/* DeepSeek AI Chat - Modern Professional Design System */

/* ===========================
   1. CSS Variables & Design Tokens
   =========================== */
:root {
    /* Brand Colors */
    --ds-brand-primary: #6366f1;
    --ds-brand-primary-light: #818cf8;
    --ds-brand-primary-dark: #4f46e5;
    --ds-brand-secondary: #8b5cf6;
    --ds-brand-accent: #10b981;
    
    /* Neutral Colors */
    --ds-gray-50: #f9fafb;
    --ds-gray-100: #f3f4f6;
    --ds-gray-200: #e5e7eb;
    --ds-gray-300: #d1d5db;
    --ds-gray-400: #9ca3af;
    --ds-gray-500: #6b7280;
    --ds-gray-600: #4b5563;
    --ds-gray-700: #374151;
    --ds-gray-800: #1f2937;
    --ds-gray-900: #111827;
    --ds-gray-950: #030712;
    
    /* Semantic Colors */
    --ds-success: #10b981;
    --ds-warning: #f59e0b;
    --ds-error: #ef4444;
    --ds-info: #3b82f6;
    
    /* Surface Colors */
    --ds-surface-primary: #ffffff;
    --ds-surface-secondary: #f9fafb;
    --ds-surface-tertiary: #f3f4f6;
    --ds-surface-elevated: #ffffff;
    
    /* Text Colors */
    --ds-text-primary: #111827;
    --ds-text-secondary: #6b7280;
    --ds-text-tertiary: #9ca3af;
    --ds-text-inverse: #ffffff;
    
    /* Border Colors */
    --ds-border-light: #e5e7eb;
    --ds-border-default: #d1d5db;
    --ds-border-dark: #9ca3af;
    
    /* Shadows */
    --ds-shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --ds-shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --ds-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --ds-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --ds-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --ds-shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --ds-shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    
    /* Typography */
    --ds-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ds-font-mono: 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    
    /* Font Sizes */
    --ds-text-xs: 0.75rem;
    --ds-text-sm: 0.875rem;
    --ds-text-base: 1rem;
    --ds-text-lg: 1.125rem;
    --ds-text-xl: 1.25rem;
    --ds-text-2xl: 1.5rem;
    
    /* Font Weights */
    --ds-font-normal: 400;
    --ds-font-medium: 500;
    --ds-font-semibold: 600;
    --ds-font-bold: 700;
    
    /* Border Radius */
    --ds-radius-sm: 0.375rem;
    --ds-radius-md: 0.5rem;
    --ds-radius-lg: 0.75rem;
    --ds-radius-xl: 1rem;
    --ds-radius-2xl: 1.5rem;
    --ds-radius-full: 9999px;
    
    /* Spacing */
    --ds-spacing-xs: 0.25rem;
    --ds-spacing-sm: 0.5rem;
    --ds-spacing-md: 1rem;
    --ds-spacing-lg: 1.5rem;
    --ds-spacing-xl: 2rem;
    --ds-spacing-2xl: 3rem;
    
    /* Transitions */
    --ds-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index */
    --ds-z-base: 0;
    --ds-z-dropdown: 1000;
    --ds-z-sticky: 1020;
    --ds-z-fixed: 1030;
    --ds-z-modal-backdrop: 1040;
    --ds-z-modal: 1050;
    --ds-z-popover: 1060;
    --ds-z-tooltip: 1070;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --ds-surface-primary: #111827;
    --ds-surface-secondary: #1f2937;
    --ds-surface-tertiary: #374151;
    --ds-surface-elevated: #1f2937;
    
    --ds-text-primary: #f9fafb;
    --ds-text-secondary: #d1d5db;
    --ds-text-tertiary: #9ca3af;
    --ds-text-inverse: #111827;
    
    --ds-border-light: #374151;
    --ds-border-default: #4b5563;
    --ds-border-dark: #6b7280;
    
