@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600;700&family=Outfit:wght@300;400;500&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: #e8e6e3;
  overflow: hidden;
  height: 100%;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}

/* ---- Theme CSS custom properties (set via JS) ---- */
:root {
  --accent: #c9a227;
  --accent-rgb: 201,162,39;
  --accent-light: rgb(214,189,106);
  --accent-dark: rgb(112,90,22);
  --accent-shadow: rgb(70,56,14);
  --die-color: #1a1a24;
  --bg: #0a0a0c;
}

/* =========================================
   PAGE FADE OVERLAY
   ========================================= */
#page-fade {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#page-fade.faded { opacity: 0; }

#page-fade.fade-out {
  opacity: 1;
  pointer-events: all;
  transition: opacity 0.7s ease-in;
}

/* =========================================
   VIGNETTE OVERLAY (ambient darkness)
   ========================================= */
#vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(
    ellipse 50% 55% at 50% 45%,
    transparent 0%,
    rgba(4, 4, 6, 0.2) 35%,
    rgba(4, 4, 6, 0.6) 60%,
    rgba(4, 4, 6, 0.88) 100%
  );
}

/* =========================================
   CANVAS
   ========================================= */
#canvas-container {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
  touch-action: none;
}

/* =========================================
   BACK BUTTON (top left)
   ========================================= */
#back-btn {
  position: fixed;
  top: 0.8rem; left: 0.8rem;
  z-index: 10;
  background: rgba(26, 26, 36, 0.88);
  border: 1px solid #2a2a35;
  color: #7a7a7a;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 180ms ease;
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 2px 4px rgba(0,0,0,0.3);
}

#back-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

#back-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 2px 4px rgba(0,0,0,0.3),
    0 0 12px rgba(var(--accent-rgb),0.15);
}

#back-btn:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

/* =========================================
   TOP BAR (Result display)
   ========================================= */
#top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding: 1.2rem 1rem 0;
  pointer-events: none;
}

#result-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-height: 2.8rem;
  pointer-events: auto;
}

#result-total {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(var(--accent-rgb),0.35);
  line-height: 1;
}

#result-total.flash {
  animation: result-pop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes result-pop {
  0% { transform: scale(0.5); opacity: 0.3; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

#result-breakdown {
  font-size: 0.85rem;
  font-weight: 500;
  color: #ffffff;
  text-shadow:
    -1px -1px 0 #000,
     1px -1px 0 #000,
    -1px  1px 0 #000,
     1px  1px 0 #000,
     0 0 6px rgba(0,0,0,0.5);
  letter-spacing: 0.02em;
}

/* Clickable die result values in breakdown */
.breakdown-value {
  cursor: pointer;
  position: relative;
  padding: 0 2px;
  border-radius: 3px;
  transition: color 150ms ease, background 150ms ease;
}

.breakdown-value:hover {
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.15);
}

.breakdown-value .reroll-hint {
  display: none;
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--accent);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0.85;
}

.breakdown-value:hover .reroll-hint {
  display: block;
}

/* Expression result indicators */
.breakdown-value.dropped {
  text-decoration: line-through;
  opacity: 0.35;
}

.breakdown-value.dropped:hover {
  opacity: 0.6;
}

.breakdown-value .original-val {
  font-size: 0.6rem;
  opacity: 0.45;
  text-decoration: line-through;
  margin-right: 2px;
}

.breakdown-value.rerolled {
  color: #e8a0ff;
}

.breakdown-value.min-applied {
  color: #6abfff;
}

/* =========================================
   NAT 1 / NAT 20 OVERLAYS
   ========================================= */
#nat-overlay {
  position: fixed;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  opacity: 0;
}

#nat-overlay.nat20 {
  animation: nat20-burst 3s ease-out forwards;
}

#nat-overlay.nat1 {
  animation: nat1-pulse 3s ease-out forwards;
}

@keyframes nat20-burst {
  0% {
    opacity: 1;
    background: radial-gradient(circle at 50% 50%, rgba(201,162,39,0.6), rgba(201,162,39,0.2) 40%, transparent 70%);
    box-shadow: inset 0 0 80px rgba(255,215,0,0.6), inset 0 0 200px rgba(255,215,0,0.15);
  }
  20% {
    opacity: 0.9;
    background: radial-gradient(circle at 50% 50%, rgba(255,215,0,0.35), rgba(201,162,39,0.12) 50%, transparent 80%);
    box-shadow: inset 0 0 120px rgba(255,215,0,0.4), inset 0 0 300px rgba(255,215,0,0.1);
  }
  50% {
    opacity: 0.5;
    box-shadow: inset 0 0 60px rgba(255,215,0,0.15);
  }
  100% {
    opacity: 0;
    background: radial-gradient(circle at 50% 50%, transparent, transparent);
    box-shadow: inset 0 0 0 transparent;
  }
}

@keyframes nat1-pulse {
  0% {
    opacity: 1;
    background: radial-gradient(circle at 50% 50%, rgba(180,20,20,0.5), rgba(80,0,0,0.3) 40%, transparent 70%);
    box-shadow: inset 0 0 80px rgba(220,20,20,0.5), inset 0 0 200px rgba(120,0,0,0.15);
  }
  15% {
    opacity: 0.9;
    background: radial-gradient(circle at 50% 50%, rgba(120,0,0,0.4), rgba(40,0,0,0.25) 50%, transparent 75%);
    box-shadow: inset 0 0 120px rgba(200,20,20,0.35), inset 0 0 250px rgba(80,0,0,0.1);
  }
  40% {
    opacity: 0.5;
    background: radial-gradient(circle at 50% 50%, rgba(80,0,0,0.2), transparent 60%);
    box-shadow: inset 0 0 40px rgba(150,10,10,0.1);
  }
  100% {
    opacity: 0;
    background: radial-gradient(circle at 50% 50%, transparent, transparent);
    box-shadow: inset 0 0 0 transparent;
  }
}

/* Nat 20 golden shimmer on result text */
#result-total.nat20-text {
  color: #ffd700;
  text-shadow: 0 0 30px rgba(255,215,0,0.6), 0 0 60px rgba(201,162,39,0.3);
  animation: nat20-text-glow 3s ease-out forwards;
}

#result-total.nat1-text {
  color: #cc2222;
  text-shadow: 0 0 30px rgba(200,30,30,0.6), 0 0 60px rgba(120,0,0,0.3);
  animation: nat1-text-glow 3s ease-out forwards;
}

@keyframes nat20-text-glow {
  0% { transform: scale(1.5); }
  20% { transform: scale(1.15); }
  100% { transform: scale(1); color: var(--accent); text-shadow: 0 0 20px rgba(var(--accent-rgb),0.35); }
}

@keyframes nat1-text-glow {
  0% { transform: scale(1.4); }
  20% { transform: scale(1.1); }
  100% { transform: scale(1); color: var(--accent); text-shadow: 0 0 20px rgba(var(--accent-rgb),0.35); }
}

/* ---- Nat banner text overlay ---- */
.nat-banner {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  z-index: 100;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: 3rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  pointer-events: none;
  white-space: nowrap;
  opacity: 0;
}

.nat20-banner {
  color: #ffd700;
  text-shadow:
    0 0 40px rgba(255,215,0,0.8),
    0 0 80px rgba(201,162,39,0.4),
    0 2px 0 #8a6b00;
  animation: nat-banner-gold 3s ease-out forwards;
}

.nat1-banner {
  color: #ee3333;
  text-shadow:
    0 0 40px rgba(220,30,30,0.8),
    0 0 80px rgba(120,0,0,0.4),
    0 2px 0 #500000;
  animation: nat-banner-red 3s ease-out forwards;
}

@keyframes nat-banner-gold {
  0%   { transform: translate(-50%, -50%) scale(0) rotate(-5deg); opacity: 0; }
  12%  { transform: translate(-50%, -50%) scale(1.3) rotate(2deg); opacity: 1; }
  25%  { transform: translate(-50%, -50%) scale(1) rotate(0deg); opacity: 1; }
  65%  { transform: translate(-50%, -50%) scale(1) rotate(0deg); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.8) rotate(0deg); opacity: 0; }
}

