.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 70px);
}

.dashboard-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.dashboard-content {
    flex: 1;
    padding: 2rem;
    max-width: calc(100vw - 260px);
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dashboard-actions {
    display: flex;
    gap: 0.75rem;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-card);
    box-shadow:
        6px 6px 12px var(--shadow-dark),
        -6px -6px 12px var(--shadow-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    color: var(--primary);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.public-header {
    background: var(--bg-card);
    box-shadow:
        0 5px 10px var(--shadow-dark);
    position: sticky;
    top: 0;
    z-index: 100;
}

.public-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.public-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.public-links {
    display: flex;
    gap: 0.5rem;
}

.public-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-weight: 500;
}

.public-links a:hover {
    color: var(--primary);
    box-shadow:
        inset 3px 3px 6px var(--shadow-dark),
        inset -3px -3px 6px var(--shadow-light);
}

.hero-section {
    background: var(--bg-primary);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.features-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.activity-feed {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--shadow-dark);
}

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

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.profile-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.profile-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
}

.schedule-day-header {
    text-align: center;
    font-weight: 600;
    padding: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.schedule-slot {
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    background: var(--bg-card);
    box-shadow:
        2px 2px 4px var(--shadow-dark),
        -2px -2px 4px var(--shadow-light);
    min-height: 80px;
}

.schedule-slot .course-name {
    font-weight: 600;
    font-size: 0.85rem;
}

.schedule-slot .course-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.schedule-slot .course-room {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.notification-badge {
    position: relative;
}

.notification-badge::after {
    content: attr(data-count);
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.search-box {
    position: relative;
}

.search-box .neo-input {
    padding-left: 2.5rem;
}

.search-box .search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.file-dropzone {
    border: 2px dashed var(--shadow-dark);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-dropzone:hover {
    border-color: var(--primary);
    background: rgba(91, 106, 191, 0.05);
}

@media (max-width: 768px) {
    .dashboard-sidebar {
        width: 100%;
        height: auto;
        position: static;
    }
    .dashboard-content {
        max-width: 100%;
        padding: 1rem;
    }
    .dashboard-layout {
        flex-direction: column;
    }
    .schedule-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: 1.75rem;
    }
    .public-links {
        display: none;
    }
}