/**
 * Ippocrate LMS Search - Stili Frontend
 */

/* ==========================================================================
   Variabili CSS
   ========================================================================== */
:root {
    --ippocrate-primary: #2E7D32;
    --ippocrate-primary-dark: #1B5E20;
    --ippocrate-primary-light: #4CAF50;
    --ippocrate-secondary: #FFA726;
    --ippocrate-text: #333333;
    --ippocrate-text-light: #666666;
    --ippocrate-border: #E0E0E0;
    --ippocrate-bg: #FAFAFA;
    --ippocrate-white: #FFFFFF;
    --ippocrate-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --ippocrate-radius: 8px;
    --ippocrate-transition: 0.2s ease;
}

/* ==========================================================================
   Wrapper principale
   ========================================================================== */
.ippocrate-search-wrapper {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* ==========================================================================
   Barra di ricerca
   ========================================================================== */
.ippocrate-search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.ippocrate-search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.ippocrate-search-icon {
    position: absolute;
    left: 15px;
    color: var(--ippocrate-text-light);
    display: flex;
    align-items: center;
}

.ippocrate-search-input {
    width: 100%;
    padding: 14px 45px;
    font-size: 16px;
    border: 2px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    transition: border-color var(--ippocrate-transition), box-shadow var(--ippocrate-transition);
    outline: none;
}

.ippocrate-search-input:focus {
    border-color: var(--ippocrate-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.ippocrate-search-clear {
    position: absolute;
    right: 15px;
    font-size: 24px;
    color: var(--ippocrate-text-light);
    cursor: pointer;
    line-height: 1;
    transition: color var(--ippocrate-transition);
}

.ippocrate-search-clear:hover {
    color: var(--ippocrate-text);
}

.ippocrate-search-button {
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ippocrate-white);
    background: var(--ippocrate-primary);
    border: none;
    border-radius: var(--ippocrate-radius);
    cursor: pointer;
    transition: background var(--ippocrate-transition), transform var(--ippocrate-transition);
}

.ippocrate-search-button:hover {
    background: var(--ippocrate-primary-dark);
    transform: translateY(-1px);
}

/* ==========================================================================
   Suggerimenti
   ========================================================================== */
.ippocrate-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    box-shadow: var(--ippocrate-shadow);
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

.ippocrate-suggestion-item {
    padding: 12px 15px;
    cursor: pointer;
    transition: background var(--ippocrate-transition);
}

.ippocrate-suggestion-item:hover {
    background: var(--ippocrate-bg);
}

.ippocrate-suggestion-item:not(:last-child) {
    border-bottom: 1px solid var(--ippocrate-border);
}

/* ==========================================================================
   Filtri
   ========================================================================== */
.ippocrate-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.ippocrate-filter-item {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.ippocrate-filter-item input {
    display: none;
}

.ippocrate-filter-item span {
    padding: 8px 16px;
    font-size: 14px;
    color: var(--ippocrate-text-light);
    background: var(--ippocrate-bg);
    border: 1px solid var(--ippocrate-border);
    border-radius: 20px;
    transition: all var(--ippocrate-transition);
}

.ippocrate-filter-item:hover span {
    border-color: var(--ippocrate-primary);
    color: var(--ippocrate-primary);
}

.ippocrate-filter-item input:checked + span {
    background: var(--ippocrate-primary);
    border-color: var(--ippocrate-primary);
    color: var(--ippocrate-white);
}

/* ==========================================================================
   Loading
   ========================================================================== */
.ippocrate-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px;
    color: var(--ippocrate-text-light);
}

.ippocrate-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--ippocrate-border);
    border-top-color: var(--ippocrate-primary);
    border-radius: 50%;
    animation: ippocrate-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Risultati
   ========================================================================== */
.ippocrate-results {
    margin-bottom: 20px;
}

.ippocrate-result-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    margin-bottom: 12px;
    transition: box-shadow var(--ippocrate-transition), transform var(--ippocrate-transition);
}

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

.ippocrate-result-thumbnail {
    width: 120px;
    height: 90px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    background: var(--ippocrate-bg);
}

.ippocrate-result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ippocrate-result-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ippocrate-text-light);
}

.ippocrate-result-content {
    flex: 1;
    min-width: 0;
}

.ippocrate-result-type {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ippocrate-primary);
    background: rgba(46, 125, 50, 0.1);
    border-radius: 4px;
    margin-bottom: 8px;
}

.ippocrate-result-title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
}

.ippocrate-result-title a {
    color: var(--ippocrate-text);
    text-decoration: none;
    transition: color var(--ippocrate-transition);
}

.ippocrate-result-title a:hover {
    color: var(--ippocrate-primary);
}

.ippocrate-result-excerpt {
    margin: 0 0 10px;
    font-size: 14px;
    color: var(--ippocrate-text-light);
    line-height: 1.5;
}

.ippocrate-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 13px;
    color: var(--ippocrate-text-light);
}

