:root {
    --color-funcionalidade: #be185d;
    --color-sugestao: #065f46;
    --color-bug: #c2410c;
    --color-baixa: #22c55e;
    --color-media: #fbbf24;
    --color-alta: #f87171;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #334155;
    border-top-color: #7c3aed;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, #4c1d95 0%, #581c87 100%);
    color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.btn-back {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.3);
}

h2, h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.form-section,
.legend-section,
.filter-section,
.board-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background: #0f172a;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #7c3aed;
}

.form-group input[type="file"]::file-selector-button {
    background: #7c3aed;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    margin-right: 10px;
    font-weight: 600;
    transition: background 0.3s;
}

.form-group input[type="file"]::file-selector-button:hover {
    background: #6d28d9;
}

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}

.preview-item {
    position: relative;
    width: 150px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    border-radius: 8px;
    padding: 8px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
}

.preview-item > img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
}

.preview-item .image-caption {
    width: 100%;
    padding: 6px;
    font-size: 0.85rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
}

.preview-item .image-caption::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.preview-item .image-caption:focus {
    outline: none;
    border-color: var(--primary-color);
}

.preview-item .remove-preview {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.preview-item .remove-preview:hover {
    background: #dc2626;
}

.form-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: #7c3aed;
    color: white;
}

.btn-primary:hover {
    background: #6d28d9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: #334155;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #475569;
}

.btn-export {
    background: #10b981;
    color: #0f172a;
}

.btn-export:hover {
    background: #059669;
    color: #0f172a;
}

.legend-section {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #334155;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.legend-color {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    flex-shrink: 0;
}

.legend-item.baixa .legend-color {
    background: var(--color-baixa);
}

.legend-item.media .legend-color {
    background: var(--color-media);
}

.legend-item.alta .legend-color {
    background: var(--color-alta);
}

.legend-text strong {
    display: block;
    margin-bottom: 5px;
    font-size: 1rem;
}

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

.filters {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group > label:first-child {
    font-weight: 600;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.board {
    display: flex;
    gap: 0;
    min-height: 400px;
}

.column {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.column-header {
    padding: 15px;
    border-radius: 8px 8px 0 0;
    color: #0f172a;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.funcionalidade-column .column-header {
    background: var(--color-funcionalidade);
}

.sugestao-column .column-header {
    background: var(--color-sugestao);
}

.bug-column .column-header {
    background: var(--color-bug);
}

.item-count {
    background: rgba(241, 245, 249, 0.95);
    color: #0f172a;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.column-content {
    padding: 15px;
    background: var(--bg-primary);
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.separator {
    width: 8px;
    background: var(--border-color);
    cursor: col-resize;
    position: relative;
    transition: background 0.3s;
}

.separator:hover {
    background: #475569;
}

.separator.dragging {
    background: #7c3aed;
}

.card {
    background: #1e293b;
    border-radius: 8px;
    padding: 15px;
    box-shadow: var(--shadow);
    border-left: 4px solid;
    transition: transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.card.baixa {
    border-left-color: var(--color-baixa);
}

.card.media {
    border-left-color: var(--color-media);
}

.card.alta {
    border-left-color: var(--color-alta);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.card-type {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 10px;
}

.card-type.funcionalidade {
    background: #be185d;
    color: #fce7f3;
}

.card-type.sugestao {
    background: #065f46;
    color: #6ee7b7;
}

.card-type.bug {
    background: #c2410c;
    color: #fed7aa;
}

.card-importance {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 10px;
}

.card-importance.baixa {
    background: #22c55e;
    color: #052e16;
}

.card-importance.media {
    background: #fbbf24;
    color: #451a03;
}

.card-importance.alta {
    background: #f87171;
    color: #450a0a;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 10px;
    line-height: 1.5;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.card-images {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.card-image {
    display: flex;
    flex-direction: column;
    max-width: 150px;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s;
}

.card-image:hover {
    transform: scale(1.05);
}

.card-image img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

.card-image .image-caption-display {
    padding: 6px 8px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(30, 41, 59, 0.8);
    border-top: 1px solid var(--border-color);
    line-height: 1.3;
    max-height: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-actions {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.btn-remove {
    background: var(--color-alta);
    color: #0f172a;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-remove:hover {
    background: #fca5a5;
    color: #0f172a;
}

@media (max-width: 1024px) {
    .board {
        flex-direction: column;
    }
    
    .separator {
        display: none;
    }
    
    .column {
        width: 100%;
    }
    
    header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 10px;
    }
    
    .form-section,
    .legend-section,
    .filter-section,
    .board-section {
        padding: 20px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .legend-items {
        grid-template-columns: 1fr;
    }
}

.hidden {
    display: none !important;
}

.admin-items-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.admin-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-filter-select {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.admin-items-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.admin-item {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--border-color);
}

.admin-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-item-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.admin-item-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-item-description {
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.admin-item-images-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 15px;
}

.admin-item-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-edit {
    background: #3b82f6;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.3s;
}

.btn-edit:hover {
    background: #2563eb;
}

.btn-delete {
    background: #ef4444;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.3s;
}

.btn-delete:hover {
    background: #dc2626;
}

.no-items {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 20px;
    font-style: italic;
}

/* Links clicáveis nas legendas */
.caption-link,
.card-description a,
.detail-description a {
    color: #60a5fa;
    text-decoration: underline;
    word-break: break-word;
    transition: color 0.2s ease;
}

.caption-link:hover,
.card-description a:hover,
.detail-description a:hover {
    color: #93c5fd;
}