/* Professional Kimi AI Chat Widget - Modern Design System */

/* CSS Reset for Widget */
.kimi-chat-widget,
.kimi-chat-widget * {
    box-sizing: border-box;
}

/* Professional CSS Variables */
:root {
    /* Brand Colors */
    --kimi-primary-color: #6366F1;
    --kimi-primary-hover: #4F46E5;
    --kimi-primary-light: #EEF2FF;
    --kimi-primary-dark: #3730A3;
    --kimi-secondary-color: #64748B;
    --kimi-accent-color: #EC4899;
    --kimi-success-color: #10B981;
    --kimi-error-color: #EF4444;
    --kimi-warning-color: #F59E0B;
    
    /* Background Colors */
    --kimi-bg-primary: #FFFFFF;
    --kimi-bg-secondary: #F8FAFC;
    --kimi-bg-tertiary: #F1F5F9;
    --kimi-bg-chat: #FAFBFC;
    --kimi-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Text Colors */
    --kimi-text-primary: #0F172A;
    --kimi-text-secondary: #64748B;
    --kimi-text-tertiary: #94A3B8;
    --kimi-text-inverse: #FFFFFF;
    
    /* Border & Shadow */
    --kimi-border-color: #E2E8F0;
    --kimi-border-light: #F1F5F9;
    --kimi-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --kimi-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --kimi-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --kimi-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --kimi-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --kimi-shadow-glow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    --kimi-shadow-glow-intense: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Spacing & Radius */
    --kimi-radius-sm: 8px;
    --kimi-radius: 12px;
    --kimi-radius-lg: 16px;
    --kimi-radius-xl: 24px;
    --kimi-radius-full: 9999px;
    
    /* Transitions */
    --kimi-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --kimi-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --kimi-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --kimi-transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Theme Variables */
.kimi-theme-dark {
    --kimi-primary-color: #A78BFA;
    --kimi-primary-hover: #8B5CF6;
    --kimi-primary-light: #4C1D95;
    --kimi-secondary-color: #94A3B8;
    --kimi-success-color: #34D399;
    --kimi-error-color: #F87171;
    
    --kimi-bg-primary: #1E293B;
    --kimi-bg-secondary: #0F172A;
    --kimi-bg-tertiary: #0F172A;
    --kimi-bg-chat: #1A202C;
    
    --kimi-text-primary: #F8FAFC;
    --kimi-text-secondary: #CBD5E1;
    --kimi-text-tertiary: #94A3B8;
    
    --kimi-border-color: #334155;
    --kimi-border-light: #1E293B;
    --kimi-shadow-glow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

/* Auto Theme (System Preference) */
@media (prefers-color-scheme: dark) {
    .kimi-theme-auto {
        --kimi-primary-color: #A78BFA;
        --kimi-primary-hover: #8B5CF6;
        --kimi-primary-light: #4C1D95;
        --kimi-secondary-color: #94A3B8;
        --kimi-success-color: #34D399;
        --kimi-error-color: #F87171;
        
        --kimi-bg-primary: #1E293B;
        --kimi-bg-secondary: #0F172A;
        --kimi-bg-tertiary: #0F172A;
        --kimi-bg-chat: #1A202C;
        
        --kimi-text-primary: #F8FAFC;
        --kimi-text-secondary: #CBD5E1;
        --kimi-text-tertiary: #94A3B8;
        
        --kimi-border-color: #334155;
        --kimi-border-light: #1E293B;
        --kimi-shadow-glow: 0 0 0 3px rgba(167, 139, 250, 0.1);
    }
}

/* Main Widget Container */
.kimi-chat-widget {
    position: fixed;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Widget Positioning */
.kimi-position-bottom-right {
    bottom: 20px;
    right: 20px;
}

.kimi-position-bottom-left {
    bottom: 20px;
    left: 20px;
}

.kimi-position-top-right {
    top: 20px;
    right: 20px;
}

.kimi-position-top-left {
    top: 20px;
    left: 20px;
}

/* Professional Floating Action Button */
.kimi-fab-container {
    position: relative;
    display: inline-block;
}

/* Ensure all icon colors are visible */
.kimi-fab svg,
.kimi-action-btn svg,
.kimi-header-btn svg {
    color: currentColor;
    fill: currentColor;
}

.kimi-fab {
    width: 60px;
    height: 60px;
    border-radius: var(--kimi-radius-full);
    background: var(--kimi-bg-gradient);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--kimi-shadow-lg);
    transition: var(--kimi-transition-bounce);
    position: relative;
    overflow: hidden;
    color: white;
}

.kimi-fab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.kimi-fab:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--kimi-shadow-2xl), var(--kimi-shadow-glow-intense);
}

.kimi-fab:hover::before {
    opacity: 1;
}

.kimi-fab:active {
    transform: scale(0.95);
}

.kimi-fab:focus-visible {
    outline: none;
    box-shadow: var(--kimi-shadow-lg), 0 0 0 4px var(--kimi-primary-light);
}