.ippocrate-result-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.ippocrate-result-locked {
    opacity: 0.7;
}

.ippocrate-lock-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--ippocrate-secondary);
    background: rgba(255, 167, 38, 0.1);
    border-radius: 4px;
}

/* ==========================================================================
   Paginazione
   ========================================================================== */
.ippocrate-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 20px 0;
}

.ippocrate-pagination button {
    min-width: 40px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--ippocrate-text);
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--ippocrate-transition);
}

.ippocrate-pagination button:hover:not(:disabled) {
    border-color: var(--ippocrate-primary);
    color: var(--ippocrate-primary);
}

.ippocrate-pagination button.active {
    background: var(--ippocrate-primary);
    border-color: var(--ippocrate-primary);
    color: var(--ippocrate-white);
}

.ippocrate-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================================
   Sezione AI
   ========================================================================== */
.ippocrate-ai-section {
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(46, 125, 50, 0.05), rgba(46, 125, 50, 0.02));
    border: 1px solid rgba(46, 125, 50, 0.2);
    border-radius: var(--ippocrate-radius);
}

.ippocrate-ai-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 500;
    color: var(--ippocrate-primary-dark);
}

.ippocrate-ai-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--ippocrate-primary);
    border-radius: 50%;
    color: var(--ippocrate-white);
}

.ippocrate-ai-input-wrapper {
    display: flex;
    gap: 10px;
}

.ippocrate-ai-input {
    flex: 1;
    padding: 12px 15px;
    font-size: 14px;
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    resize: vertical;
    min-height: 50px;
    font-family: inherit;
}

.ippocrate-ai-input:focus {
    outline: none;
    border-color: var(--ippocrate-primary);
}

.ippocrate-ai-button {
    padding: 12px 20px;
    background: var(--ippocrate-primary);
    color: var(--ippocrate-white);
    border: none;
    border-radius: var(--ippocrate-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--ippocrate-transition);
}

.ippocrate-ai-button:hover {
    background: var(--ippocrate-primary-dark);
}

.ippocrate-ai-response {
    margin-top: 15px;
    padding: 15px;
    background: var(--ippocrate-white);
    border-radius: var(--ippocrate-radius);
    line-height: 1.6;
}

.ippocrate-ai-response p:last-child {
    margin-bottom: 0;
}

.ippocrate-ai-sources {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--ippocrate-border);
}

.ippocrate-ai-sources-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ippocrate-text-light);
    margin-bottom: 8px;
}

.ippocrate-ai-source-item {
    display: inline-block;
    padding: 4px 10px;
    margin: 4px;
    font-size: 12px;
    background: var(--ippocrate-bg);
    border-radius: 4px;
}

.ippocrate-ai-source-item a {
    color: var(--ippocrate-primary);
    text-decoration: none;
}

.ippocrate-ai-locked {
    text-align: center;
    opacity: 0.8;
}

.ippocrate-ai-locked a {
    color: var(--ippocrate-primary);
}

/* ==========================================================================
   I Miei Corsi
   ========================================================================== */
.ippocrate-my-courses {
    max-width: 1000px;
}

.ippocrate-my-courses-search {
    margin-bottom: 20px;
}

.ippocrate-my-courses-filter {
    width: 100%;
    max-width: 400px;
    padding: 12px 15px;
    font-size: 14px;
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
}

.ippocrate-courses-list {
    display: grid;
    gap: 20px;
}

.ippocrate-course-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    transition: box-shadow var(--ippocrate-transition);
}

.ippocrate-course-item:hover {
    box-shadow: var(--ippocrate-shadow);
}

.ippocrate-course-thumbnail {
    width: 160px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    background: var(--ippocrate-bg);
}

.ippocrate-course-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ippocrate-course-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ippocrate-text-light);
}

.ippocrate-course-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ippocrate-course-title {
    margin: 0 0 10px;
    font-size: 18px;
}

.ippocrate-course-title a {
    color: var(--ippocrate-text);
    text-decoration: none;
}

.ippocrate-course-title a:hover {
    color: var(--ippocrate-primary);
}

.ippocrate-course-progress {
    margin-bottom: 15px;
}

.ippocrate-progress-bar {
    height: 8px;
    background: var(--ippocrate-bg);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 5px;
}

.ippocrate-progress-fill {
    height: 100%;
    background: var(--ippocrate-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.ippocrate-progress-text {
    font-size: 13px;
    color: var(--ippocrate-text-light);
}

.ippocrate-course-actions {
    margin-top: auto;
    display: flex;
    gap: 10px;
}

.ippocrate-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--ippocrate-transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
}

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

.ippocrate-btn-primary:hover {
    background: var(--ippocrate-primary-dark);
}

.ippocrate-btn-secondary {
    background: var(--ippocrate-white);
    color: var(--ippocrate-primary);
    border: 1px solid var(--ippocrate-primary);
}

