/* ======================================= */
/* PYTHAGORAS CALCULATOR                   */
/* ======================================= */

.pythagoras-calculator-card {
  max-width: 100%;
  margin: 0 auto;
  padding: 35px;
  background: linear-gradient(
    145deg,
    var(--card-bg) 0%,
    var(--secondary-bg) 100%
  );
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  color: var(--text-color);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.pythagoras-calculator-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent-purple),
    var(--accent-blue),
    var(--accent-purple)
  );
  background-size: 200% 100%;
  animation: pythagorasGradientShift 3s ease infinite;
}

@keyframes pythagorasGradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.pythagoras-calculator-card h1 {
  color: var(--text-primary);
  font-size: 2rem;
  margin-bottom: 8px;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.pythagoras-calculator-card-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 25px;
  font-weight: 400;
}

/* Mode selector */
.pythagoras-calculator-card-selector {
  display: flex;
  gap: 0;
  margin-bottom: 25px;
  background: var(--overlay-dark);
  border-radius: 12px;
  padding: 4px;
  border: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-mode-btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.pythagoras-calculator-card-mode-btn:hover {
  color: var(--text-primary);
  background: var(--overlay-medium);
}

.pythagoras-calculator-card-mode-btn.active {
  background: linear-gradient(
    135deg,
    var(--accent-purple) 0%,
    var(--accent-purple-dark) 100%
  );
  color: white;
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

/* Layout */
.pythagoras-calculator-card-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.pythagoras-calculator-card-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Inputs */
.pythagoras-calculator-card-inputs {
  background: var(--overlay-medium);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-input-group {
  margin-bottom: 20px;
}

.pythagoras-calculator-card-input-group:last-child {
  margin-bottom: 0;
}

.pythagoras-calculator-card-input-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--accent-purple);
  font-size: 0.95rem;
}

/* Input wrapper with arrow controls - matching volume converter */
.pythagoras-calculator-card-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--overlay-dark);
  border: 2px solid var(--border-dark);
  border-radius: 12px;
  overflow: hidden;
  height: 56px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.pythagoras-calculator-card-input-wrapper:focus-within {
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(147, 51, 234, 0.2);
}

.pythagoras-calculator-card-input-group input[type="number"] {
  flex-grow: 1;
  border: none;
  background: transparent;
  text-align: center;
  font-size: 1.1rem;
  padding: 0 15px;
  height: 100%;
  color: var(--text-primary);
  font-weight: 600;
  box-sizing: border-box;
}

.pythagoras-calculator-card-input-group input[type="number"]:focus {
  outline: none;
}

.pythagoras-calculator-card-input-group input[type="number"]::-webkit-inner-spin-button,
.pythagoras-calculator-card-input-group input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.pythagoras-calculator-card-input-group input[type="number"] {
  -moz-appearance: textfield;
}

.pythagoras-calculator-card-input-group input[type="number"]::placeholder {
  color: var(--text-secondary);
  opacity: 0.5;
}

/* Arrow controls - matching volume converter exactly */
.pythagoras-calculator-card-arrow-controls {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-left: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-arrow-btn {
  flex: 1;
  width: 50px;
  background: var(--overlay-medium);
  color: var(--text-primary);
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.pythagoras-calculator-card-arrow-btn.up {
  border-bottom: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-arrow-btn:hover {
  background: var(--accent-purple);
  color: white;
}

.pythagoras-calculator-card-arrow-btn:active {
  transform: scale(0.95);
}

/* Actions */
.pythagoras-calculator-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pythagoras-calculator-card-btn {
  padding: 14px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.pythagoras-calculator-card-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.pythagoras-calculator-card-btn:hover::before {
  width: 400px;
  height: 400px;
}

.pythagoras-calculator-card-btn-icon {
  font-size: 1.1rem;
}

.pythagoras-calculator-card-btn-primary {
  background: linear-gradient(
    135deg,
    var(--accent-purple) 0%,
    var(--accent-purple-dark) 100%
  );
  color: white;
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

.pythagoras-calculator-card-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(147, 51, 234, 0.6);
}

.pythagoras-calculator-card-btn-primary:active {
  transform: translateY(0);
}

.pythagoras-calculator-card-btn-secondary {
  background: linear-gradient(
    135deg,
    var(--button-reset-bg) 0%,
    var(--button-reset-hover) 100%
  );
  color: white;
  box-shadow: 0 4px 15px rgba(108, 117, 125, 0.4);
}

.pythagoras-calculator-card-btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108, 117, 125, 0.6);
}

/* Error */
.pythagoras-calculator-card-error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  display: none;
  animation: pythagorasShake 0.5s;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.pythagoras-calculator-card-error.show {
  display: block;
}

@keyframes pythagorasShake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(10px);
  }
}

/* Result */
.pythagoras-calculator-card-result {
  background: linear-gradient(135deg, var(--accent-purple) 0%, #764ba2 100%);
  color: white;
  padding: 24px;
  border-radius: 12px;
  display: none;
  animation: pythagorasFadeIn 0.5s ease-out;
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

