/* ====================================
   AiCrafters Issue Management Styles
   Deutsche Issue-Management System UI
   ==================================== */

:root {
    /* Issue Management Color Palette */
    --issue-primary: #dc3545;
    --issue-primary-hover: #c82333;
    --issue-primary-light: rgba(220, 53, 69, 0.1);
    --issue-secondary: #6c757d;
    --issue-success: #28a745;
    --issue-warning: #ffc107;
    --issue-info: #17a2b8;
    --issue-danger: #dc3545;
    
    /* Priority Colors */
    --priority-niedrig: #28a745;
    --priority-mittel: #17a2b8;
    --priority-hoch: #ffc107;
    --priority-kritisch: #dc3545;
    
    /* Status Colors */
    --status-wartend: #ffc107;
    --status-bearbeitung: #17a2b8;
    --status-review: #6f42c1;
    --status-erledigt: #28a745;
    --status-geschlossen: #6c757d;
    
    /* Shadows & Effects */
    --issue-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --issue-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --issue-shadow-active: 0 8px 32px rgba(220, 53, 69, 0.2);
    
    /* Transitions */
    --issue-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --issue-transition-fast: all 0.2s ease;
}

/* =====================================
   Issue Management Layout & Components
   ===================================== */

/* Issue Container */
.issue-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: var(--issue-shadow);
    transition: var(--issue-transition);
    overflow: hidden;
}

.issue-container:hover {
    box-shadow: var(--issue-shadow-hover);
    transform: translateY(-2px);
}

/* Issue Header */
.issue-header {
    background: linear-gradient(135deg, var(--issue-primary), var(--issue-primary-hover));
    color: white;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.issue-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.issue-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

.issue-subtitle {
    opacity: 0.9;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Issue Status & Priority Badges */
.issue-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--issue-transition-fast);
}

.issue-badge i {
    font-size: 0.7rem;
}

/* Priority Badges */
.priority-niedrig {
    background-color: var(--priority-niedrig);
    color: white;
}

.priority-mittel {
    background-color: var(--priority-mittel);
    color: white;
}

.priority-hoch {
    background-color: var(--priority-hoch);
    color: #000;
}

.priority-kritisch {
    background-color: var(--priority-kritisch);
    color: white;
    animation: priorityCriticalPulse 2s infinite;
}

@keyframes priorityCriticalPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(220, 53, 69, 0); }
}

/* Status Badges */
.status-wartend {
    background-color: var(--status-wartend);
    color: #000;
}

.status-bearbeitung {
    background-color: var(--status-bearbeitung);
    color: white;
}

.status-review {
    background-color: var(--status-review);
    color: white;
}

.status-erledigt {
    background-color: var(--status-erledigt);
    color: white;
}

.status-geschlossen {
    background-color: var(--status-geschlossen);
    color: white;
}

/* Issue Type Icons */
.issue-type-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.type-bug {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.type-feature {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    color: white;
}

.type-improvement {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
}

.type-question {
    background: linear-gradient(135deg, #6f42c1, #59339d);
    color: white;
}

.type-documentation {
    background: linear-gradient(135deg, #fd7e14, #e55a00);
    color: white;
}

.type-security {
    background: linear-gradient(135deg, #e83e8c, #d91a72);
    color: white;
}

/* Issue Content */
.issue-content {
    padding: 1.5rem;
}

.issue-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.issue-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.issue-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.issue-meta-item i {
    color: var(--issue-primary);
    width: 16px;
}

/* Issue Actions */
.issue-actions {
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.issue-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--issue-transition-fast);
    text-decoration: none;
}

.issue-action-btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

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

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

.btn-secondary-issue {
    background: var(--issue-secondary);
    color: white;
}

.btn-outline-issue {
    background: transparent;
    color: var(--issue-primary);
    border: 1px solid var(--issue-primary);
}

.btn-outline-issue:hover {
    background: var(--issue-primary);
    color: white;
}

/* =====================================
   Issue List & Grid Layout
   ===================================== */

.issue-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.issue-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.issue-card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--issue-shadow);
    transition: var(--issue-transition);
    overflow: hidden;
    border-left: 4px solid var(--issue-primary);
    position: relative;
}

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

.issue-card.priority-kritisch {
    border-left-color: var(--priority-kritisch);
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.2);
}

.issue-card.priority-hoch {
    border-left-color: var(--priority-hoch);
}

.issue-card.priority-mittel {
    border-left-color: var(--priority-mittel);
}

.issue-card.priority-niedrig {
    border-left-color: var(--priority-niedrig);
}

/* Issue Card Header */
.issue-card-header {
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.issue-card-content {
    flex: 1;
    min-width: 0;
}

.issue-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: #333;
    line-height: 1.4;
}

.issue-card-description {
    color: #666;
    line-height: 1.5;
    font-size: 0.9rem;
}

/* Issue Card Footer */
.issue-card-footer {
    padding: 0.75rem 1rem;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.issue-card-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.issue-card-time {
    color: #666;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* =====================================
   Issue Filters & Search
   ===================================== */