@keyframes nat-banner-red {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  8%   { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
  12%  { transform: translate(-50%, -50%) scale(0.95); opacity: 1; }
  20%  { transform: translate(-50%, -50%) scale(1); opacity: 0.9; }
  65%  { transform: translate(-50%, -50%) scale(1); opacity: 0.9; }
  100% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
}

/* ---- Emoji particles ---- */
.nat-emoji {
  position: fixed;
  z-index: 99;
  pointer-events: none;
  bottom: 10%;
  animation: emoji-rise 2.5s ease-out forwards;
  opacity: 0;
}

@keyframes emoji-rise {
  0%   { transform: translateY(0) scale(0) rotate(0deg); opacity: 0; }
  8%   { transform: translateY(-20px) scale(1.1) rotate(15deg); opacity: 1; }
  75%  { opacity: 0.9; }
  100% { transform: translateY(-75vh) scale(0.4) rotate(360deg); opacity: 0; }
}

/* =========================================
   TOOLBAR (Settings + History, top right)
   ========================================= */
#toolbar {
  position: fixed;
  top: 0.8rem; right: 0.8rem;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.toolbar-btn {
  background: rgba(26, 26, 36, 0.88);
  border: 1px solid #2a2a35;
  color: #7a7a7a;
  padding: 0.35rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 180ms ease;
  width: 32px;
  height: 32px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 2px 4px rgba(0,0,0,0.3);
}

.toolbar-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 2px 4px rgba(0,0,0,0.3),
    0 0 12px rgba(var(--accent-rgb),0.2);
}

.toolbar-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.08);
  box-shadow:
    inset 0 1px 3px rgba(0,0,0,0.2),
    0 0 10px rgba(var(--accent-rgb),0.15);
}

.toolbar-btn:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.25);
}

.toolbar-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* =========================================
   SETTINGS PANEL
   ========================================= */
#settings-panel { position: relative; }

#settings-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  background: rgba(14, 14, 20, 0.96);
  border: 1px solid #2a2a35;
  border-top: 1px solid rgba(var(--accent-rgb),0.25);
  border-radius: 8px;
  padding: 0.75rem;
  min-width: 200px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 8px 24px rgba(0,0,0,0.5),
    0 0 1px rgba(var(--accent-rgb),0.15);
  display: none;
}

#settings-menu.open { display: block; }

/* =========================================
   THEME PANEL
   ========================================= */
#theme-panel { position: relative; }

#theme-menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  background: rgba(14, 14, 20, 0.96);
  border: 1px solid #2a2a35;
  border-top: 1px solid rgba(var(--accent-rgb),0.25);
  border-radius: 8px;
  padding: 0.75rem;
  min-width: 200px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 8px 24px rgba(0,0,0,0.5),
    0 0 1px rgba(var(--accent-rgb),0.15);
  display: none;
}

#theme-menu.open { display: block; }

.settings-label {
  display: block;
  color: #6a6a6a;
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.theme-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px 6px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: all 150ms ease;
}

.theme-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: #3a3a45;
}

.theme-card.active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb),0.08);
}

.theme-card__swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
}

.theme-card__name {
  font-size: 0.55rem;
  color: #6a6a6a;
  text-align: center;
  line-height: 1.2;
}

.theme-card.active .theme-card__name { color: var(--accent); }

.theme-card__swatch--random {
  background: conic-gradient(
    #c9a227, #cc3333, #88ccee, #c8b89a,
    #3ac92a, #cc7832, #00ccff, #c9a227
  );
  box-shadow: none !important;
}

/* =========================================
   HISTORY PANEL
   ========================================= */
#history-panel { position: relative; }

#history-list {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  width: 220px;
  max-height: 35vh;
  background: rgba(14, 14, 20, 0.96);
  border: 1px solid #2a2a35;
  border-top: 1px solid rgba(var(--accent-rgb),0.25);
  border-radius: 6px;
  overflow-y: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    0 8px 24px rgba(0,0,0,0.5),
    0 0 1px rgba(var(--accent-rgb),0.15);
  display: none;
}

#history-list.open { display: block; }
#history-list::-webkit-scrollbar { width: 4px; }
#history-list::-webkit-scrollbar-track { background: transparent; }
#history-list::-webkit-scrollbar-thumb { background: #2a2a35; border-radius: 2px; }

