/* Golf Tools Common Styles */

:root {
  --primary-color: #2e7d32;
  --primary-dark: #1b5e20;
  --primary-light: #4caf50;
  --accent-color: #ff9800;
  --text-dark: #212121;
  --text-light: #757575;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --error-color: #f44336;
  --border-radius: 8px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
}

.golf-tools-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.golf-tools-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 30px 20px;
  text-align: center;
  margin-bottom: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.golf-tools-header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.golf-tools-header p {
  font-size: 1rem;
  opacity: 0.9;
}

/* Tool Card */
.tool-card {
  background: var(--bg-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: 25px;
  margin-bottom: 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tool-card h2 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 1.5rem;
}

/* Input Groups */
.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-dark);
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

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

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

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--bg-light);
  color: var(--text-dark);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-accent {
  background-color: var(--accent-color);
  color: white;
}

.btn-accent:hover {
  background-color: #f57c00;
}

.btn-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 15px 0;
}

.btn-preset {
  padding: 10px 15px;
  background-color: var(--bg-white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-preset:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Result Display */
.result-display {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  color: white;
  padding: 25px;
  border-radius: var(--border-radius);
  margin-top: 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.result-display h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  opacity: 0.9;
}

.result-value {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 10px 0;
}

.result-unit {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--bg-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table th,
.data-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: var(--primary-color);
  color: white;
  font-weight: 600;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover {
  background-color: var(--bg-light);
}

/* Tokti Golf App CTA Banner */
.app-cta-banner {
  background: linear-gradient(135deg, #1a237e, #283593);
  color: white;
  padding: 25px;
  border-radius: var(--border-radius);
  margin: 30px 0;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-md);
}

.app-cta-icon {
  font-size: 3rem;
}

.app-cta-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.app-cta-content p {
  margin-bottom: 15px;
  opacity: 0.9;
}

.btn-app-cta {
  background-color: #ff6f00;
  color: white;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-block;
  font-weight: 500;
  transition: background-color 0.3s;
}

.btn-app-cta:hover {
  background-color: #e65100;
}

/* Language Switcher */
.language-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.language-switcher select {
  padding: 8px 12px;
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  background-color: white;
  cursor: pointer;
  font-size: 0.9rem;
}

/* Alert Messages */
.alert {
  padding: 15px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
}

.alert-success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid var(--success-color);
}

.alert-error {
  background-color: #ffebee;
  color: #c62828;
  border-left: 4px solid var(--error-color);
}

.alert-info {
  background-color: #e3f2fd;
  color: #1565c0;
  border-left: 4px solid #2196f3;
}

/* Copy Button */
.copy-btn {
  background-color: var(--bg-light);
  color: var(--text-dark);
  border: 2px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 10px;
}

.copy-btn:hover {
  background-color: var(--border-color);
}

.copy-btn.copied {
  background-color: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

/* Loading Spinner */
.spinner {
  border: 3px solid var(--bg-light);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .golf-tools-container {
    padding: 15px;
  }

  .golf-tools-header h1 {
    font-size: 1.5rem;
  }

  .tool-card {
    padding: 20px;
  }

  .result-value {
    font-size: 2rem;
  }

  .app-cta-banner {
    flex-direction: column;
    text-align: center;
  }

  .language-switcher {
    top: 10px;
    right: 10px;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* Print Styles */
@media print {
  .language-switcher,
  .app-cta-banner,
  .btn {
    display: none;
  }

  .tool-card {
    box-shadow: none;
    border: 1px solid var(--border-color);
  }
}