:root {
  --bg:         #131315;
  --surface:    #1e1e21;
  --surface2:   #28282c;
  --border:     #38383e;
  --border-hi:  #505058;
  --orange:     #e8621a;
  --orange-dim: #7a300a;
  --orange-glow:rgba(232,98,26,0.22);
  --text:       #e2e2e6;
  --text-dim:   #78787e;
  --text-mid:   #a8a8b0;
  --crit:       #e8b84a;
  --fumble:     #d04040;
  --radius:     6px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }

body {
  min-height: 100%;
  background: var(--bg);
  background-image: radial-gradient(ellipse 70% 35% at 50% 0%, rgba(232,98,26,0.09) 0%, transparent 65%);
  font-family: 'Barlow Condensed', 'Rajdhani', sans-serif;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: env(safe-area-inset-bottom, 20px);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ══════════════ HEADER ══════════════ */
header {
  width: 100%;
  max-width: 480px;
  padding: 1.8rem 1.25rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-icon {
  width: 44px; height: 44px;
  color: var(--orange);
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(232,98,26,0.5));
}

.header-text { flex: 1; }

h1 {
  font-family: 'Cinzel', serif;
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 0.1rem;
}

h1 span { color: var(--orange); }

.tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ══════════════ MAIN ══════════════ */
main {
  width: 100%;
  max-width: 480px;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ══════════════ CARD ══════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.card-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.65rem;
}

/* ══════════════ POOL ══════════════ */
.pool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-height: 34px;
  align-items: center;
  margin-bottom: 0.6rem;
}

.pool-empty {
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.pool-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  background: var(--surface2);
  border: 1px solid var(--orange-dim);
  border-radius: 4px;
  padding: 0.28rem 0.6rem 0.28rem 0.45rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  cursor: pointer;
  transition: all 0.12s;
  animation: chipIn 0.2s ease backwards;
  -webkit-user-select: none; user-select: none;
}

@keyframes chipIn {
  from { transform: scale(0.5) translateY(4px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}

.pool-chip:active { background: rgba(208,64,64,0.18); border-color: var(--fumble); }

.chip-cnt {
  background: var(--orange);
  color: #fff;
  border-radius: 3px;
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.chip-x { font-size: 0.68rem; color: var(--text-dim); margin-left: 1px; }

.pool-clear {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  padding: 0.2rem 0.65rem;
  cursor: pointer;
  transition: all 0.12s;
}

.pool-clear:active { border-color: var(--fumble); color: var(--fumble); }

/* ══════════════ MODIFIER ══════════════ */
.mod-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.mod-row .card-label { margin-bottom: 0; flex: 1; }

.sign-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-mid);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.12s;
  -webkit-user-select: none; user-select: none;
}

.sign-btn.neg { color: #d07070; border-color: #5a2020; }
.sign-btn:active { transform: scale(0.9); background: var(--surface); }

.ctrl-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.15rem;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.12s;
  -webkit-user-select: none; user-select: none;
}

.ctrl-btn:active { background: var(--orange-dim); border-color: var(--orange); transform: scale(0.92); }

.mod-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem; font-weight: 700;
  color: var(--text);
  min-width: 2.2rem;
  text-align: center;
}

/* ══════════════ DICE GRID ══════════════ */
.dice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
}

.die-btn {
  aspect-ratio: 1;
  min-height: 72px;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.18rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.14s, box-shadow 0.14s;
  -webkit-user-select: none; user-select: none;
  color: var(--text-mid);
  padding: 6px 4px 4px;
}

.die-btn:active {
  border-color: var(--orange);
  box-shadow: 0 0 16px var(--orange-glow);
  transform: scale(0.93);
  color: var(--orange);
}

.die-svg {
  width: 34px; height: 34px;
  display: block;
  flex-shrink: 0;
  transition: color 0.14s;
}

.die-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  transition: color 0.14s;
}

.die-badge {
  position: absolute;
  top: 4px; right: 5px;
  background: var(--orange);
  color: #fff;
  border-radius: 3px;
  min-width: 17px; height: 17px;
  font-size: 0.62rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  padding: 0 3px;
  animation: chipIn 0.18s ease backwards;
}

/* D100 spans two columns */
.die-btn.wide {
  grid-column: span 2;
  aspect-ratio: auto;
  flex-direction: row;
  gap: 0.55rem;
  min-height: 58px;
}