.history-entry {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid #1a1a24;
  font-size: 0.72rem;
  animation: history-in 0.25s ease;
}

.history-entry:last-child { border-bottom: none; }

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

.history-entry__formula { color: #9a9a9a; margin-bottom: 0.15rem; }
.history-entry__result { color: var(--accent); font-weight: 600; font-size: 0.85rem; }
.history-entry__detail { color: #4a4a4a; font-size: 0.65rem; }

.history-empty {
  padding: 1rem;
  text-align: center;
  color: #3a3a45;
  font-size: 0.72rem;
  font-style: italic;
}

.history-header {
  display: flex;
  justify-content: flex-end;
  padding: 0.35rem 0.5rem 0.15rem;
  border-bottom: 1px solid #1a1a24;
  position: sticky;
  top: 0;
  background: rgba(14, 14, 20, 0.98);
  z-index: 1;
}

.history-clear-btn {
  background: none;
  border: 1px solid #3a3a45;
  color: #6a6a6a;
  font-size: 0.6rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.2s, border-color 0.2s;
}

.history-clear-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* =========================================
   BOTTOM BAR
   ========================================= */
#bottom-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1rem 1.2rem;
  pointer-events: none;
  gap: 0.3rem;
}

#bottom-bar > * { pointer-events: auto; }

/* ---- Queue (hidden - replaced by expression input) ---- */
#queue-bar {
  display: none;
}

.queue-pill {
  background: rgba(var(--accent-rgb),0.12);
  border: 1px solid rgba(var(--accent-rgb),0.3);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  transition: all 120ms ease;
}

.queue-pill:hover {
  background: rgba(var(--accent-rgb),0.25);
  border-color: var(--accent);
}

.queue-pill__remove { font-size: 0.65rem; opacity: 0.5; margin-left: 0.1rem; }
.queue-pill:hover .queue-pill__remove { opacity: 1; }

#queue-clear {
  background: none;
  border: 1px solid #2a2a35;
  color: #6a6a6a;
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 120ms ease;
}

#queue-clear:hover { border-color: #ef4444; color: #ef4444; }

#queue-warning {
  color: #ef4444;
  font-size: 0.65rem;
  min-height: 0.8rem;
}

/* ---- Expression Input ---- */
#expr-row {
  width: 39rem;
  max-width: calc(100vw - 2rem);
  display: flex;
  align-items: stretch;
  gap: 0.35rem;
  margin-bottom: 0.1rem;
}

#expr-input {
  flex: 1;
  min-width: 0;
  background: rgba(14, 14, 18, 0.85);
  border: 1px solid #2a2a35;
  color: var(--accent);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  text-align: left;
  outline: none;
  transform-origin: left center;
  transform: scaleX(1);
  transition:
    background 200ms ease,
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 350ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 250ms ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

#expr-input::placeholder {
  color: #3a3a45;
  font-weight: 400;
  letter-spacing: 0.04em;
}

#expr-input:focus {
  background: rgba(20, 20, 28, 0.95);
  border-color: rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.08);
}

#expr-input.has-content {
  border-color: rgba(var(--accent-rgb), 0.25);
  background: rgba(18, 18, 24, 0.92);
}

#expr-input.collapsed {
  transform: scaleX(0);
  opacity: 0;
  pointer-events: none;
}

/* ---- Advantage Toggle ---- */
#adv-toggle {
  width: 6.8rem;
  height: 1.85rem;
  flex-shrink: 0;
  background: rgba(14, 14, 18, 0.85);
  border: 1px solid #2a2a35;
  border-radius: 6px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  padding: 0;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transform: scaleX(1);
  transform-origin: right center;
  transition: border-color 300ms ease, background 300ms ease,
    transform 350ms cubic-bezier(0.4, 0, 0.2, 1), opacity 250ms ease;
}

#adv-toggle:hover {
  border-color: #4a4a55;
}

.adv-toggle__track {
  display: flex;
  flex-direction: column;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(0);
}

.adv-toggle__slot {
  height: 1.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.adv-slot--normal {
  color: #c8c8c8;
}