    --ds-gray-50: #111827;
    --ds-gray-100: #1f2937;
    --ds-gray-200: #374151;
    --ds-gray-300: #4b5563;
    --ds-gray-400: #6b7280;
    --ds-gray-500: #9ca3af;
    --ds-gray-600: #d1d5db;
    --ds-gray-700: #e5e7eb;
    --ds-gray-800: #f3f4f6;
    --ds-gray-900: #f9fafb;
}

/* ===========================
   2. Global Styles & Reset
   =========================== */
.deepseek-chat-wrapper {
    font-family: var(--ds-font-sans);
    font-size: var(--ds-text-base);
    line-height: 1.5;
    color: var(--ds-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.deepseek-chat-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===========================
   3. Chat Container
   =========================== */
.ds-chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--ds-surface-primary);
    border-radius: var(--ds-radius-xl);
    overflow: hidden;
    box-shadow: var(--ds-shadow-2xl);
    border: 1px solid var(--ds-border-light);
    position: relative;
}

.ds-chat-container.ds-floating {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 420px;
    height: 640px;
    z-index: var(--ds-z-modal);
    animation: ds-slide-up 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.ds-chat-container.ds-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
    z-index: var(--ds-z-modal);
}

/* ===========================
   4. Chat Header
   =========================== */
.ds-chat-header {
    background: linear-gradient(135deg, var(--ds-brand-primary) 0%, var(--ds-brand-secondary) 100%);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.ds-chat-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: ds-float 20s ease-in-out infinite;
}

.ds-header-content {
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-md);
    z-index: 1;
    position: relative;
}

.ds-bot-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--ds-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.ds-bot-avatar svg {
    width: 24px;
    height: 24px;
    color: white;
}

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

.ds-chat-title {
    font-size: var(--ds-text-lg);
    font-weight: var(--ds-font-semibold);
    color: white;
    margin-bottom: 2px;
}

.ds-chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--ds-text-sm);
    color: rgba(255, 255, 255, 0.9);
}

.ds-status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
    animation: ds-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.ds-header-actions {
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-xs);
    z-index: 1;
}

.ds-header-btn {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--ds-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all var(--ds-transition-fast);
    backdrop-filter: blur(10px);
}

.ds-header-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

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

/* ===========================
   5. Chat Messages Area
   =========================== */
.ds-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--ds-spacing-lg);
    background: var(--ds-surface-secondary);
    scroll-behavior: smooth;
}

.ds-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.ds-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ds-chat-messages::-webkit-scrollbar-thumb {
    background: var(--ds-border-default);
    border-radius: var(--ds-radius-full);
}

.ds-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--ds-border-dark);
}

/* Message Bubbles */
.ds-message {
    margin-bottom: var(--ds-spacing-md);
    animation: ds-fade-in 300ms ease-out;
}

.ds-message-wrapper {
    display: flex;
    gap: var(--ds-spacing-sm);
    align-items: flex-start;
}

.ds-message.ds-user .ds-message-wrapper {
    flex-direction: row-reverse;
}

.ds-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--ds-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ds-text-sm);
    font-weight: var(--ds-font-semibold);
    flex-shrink: 0;
}

.ds-message.ds-assistant .ds-message-avatar {
    background: linear-gradient(135deg, var(--ds-brand-primary), var(--ds-brand-secondary));
    color: white;
}

.ds-message.ds-user .ds-message-avatar {
    background: var(--ds-gray-200);
    color: var(--ds-gray-700);
}

.ds-message-content {
    max-width: 75%;
    position: relative;
}

.ds-message-bubble {
    padding: var(--ds-spacing-sm) var(--ds-spacing-md);
    border-radius: var(--ds-radius-lg);
    word-wrap: break-word;
    position: relative;
}

.ds-message.ds-assistant .ds-message-bubble {
    background: var(--ds-surface-primary);
    color: var(--ds-text-primary);
    border: 1px solid var(--ds-border-light);
    border-bottom-left-radius: var(--ds-radius-sm);
}

