/* Dashboard Styles */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.dashboard-card-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
}

.dashboard-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.dashboard-card-icon.rank {
    background-color: rgba(255, 193, 7, 0.2);
    color: #FFC107;
}

.dashboard-card-icon.assignment {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.dashboard-card-icon.account {
    background-color: rgba(33, 150, 243, 0.2);
    color: var(--primary);
}

.dashboard-card-icon.paper {
    background-color: rgba(156, 39, 176, 0.2);
    color: #9C27B0;
}

.rank-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rank-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

.rank-item.all-island {
    border-left-color: #FFC107;
}

.rank-item.class-rank {
    border-left-color: var(--primary);
}

.rank-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.rank-paper {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.assignment-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.assignment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.assignment-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.assignment-info {
    flex: 1;
}

.assignment-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.assignment-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.assignment-score {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--success);
}

.no-assignments {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.no-assignments i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.account-summary {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.account-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.account-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.account-info-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.account-info-value {
    font-weight: 600;
    font-size: 0.95rem;
}

.qr-code-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.qr-code {
    width: 150px;
    height: 150px;
    background-color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

.qr-code-placeholder {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-align: center;
}

.qr-code-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.papers-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.paper-card-small {
    background-color: var(--bg-primary);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.paper-card-small:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.paper-card-header-small {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.paper-card-title-small {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.paper-card-subject-small {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.paper-card-number-small {
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.paper-card-details-small {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.paper-card-action-small {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.8rem;
}

.paper-status-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.status-active {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--success);
}

.status-scheduled {
    background-color: rgba(255, 152, 0, 0.2);
    color: var(--warning);
}

.status-closed {
    background-color: rgba(158, 158, 158, 0.2);
    color: var(--text-secondary);
}

.dashboard-section-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Loading states */
.dashboard-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.dashboard-loading .spinner {
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
}

/* Empty states */
.dashboard-empty {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.dashboard-empty i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Responsive styles */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .dashboard-card {
        padding: 1rem;
    }
    
    .account-info-grid {
        grid-template-columns: 1fr;
    }
    
    .papers-grid-small {
        grid-template-columns: 1fr;
    }
    
    .rank-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .assignment-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .assignment-score {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .dashboard-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .paper-card-header-small {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .paper-card-number-small {
        align-self: flex-start;
    }
}