WebDev-Projects/calculator/style.css at main · ashutoshpalhare/WebDev-Projects · GitHub

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a, #312e81, #4c1d95);
  padding: 1rem;
}

.calculator {
  width: 100%;
  max-width: 340px;
  background: #1c1c1c;
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: slideIn 0.5s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.display {
  background: #2a2a2a;
  border-radius: 16px;
  padding: 1.5rem 1.25rem;
  margin-bottom: 1.25rem;
  text-align: right;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.previous {
  color: #888;
  font-size: 1rem;
  min-height: 1.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.current {
  color: #fff;
  font-size: 2.5rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.keys {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

.key {
  padding: 1rem;
  border: none;
  border-radius: 14px;
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  background: #333;
  color: #fff;
  transition: all 0.15s ease;
  font-family: inherit;
}

.key:hover { filter: brightness(1.3); transform: translateY(-2px); }
.key:active { transform: translateY(0) scale(0.95); }

.key.clear { background: #ef4444; }
.key.operator { background: #f59e0b; color: #1c1c1c; }
.key.equals { background: #10b981; }
.key.zero { grid-column: span 2; }

@media (max-width: 360px) {
  .calculator { padding: 1rem; }
  .key { padding: 0.85rem; font-size: 1.1rem; }
  .current { font-size: 2rem; }
}