/* ==================== Variables ==================== */
:root {
    --brand-color: #304870;
    --brand-light: #4a6b99;
    --brand-dark: #1f3452;
    --brand-gradient: linear-gradient(135deg, #304870 0%, #4a6b99 100%);
    
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-hover: #e8ecf1;
    
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-light: #a0aec0;
    
    --success: #48bb78;
    --error: #f56565;
    --warning: #ed8936;
    
    --shadow-sm: 0 2px 4px rgba(48, 72, 112, 0.08);
    --shadow-md: 0 4px 12px rgba(48, 72, 112, 0.12);
    --shadow-lg: 0 8px 24px rgba(48, 72, 112, 0.16);
    --shadow-xl: 0 12px 36px rgba(48, 72, 112, 0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== Global Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== Page Management ==================== */
.page {
    display: none;
    height: 100vh;
    padding: 1rem;
    animation: fadeIn 0.4s ease;
    overflow: hidden;
}

.page.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
    max-height: 100%;
    overflow-y: auto;
}

/* ==================== Welcome Page ==================== */
.welcome-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 2rem 2.5rem;
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.logo-section {
    margin-bottom: 2rem;
}

.logo-placeholder {
    width: 150px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.logo-placeholder img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo-placeholder:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(48, 72, 112, 0.3));
}

.welcome-title {
    font-size: 2rem;
    color: var(--brand-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.primary-btn, .secondary-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--brand-color);
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.primary-btn::before, .secondary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--brand-gradient);
    transition: var(--transition);
    z-index: 0;
}

.primary-btn:hover::before, .secondary-btn:hover::before {
    left: 0;
}

.primary-btn:hover, .secondary-btn:hover {
    border-color: var(--brand-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.primary-btn i, .secondary-btn i {
    font-size: 2rem;
    color: var(--brand-color);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.primary-btn span, .secondary-btn span {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.primary-btn small, .secondary-btn small {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.primary-btn:hover i, .primary-btn:hover span, .primary-btn:hover small,
.secondary-btn:hover i, .secondary-btn:hover span, .secondary-btn:hover small {
    color: white;
}

/* ==================== Form Card ==================== */
.form-card, .documents-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.form-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-header i {
    font-size: 2.5rem;
    color: var(--brand-color);
    margin-bottom: 0.75rem;
}

.form-header h2 {
    color: var(--brand-color);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--brand-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-secondary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-color);
    box-shadow: 0 0 0 3px rgba(48, 72, 112, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ==================== Buttons ==================== */
.back-btn {
    background: transparent;
    border: none;
    color: var(--brand-color);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    margin-bottom: 1rem;
    font-weight: 600;
}

.back-btn:hover {
    background: var(--bg-hover);
    transform: translateX(-5px);
}

.submit-btn, .upload-btn, .load-docs-btn {
    width: 100%;
    padding: 1rem;
    background: var(--brand-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
}

.submit-btn:hover, .upload-btn:hover, .load-docs-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    opacity: 0.95;
}

.submit-btn:active, .upload-btn:active, .load-docs-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled, .upload-btn:disabled, .load-docs-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ==================== Chat Interface ==================== */
.chat-container {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    height: calc(100vh - 2rem);
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.chat-header {
    background: var(--brand-gradient);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow-md);
}

.chat-header .back-btn {
    color: white;
    margin: 0;
}

.chat-header .back-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.chat-header-info {
    flex: 1;
}

.chat-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.session-id {
    font-size: 0.85rem;
    opacity: 0.9;
}

.clear-chat-btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.clear-chat-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: linear-gradient(to bottom, #f5f7fa, #ffffff);
}

.welcome-message {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.welcome-message i {
    font-size: 3rem;
    color: var(--brand-color);
    margin-bottom: 1rem;
}

.welcome-message p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.message {
    display: flex;
    gap: 0.75rem;
    max-width: 80%;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
}

.message.user .message-avatar {
    background: var(--brand-gradient);
    color: white;
}

.message.agent .message-avatar {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.message-content {
    background: var(--bg-secondary);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    word-wrap: break-word;
    line-height: 1.6;
}