.ds-message.ds-user .ds-message-bubble {
    background: linear-gradient(135deg, var(--ds-brand-primary), var(--ds-brand-secondary));
    color: white;
    border-bottom-right-radius: var(--ds-radius-sm);
}

.ds-message-time {
    font-size: var(--ds-text-xs);
    color: var(--ds-text-tertiary);
    margin-top: var(--ds-spacing-xs);
    padding: 0 var(--ds-spacing-sm);
}

.ds-message.ds-user .ds-message-time {
    text-align: right;
}

/* Message Actions */
.ds-message-actions {
    display: flex;
    gap: var(--ds-spacing-xs);
    margin-top: var(--ds-spacing-xs);
    opacity: 0;
    transition: opacity var(--ds-transition-fast);
}

.ds-message:hover .ds-message-actions {
    opacity: 1;
}

.ds-action-btn {
    padding: 4px 8px;
    background: var(--ds-surface-secondary);
    border: 1px solid var(--ds-border-light);
    border-radius: var(--ds-radius-sm);
    font-size: var(--ds-text-xs);
    color: var(--ds-text-secondary);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.ds-action-btn:hover {
    background: var(--ds-surface-tertiary);
    color: var(--ds-text-primary);
}

/* Typing Indicator */
.ds-typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-sm);
    padding: var(--ds-spacing-sm) 0;
}

.ds-typing-dots {
    display: flex;
    gap: 4px;
    padding: var(--ds-spacing-sm) var(--ds-spacing-md);
    background: var(--ds-surface-primary);
    border-radius: var(--ds-radius-lg);
    border: 1px solid var(--ds-border-light);
}

.ds-typing-dot {
    width: 8px;
    height: 8px;
    background: var(--ds-gray-400);
    border-radius: 50%;
    animation: ds-typing 1.4s ease-in-out infinite;
}

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

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

/* ===========================
   6. Chat Input Area
   =========================== */
.ds-chat-input-container {
    padding: var(--ds-spacing-lg);
    background: var(--ds-surface-primary);
    border-top: 1px solid var(--ds-border-light);
}

.ds-input-wrapper {
    position: relative;
    background: var(--ds-surface-secondary);
    border-radius: var(--ds-radius-lg);
    border: 2px solid transparent;
    transition: all var(--ds-transition-fast);
}

.ds-input-wrapper:focus-within {
    border-color: var(--ds-brand-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.ds-chat-input {
    width: 100%;
    padding: var(--ds-spacing-md) var(--ds-spacing-md);
    padding-right: 120px;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--ds-font-sans);
    font-size: var(--ds-text-base);
    color: var(--ds-text-primary);
    resize: none;
    min-height: 52px;
    max-height: 120px;
}

.ds-chat-input::placeholder {
    color: var(--ds-text-tertiary);
}

.ds-input-actions {
    position: absolute;
    right: var(--ds-spacing-sm);
    bottom: var(--ds-spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-xs);
}

.ds-input-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--ds-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-text-tertiary);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
}

.ds-input-btn:hover {
    background: var(--ds-surface-tertiary);
    color: var(--ds-text-primary);
}

.ds-send-btn {
    padding: 0 var(--ds-spacing-md);
    height: 36px;
    background: linear-gradient(135deg, var(--ds-brand-primary), var(--ds-brand-secondary));
    color: white;
    border: none;
    border-radius: var(--ds-radius-md);
    font-weight: var(--ds-font-medium);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-xs);
}

.ds-send-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--ds-shadow-md);
}

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

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

/* Input Footer */
.ds-input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--ds-spacing-sm);
    padding: 0 var(--ds-spacing-xs);
}

.ds-char-counter {
    font-size: var(--ds-text-xs);
    color: var(--ds-text-tertiary);
}

.ds-char-counter.warning {
    color: var(--ds-warning);
}

.ds-char-counter.danger {
    color: var(--ds-error);
}

.ds-model-selector {
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-xs);
}

