/* Plugin: calc — calculatrice flottante style Windows Calc (mode Standard) */

.calc-float-window {
  position: fixed;
  display: flex;
  flex-direction: column;
  background: rgba(8, 14, 28, 0.96);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.55),
    0 0 24px rgba(88, 200, 255, 0.18);
  overflow: hidden;
  font-family: var(--font-ui);
  color: var(--fg);
  animation: calc-win-in 0.22s ease-out;
}
@keyframes calc-win-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; } }
.calc-float-window.calc-maximized { border-radius: 0; box-shadow: none; }

.calc-float-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 32px;
  padding: 0 12px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  cursor: grab;
  user-select: none;
  flex-shrink: 0;
}
.calc-float-titlebar:active { cursor: grabbing; }
.calc-float-titlebar-left { display: flex; align-items: center; gap: 8px; }
.calc-float-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.calc-float-mode {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding-right: 4px;
}

.calc-float-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 10px;
  box-sizing: border-box;
}
.calc-float-window.calc-maximized .ec-resize { display: none; }

.calc-root {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  gap: 8px;
  outline: none;
}

/* Head : indicateur mémoire + expression */
.calc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 18px;
  padding: 0 4px;
  font-family: var(--font-mono);
}
.calc-mem-indicator {
  font-size: 10px;
  letter-spacing: 0.12em;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  color: rgba(255,255,255,0.20);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.06);
  transition: color .15s ease, background .15s ease, border-color .15s ease;
}
.calc-mem-indicator.calc-mem-active {
  color: var(--esh-accent, #58c8ff);
  background: rgba(88,200,255,0.10);
  border-color: rgba(88,200,255,0.30);
}
.calc-expression {
  flex: 1;
  text-align: right;
  font-size: 12px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: 8px;
  min-height: 14px;
}

/* Display principal — grand chiffre à droite */
.calc-display {
  flex-shrink: 0;
  min-height: 56px;
  padding: 6px 8px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 300;
  text-align: right;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
  letter-spacing: 0.01em;
  outline: none;
  user-select: text;
  cursor: text;
}
.calc-display.calc-error {
  color: #ff7a7a;
  font-size: 22px;
}

/* Pad de boutons */
.calc-pad {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  min-height: 0;
}
.calc-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 18px;
  font-weight: 400;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  transition: background .12s ease, border-color .12s ease, color .12s ease, transform .06s ease;
  padding: 0;
}
.calc-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
}
.calc-btn:active { transform: scale(0.97); }
.calc-btn:focus { outline: none; border-color: rgba(88,200,255,0.40); }

/* Boutons mémoire — petit, dim */
.calc-btn-mem {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  background: rgba(255,255,255,0.025);
}
.calc-btn-mem:hover {
  color: var(--esh-accent, #58c8ff);
  background: rgba(88,200,255,0.08);
  border-color: rgba(88,200,255,0.22);
}

/* Boutons fonctions (CE, C, %, ⌫, 1/x, x², √x, ±) */
.calc-btn-fn {
  background: rgba(255,255,255,0.025);
  color: var(--fg-dim);
  font-size: 14px;
}
.calc-btn-fn:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.06);
}

/* Boutons opérations (+ - × ÷) — accent léger */
.calc-btn-op {
  background: rgba(88,200,255,0.06);
  border-color: rgba(88,200,255,0.14);
  color: var(--esh-accent, #58c8ff);
  font-size: 20px;
  font-family: var(--font-mono);
}
.calc-btn-op:hover {
  background: rgba(88,200,255,0.14);
  border-color: rgba(88,200,255,0.32);
}

/* Bouton = — accent fort */
.calc-btn-eq {
  background: var(--esh-accent, #58c8ff);
  color: rgba(8, 14, 28, 1);
  border-color: rgba(88,200,255,0.50);
  font-weight: 500;
  font-size: 22px;
}
.calc-btn-eq:hover {
  background: #76d2ff;
  color: rgba(8, 14, 28, 1);
}