.pythagoras-calculator-card-result.show {
  display: block;
}

.pythagoras-calculator-card-result h3 {
  margin: 0 0 12px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.pythagoras-calculator-card-result-value {
  font-size: 2rem;
  font-weight: 700;
  margin: 12px 0;
  font-family: "Courier New", monospace;
}

.pythagoras-calculator-card-result p {
  font-size: 0.95rem;
  opacity: 0.9;
  margin: 0;
}

@keyframes pythagorasFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Formula */
.pythagoras-calculator-card-formula {
  background: var(--overlay-dark);
  padding: 18px;
  border-radius: 12px;
  border: 1px solid var(--border-dark);
  border-left: 4px solid var(--accent-purple);
}

.pythagoras-calculator-card-formula h3 {
  color: var(--accent-purple);
  margin: 0 0 12px 0;
  font-size: 1rem;
  font-weight: 600;
}

.pythagoras-calculator-card-formula-display {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-purple);
  text-align: center;
  margin: 12px 0;
  font-family: "Courier New", monospace;
}

.pythagoras-calculator-card-formula-text {
  text-align: center;
  color: var(--text-secondary);
  margin: 12px 0 0 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Examples */
.pythagoras-calculator-card-examples {
  background: var(--overlay-dark);
  padding: 18px;
  border-radius: 12px;
  border: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-examples h3 {
  color: var(--accent-purple);
  margin: 0 0 12px 0;
  font-size: 1rem;
  font-weight: 600;
}

.pythagoras-calculator-card-examples-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.pythagoras-calculator-card-example-btn {
  background: var(--overlay-medium);
  border: 2px solid var(--border-color);
  color: var(--text-color);
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 0.9rem;
}

.pythagoras-calculator-card-example-btn:hover {
  background: var(--accent-purple);
  color: white;
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.4);
}

/* Visualization */
.pythagoras-calculator-card-visualization {
  background: var(--overlay-medium);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--border-dark);
}

.pythagoras-calculator-card-visualization h3 {
  color: var(--accent-purple);
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
}

.pythagoras-calculator-card-canvas-container {
  background: linear-gradient(135deg, #1a1f2e 0%, #2d3548 100%);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.pythagoras-calculator-card-canvas-container canvas {
  max-width: 100%;
  border-radius: 8px;
}

/* Stats */
.pythagoras-calculator-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.pythagoras-calculator-card-stat-item {
  background: var(--overlay-dark);
  padding: 16px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--border-dark);
  transition: all 0.3s ease;
}

.pythagoras-calculator-card-stat-item:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.pythagoras-calculator-card-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.pythagoras-calculator-card-stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-purple);
  font-family: "Courier New", monospace;
}

/* Info box */
.pythagoras-calculator-card-info {
  background: rgba(33, 150, 243, 0.1);
  border-left: 4px solid #2196f3;
  padding: 18px;
  border-radius: 12px;
  border: 1px solid rgba(33, 150, 243, 0.2);
}

.pythagoras-calculator-card-info h3 {
  color: #2196f3;
  margin: 0 0 12px 0;
  font-size: 1rem;
  font-weight: 600;
}

.pythagoras-calculator-card-info p {
  color: var(--text-color);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 10px 0;
}

.pythagoras-calculator-card-info p:last-child {
  margin-bottom: 0;
}

/* Responsive */
@media (max-width: 968px) {
  .pythagoras-calculator-card-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .pythagoras-calculator-card {
    padding: 20px 12px;
    border-radius: 16px;
  }

  .pythagoras-calculator-card h1 {
    font-size: 1.5rem;
  }

  .pythagoras-calculator-card-subtitle {
    font-size: 0.85rem;
    margin-bottom: 20px;
  }

  .pythagoras-calculator-card-selector {
    flex-direction: column;
    gap: 0;
  }

  .pythagoras-calculator-card-mode-btn {
    font-size: 0.85rem;
    padding: 12px 16px;
  }

  .pythagoras-calculator-card-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .pythagoras-calculator-card-btn {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .pythagoras-calculator-card-result-value {
    font-size: 1.6rem;
  }

  .pythagoras-calculator-card-canvas-container {
    min-height: 300px;
    padding: 15px;
  }

  .pythagoras-calculator-card-stats {
    grid-template-columns: 1fr;
  }

  .pythagoras-calculator-card-examples-grid {
    grid-template-columns: 1fr;
  }

  .pythagoras-calculator-card-input-wrapper {
    height: 50px;
  }

  .pythagoras-calculator-card-arrow-btn {
    width: 45px;
    font-size: 1.2rem;
  }
}

@media (max-width: 375px) {
  .pythagoras-calculator-card {
    padding: 16px 10px;
  }

  .pythagoras-calculator-card h1 {
    font-size: 1.3rem;
  }

  .pythagoras-calculator-card-subtitle {
    font-size: 0.8rem;
  }

  .pythagoras-calculator-card-result-value {
    font-size: 1.4rem;
  }
}