.ippocrate-btn-secondary:hover {
    background: rgba(46, 125, 50, 0.05);
}

.ippocrate-no-courses {
    text-align: center;
    padding: 40px;
    background: var(--ippocrate-bg);
    border-radius: var(--ippocrate-radius);
}

.ippocrate-browse-courses {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 24px;
    background: var(--ippocrate-primary);
    color: var(--ippocrate-white);
    text-decoration: none;
    border-radius: 6px;
}

/* ==========================================================================
   Catalogo
   ========================================================================== */
.ippocrate-catalog-grid {
    display: grid;
    gap: 20px;
}

.ippocrate-catalog-grid.columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.ippocrate-catalog-grid.columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.ippocrate-catalog-grid.columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

.ippocrate-catalog-item {
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    overflow: hidden;
    transition: box-shadow var(--ippocrate-transition), transform var(--ippocrate-transition);
}

.ippocrate-catalog-item:hover {
    box-shadow: var(--ippocrate-shadow);
    transform: translateY(-3px);
}

.ippocrate-catalog-thumbnail {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--ippocrate-bg);
}

.ippocrate-catalog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ippocrate-catalog-content {
    padding: 15px;
}

.ippocrate-catalog-title {
    margin: 0 0 10px;
    font-size: 16px;
}

.ippocrate-catalog-title a {
    color: var(--ippocrate-text);
    text-decoration: none;
}

.ippocrate-catalog-excerpt {
    font-size: 13px;
    color: var(--ippocrate-text-light);
    line-height: 1.5;
    margin-bottom: 10px;
}

/* ==========================================================================
   AI Assistant Standalone
   ========================================================================== */
.ippocrate-ai-assistant-standalone {
    max-width: 700px;
    margin: 0 auto;
    background: var(--ippocrate-white);
    border: 1px solid var(--ippocrate-border);
    border-radius: var(--ippocrate-radius);
    overflow: hidden;
}

.ippocrate-ai-assistant-header {
    padding: 20px;
    background: var(--ippocrate-primary);
    color: var(--ippocrate-white);
}

.ippocrate-ai-assistant-header h3 {
    margin: 0 0 5px;
    font-size: 20px;
}

.ippocrate-ai-assistant-header p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

.ippocrate-ai-chat {
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.ippocrate-ai-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    max-height: 400px;
}

.ippocrate-ai-message {
    margin-bottom: 15px;
    padding: 12px 15px;
    border-radius: var(--ippocrate-radius);
    max-width: 85%;
}

.ippocrate-ai-message-user {
    background: var(--ippocrate-primary);
    color: var(--ippocrate-white);
    margin-left: auto;
}

.ippocrate-ai-message-assistant {
    background: var(--ippocrate-bg);
    color: var(--ippocrate-text);
}

.ippocrate-ai-input-area {
    padding: 15px;
    border-top: 1px solid var(--ippocrate-border);
    display: flex;
    gap: 10px;
}

.ippocrate-ai-input-area .ippocrate-ai-input {
    flex: 1;
}

.ippocrate-ai-send {
    padding: 12px 20px;
    background: var(--ippocrate-primary);
    color: var(--ippocrate-white);
    border: none;
    border-radius: var(--ippocrate-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: background var(--ippocrate-transition);
}

.ippocrate-ai-send:hover {
    background: var(--ippocrate-primary-dark);
}

.ippocrate-ai-disclaimer {
    padding: 10px 15px;
    background: var(--ippocrate-bg);
    text-align: center;
    color: var(--ippocrate-text-light);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .ippocrate-search-bar {
        flex-direction: column;
    }

    .ippocrate-search-button {
        width: 100%;
    }

    .ippocrate-result-item {
        flex-direction: column;
    }

    .ippocrate-result-thumbnail {
        width: 100%;
        height: 150px;
    }

    .ippocrate-course-item {
        flex-direction: column;
    }

    .ippocrate-course-thumbnail {
        width: 100%;
        height: 180px;
    }

    .ippocrate-catalog-grid.columns-3,
    .ippocrate-catalog-grid.columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .ippocrate-course-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .ippocrate-catalog-grid.columns-2,
    .ippocrate-catalog-grid.columns-3,
    .ippocrate-catalog-grid.columns-4 {
        grid-template-columns: 1fr;
    }

    .ippocrate-filters {
        justify-content: center;
    }
}

/* ==========================================================================
   Messaggi di stato
   ========================================================================== */
.ippocrate-no-results {
    text-align: center;
    padding: 40px;
    color: var(--ippocrate-text-light);
}

.ippocrate-error {
    padding: 15px;
    background: #FFF3F3;
    border: 1px solid #FFCDD2;
    border-radius: var(--ippocrate-radius);
    color: #C62828;
    text-align: center;
}

.ippocrate-login-required {
    text-align: center;
    padding: 20px;
    background: var(--ippocrate-bg);
    border-radius: var(--ippocrate-radius);
}

.ippocrate-login-required a {
    color: var(--ippocrate-primary);
}