/* AML Compliance CSS Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    --secondary-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
    --accent-gradient: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    --success-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
    --warning-gradient: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    
    --primary-color: #1e40af;
    --secondary-color: #047857;
    --accent-color: #dc2626;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    
    --background-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-background: rgba(255, 255, 255, 0.98);
    --glass-background: rgba(255, 255, 255, 0.15);
    --compliance-bg: rgba(30, 64, 175, 0.05);
    --alert-bg: rgba(220, 38, 38, 0.05);
    --secure-bg: rgba(5, 150, 105, 0.05);
    
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: 100vh;
}

/* Upload Section */
.upload-section {
    width: 100%;
}

.upload-card {
    background: var(--card-background);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.file-upload {
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    border: 2px dashed transparent;
    background: linear-gradient(var(--card-background), var(--card-background)) padding-box,
                var(--primary-gradient) border-box;
    border-radius: var(--border-radius-xl);
}

.file-upload:hover {
    background: linear-gradient(var(--compliance-bg), var(--compliance-bg)) padding-box,
                var(--primary-gradient) border-box;
}

.upload-icon {
    margin-bottom: 1.5rem;
}

.upload-icon i {
    font-size: 4rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.file-upload h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.file-upload h2 i {
    color: var(--warning-color);
}

.file-upload p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.upload-hint {
    margin-top: 1rem;
}

.upload-hint small {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.upload-loading {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 1rem;
    border-radius: var(--border-radius-xl);
}

.upload-loading span {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Download Section */
.download-section {
    display: none;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-header h2 i {
    color: var(--primary-color);
}

.file-count {
    background: var(--primary-gradient);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
}

.file-list {
    margin-bottom: 1.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    margin-bottom: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-fast);
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(4px);
}

.file-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.delete-icon {
    cursor: pointer;
    color: var(--danger-color);
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.delete-icon:hover {
    background: rgba(234, 84, 85, 0.1);
    transform: scale(1.1);
}

.add-more-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--secondary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.add-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Chat Section */
.chat-section {
    width: 100%;
}

.chat-wrapper {
    background: var(--card-background);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    height: 600px;
    overflow: hidden;
}

.chat-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
}

.chat-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.chat-header h3 i {
    color: var(--danger-color);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.chat-container {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
}

.welcome-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.welcome-icon {
    margin-bottom: 1rem;
}

.welcome-icon i {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-message h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.welcome-message p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Message Styles */
.message {
    max-width: 80%;
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-lg);
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.user-message {
    background: var(--primary-gradient);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: var(--border-radius-sm);
}

.bot-message {
    background: var(--card-background);
    color: var(--text-primary);
    align-self: flex-start;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-bottom-left-radius: var(--border-radius-sm);
}

.message-content {
    line-height: 1.6;
}

.message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: var(--border-radius-sm);
    font-family: 'Monaco', 'Menlo', monospace;
}

.message-content pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    margin: 0.5rem 0;
}

.message-timestamp {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* Input Container */
.input-container {
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.5);
}

.input-wrapper {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

#questionInput {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

#questionInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.send-btn {
    padding: 0.875rem 1.25rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.send-btn:active {
    transform: translateY(0);
}

.input-suggestions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.suggestion-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.suggestion-btn:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-1px);
}

/* Loading Spinner */
.loading-spinner, .text-loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.text-loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.shimmer-text {
    background: linear-gradient(90deg, var(--text-secondary) 25%, var(--primary-color) 50%, var(--text-secondary) 75%);
    background-size: 200px 100%;
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s infinite linear;
    font-weight: 500;
}

.shimmer-text-black {
    background: linear-gradient(90deg, #666666 25%, #000000 50%, #666666 75%);
    background-size: 200px 100%;
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 2s infinite linear;
    font-weight: 500;
    margin-left: 0.5rem;
}

.loading-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Scrollbar Styling */
.chat-container::-webkit-scrollbar {
    width: 6px;
}

.chat-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
}

.chat-container::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
}

.chat-container::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-gradient);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        padding: 1.5rem;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
        gap: 1rem;
    }
    
    .file-upload {
        padding: 2rem 1rem;
    }
    
    .upload-icon i {
        font-size: 3rem;
    }
    
    .chat-wrapper {
        height: 500px;
    }
    
    .chat-header {
        padding: 1rem;
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .input-container {
        padding: 1rem;
    }
    
    .input-suggestions {
        justify-content: center;
    }
    
    .suggestion-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .message {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0.75rem;
    }
    
    .file-upload {
        padding: 1.5rem 0.75rem;
    }
    
    .chat-wrapper {
        height: 400px;
    }
    
    .input-wrapper {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .send-btn {
        width: 100%;
    }
    
    .input-suggestions {
        flex-direction: column;
    }
    
    .suggestion-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --background-gradient: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
        --card-background: rgba(45, 55, 72, 0.95);
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-muted: #a0aec0;
    }
}

/* Print styles */
@media print {
    .upload-section,
    .input-container {
        display: none;
    }
    
    .chat-container {
        height: auto;
        overflow: visible;
    }
    
    .message {
        break-inside: avoid;
        max-width: 100%;
    }
}