.ds-model-chip {
    padding: 4px 10px;
    background: var(--ds-surface-secondary);
    border: 1px solid var(--ds-border-light);
    border-radius: var(--ds-radius-full);
    font-size: var(--ds-text-xs);
    color: var(--ds-text-secondary);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
}

.ds-model-chip.active {
    background: var(--ds-brand-primary);
    border-color: var(--ds-brand-primary);
    color: white;
}

.ds-model-chip:hover:not(.active) {
    background: var(--ds-surface-tertiary);
}

/* ===========================
   7. Floating Action Button
   =========================== */
.ds-chat-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--ds-brand-primary), var(--ds-brand-secondary));
    border-radius: var(--ds-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    box-shadow: var(--ds-shadow-xl);
    transition: all var(--ds-transition-base);
    z-index: var(--ds-z-fixed);
}

.ds-chat-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--ds-shadow-2xl);
}

.ds-chat-fab:active {
    transform: scale(1.05);
}

.ds-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    background: var(--ds-error);
    border-radius: var(--ds-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ds-text-xs);
    font-weight: var(--ds-font-bold);
    color: white;
    border: 2px solid var(--ds-surface-primary);
}

/* ===========================
   8. Settings Panel
   =========================== */
.ds-settings-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    background: var(--ds-surface-primary);
    box-shadow: var(--ds-shadow-xl);
    transform: translateX(100%);
    transition: transform var(--ds-transition-base);
    z-index: 10;
    display: flex;
    flex-direction: column;
}

.ds-settings-panel.active {
    transform: translateX(0);
}

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

.ds-settings-title {
    font-size: var(--ds-text-lg);
    font-weight: var(--ds-font-semibold);
    color: var(--ds-text-primary);
}

.ds-settings-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--ds-spacing-lg);
}

.ds-setting-group {
    margin-bottom: var(--ds-spacing-lg);
}

.ds-setting-label {
    display: block;
    margin-bottom: var(--ds-spacing-sm);
    font-size: var(--ds-text-sm);
    font-weight: var(--ds-font-medium);
    color: var(--ds-text-primary);
}

.ds-toggle {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--ds-gray-300);
    border-radius: var(--ds-radius-full);
    cursor: pointer;
    transition: background var(--ds-transition-fast);
}

.ds-toggle.active {
    background: var(--ds-brand-primary);
}

.ds-toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--ds-radius-full);
    transition: transform var(--ds-transition-fast);
    box-shadow: var(--ds-shadow-sm);
}

.ds-toggle.active .ds-toggle-slider {
    transform: translateX(24px);
}

/* ===========================
   9. Animations
   =========================== */
@keyframes ds-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ds-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes ds-typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

@keyframes ds-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(-5deg);
    }
    75% {
        transform: translateY(20px) rotate(3deg);
    }
}

/* ===========================
   10. Responsive Design
   =========================== */
@media (max-width: 768px) {
    .ds-chat-container.ds-floating {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
    
    .ds-settings-panel {
        width: 100%;
    }
    
    .ds-message-content {
        max-width: 85%;
    }
}

@media (max-width: 480px) {
    .ds-chat-header {
        padding: var(--ds-spacing-md);
    }
    
    .ds-chat-messages {
        padding: var(--ds-spacing-md);
    }
    
    .ds-chat-input-container {
        padding: var(--ds-spacing-md);
    }
    
    .ds-model-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ds-spacing-xs);
    }
}

/* ===========================
   11. Loading States
   =========================== */
.ds-skeleton {
    background: linear-gradient(
        90deg,
        var(--ds-gray-200) 25%,
        var(--ds-gray-100) 50%,
        var(--ds-gray-200) 75%
    );
    background-size: 200% 100%;
    animation: ds-skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--ds-radius-md);
}

@keyframes ds-skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ===========================
   12. Tooltips
   =========================== */
.ds-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 12px;
    background: var(--ds-gray-900);
    color: white;
    font-size: var(--ds-text-xs);
    border-radius: var(--ds-radius-md);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--ds-transition-fast);
    z-index: var(--ds-z-tooltip);
}

