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 24px;
}

.settings-section {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--card-shadow);
}

.settings-section h3 {
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent-color);
  margin-bottom: 16px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

.settings-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.settings-row:first-child {
  padding-top: 0;
}

.settings-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 75%;
}

.setting-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

.setting-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Form switch toggle */
.switch-toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  transition: .3s;
  border-radius: 34px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-primary);
  transition: .3s var(--ease-spring);
  border-radius: 50%;
}

input:checked + .slider-round {
  background-color: var(--accent-color);
  border-color: transparent;
}

input:checked + .slider-round:before {
  transform: translateX(22px);
  background-color: #000000;
}

/* Settings Inputs */
.settings-select {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}

.settings-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

.settings-input {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 10px 14px;
  border-radius: 10px;
  font-family: var(--font-primary);
  font-size: 14px;
  outline: none;
  width: 100%;
}

.settings-input:focus {
  border-color: var(--accent-color);
}

/* Danger actions */
.danger-heading {
  color: #f85c5c !important;
}

.danger-column p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.danger-actions {
  display: flex;
  gap: 12px;
}

.danger-btn {
  background-color: #f85c5c;
  color: #ffffff;
  border: none;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--trans-fast);
  flex: 1;
}

.danger-btn:hover {
  background-color: #e54b4b;
}

.danger-btn:active {
  transform: scale(0.97);
}

.danger-btn-outline {
  background-color: transparent;
  border: 1.5px solid #f85c5c;
  color: #f85c5c;
}

.danger-btn-outline:hover {
  background-color: rgba(248, 92, 92, 0.08);
}

.about-version {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 10px;
}

/* --------------------------------------------------------------------------
   8. Bottom Navigation Bar Styling
   -------------------------------------------------------------------------- */
.app-nav {
  bottom: 0;
  height: var(--nav-height);
  background-color: rgba(var(--bg-primary), 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  padding-bottom: env(safe-area-inset-bottom, 0); /* Notch screen styling */
  z-index: 100;
}

.nav-item {
  background: none;
  border: none;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  height: 100%;
  transition: all var(--trans-fast);
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--trans-spring);
}

.nav-text {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1px;
}

/* Nav Item States */
.nav-item.active {
  color: var(--accent-color);
}

.nav-item.active .nav-icon {
  transform: scale(1.12);
}

.nav-item:active .nav-icon {
  transform: scale(0.9);
}

/* --------------------------------------------------------------------------
   9. Dialogs & Modals Design System (Glassmorphic)
   -------------------------------------------------------------------------- */
dialog {
  border: none;
  background: none;
  outline: none;
  z-index: 200;
}

dialog:not([open]) {
  display: none !important;
  pointer-events: none;
}

/* Modal Backdrops styling */
dialog::backdrop {
  background-color: var(--modal-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--trans-normal);
}

dialog[open]::backdrop {
  opacity: 1;
}

/* Bottom Sheet Slide Up Panels */
.bottom-sheet-dialog {
  position: fixed;
  bottom: 0;
  top: auto;
  left: 50%;
  transform: translate(-50%, 100%);
  margin: 0;
  max-width: var(--max-app-width);
  width: 100%;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  border: 1px solid var(--border-light);
  border-bottom: none;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  max-height: 92vh;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

dialog[open].bottom-sheet-dialog {
  transform: translate(-50%, 0);
}

/* Bottom Sheet Contents */
.bottom-sheet-header {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 16px 16px;
  border-bottom: 1px solid var(--border-light);
}

.drag-handle {
  width: 36px;
  height: 4px;
  background-color: var(--text-tertiary);
  opacity: 0.5;
  border-radius: 2px;
  margin-bottom: 12px;
}

.sheet-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

.sheet-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: all var(--trans-fast);
}

.sheet-close-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.header-actions {
  position: absolute;
  right: 16px;
  top: 14px;
  display: flex;
  gap: 8px;
}

.header-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-fast);
}

.header-icon-btn.danger-color {
  color: #f85c5c;
}

.header-icon-btn:hover {
  background-color: var(--bg-tertiary);
}

.bottom-sheet-body {
  overflow-y: auto;
  padding: 16px;
  background-color: rgba(var(--bg-primary), 0.3);
}

/* --------------------------------------------------------------------------
   10. Calculator Drawer Styles
   -------------------------------------------------------------------------- */
.calculator-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Quick Add List */
.quick-add-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: 100%;
  margin-bottom: 8px;
}

.quick-add-grid > button:nth-child(n+4) {
  grid-column: span 1;
}

/* Special centering logic for standard layouts */
.quick-add-grid > button {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--accent-color);
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 0;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: all var(--trans-fast);
}

.quick-add-grid > button:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
}

.quick-add-grid > button:active {
  transform: scale(0.94);
}

.tweak-caption {
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.65;
  margin-bottom: 20px;
}

/* Calculator Active Row */
.math-entry-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  width: 100%;
  margin-bottom: 20px;
}

.operation-toggles {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  padding: 3px;
  border-radius: 12px;
  display: flex;
}

.op-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-primary);
  font-size: 20px;
  font-weight: 500;
  padding: 6px 0;
  border-radius: 9px;
  cursor: pointer;
  transition: all var(--trans-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.op-btn.active {
  background-color: var(--accent-color);
  color: #000000;
  font-weight: 600;
}