.adv-slot--advantage {
  color: #42c58a;
}

.adv-slot--disadvantage {
  color: #DC143C;
}

#adv-toggle.adv-mode-1 {
  border-color: rgba(66, 197, 138, 0.35);
  background: rgba(66, 197, 138, 0.06);
}

#adv-toggle.adv-mode-1 .adv-toggle__track {
  transform: translateY(-1.85rem);
}

#adv-toggle.adv-mode-2 {
  border-color: rgba(220, 20, 60, 0.35);
  background: rgba(220, 20, 60, 0.06);
}

#adv-toggle.adv-mode-2 .adv-toggle__track {
  transform: translateY(-3.7rem);
}

#adv-toggle.collapsed {
  transform: scaleX(0);
  opacity: 0;
  pointer-events: none;
}

/* =========================================
   DICE FAN LAYOUT (centered horizontally)
   ========================================= */
#dice-fan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

#fan-left, #fan-right {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

#fan-left { margin-right: 0.5rem; }
#fan-right { margin-left: 0.5rem; }

.dice-btn {
  background-color: rgba(26, 26, 36, 0.92);
  border: 1px solid #2a2a35;
  color: #e0e0e0;
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: visible;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transform-origin: center;
  transform: scale(1);
  opacity: 1;
  transition:
    transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 250ms ease,
    border-color 120ms ease,
    color 120ms ease,
    box-shadow 120ms ease;
  white-space: nowrap;
  width: 3rem;
  text-align: center;
  text-shadow:
    -1px -1px 0 rgba(0,0,0,0.8),
     1px -1px 0 rgba(0,0,0,0.8),
    -1px  1px 0 rgba(0,0,0,0.8),
     1px  1px 0 rgba(0,0,0,0.8),
     0 0 8px rgba(0,0,0,0.6);
}

.dice-btn::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 160%;
  height: 160%;
  transform: translate(-50%, -50%);
  background-image: var(--di);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
  transition: transform 200ms ease, filter 200ms ease;
}

.dice-btn__text {
  position: relative;
  z-index: 1;
}

.dice-btn:hover {
  border-color: transparent;
  color: var(--accent);
  box-shadow: none;
}

.dice-btn:hover::before {
  transform: translate(-50%, -50%) scale(1.12);
  filter:
    drop-shadow(0 0 1px var(--accent))
    drop-shadow(0 0 3px var(--accent))
    drop-shadow(0 0 8px rgba(var(--accent-rgb),0.4));
}

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

/* Fan stagger delays - expand (innermost first) */
.dice-btn[data-fan="1"] { transition-delay: 0ms; }
.dice-btn[data-fan="2"] { transition-delay: 50ms; }
.dice-btn[data-fan="3"] { transition-delay: 100ms; }
.dice-btn[data-fan="4"] { transition-delay: 150ms; }

/* Collapsed state - buttons scale to 0 toward center */
#dice-fan.collapsed .dice-btn {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

/* Collapse stagger - outermost first */
#dice-fan.collapsed .dice-btn[data-fan="1"] { transition-delay: 120ms; }
#dice-fan.collapsed .dice-btn[data-fan="2"] { transition-delay: 80ms; }
#dice-fan.collapsed .dice-btn[data-fan="3"] { transition-delay: 40ms; }
#dice-fan.collapsed .dice-btn[data-fan="4"] { transition-delay: 0ms; }

/* Badge on dice buttons */
.dice-btn__badge {
  position: absolute;
  top: -8px; right: -4px;
  background: none;
  color: #ffffff;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  pointer-events: none;
  z-index: 2;
  text-shadow:
    0 0 4px rgba(0,0,0,0.9),
    0 1px 2px rgba(0,0,0,0.8);
  animation: badge-pop 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dice-btn__badge:empty { display: none; }

@keyframes badge-pop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

/* =========================================
   ROLL BUTTON
   ========================================= */
#roll-btn {
  position: relative;
  background: linear-gradient(to bottom, var(--accent-light), var(--accent));
  border: none;
  color: #0a0a0c;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
  text-shadow: 0 1px 0 rgba(255,255,255,0.15);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    0 6px 0 var(--accent-dark),
    0 8px 12px rgba(0,0,0,0.35);
  transition: all 100ms ease;
}

