/* Complete CGPA Styles - Add to your style.css */

/* CGPA Card */
.cgpa-card {
    background: var(--card-bg);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.cgpa-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* Add Semester Button */
.btn-add-semester {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white !important;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-add-semester:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* Semester Card */
.semester-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

[data-theme="light"] .semester-card {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

[data-theme="dark"] .semester-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.semester-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.semester-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.semester-title i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.btn-remove-semester {
    background: #ef4444;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-remove-semester:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* Courses Container */
.courses-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Course Row */
.course-row {
    display: grid;
    grid-template-columns: 2fr 0.8fr 1.2fr auto;
    gap: 1rem;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 14px;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .course-row {
    background: #f8fafc;
    border-color: #e2e8f0;
}

[data-theme="dark"] .course-row {
    background: #0f172a;
    border-color: #334155;
}

.course-row:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Inputs and Selects */
.course-row input, 
.course-row select {
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
}

[data-theme="light"] .course-row input,
[data-theme="light"] .course-row select {
    background: #ffffff;
    color: #1e293b;
    border-color: #cbd5e1;
}

[data-theme="dark"] .course-row input,
[data-theme="dark"] .course-row select {
    background: #1e293b;
    color: #f1f5f9;
    border-color: #475569;
}

.course-row input:focus,
.course-row select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.course-row input::placeholder {
    color: #94a3b8;
}

[data-theme="dark"] .course-row input::placeholder {
    color: #64748b;
}

/* Remove Course Button */
.btn-remove-course {
    background: #ef4444;
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-course:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* Add Course Button - FIXED: Always visible */
.btn-add-course {
    background: var(--primary-color);
    color: white !important;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
    width: 100%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-add-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-add-course:active {
    transform: translateY(0);
}

/* Result Card */
.result-card {
    margin-top: 1.5rem;
    padding: 1.8rem;
    border-radius: 24px;
    text-align: center;
    color: white;
    animation: slideUp 0.4s ease;
}

.result-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.result-card .cgpa-value {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
    letter-spacing: -0.02em;
}

.result-card .total-info {
    font-size: 0.9rem;
    opacity: 0.95;
    margin-top: 0.5rem;
}

/* Grade Scale Reference Card */
.grade-scale-reference {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 1.5rem;
    margin-top: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

[data-theme="light"] .grade-scale-reference {
    background: #ffffff;
    border-color: #e2e8f0;
}

[data-theme="dark"] .grade-scale-reference {
    background: #1e293b;
    border-color: #334155;
}

.reference-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.reference-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.reference-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.uni-grade-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 12px;
    overflow: hidden;
}

.uni-grade-table th,
.uni-grade-table td {
    padding: 0.8rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .uni-grade-table th {
    background: #f1f5f9;
    color: #1e293b;
}

[data-theme="dark"] .uni-grade-table th {
    background: #0f172a;
    color: #f1f5f9;
}

[data-theme="light"] .uni-grade-table td {
    background: #ffffff;
    color: #334155;
}

[data-theme="dark"] .uni-grade-table td {
    background: #1e293b;
    color: #cbd5e1;
}

.uni-grade-table .success-text {
    color: #10b981;
    font-weight: 600;
}

.uni-grade-table .good-text {
    color: #3b82f6;
    font-weight: 600;
}

.uni-grade-table .danger-text {
    color: #ef4444;
    font-weight: 600;
}

.uni-grade-table .fail-row td {
    background: rgba(239, 68, 68, 0.1);
}

.reference-note {
    margin-top: 1rem;
    padding: 0.8rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .course-row {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
    
    .btn-remove-course {
        width: 100%;
        height: 40px;
    }
    
    .semester-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .btn-remove-semester {
        width: 100%;
        justify-content: center;
    }
    
    .cgpa-value {
        font-size: 2.5rem !important;
    }
    
    .btn-add-semester {
        width: 100%;
        justify-content: center;
    }
    
    .card-header {
        flex-direction: column;
    }
    
    .uni-grade-table th,
    .uni-grade-table td {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .reference-header h3 {
        font-size: 1rem;
    }
    
    .reference-note {
        font-size: 0.7rem;
        flex-wrap: wrap;
    }
}

/* Tablet Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
    .course-row {
        grid-template-columns: 1.5fr 0.8fr 1.2fr auto;
        gap: 0.8rem;
    }
    
    .uni-grade-table th,
    .uni-grade-table td {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fix for Add Course Button in Dark Mode */
.btn-add-course {
    background: var(--primary-color);
    color: white !important;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
    width: 100%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

/* Force white text in both themes */
.btn-add-course,
.btn-add-course i,
.btn-add-course span,
.btn-add-course * {
    color: white !important;
}

/* Dark mode specific override */
[data-theme="dark"] .btn-add-course,
[data-theme="dark"] .btn-add-course i,
[data-theme="dark"] .btn-add-course span,
[data-theme="dark"] .btn-add-course * {
    color: white !important;
}

/* Make button background brighter in dark mode */
[data-theme="dark"] .btn-add-course {
    background: linear-gradient(135deg, #818cf8 0%, #6366f1 100%) !important;
}

/* Light mode button background */
[data-theme="light"] .btn-add-course {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
}

.btn-add-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}