.ds-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--ds-gray-900);
}

*[data-tooltip]:hover .ds-tooltip {
    opacity: 1;
}

/* ===========================
   13. Code Blocks
   =========================== */
.ds-code-block {
    position: relative;
    margin: var(--ds-spacing-md) 0;
    background: var(--ds-gray-900);
    border-radius: var(--ds-radius-md);
    overflow: hidden;
}

.ds-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ds-spacing-sm) var(--ds-spacing-md);
    background: var(--ds-gray-950);
    border-bottom: 1px solid var(--ds-gray-800);
}

.ds-code-lang {
    font-size: var(--ds-text-xs);
    color: var(--ds-gray-400);
    font-weight: var(--ds-font-medium);
}

.ds-code-copy {
    padding: 4px 8px;
    background: var(--ds-gray-800);
    border: none;
    border-radius: var(--ds-radius-sm);
    color: var(--ds-gray-300);
    font-size: var(--ds-text-xs);
    cursor: pointer;
    transition: all var(--ds-transition-fast);
}

.ds-code-copy:hover {
    background: var(--ds-gray-700);
    color: white;
}

.ds-code-content {
    padding: var(--ds-spacing-md);
    overflow-x: auto;
    font-family: var(--ds-font-mono);
    font-size: var(--ds-text-sm);
    line-height: 1.6;
    color: var(--ds-gray-100);
}

.ds-code-content::-webkit-scrollbar {
    height: 6px;
}

.ds-code-content::-webkit-scrollbar-track {
    background: var(--ds-gray-800);
}

.ds-code-content::-webkit-scrollbar-thumb {
    background: var(--ds-gray-600);
    border-radius: var(--ds-radius-full);
}

/* ===========================
   14. Error States
   =========================== */
.ds-error-message {
    padding: var(--ds-spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--ds-error);
    border-radius: var(--ds-radius-md);
    color: var(--ds-error);
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-sm);
    margin: var(--ds-spacing-md) 0;
}

.ds-error-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

/* ===========================
   15. Success States
   =========================== */
.ds-success-message {
    padding: var(--ds-spacing-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--ds-success);
    border-radius: var(--ds-radius-md);
    color: var(--ds-success);
    display: flex;
    align-items: center;
    gap: var(--ds-spacing-sm);
    margin: var(--ds-spacing-md) 0;
}

/* ===========================
   16. Setup Notice
   =========================== */
.deepseek-setup-notice {
    background: linear-gradient(135deg, var(--ds-primary-light) 0%, var(--ds-primary) 100%);
    color: white;
    padding: var(--ds-spacing-lg);
    border-radius: var(--ds-radius-lg);
    margin: var(--ds-spacing-md);
}

.deepseek-setup-notice h4 {
    margin: 0 0 var(--ds-spacing-md) 0;
    font-size: 1.2rem;
    color: white;
}

.deepseek-setup-notice p {
    margin: var(--ds-spacing-sm) 0;
    color: rgba(255, 255, 255, 0.95);
}

.deepseek-setup-notice ol {
    margin: var(--ds-spacing-md) 0;
    padding-left: var(--ds-spacing-lg);
    color: rgba(255, 255, 255, 0.95);
}

.deepseek-setup-notice li {
    margin: var(--ds-spacing-sm) 0;
}

.deepseek-setup-notice a {
    color: white;
    font-weight: 600;
    text-decoration: underline;
    transition: opacity 0.2s;
}

.deepseek-setup-notice a:hover {
    opacity: 0.8;
}

.deepseek-setup-notice strong {
    color: white;
    font-weight: 600;
}

/* ===========================
   17. Print Styles
   =========================== */
@media print {
    .ds-chat-header,
    .ds-chat-input-container,
    .ds-header-actions,
    .ds-message-actions,
    .ds-settings-panel,
    .ds-chat-fab {
        display: none !important;
    }
    
    .ds-chat-messages {
        height: auto !important;
        overflow: visible !important;
    }
    
    .ds-message-content {
        max-width: 100% !important;
    }
}