/* cgpa-style.css */

/* Core Variables & Reset */
:root {
  --primary-color: #0d6efd; /* Blue theme */
  --primary-hover: #0b5ed7;
  --success-color: #198754; /* Green background for result */
  --success-bg: #d1e7dd;
  --success-text: #0f5132;
  --text-main: #333333;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #dee2e6;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s ease;
}

.cgpa-wrapper {
  font-family: var(--font-family);
  color: var(--text-main);
  line-height: 1.6;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.cgpa-wrapper *, .cgpa-wrapper *::before, .cgpa-wrapper *::after {
  box-sizing: border-box;
}

/* Typography */
.cgpa-wrapper h1, .cgpa-wrapper h2, .cgpa-wrapper h3, .cgpa-wrapper h4 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 15px;
  font-weight: 700;
}

.cgpa-wrapper h1 { font-size: 2.5rem; text-align: center; }
.cgpa-wrapper h2 { font-size: 2rem; margin-top: 40px; border-bottom: 2px solid var(--primary-color); padding-bottom: 10px;}
.cgpa-wrapper h3 { font-size: 1.5rem; }
.cgpa-wrapper p { margin-bottom: 1.5rem; }

.cgpa-header-desc {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Calculator Card */
.cgpa-calculator-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 30px;
  max-width: 600px;
  margin: 0 auto 50px auto;
  border: 1px solid var(--border-color);
}

.cgpa-form-group {
  margin-bottom: 20px;
}

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

/* Inputs & Selects */
.cgpa-input, .cgpa-select {
  width: 100%;
  padding: 12px 15px;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
}

.cgpa-input:focus, .cgpa-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

/* Dynamic Rows (GPA Calculator) */
.gpa-subject-row {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  align-items: center;
}
.gpa-subject-row input {
    flex: 1;
}
.gpa-remove-btn {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}
.gpa-remove-btn:hover { background: #b02a37; }

/* Buttons */
.cgpa-btn-group {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

.cgpa-btn {
  padding: 12px 25px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  flex: 2;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

.btn-secondary {
  background-color: var(--bg-light);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  flex: 1;
}
.btn-secondary:hover {
  background-color: #e2e6ea;
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  width: 100%;
  margin-top: 10px;
}
.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* Result Section */
.cgpa-result-box {
  margin-top: 30px;
  padding: 20px;
  background-color: var(--success-bg);
  color: var(--success-text);
  border: 1px solid #badbcc;
  border-radius: var(--radius-md);
  text-align: center;
  display: none; /* Hidden by default */
  animation: fadeIn 0.5s ease;
}

.cgpa-result-box h3 {
  color: var(--success-text);
  margin-top: 0;
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(15, 81, 50, 0.2);
  padding-bottom: 10px;
}

.cgpa-result-item {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.cgpa-result-item span {
    font-weight: 700;
    font-size: 1.2rem;
}

/* Tables */
.cgpa-table-container {
  overflow-x: auto;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.cgpa-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
}

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

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

.cgpa-table tr:nth-child(even) {
  background-color: var(--bg-light);
}

.cgpa-table tr:hover {
  background-color: #f1f8ff;
}

/* Content Sections */
.cgpa-content-section {
  background: var(--bg-white);
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.cgpa-tips-list {
  padding-left: 20px;
}
.cgpa-tips-list li {
  margin-bottom: 10px;
}

/* FAQ Section */
.cgpa-faq-item {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.cgpa-faq-item:last-child {
  border-bottom: none;
}

.cgpa-faq-question {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 10px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cgpa-faq-answer {
  color: var(--text-main);
  /* Hidden by default, toggled via JS if making accordion, but simple text is fine too */
}

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

/* Responsive */
@media (max-width: 768px) {
  .cgpa-wrapper h1 { font-size: 2rem; }
  .cgpa-calculator-card { padding: 20px; }
  .cgpa-btn-group { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; }
  
  .gpa-subject-row {
      flex-direction: column;
      align-items: stretch;
      background: var(--bg-light);
      padding: 15px;
      border-radius: var(--radius-md);
  }
}