.issue-filters {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--issue-shadow);
    margin-bottom: 1.5rem;
}

.issue-search {
    position: relative;
    margin-bottom: 1rem;
}

.issue-search input {
    padding-left: 2.5rem;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    transition: var(--issue-transition-fast);
}

.issue-search input:focus {
    border-color: var(--issue-primary);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.issue-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    pointer-events: none;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

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

.filter-item label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #555;
    margin: 0;
}

.filter-item select,
.filter-item input {
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 0.5rem;
    font-size: 0.9rem;
    transition: var(--issue-transition-fast);
}

.filter-item select:focus,
.filter-item input:focus {
    border-color: var(--issue-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.1);
}

/* =====================================
   Issue Statistics & Dashboard
   ===================================== */

.issue-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--issue-shadow);
    text-align: center;
    transition: var(--issue-transition);
    border-top: 3px solid var(--issue-primary);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    background: var(--issue-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--issue-primary);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin: 0;
    line-height: 1;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* =====================================
   Issue Form Enhancements
   ===================================== */

.issue-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--issue-shadow);
}

.issue-form .form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.issue-form .form-control,
.issue-form .form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem;
    transition: var(--issue-transition-fast);
    font-size: 0.95rem;
}

.issue-form .form-control:focus,
.issue-form .form-select:focus {
    border-color: var(--issue-primary);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.issue-form .invalid-feedback {
    display: block;
    color: var(--issue-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Required field indicator */
.required::after {
    content: " *";
    color: var(--issue-danger);
    font-weight: bold;
}

/* =====================================
   Timeline & Comments
   ===================================== */

.issue-timeline {
    position: relative;
    padding-left: 2rem;
}

.issue-timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #dee2e6;
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--issue-primary);
    border: 3px solid white;
    box-shadow: 0 0 0 3px #dee2e6;
}

.timeline-content {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--issue-shadow);
    margin-left: 1rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.timeline-author {
    font-weight: 600;
    color: #333;
}

.timeline-date {
    color: #666;
    font-size: 0.85rem;
}

.timeline-message {
    color: #555;
    line-height: 1.6;
}

/* =====================================
   Responsive Design
   ===================================== */

@media (max-width: 768px) {
    .issue-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0.5rem 0;
    }
    
    .issue-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .issue-filters {
        padding: 1rem;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .issue-card-header {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .issue-type-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .issue-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .timeline-item {
        margin-left: -1rem;
    }
    
    .timeline-content {
        margin-left: 0.5rem;
    }
}

@media (max-width: 480px) {
    .issue-stats {
        grid-template-columns: 1fr;
    }
    
    .issue-form {
        padding: 1rem;
    }
    
    .issue-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
}

/* =====================================
   Dark Mode Support
   ===================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --issue-bg: #1a1a1a;
        --issue-card-bg: #2d2d2d;
        --issue-text: #e0e0e0;
        --issue-text-muted: #a0a0a0;
        --issue-border: #404040;
    }
    
    .issue-container,
    .issue-card,
    .stat-card,
    .issue-form,
    .timeline-content {
        background: var(--issue-card-bg);
        color: var(--issue-text);
        border-color: var(--issue-border);
    }
    
    .issue-description,
    .issue-meta-item,
    .issue-card-description,
    .stat-label,
    .timeline-message {
        color: var(--issue-text-muted);
    }
    
    .issue-form .form-control,
    .issue-form .form-select,
    .filter-item select,
    .filter-item input {
        background: var(--issue-card-bg);
        color: var(--issue-text);
        border-color: var(--issue-border);
    }
}

/* =====================================
   Accessibility Enhancements
   ===================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .priority-kritisch {
        animation: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .issue-badge,
    .issue-action-btn {
        border: 2px solid currentColor;
    }
    
    .issue-card {
        border: 2px solid var(--issue-primary);
    }
}

/* Focus management for accessibility */
.issue-action-btn:focus,
.issue-form .form-control:focus,
.issue-form .form-select:focus {
    outline: 2px solid var(--issue-primary);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================
   Print Styles
   ===================================== */

@media print {
    .issue-fab-container,
    .issue-actions,
    .issue-filters {
        display: none !important;
    }
    
    .issue-card,
    .issue-container {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .issue-header {
        background: #f5f5f5 !important;
        color: #000 !important;
    }
}

/* =====================================
   Animation Keyframes
   ===================================== */

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading states */
.issue-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}

.issue-skeleton {
    animation: pulse 1.5s infinite;
}

/* ====================================
   Utility Classes
   ==================================== */

.text-issue-primary { color: var(--issue-primary) !important; }
.bg-issue-primary { background-color: var(--issue-primary) !important; }
.border-issue-primary { border-color: var(--issue-primary) !important; }

.shadow-issue { box-shadow: var(--issue-shadow) !important; }
.shadow-issue-hover { box-shadow: var(--issue-shadow-hover) !important; }
.shadow-issue-active { box-shadow: var(--issue-shadow-active) !important; }

.transition-issue { transition: var(--issue-transition) !important; }
.transition-issue-fast { transition: var(--issue-transition-fast) !important; }