.math-display-wrapper {
  position: relative;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding: 0 16px;
}

.math-op-indicator {
  font-size: 20px;
  font-weight: 600;
  color: var(--accent-color);
  margin-right: 10px;
}

.math-number-input {
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 22px;
  font-weight: 700;
  width: 100%;
  outline: none;
  text-align: right;
  letter-spacing: 0.5px;
}

/* Custom Numeric Pad styling */
.calc-numpad {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: 100%;
}

.num-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 20px;
  font-weight: 500;
  padding: 14px 0;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: all var(--trans-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.num-btn:hover {
  background-color: var(--border-light);
}

.num-btn:active {
  transform: scale(0.92);
}

/* Double key zero span */
.double-key {
  font-size: 18px;
}

/* Operator Keys (Backspace, Clear) */
.op-key {
  color: var(--text-secondary);
  font-size: 18px;
}

.op-key:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Submit Action Key */
.submit-key {
  background-color: var(--accent-color);
  color: #000000;
  border-color: transparent;
  font-weight: 600;
  grid-row: span 2;
  height: 100%;
}

.submit-key:hover {
  background-color: var(--accent-color);
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   11. Edit Player Details Sheet
   -------------------------------------------------------------------------- */
.edit-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Swatches palette */
.color-palette-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.palette-desc {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.palette-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.palette-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--trans-fast);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.palette-swatch:hover {
  transform: scale(1.1);
}

.palette-swatch.active {
  border-color: var(--text-primary);
  transform: scale(1.15);
  box-shadow: 0 0 10px var(--accent-color);
}

/* Standard edit inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.2px;
}

.form-input {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 12px 14px;
  border-radius: 12px;
  font-family: var(--font-primary);
  font-size: 15px;
  outline: none;
  width: 100%;
  transition: border var(--trans-fast);
}

.form-input:focus {
  border-color: var(--accent-color);
}

.form-row {
  display: flex;
  gap: 14px;
}

.field-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.sheet-action-row {
  margin-top: 8px;
}

/* --------------------------------------------------------------------------
   12. Display Options Dialog Drawer (Centered Menu Card)
   -------------------------------------------------------------------------- */
.options-menu-dialog {
  background-color: var(--overlay-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--border-light);
  box-shadow: var(--card-shadow);
  width: calc(100% - 32px);
  max-width: 380px;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  opacity: 0;
  margin: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.25s ease-out;
  overflow: hidden;
}

dialog[open].options-menu-dialog {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.options-dialog-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.options-dialog-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.options-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  transition: all var(--trans-fast);
}

.options-close-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.options-dialog-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.options-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.options-group.border-top {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.options-group h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* Option switcher toggles (List/Grid) */
.toggle-buttons-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  padding: 4px;
  border-radius: 12px;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 10px 0;
  border-radius: 9px;
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.toggle-btn.active {
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-weight: 600;
}

/* Stack selectors */
.selection-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.select-row-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 12px 14px;
  border-radius: 10px;
  font-family: var(--font-primary);
  font-size: 13.5px;
  font-weight: 500;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.select-row-btn:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

.select-row-btn.active {
  background-color: var(--accent-light);
  border-color: var(--accent-color);
  color: var(--accent-color);
  font-weight: 600;
}

/* Custom switch lists inside option modals */
.setting-switch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
}

.switch-title {
  font-size: 13.5px;
  color: var(--text-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   13. History Logs Drawer (Large Dialog Box)
   -------------------------------------------------------------------------- */
.history-log-dialog {
  background-color: var(--overlay-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--border-light);
  box-shadow: var(--card-shadow);
  width: calc(100% - 32px);
  max-width: 420px;
  max-height: 70vh;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  opacity: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.25s ease-out;
  overflow: hidden;
}

dialog[open].history-log-dialog {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.history-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

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

.history-body {
  padding: 16px;
  overflow-y: auto;
  background-color: rgba(var(--bg-primary), 0.2);
  flex: 1;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* History logs list card */
.history-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  padding: 12px 14px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-secondary);
}

.history-badge {
  width: 8px;
  height: 28px;
  border-radius: 4px;
  background-color: var(--history-theme, var(--accent-color));
}

.history-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.history-row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.history-player {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}

.history-time {
  font-size: 11px;
  color: var(--text-tertiary);
}

.history-row-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2px;
}

.history-event {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent-color);
}

.history-progression {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Empty log state */
.history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  color: var(--text-tertiary);
  gap: 10px;
}

.history-empty.hidden {
  display: none;
}

.history-empty p {
  font-size: 13px;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   14. Toast Notification styling
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  border-radius: 20px;
  padding: 8px 16px;
  z-index: 300;
  pointer-events: none;
  opacity: 1;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
              opacity 0.2s ease-out;
}

.toast-notification.hidden {
  transform: translateX(-50%) translateY(16px);
  opacity: 0;
}

.toast-message {
  font-family: var(--font-secondary);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   15. Responsive Styling overrides
   -------------------------------------------------------------------------- */
@media (min-width: 600px) {
  body {
    background-color: var(--bg-primary);
  }
  
  .app-header,
  .app-main,
  .app-nav,
  dialog {
    border-left: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    box-shadow: 0 0 32px rgba(0, 0, 0, 0.2);
  }
}