/* ===========================================
   DOCUMENTS LIBRARY - STYLES
   =========================================== */

/* Documents View Container */
.documents-view {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-white);
}

.documents-container {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-light-gray);
}

/* Documents Tabs */
.documents-tabs {
    display: flex;
    background-color: var(--bg-white);
    border-bottom: 2px solid var(--border-color);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.documents-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-gray);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    font-family: var(--font-family);
}

.documents-tab:hover {
    color: var(--text-black);
    background-color: var(--bg-light-gray);
}

.documents-tab.active {
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
    font-weight: 700;
}

.documents-tab i {
    font-size: 1.25rem;
}

.document-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 0.5rem;
    background: var(--bg-light-gray);
    color: var(--text-gray);
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

.documents-tab.active .document-count {
    background: var(--primary-green);
    color: white;
}

/* Documents List */
.documents-list {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Document Card */
.document-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.document-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.document-card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.document-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.document-icon.offer {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
}

.document-icon.protocol {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.document-info {
    flex: 1;
}

.document-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-date {
    font-size: 0.875rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.document-date i {
    font-size: 0.75rem;
}

.document-preview {
    font-size: 0.9375rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-actions {
    display: flex;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.document-action-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background-color: var(--bg-white);
    color: var(--text-gray);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.document-action-btn:hover {
    background-color: var(--primary-green);
    color: var(--bg-white);
    border-color: var(--primary-green);
}

.document-action-btn i {
    font-size: 1rem;
}

.document-action-btn.primary {
    background-color: var(--primary-green);
    color: var(--bg-white);
    border-color: var(--primary-green);
}

.document-action-btn.primary:hover {
    background-color: var(--primary-green-dark);
}

/* Empty State */
.documents-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-gray);
}

.documents-empty i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.documents-empty h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.documents-empty p {
    font-size: 1rem;
    max-width: 400px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .documents-tabs {
        padding: 0 0.5rem;
    }
    
    .documents-tab {
        padding: 1rem 0.75rem;
        font-size: 0.95rem;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .documents-tab i {
        font-size: 1.5rem;
    }
    
    .documents-tab span:not(.document-count) {
        font-size: 0.8125rem;
    }
    
    .document-count {
        position: absolute;
        top: 0.5rem;
        right: 0.5rem;
        min-width: 20px;
        height: 20px;
        font-size: 0.75rem;
    }
    
    .documents-list {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }
    
    .document-card {
        padding: 1.25rem;
    }
    
    .document-actions {
        flex-direction: column;
    }
    
    .document-action-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .documents-empty i {
        font-size: 3rem;
    }
    
    .documents-empty h3 {
        font-size: 1.25rem;
    }
    
    .documents-empty p {
        font-size: 0.9375rem;
    }
}