/* ========================================
   Buscador de Subvenciones BDNS - Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a56db;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #6b7280;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-tertiary: #e5e7eb;

    /* Text */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;

    /* Borders */
    --border-color: #d1d5db;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    /* Transitions */
    --transition: 150ms ease-in-out;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.icon {
    font-style: normal;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: 2.5rem;
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
}

.logo-text .subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    transition: all var(--transition);
    font-size: var(--font-size-sm);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-btn .badge {
    background: var(--color-warning);
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Main Content */
.main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Search Panel */
.search-panel {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.search-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.search-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.search-field-large {
    grid-column: span 2;
}

.search-field label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.search-field input,
.search-field select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: all var(--transition);
    background: var(--bg-primary);
}

.search-field input:focus,
.search-field select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.search-field input::placeholder {
    color: var(--text-muted);
}

.search-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.btn-danger {
    background: var(--color-error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

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

.btn-page:hover:not(:disabled) {
    background: var(--bg-secondary);
}

/* Results Section */
.results-section {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
}

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.empty-state h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
}

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    color: var(--color-error);
}

.error-message .icon {
    font-size: 1.5rem;
}

/* Results Info */
.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Results Table */
.results-container {
    overflow-x: auto;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
}

.results-table th,
.results-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.results-table tr:hover {
    background: var(--bg-secondary);
}

.results-table td {
    font-size: var(--font-size-sm);
}

.results-table .codigo {
    font-family: monospace;
    color: var(--color-primary);
    font-weight: 500;
}

.results-table .titulo {
    max-width: 400px;
}

.results-table .titulo-text {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    cursor: pointer;
    transition: color var(--transition);
}

.results-table .titulo-text:hover {
    color: var(--color-primary);
}

.results-table .organo {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.results-table .fecha {
    white-space: nowrap;
}

.results-table .importe {
    white-space: nowrap;
    font-weight: 500;
    color: var(--color-success);
}

.results-table .acciones {
    white-space: nowrap;
    display: flex;
    gap: var(--spacing-xs);
}

.btn-icon {
    padding: var(--spacing-xs);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 1rem;
}

.btn-icon:hover {
    background: var(--bg-secondary);
}

.btn-icon.favorito-activo {
    background: #fef3c7;
    border-color: var(--color-warning);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

#page-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: 1000;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: var(--font-size-lg);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-xs);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Detail Modal Content */
.detail-grid {
    display: grid;
    gap: var(--spacing-md);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-value {
    font-size: var(--font-size-base);
}

.detail-value a {
    color: var(--color-primary);
    text-decoration: none;
}

.detail-value a:hover {
    text-decoration: underline;
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

/* Favoritos/Historial List */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    gap: var(--spacing-md);
}

.list-item:hover {
    background: var(--bg-secondary);
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-item-meta {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.list-item-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

/* Documents Section */
.documentos-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.documentos-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.documentos-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.documentos-table th,
.documentos-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.documentos-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.documentos-table tr:last-child td {
    border-bottom: none;
}

.documentos-table tr:hover {
    background: var(--bg-secondary);
}

.th-tipo {
    width: 50px;
    text-align: center;
}

.th-acciones {
    width: 150px;
}

.doc-tipo {
    text-align: center;
}

.doc-tipo-icon {
    font-size: 1.25rem;
}

.doc-nombre {
    font-size: var(--font-size-sm);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-fecha {
    font-size: var(--font-size-sm);
    white-space: nowrap;
    color: var(--text-secondary);
}

.doc-acciones {
    display: flex;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.doc-acciones .btn {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.documentos-empty {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-lg);
    font-style: italic;
}

.documentos-error {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    color: var(--color-error);
    font-size: var(--font-size-sm);
}

.documentos-error .icon {
    font-size: 1.25rem;
}

/* Loading small (for inline loading) */
.loading-small {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Documents container in modal */
#documentos-container {
    padding: 0 var(--spacing-lg);
}

#documentos-container:empty {
    display: none;
}

/* Responsive documents table */
@media (max-width: 768px) {
    .documentos-table th.th-fecha,
    .documentos-table td.doc-fecha {
        display: none;
    }

    .doc-nombre {
        max-width: 150px;
    }

    .doc-acciones {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .documentos-table th.th-tipo,
    .documentos-table td.doc-tipo {
        display: none;
    }

    .doc-nombre {
        max-width: 100px;
    }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-legal {
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .logo {
        flex-direction: column;
    }

    .nav-btn .label {
        display: none;
    }

    .search-field-large {
        grid-column: span 1;
    }

    .search-actions {
        flex-direction: column;
    }

    .search-actions .btn {
        width: 100%;
    }

    .results-table th:nth-child(3),
    .results-table td:nth-child(3),
    .results-table th:nth-child(5),
    .results-table td:nth-child(5) {
        display: none;
    }

    .modal-content {
        margin: var(--spacing-sm);
        max-height: calc(100vh - 2rem);
    }

    .pagination {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main {
        padding: var(--spacing-sm);
    }

    .search-panel,
    .results-section {
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
    }

    .results-table th:nth-child(4),
    .results-table td:nth-child(4) {
        display: none;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .search-panel,
    .pagination,
    .results-table .acciones {
        display: none !important;
    }

    .results-section {
        box-shadow: none;
        padding: 0;
    }

    .results-table th,
    .results-table td {
        padding: var(--spacing-xs);
    }
}