.message.user .message-content {
    background: var(--brand-color);
    color: white;
}

.message-content p {
    margin: 0;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    opacity: 0.8;
}

.message.user .message-time {
    color: rgba(255, 255, 255, 0.8);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 0.75rem;
    max-width: 80%;
    padding: 1rem;
}

.typing-indicator .message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.typing-dots {
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 0.4rem;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--brand-color);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Chat Input */
.chat-input-container {
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid #e2e8f0;
}

.input-wrapper {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

#messageInput,
#pdsMessageInput,
#patientMessageInput {
    flex: 1;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    max-height: 150px;
    transition: var(--transition);
}

#messageInput:focus,
#pdsMessageInput:focus,
#patientMessageInput:focus {
    outline: none;
    border-color: var(--brand-color);
    box-shadow: 0 0 0 3px rgba(48, 72, 112, 0.1);
}

.send-btn {
    width: 50px;
    height: 50px;
    background: var(--brand-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.send-btn:active {
    transform: scale(1);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: scale(1);
}

/* ==================== Documents Page ==================== */
.documents-card {
    max-width: 900px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.docs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.docs-header h2 {
    color: var(--brand-color);
    font-size: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.docs-header p {
    color: var(--text-secondary);
    margin: 0;
}

.hr-id-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(48, 72, 112, 0.05), rgba(74, 107, 153, 0.05));
    border-radius: var(--radius-lg);
    border: 2px dashed var(--brand-color);
}

.hr-id-input-group {
    display: flex;
    gap: 1rem;
}

.hr-id-input-group input {
    flex: 1;
}

.hr-id-input-group .load-docs-btn {
    width: auto;
    margin: 0;
    padding: 0.875rem 1.5rem;
    white-space: nowrap;
}

.upload-section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--bg-hover);
    border-radius: var(--radius-lg);
}

.upload-section h3 {
    color: var(--brand-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-upload-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

#fileInput {
    display: none;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3rem 2rem;
    border: 2px dashed var(--brand-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.file-upload-label:hover {
    background: var(--brand-color);
    color: white;
    transform: scale(1.02);
}

.file-upload-label i {
    font-size: 3rem;
    color: var(--brand-color);
    transition: var(--transition);
}

.file-upload-label:hover i {
    color: white;
}

.file-upload-label span {
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.file-upload-label:hover span {
    color: white;
}

.documents-list-section {
    margin-top: 2rem;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.list-header h3 {
    color: var(--brand-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.docs-count {
    background: var(--brand-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
}

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

.document-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.document-item:hover {
    border-color: var(--brand-color);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.document-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.document-icon {
    width: 50px;
    height: 50px;
    background: var(--brand-gradient);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.document-details h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.document-details p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0;
}

.delete-doc-btn {
    background: var(--error);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.delete-doc-btn:hover {
    background: #e53e3e;
    transform: scale(1.05);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.empty-state p {
    font-size: 1.1rem;
}

/* ==================== Error Messages ==================== */
.error-message {
    background: #fed7d7;
    color: #c53030;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-left: 4px solid var(--error);
}

.error-message::before {
    content: '\f06a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

/* ==================== Loading Overlay ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(48, 72, 112, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    text-align: center;
    color: white;
}

.loading-spinner i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.loading-spinner p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* ==================== Toast Notifications ==================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--brand-color);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    transform: translateY(200%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 10000;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.toast.show {
    transform: translateY(0);
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--error);
}

.toast i {
    font-size: 1.5rem;
}

/* ==================== Scrollbar Styling ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--brand-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-dark);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .page {
        padding: 0.5rem;
    }
    
    .welcome-card {
        padding: 1.5rem 1.25rem;
        margin: 0 auto;
    }
    
    .welcome-title {
        font-size: 2rem;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-card, .documents-card {
        padding: 1.5rem 1rem;
    }
    
    .chat-container {
        height: calc(100vh - 1rem);
        border-radius: var(--radius-lg);
    }
    
    .chat-header {
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .chat-messages {
        padding: 1rem;
    }
    
