/* Sidebar Revolution - Modern UX Design */

/* ============================================
   Progress Header (Sticky)
   ============================================ */
.sidebar-progress-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 1.25rem;
    border-bottom: 3px solid var(--primary-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

[data-theme="dark"] .sidebar-progress-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

/* Step Indicator Modern */
.step-indicator-modern {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    position: relative;
    padding: 0.5rem 0;
}

.step-item-modern {
    flex: 1;
    padding: 0.75rem 0.5rem;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    text-align: center;
    color: rgba(255,255,255,0.9);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    min-height: 60px;
    justify-content: center;
}

.step-item-modern:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.step-item-modern.active {
    background: rgba(255,255,255,0.25);
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.step-item-modern.completed {
    background: rgba(16, 185, 129, 0.2);
}

.step-item-modern.completed::after {
    content: '✓';
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--success-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.step-icon-modern {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.step-label-modern {
    font-size: 0.75rem;
    font-weight: 600;
}

/* Progress Bar */
.step-progress-bar {
    margin-top: 0.75rem;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}

.step-progress-fill {
    height: 100%;
    background: rgba(255,255,255,0.6);
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Quick Actions Modern */
.quick-actions-modern {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.quick-action-btn-modern {
    flex: 1;
    padding: 0.5rem;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.quick-action-btn-modern:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-1px);
}

/* Quick actions: icon-only on mobile */
@media (max-width: 768px) {
    .quick-action-btn-modern .quick-action-btn-text {
        display: none;
    }
    .quick-action-btn-modern {
        flex: 0 0 auto;
        padding: 0.5rem 0.75rem;
    }
}

/* ============================================
   Card-Based Layout
   ============================================ */
.sidebar-content-modern {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.sidebar-card.collapsed .card-content {
    display: none;
}

/* Card Header */
.card-header {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.card-header:hover {
    background: var(--bg-tertiary);
}

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.card-title-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-block;
    width: fit-content;
}

.card-status.ready {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.card-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.card-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.card-toggle {
    color: var(--text-secondary);
    transition: transform 0.3s;
    font-size: 0.875rem;
}

.sidebar-card.collapsed .card-toggle {
    transform: rotate(-90deg);
}

/* Card Content */
.card-content {
    padding: 1.25rem;
}

/* Visual hierarchy: group separators and primary cards */
.sidebar-card[data-group="data"]:first-of-type,
.sidebar-card#data-overview-card {
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

.sidebar-card#execution-group {
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--shadow-md);
}

.sidebar-card[data-group="config"]:first-of-type {
    margin-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.sidebar-card[data-group="results"]:first-of-type {
    margin-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* ============================================
   Wizard Styles
   ============================================ */
.manual-input-wizard {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.wizard-steps {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.wizard-step {
    flex: 1;
    padding: 0.5rem;
    text-align: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    transition: all 0.3s;
}

.wizard-step.active {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.wizard-step.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.wizard-step.completed::before {
    content: '✓';
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--success-color);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.wizard-content {
    min-height: 300px;
}

.wizard-step-content {
    display: none;
}

.wizard-step-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.wizard-navigation {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.wizard-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wizard-btn-primary {
    background: var(--primary-color);
    color: white;
    flex: 1;
}

.wizard-btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.wizard-btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.wizard-btn-secondary:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.wizard-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Form Groups
   ============================================ */
.form-group {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
}

.form-group-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-group-title i {
    color: var(--primary-color);
}

.form-fields {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-label-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.help-icon {
    color: var(--text-secondary);
    cursor: help;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.help-icon:hover {
    color: var(--primary-color);
}

.form-input,
.form-select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
    width: 100%;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ============================================
   Dashboard Metrics
   ============================================ */
.metrics-grid-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card-modern {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.metric-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.metric-card-modern:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.metric-card-modern:hover::before {
    transform: scaleY(1);
}

.metric-icon-modern {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.metric-value-modern {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0;
    line-height: 1;
}

.metric-label-modern {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 0.5rem;
}

.metric-trend {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.metric-trend.up {
    color: var(--success-color);
}

.metric-trend.down {
    color: var(--error-color);
}

/* ============================================
   Upload Areas
   ============================================ */
.upload-card {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    background: var(--bg-secondary);
    cursor: pointer;
}

.upload-card:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.upload-card.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.02);
}

.upload-icon-large {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-text-large {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   Algorithm Grid Modern
   ============================================ */
.algorithm-grid-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

@media (min-width: 1025px) {
    .algorithm-grid-modern {
        grid-template-columns: repeat(3, 1fr);
    }
}

.algorithm-card-modern {
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-primary);
}

.algorithm-card-modern:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.algorithm-card-modern.selected,
.algorithm-option.selected,
.algorithm-card-modern.algorithm-option.selected {
    border-color: var(--primary-color) !important;
    background: rgba(37, 99, 235, 0.05) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

/* Compatibility: ensure algorithm-option works with new styles */
.algorithm-option {
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-primary);
}

.algorithm-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Ensure algorithm-card-modern with algorithm-option class works */
.algorithm-card-modern.algorithm-option {
    /* Inherit from algorithm-card-modern */
}

.algorithm-icon-modern {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.algorithm-name-modern {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Recommended algorithm badge */
.algorithm-recommended-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 0.25rem;
    background: var(--success-color);
    color: white;
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.algorithm-card-modern.recommended,
.algorithm-option.recommended {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Algorithm description - readable tooltip area */
.algorithm-description {
    max-width: 100%;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* ============================================
   Buttons Modern
   ============================================ */
.btn-modern {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-modern-primary {
    background: var(--primary-color);
    color: white;
}

.btn-modern-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-modern-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-modern-secondary:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.btn-modern-block {
    width: 100%;
}

.btn-modern:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .step-indicator-modern {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .step-item-modern {
        width: 100%;
    }
    
    .metrics-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .algorithm-grid-modern {
        grid-template-columns: 1fr;
    }
    
    .wizard-steps {
        flex-direction: column;
    }
    
    .card-content {
        padding: 1rem;
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar-card {
    animation: slideIn 0.3s ease;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }