/* 
  CGPA to Percentage Calculator Styles 
  Author: AI Web Developer
*/

:root {
  --primary-color: #3f51b5;
  --primary-hover: #303f9f;
  --secondary-color: #f50057;
  --bg-color: #f5f7fa;
  --text-main: #2c3e50;
  --text-light: #546e7a;
  --border-color: #e0e6ed;
  --card-bg: #ffffff;
  --success-color: #4caf50;
  --error-color: #f44336;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --border-radius: 12px;
}

body.cgpa-page {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.cgpa-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Calculator Card */
.cgpa-calculator-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}
.cgpa-calculator-wrapper {
  max-width: 1200px;
  margin: 0 auto 50px auto;
}

.cgpa-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 30px;
  border: 1px solid var(--border-color);
}

.cgpa-card h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 25px;
  color: var(--primary-color);
  font-size: 1.5rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 16px;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.15);
}

.calc-buttons {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  flex: 1;
  text-align: center;
}

.btn:active {
  transform: translateY(1px);
}

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

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

.btn-secondary {
  background-color: #e0e0e0;
  color: #333;
}

.btn-secondary:hover {
  background-color: #bdbdbd;
}

/* Result Area */
.result-box {
  margin-top: 30px;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  display: none;
}

.result-box.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

.result-box.success {
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.result-box.error {
  background-color: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: var(--error-color);
}

.result-label {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.result-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--success-color);
  margin: 0;
}

/* Action Buttons (Copy, Share) */
.result-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}

.action-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-main);
  transition: all 0.2s;
}

.action-btn:hover {
  background-color: #f0f0f0;
}

.whatsapp-btn {
  color: #25D366;
  border-color: #25D366;
}
.whatsapp-btn:hover {
  background-color: #25D366;
  color: #fff;
}

.telegram-btn {
  color: #0088cc;
  border-color: #0088cc;
}
.telegram-btn:hover {
  background-color: #0088cc;
  color: #fff;
}

/* PHP Fallback Alert */
.alert {
  padding: 15px;
  border-radius: 6px;
  margin-top: 20px;
  text-align: center;
}
.alert-success {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(76, 175, 80, 0.3);
}
.alert-error {
  background-color: rgba(244, 67, 54, 0.1);
  color: var(--error-color);
  border: 1px solid rgba(244, 67, 54, 0.3);
}

/* Content Area */
.cgpa-content {
  background: #fff;
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 50px;
}

.cgpa-content h1 {
  color: var(--primary-color);
  margin-top: 0;
  font-size: 2.2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
}

.cgpa-content h2, .cgpa-content h3 {
  color: var(--text-main);
  margin-top: 30px;
}

.cgpa-content p {
  margin-bottom: 15px;
  font-size: 16px;
}

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
}

.data-table th, .data-table td {
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  text-align: center;
}

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

.data-table tr:nth-child(even) {
  background-color: #f9f9f9;
}

/* FAQ Section */
.faq-item {
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  background-color: #f9f9f9;
  padding: 15px 20px;
  margin: 0;
  font-weight: 300;
  cursor: pointer;
  position: relative;
}

.faq-answer {
  padding: 20px;
  background-color: #fff;
  border-top: 1px solid var(--border-color);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* Floating Back to Home */
.floating-home {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--primary-color);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  text-decoration: none;
  font-size: 24px;
  transition: transform 0.3s;
  z-index: 1000;
}

.floating-home:hover {
  transform: scale(1.1);
  color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
  .cgpa-content {
    padding: 25px 15px;
  }
  
  .cgpa-card {
    padding: 20px;
  }
  
  .calc-buttons {
    flex-direction: column;
  }
  
  .result-value {
    font-size: 2rem;
  }
}