#roll-btn:hover {
  background: linear-gradient(to bottom, var(--accent), var(--accent-light));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 6px 0 var(--accent-dark),
    0 10px 18px rgba(0,0,0,0.4);
  transform: translateY(-1px);
}

#roll-btn:active {
  transform: translateY(4px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.1),
    0 2px 0 var(--accent-dark);
  transition: all 40ms ease;
}

#roll-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

#roll-badge {
  position: absolute;
  top: -8px; right: -10px;
  background: rgba(26, 26, 36, 0.95);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: 'Outfit', sans-serif;
  font-size: 0.6rem;
  font-weight: 600;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  line-height: 1;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: scale(1);
  z-index: 2;
}

#roll-badge.hidden { opacity: 0; transform: scale(0); }

#roll-badge.pop {
  transform: scale(1.25);
}

/* ---- Hints ---- */
.hint-row { display: flex; gap: 1.2rem; justify-content: center; }
.hint { color: #4a4a4a; font-size: 0.6rem; }

/* ---- Re-roll / Shake / Clear: visibility managed by #tray-actions ---- */

/* ---- Shake & Clear Buttons ---- */
#tray-actions {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 150ms ease, visibility 150ms ease;
}

#tray-actions.visible { visibility: visible; opacity: 1; }

.tray-action-btn {
  background: none;
  border: 1px solid #2a2a35;
  color: #6a6a6a;
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 150ms ease;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.tray-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.06);
}

.tray-action-btn svg { width: 11px; height: 11px; }

.tray-action-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

.tray-action-sep { width: 1px; height: 14px; background: #2a2a35; }

/* ---- Keyboard Shortcuts Legend (in settings panel) ---- */
.shortcuts-section {
  margin-top: 0;
  padding-top: 0;
}

.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.2rem 0;
  font-size: 0.6rem;
}

.shortcut-row__label {
  color: #6a6a6a;
}

.shortcut-row__keys {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}

.kbd {
  background: rgba(255,255,255,0.06);
  border: 1px solid #3a3a45;
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.55rem;
  color: #9a9a9a;
  line-height: 1.2;
}

/* =========================================
   MODIFIER: ARROW CONTROLS
   ========================================= */
#roll-group {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-shrink: 0;
}

/* Arrow buttons - height matches roll button */
.mod-arrow {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--accent);
  transition: transform 120ms ease, filter 120ms ease;
}

.mod-arrow svg {
  width: 54px;
  height: 32px;
  filter: drop-shadow(0 3px 0 var(--accent-shadow))
         drop-shadow(0 1px 2px rgba(0,0,0,0.4));
  transition: transform 120ms ease, filter 120ms ease;
}

.mod-arrow:hover svg {
  transform: scale(1.12);
  filter: drop-shadow(0 3px 0 var(--accent-shadow))
         drop-shadow(0 0 6px rgba(var(--accent-rgb),0.4))
         drop-shadow(0 1px 2px rgba(0,0,0,0.4));
}

.mod-arrow:active svg {
  transform: scale(0.88) translateY(2px);
  filter: drop-shadow(0 1px 0 var(--accent-shadow));
}

.mod-arrow.collapsed {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
  transition: opacity 150ms ease, width 150ms ease;
}

/* =========================================
   MOBILE RESPONSIVE
   ========================================= */

@media (max-width: 600px) {

  /* ---- Bottom bar: safe area for phones ---- */
  #bottom-bar {
    padding: 0 0.5rem 0.8rem;
    padding-bottom: max(0.8rem, env(safe-area-inset-bottom));
    gap: 0.25rem;
  }

  /* ---- Expression row: narrower, smaller type ---- */
  #expr-row {
    width: 100%;
    max-width: none;
    gap: 0.25rem;
  }

  #expr-input {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
  }

  #adv-toggle {
    width: 5.5rem;
    font-size: 0.6rem;
  }

  /* ---- Dice fan: two-row layout ---- */
  #dice-fan {
    display: flex;
    align-items: stretch;
    gap: 0.2rem;
    width: 100%;
    justify-content: center;
  }

  #fan-left, #fan-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.2rem;
    margin: 0;
    overflow: visible;
  }