    .message {
        max-width: 90%;
    }
    
    .chat-input-container {
        padding: 1rem;
    }
    
    .hr-id-input-group {
        flex-direction: column;
    }
    
    .hr-id-input-group .load-docs-btn {
        width: 100%;
    }
    
    .toast {
        right: 1rem;
        left: 1rem;
        bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .welcome-title {
        font-size: 1.5rem;
    }
    
    .logo-placeholder {
        width: 100px;
        height: 100px;
    }
    
    .logo-placeholder h1 {
        font-size: 1rem;
    }
    
    .primary-btn i, .secondary-btn i {
        font-size: 2rem;
    }
    
    .primary-btn span, .secondary-btn span {
        font-size: 1.1rem;
    }
}

/* ==================== Animations ==================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ==================== Selection Page Styles ==================== */
.selection-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    animation: scaleIn 0.5s ease;
}

.main-title {
    font-size: 2.5rem;
    color: var(--brand-color);
    margin-bottom: 0.75rem;
    font-weight: 700;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 1rem;
}

.assistant-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.assistant-card {
    background: var(--bg-secondary);
    border: 3px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.assistant-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.assistant-card:hover::before {
    transform: scaleX(1);
}

.assistant-card:hover {
    border-color: var(--brand-color);
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
}

.assistant-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.pds-icon {
    background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
}

.patient-icon {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
}

.assistant-card:hover .assistant-icon {
    transform: scale(1.15) rotate(5deg);
}

.assistant-card h2 {
    color: var(--brand-color);
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.assistant-description {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.features-list {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0;
    padding: 0;
}

.features-list li {
    padding: 0.6rem 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    transition: var(--transition);
}

.features-list li:hover {
    color: var(--brand-color);
    transform: translateX(5px);
}

.features-list li i {
    color: var(--success);
    font-size: 1rem;
}

.select-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--brand-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow-md);
}

.select-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.select-btn i {
    transition: var(--transition);
}

.select-btn:hover i {
    transform: translateX(5px);
}

.pds-btn {
    background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
}

.patient-btn {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
}

.documents-access {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e2e8f0;
}

.documents-access .secondary-btn {
    max-width: 400px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(48, 72, 112, 0.05), rgba(74, 107, 153, 0.05));
}

/* ==================== PDS/Patient Specific Colors ==================== */
.pds-header {
    background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%) !important;
}

.patient-header {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%) !important;
}

.pds-welcome {
    border-left: 4px solid #3182ce;
}

.patient-welcome {
    border-left: 4px solid #e53e3e;
}

.pds-welcome i {
    color: #3182ce;
}

.patient-welcome i {
    color: #e53e3e;
}

/* ==================== Tool Usage Display ==================== */
.tool-usage-panel {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1), rgba(56, 161, 105, 0.1));
    border: 2px solid #48bb78;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-top: 0.75rem;
    animation: slideInFromLeft 0.4s ease;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tool-usage-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: #2f855a;
    font-weight: 600;
    font-size: 0.9rem;
}

.tool-usage-header i {
    font-size: 1.1rem;
}

.tool-name {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #48bb78;
    color: white;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.tool-name i {
    font-size: 0.9rem;
}

.tool-params {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tool-params-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-param {
    padding: 0.3rem 0;
    font-family: 'Courier New', monospace;
}

.tool-param strong {
    color: var(--brand-color);
}

/* Tool usage in messages */
.message .tool-usage-panel {
    margin-top: 0.75rem;
}

.message.agent .message-content:has(.tool-usage-panel) {
    padding-bottom: 0.5rem;
}

/* ==================== Enhanced Chat Interface ==================== */
.chat-container {
    max-width: 1200px;
}

.chat-messages {
    background: linear-gradient(to bottom, #fafbfc, #ffffff);
}

/* Message content with better formatting */
.message-content strong {
    color: var(--brand-color);
    font-weight: 600;
}

.message-content p {
    line-height: 1.7;
}

/* Responsive adjustments for tool panel */
@media (max-width: 768px) {
    .assistant-selection {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .assistant-card {
        padding: 2rem 1.5rem;
    }

