body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(120deg, #f7fafc 0%, #e0e7ff 100%);
    margin: 0;
    color: #222;
}
.header {
    background: #fff;
    box-shadow: 0 4px 16px rgba(76,70,229,0.08);
    position: sticky;
    top: 0;
    z-index: 50;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 40px;
}
.logo {
    font-size: 2.2rem;
    font-weight: bold;
    color: #4f46e5;
    letter-spacing: 1px;
}
.nav-links {
    display: flex;
    gap: 12px;
}
.nav-links a {
    color: #555;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 6px rgba(76,70,229,0.04);
}
.nav-links a:hover {
    background: #4f46e5;
    color: #fff;
    box-shadow: 0 4px 12px rgba(76,70,229,0.12);
}
.login-btn {
    background: linear-gradient(90deg, #4f46e5 0%, #764ba2 100%);
    color: #fff !important;
    margin-left: 16px;
    padding: 10px 28px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 16px rgba(76,70,229,0.12);
    transition: background 0.2s, box-shadow 0.2s;
}
.login-btn:hover {
    background: linear-gradient(90deg, #3730a3 0%, #4f46e5 100%);
    box-shadow: 0 8px 24px rgba(76,70,229,0.18);
}
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 0;
}
.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 32px 56px 32px;
    text-align: center;
}
.hero-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(76,70,229,0.12);
}
.hero-content p {
    font-size: 1.25rem;
    color: #e0e7ff;
    margin-bottom: 40px;
}
.cta-btn {
    background: linear-gradient(90deg, #fff 0%, #e0e7ff 100%);
    color: #4f46e5;
    font-weight: bold;
    padding: 18px 48px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 1.15rem;
    box-shadow: 0 4px 16px rgba(76,70,229,0.08);
    transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}
.cta-btn:hover {
    background: #e0e7ff;
    color: #3730a3;
    transform: scale(1.07);
    box-shadow: 0 8px 32px rgba(76,70,229,0.16);
}
.features-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 32px;
}
.features-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    color: #222;
    margin-bottom: 40px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 40px;
}
@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
.feature-box {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(76,70,229,0.08);
    padding: 40px 20px;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}
.feature-box:hover {
    box-shadow: 0 8px 32px rgba(76,70,229,0.16);
    transform: translateY(-4px) scale(1.03);
}
.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    width: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    color: #4f46e5;
    margin: 0 auto 20px auto;
}
.icon {
    width: 36px;
    height: 36px;
}
.feature-box h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 12px;
}
.feature-box p {
    color: #555;
    font-size: 1.05rem;
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 56px 32px;
}
.footer-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
@media (min-width: 768px) {
    .footer-row {
        flex-direction: row;
    }
}
.footer-links {
    display: flex;
    gap: 16px;
}
.footer-links a {
    color: #bbb;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: #fff;
}

/* Dashboard Specific Styles */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
    background: transparent;
}

.welcome-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 32px;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.welcome-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.welcome-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.quick-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stat-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 140px;
}

.stat-icon {
    font-size: 2rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.dashboard-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(76,70,229,0.08);
    padding: 24px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.dashboard-card:hover {
    box-shadow: 0 8px 32px rgba(76,70,229,0.12);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e0e7ff;
}

.card-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #222;
    margin: 0;
}

.add-btn {
    background: #4f46e5;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.add-btn:hover {
    background: #3730a3;
}

.course-item, .assignment-item, .schedule-item, .activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid #f3f4f6;
}

.course-item:last-child, .assignment-item:last-child, .schedule-item:last-child, .activity-item:last-child {
    border-bottom: none;
}

.course-info h4, .assignment-info h4, .study-info h4, .activity-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #222;
    margin: 0 0 4px 0;
}

.course-grade {
    background: #10b981;
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.course-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    margin-left: 20px;
}

.progress-bar {
    background: #e0e7ff;
    height: 8px;
    border-radius: 4px;
    flex: 1;
    position: relative;
    overflow: hidden;
}

.progress-bar.small {
    height: 6px;
}

.progress-fill {
    background: linear-gradient(90deg, #4f46e5 0%, #764ba2 100%);
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: #555;
    min-width: 40px;
}

.assignment-course {
    font-size: 0.85rem;
    color: #6b7280;
}

.due-date {
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

.due-date.urgent {
    background: #fee2e2;
    color: #dc2626;
}

.due-date.normal {
    background: #fef3c7;
    color: #d97706;
}

.gpa-display {
    text-align: center;
}

.current-gpa {
    margin-bottom: 20px;
}

.gpa-number {
    font-size: 3rem;
    font-weight: 700;
    color: #4f46e5;
}

.gpa-scale {
    font-size: 1.2rem;
    color: #6b7280;
}

.gpa-trend {
    color: #10b981;
    font-size: 0.9rem;
    font-weight: 500;
}

.goals-achievements {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.goals-section h4, .achievements-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 12px;
}

.goal-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f3f4f6;
}

.goal-text {
    flex: 1;
    font-size: 0.95rem;
    color: #555;
}

.goal-progress {
    width: 100px;
    margin-left: 16px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.achievement-icon {
    font-size: 1.2rem;
}

.achievement-text {
    font-size: 0.95rem;
    color: #555;
}

.time-slot {
    font-weight: 600;
    color: #4f46e5;
    min-width: 80px;
}

.study-duration {
    font-size: 0.85rem;
    color: #6b7280;
}

.complete-btn {
    background: #10b981;
    color: #fff;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.complete-btn:hover {
    background: #059669;
}

.complete-btn.completed {
    background: #6b7280;
}

.activity-icon {
    font-size: 1.5rem;
    margin-right: 8px;
}

.activity-role {
    font-size: 0.85rem;
    color: #4f46e5;
    font-weight: 500;
}

.activity-hours {
    font-size: 0.8rem;
    color: #6b7280;
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 16px;
    }
    
    .welcome-section {
        flex-direction: column;
        text-align: center;
    }
    
    .quick-stats {
        justify-content: center;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .course-progress {
        margin-left: 0;
        margin-top: 8px;
        flex-direction: column;
        align-items: stretch;
    }
}