  .dice-btn {
    width: 2.6rem;
    padding: 0.35rem 0;
    font-size: 0.7rem;
  }

  /* ---- Roll group: tall center block ---- */
  #roll-group {
    align-self: stretch;
    flex-direction: row;
    align-items: center;
    gap: 0.1rem;
  }

  #roll-btn {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,0.25),
      0 4px 0 var(--accent-dark),
      0 6px 8px rgba(0,0,0,0.3);
  }

  .mod-arrow svg {
    width: 63px;
    height: 39px;
  }

  /* ---- Tray actions: icons only, compact ---- */
  .tray-action-btn {
    font-size: 0;
    padding: 0.3rem;
    gap: 0;
  }

  .tray-action-btn svg {
    width: 14px;
    height: 14px;
  }

  #tray-actions {
    gap: 0.3rem;
  }

  /* ---- Hide hint text ---- */
  .hint {
    display: none;
  }

  .hint-row {
    justify-content: center;
    gap: 0.5rem;
  }

  /* ---- Result display: slightly smaller ---- */
  #result-total {
    font-size: 2.2rem;
  }

  #result-breakdown {
    font-size: 0.75rem;
  }

  #top-bar {
    padding-top: 0.8rem;
  }

  /* ---- Toolbar: tighter spacing ---- */
  #toolbar {
    top: 0.5rem;
    right: 0.5rem;
    gap: 0.25rem;
  }

  /* ---- Panels: max width on small screens ---- */
  #settings-menu,
  #theme-menu {
    min-width: 180px;
    max-height: 50vh;
    overflow-y: auto;
  }

  .theme-card {
    padding: 6px 3px 4px;
    gap: 3px;
  }

  .theme-card__swatch {
    width: 18px; height: 18px;
  }

  .theme-card__name {
    font-size: 0.5rem;
  }

  #history-list {
    width: 190px;
  }

  /* ---- Back button: smaller ---- */
  #back-btn {
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.25rem 0.45rem;
    font-size: 0.6rem;
  }

  #back-btn svg { width: 12px; height: 12px; }

  /* ---- Queue warning ---- */
  #queue-warning {
    font-size: 0.6rem;
  }

  /* ---- Fan collapse stagger: faster on mobile ---- */
  .dice-btn[data-fan="1"] { transition-delay: 0ms; }
  .dice-btn[data-fan="2"] { transition-delay: 30ms; }
  .dice-btn[data-fan="3"] { transition-delay: 60ms; }
  .dice-btn[data-fan="4"] { transition-delay: 90ms; }

  #dice-fan.collapsed .dice-btn[data-fan="1"] { transition-delay: 70ms; }
  #dice-fan.collapsed .dice-btn[data-fan="2"] { transition-delay: 45ms; }
  #dice-fan.collapsed .dice-btn[data-fan="3"] { transition-delay: 20ms; }
  #dice-fan.collapsed .dice-btn[data-fan="4"] { transition-delay: 0ms; }

  /* ---- Nat banners: smaller on mobile ---- */
  .nat-banner {
    font-size: 1.8rem;
    letter-spacing: 0.04em;
  }
}

/* ---- Extra tight: very small phones ---- */
@media (max-width: 380px) {

  .settings-grid {
    gap: 4px;
  }

  .theme-card {
    padding: 4px 2px 3px;
    gap: 2px;
  }

  .theme-card__swatch {
    width: 16px; height: 16px;
  }

  .dice-btn {
    width: 2.2rem;
    padding: 0.3rem 0;
    font-size: 0.62rem;
  }

  #roll-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.85rem;
  }

  .mod-arrow svg {
    width: 51px;
    height: 33px;
  }

  #expr-input {
    font-size: 0.7rem;
    padding: 0.3rem 0.4rem;
  }

  #adv-toggle {
    width: 4.5rem;
  }

  .adv-toggle__slot {
    font-size: 0.6rem;
    height: 1.6rem;
  }

  #adv-toggle {
    height: 1.6rem;
  }

  #adv-toggle.adv-mode-1 .adv-toggle__track {
    transform: translateY(-1.6rem);
  }

  #adv-toggle.adv-mode-2 .adv-toggle__track {
    transform: translateY(-3.2rem);
  }
}