    .selection-card {
        padding: 2rem 1.5rem;
    }

    .main-title {
        font-size: 1.75rem;
    }

    .tool-usage-panel {
        padding: 0.85rem 1rem;
    }

    .tool-name {
        font-size: 0.8rem;
        padding: 0.35rem 0.75rem;
    }
}

/* ==================== FAQ Management Styles ==================== */
.faq-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 3px solid var(--brand-color);
}

.faq-section h3 {
    color: var(--brand-color);
    font-size: 1.75rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
}

.faq-section h3 i {
    font-size: 2rem;
}

/* FAQ Form Card */
.faq-form-card {
    background: linear-gradient(135deg, rgba(48, 72, 112, 0.03), rgba(74, 107, 153, 0.03));
    border: 2px solid var(--brand-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.faq-form-card .form-group {
    margin-bottom: 1.5rem;
}

.faq-form-card select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-secondary);
    cursor: pointer;
}

.faq-form-card select:focus {
    outline: none;
    border-color: var(--brand-color);
    box-shadow: 0 0 0 3px rgba(48, 72, 112, 0.1);
}

/* FAQ List Card */
.faq-list-card {
    background: var(--bg-secondary);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.faq-list-card .list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e2e8f0;
}

.faq-list-card .list-header h4 {
    color: var(--brand-color);
    font-size: 1.35rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

/* FAQ Filters */
.faq-filters {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.faq-filters select {
    padding: 0.6rem 1rem;
    border: 2px solid var(--brand-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.faq-filters select:hover {
    background: var(--brand-color);
    color: white;
}

.faq-filters select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(48, 72, 112, 0.1);
}

.refresh-btn {
    width: 40px;
    height: 40px;
    background: var(--brand-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.refresh-btn:hover {
    transform: rotate(180deg) scale(1.1);
    box-shadow: var(--shadow-md);
}

/* FAQ List */
.faqs-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.faq-item {
    background: var(--bg-secondary);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: var(--brand-color);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

/* FAQ Header with Target Badge and Delete Button */
.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
}

/* Target Badges */
.faq-target-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-target-patient {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
    color: white;
}

.faq-target-pds {
    background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
    color: white;
}

.faq-target-both {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.faq-target-badge:hover {
    transform: scale(1.05);
}

/* FAQ Content */
.faq-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-question,
.faq-answer {
    padding: 0.75rem;
    border-radius: var(--radius-sm);
}

.faq-question {
    background: linear-gradient(135deg, rgba(48, 72, 112, 0.05), rgba(74, 107, 153, 0.05));
    border-left: 4px solid var(--brand-color);
}

.faq-answer {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.05), rgba(56, 161, 105, 0.05));
    border-left: 4px solid var(--success);
}

.faq-question strong,
.faq-answer strong {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--brand-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.faq-answer strong {
    color: var(--success);
}

.faq-question p,
.faq-answer p {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    word-wrap: break-word;
}

/* Icon Button for Delete */
.btn-icon {
    width: 36px;
    height: 36px;
    background: var(--error);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-icon:hover {
    background: #e53e3e;
    transform: scale(1.15) rotate(15deg);
    box-shadow: var(--shadow-md);
}

/* FAQ Count */
.faq-count {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(48, 72, 112, 0.08), rgba(74, 107, 153, 0.08));
    border-radius: var(--radius-sm);
    color: var(--brand-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.faq-count span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Empty State for FAQs */
.faqs-list:empty::after {
    content: 'Aucune FAQ disponible';
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-light);
    font-size: 1.1rem;
    font-style: italic;
}

/* Responsive FAQ Styles */
@media (max-width: 768px) {
    .faq-section {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }

    .faq-form-card,
    .faq-list-card {
        padding: 1.5rem;
    }

    .faq-section h3 {
        font-size: 1.5rem;
    }

    .faq-list-card .list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .faq-filters {
        width: 100%;
    }

    .faq-filters select {
        flex: 1;
    }

    .faq-item {
        padding: 1.25rem;
    }

    .faq-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .btn-icon {
        align-self: flex-end;
    }

    .faqs-list {
        max-height: 400px;
    }
}