/* ===================================
   PAYMENT PLAN ANALYSIS SYSTEM
   Dashboard-Specific Styles
   =================================== */

/* Metric Cards */
.metric-card {
    background: var(--gradient-metric);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
    opacity: 0;
}

.metric-card:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.metric-card:hover::before {
    opacity: 1;
    animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.metric-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    line-height: 1;
}

.metric-label {
    font-size: var(--font-size-base);
    opacity: 0.9;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Metric Card Variations */
.metric-card.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.metric-card.bg-success {
    background: var(--gradient-success);
}

.metric-card.bg-warning {
    background: var(--gradient-warning);
}

.metric-card.bg-danger {
    background: var(--gradient-danger);
}

.metric-card.bg-info {
    background: linear-gradient(135deg, var(--info-color), var(--info-light));
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    background: var(--gradient-subtle);
    position: relative;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, #f0f8ff, #e6f3ff);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-area.dragover {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #f0fff0, #e6ffe6);
    transform: scale(1.02);
}

.upload-area i {
    color: var(--medium-gray);
    transition: var(--transition-normal);
}

.upload-area:hover i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.upload-area.dragover i {
    color: var(--success-color);
    animation: bounce 0.6s ease-in-out infinite alternate;
}

@keyframes bounce {
    from { transform: translateY(0px) scale(1.1); }
    to { transform: translateY(-10px) scale(1.2); }
}

.upload-area h5 {
    color: var(--dark-gray);
    margin: var(--spacing-md) 0;
    font-weight: var(--font-weight-semibold);
}

.upload-area p {
    color: var(--medium-gray);
    margin: 0;
    font-size: var(--font-size-sm);
}

/* Progress Container */
.progress-container {
    margin: var(--spacing-lg) 0;
    display: none;
}

.progress-container.show {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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

.progress {
    height: 12px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--light-gray);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.progress-bar {
    background: linear-gradient(90deg, var(--secondary-color), var(--secondary-light));
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-striped {
    background-image: linear-gradient(45deg, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 0 0; }
    100% { background-position: 1rem 0; }
}

/* Chart Containers */
.chart-container {
    position: relative;
    height: 300px;
    margin: var(--spacing-md) 0;
}

.chart-container canvas {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

/* Quick Action Cards */
.quick-action-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    background: var(--white);
    border: 2px solid var(--light-gray);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
}

.quick-action-card:hover {
    border-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.quick-action-card i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.quick-action-card:hover i {
    transform: scale(1.1);
}

.quick-action-card .btn {
    border: none;
    background: transparent;
    color: var(--dark-gray);
    padding: var(--spacing-md);
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.quick-action-card .btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
}

/* Class Filter Buttons */
.class-filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.class-filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-pill);
    border: 2px solid var(--secondary-color);
    background: transparent;
    color: var(--secondary-color);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.class-filter-btn:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.class-filter-btn.active {
    background: var(--secondary-color);
    color: var(--white);
}

.class-filter-btn i {
    margin-right: var(--spacing-xs);
}

/* Critical Issues Section */
.critical-issues-container {
    max-height: 400px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.critical-issues-container::-webkit-scrollbar {
    width: 6px;
}

.critical-issues-container::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: var(--radius-sm);
}

.critical-issues-container::-webkit-scrollbar-thumb {
    background: var(--medium-gray);
    border-radius: var(--radius-sm);
}

.critical-issues-container::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gray);
}

.critical-issue-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--danger-color);
    background: var(--severity-critical);
    transition: var(--transition-normal);
}

.critical-issue-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.critical-issue-item h6 {
    color: var(--danger-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.critical-issue-item p {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.critical-issue-item small {
    color: var(--medium-gray);
    font-style: italic;
}

/* Key Insights Section */
.insight-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.insight-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.insight-item h6 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
}

.insight-item h6 i {
    margin-right: var(--spacing-sm);
}

.insight-item .progress {
    margin: var(--spacing-sm) 0;
}

.insight-item p {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.insight-item small {
    color: var(--medium-gray);
    font-size: var(--font-size-sm);
}

/* Dashboard Responsive Design */
@media (max-width: 992px) {
    .metric-value {
        font-size: var(--font-size-3xl);
    }
    
    .chart-container {
        height: 250px;
    }
    
    .quick-action-card {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .metric-card {
        margin-bottom: var(--spacing-md);
    }
    
    .metric-value {
        font-size: var(--font-size-2xl);
    }
    
    .upload-area {
        padding: var(--spacing-lg);
        min-height: 150px;
    }
    
    .class-filter-container {
        justify-content: center;
    }
    
    .chart-container {
        height: 200px;
    }
}

@media (max-width: 576px) {
    .metric-card {
        padding: var(--spacing-lg);
    }
    
    .upload-area h5 {
        font-size: var(--font-size-lg);
    }
    
    .upload-area i {
        font-size: var(--font-size-2xl);
    }
}