.die-btn.wide .die-svg { width: 28px; height: 28px; }

/* ══════════════ ROLL BUTTON ══════════════ */
.roll-btn {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(160deg, #c04a10 0%, #8c2e08 55%, #5a1c04 100%);
  border: 1.5px solid var(--orange);
  border-radius: var(--radius);
  color: #fff;
  font-family: 'Cinzel', serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: all 0.18s;
  box-shadow: 0 4px 24px rgba(140,46,8,0.5), inset 0 1px 0 rgba(255,180,100,0.12);
  -webkit-user-select: none; user-select: none;
  position: relative;
  overflow: hidden;
}

.roll-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,180,80,0.12), transparent);
  transition: left 0.45s;
}

.roll-btn:hover::before { left: 150%; }

.roll-btn:active {
  transform: scale(0.97);
  box-shadow: 0 2px 40px rgba(232,98,26,0.5);
}

.roll-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.roll-btn.rolling { animation: rollShake 0.45s ease; }

@keyframes rollShake {
  0%,100% { transform: rotate(0) scale(1); }
  18%     { transform: rotate(-3deg) scale(1.02); }
  36%     { transform: rotate(3.5deg) scale(1.02); }
  54%     { transform: rotate(-2deg) scale(1.01); }
  72%     { transform: rotate(2deg) scale(1.01); }
}

/* ══════════════ RESULT ══════════════ */
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1rem;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.result-card::after {
  content: '';
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 160px; height: 100px;
  background: radial-gradient(ellipse, rgba(232,98,26,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.res-placeholder {
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

/* ── Rolling animation ── */
.rolling-anim {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: spinDie 0.38s linear infinite;
  color: var(--orange);
}

@keyframes spinDie {
  0%   { transform: rotate(0deg) scale(1); }
  25%  { transform: rotate(90deg) scale(1.1); }
  50%  { transform: rotate(180deg) scale(1); }
  75%  { transform: rotate(270deg) scale(0.9); }
  100% { transform: rotate(360deg) scale(1); }
}

.rolling-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  animation: pulse 0.6s ease-in-out infinite alternate;
}

@keyframes pulse { from { opacity: 0.4; } to { opacity: 1; } }

/* ── Result content ── */
.res-formula {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.res-chips-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}

.res-chip {
  width: 40px; height: 40px;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  animation: chipIn 0.26s ease backwards;
}

.res-chip.crit   { border-color: var(--crit);   color: var(--crit);   box-shadow: 0 0 12px rgba(232,184,74,0.4); }
.res-chip.fumble { border-color: var(--fumble); color: #ff8888; }

.res-total {
  font-family: 'Cinzel', serif;
  font-size: 4.2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text);
  text-shadow: 0 0 30px var(--orange-glow);
  position: relative;
  z-index: 1;
}

.res-total.pop { animation: numPop 0.48s cubic-bezier(.17,.67,.3,1.35) backwards; }

@keyframes numPop {
  from { transform: scale(0.25) rotate(-8deg); opacity: 0; }
  60%  { transform: scale(1.12) rotate(1deg); }
  to   { transform: scale(1) rotate(0); opacity: 1; }
}

.res-breakdown {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.88rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* ══════════════ HISTORY ══════════════ */
.hist-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.hist-clear-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  transition: color 0.12s;
}

.hist-clear-btn:active { color: var(--fumble); }

.hist-scroll {
  max-height: 200px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.hist-scroll::-webkit-scrollbar { width: 3px; }
.hist-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.h-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.42rem 0;
  border-bottom: 1px solid rgba(56,56,62,0.55);
}

.h-row:last-child { border-bottom: none; }

.h-formula {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-mid);
  white-space: nowrap;
}

.h-dice {
  font-style: italic;
  font-size: 0.82rem;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.h-total {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem; font-weight: 700;
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}

.h-time {
  font-size: 0.68rem;
  color: var(--text-dim);
  opacity: 0.45;
  white-space: nowrap;
}

.hist-empty {
  font-style: italic;
  color: var(--text-dim);
  text-align: center;
  padding: 1.1rem 0;
  font-size: 0.9rem;
}

/* ══════════════ FOOTER ══════════════ */
footer {
  width: 100%; max-width: 480px;
  padding: 0.6rem 1rem 1.2rem;
  display: flex; align-items: center; gap: 0.8rem;
}

.f-line { flex: 1; height: 1px; background: var(--border); opacity: 0.5; }
.f-dot  { width: 5px; height: 5px; background: var(--orange-dim); transform: rotate(45deg); flex-shrink: 0; }