.kimi-fab-icon {
    position: relative;
    z-index: 2;
}

.kimi-fab-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    transition: var(--kimi-transition);
}

.kimi-chat-icon,
.kimi-close-icon {
    position: absolute;
    transition: opacity 0.3s, transform 0.3s;
}

.kimi-chat-widget[data-state="closed"] .kimi-close-icon {
    opacity: 0;
    transform: rotate(-90deg);
}

.kimi-chat-widget[data-state="open"] .kimi-chat-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.kimi-chat-widget[data-state="open"] .kimi-close-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Tooltip */
.kimi-fab-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--kimi-text-primary);
    color: var(--kimi-text-inverse);
    padding: 8px 12px;
    border-radius: var(--kimi-radius-sm);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--kimi-transition);
    box-shadow: var(--kimi-shadow-md);
}

.kimi-fab-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--kimi-text-primary);
}

.kimi-fab:hover .kimi-fab-tooltip {
    opacity: 1;
}

/* Pulse Ring Animation */
.kimi-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 2px solid var(--kimi-primary-color);
    border-radius: var(--kimi-radius-full);
    animation: pulse-ring 2s ease-out infinite;
    pointer-events: none;
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0;
    }
}

/* Notification Badge */
.kimi-notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--kimi-error-color);
    color: white;
    border-radius: var(--kimi-radius-full);
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 600;
    display: none;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--kimi-bg-primary);
    animation: badge-bounce 2s ease-in-out infinite;
    box-shadow: var(--kimi-shadow-md);
}

@keyframes badge-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* Chat Window */
.kimi-chat-window {
    position: absolute;
    width: 400px;
    height: 640px;
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 100px);
    background: var(--kimi-bg-primary);
    border-radius: var(--kimi-radius-lg);
    box-shadow: var(--kimi-shadow-xl);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    pointer-events: none;
    transition: var(--kimi-transition);
    border: 1px solid var(--kimi-border-color);
    overflow: hidden;
}

/* Position chat window based on toggle position */
.kimi-position-bottom-right .kimi-chat-window {
    bottom: 80px;
    right: 0;
}

.kimi-position-bottom-left .kimi-chat-window {
    bottom: 80px;
    left: 0;
}

.kimi-position-top-right .kimi-chat-window {
    top: 80px;
    right: 0;
}

.kimi-position-top-left .kimi-chat-window {
    top: 80px;
    left: 0;
}

/* Open state */
.kimi-chat-widget[data-state="open"] .kimi-chat-window {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

/* Professional Chat Header */
.kimi-chat-header {
    padding: 0;
    border-bottom: 1px solid var(--kimi-border-color);
    background: var(--kimi-bg-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.kimi-header-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--kimi-primary-light) 0%, transparent 100%);
    opacity: 0.3;
}

.kimi-chat-header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.kimi-avatar-container {
    position: relative;
}

.kimi-avatar-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
}

.kimi-chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--kimi-radius-full);
    background: var(--kimi-bg-primary);
    padding: 4px;
    box-shadow: var(--kimi-shadow-md);
    border: 2px solid var(--kimi-primary-light);
}

.kimi-avatar-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background: var(--kimi-success-color);
    border-radius: var(--kimi-radius-full);
    border: 3px solid var(--kimi-bg-primary);
    box-shadow: var(--kimi-shadow-sm);
    animation: status-pulse 2s ease-in-out infinite;
}

@keyframes status-pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% { 
        transform: scale(1.1); 
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.4);
    }
}

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

.kimi-chat-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--kimi-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--kimi-primary-color), var(--kimi-accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kimi-chat-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--kimi-text-secondary);
    margin: 4px 0 0 0;
}

.kimi-status-indicator {
    width: 8px;
    height: 8px;
    background: var(--kimi-success-color);
    border-radius: var(--kimi-radius-full);
    display: inline-block;
    animation: status-blink 2s ease-in-out infinite;
}

@keyframes status-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.kimi-status-text {
    font-weight: 500;
    color: var(--kimi-success-color);
}

.kimi-status-dot {
    color: var(--kimi-text-tertiary);
    margin: 0 4px;
}

.kimi-response-time {
    color: var(--kimi-text-tertiary);
    font-size: 11px;
}

.kimi-chat-header-actions {
    padding: 20px;
    position: relative;
    z-index: 1;
}

.kimi-header-btn {
    background: none;
    border: none;
    color: var(--kimi-text-secondary);
    cursor: pointer;
    padding: 10px;
    border-radius: var(--kimi-radius);
    transition: var(--kimi-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.kimi-header-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    color: var(--kimi-text-primary);
    transform: scale(1.1);
}

.kimi-header-btn:active {
    transform: scale(0.9);
}

/* Enhanced Messages Container */
.kimi-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--kimi-bg-chat);
    scroll-behavior: smooth;
    position: relative;
}

.kimi-chat-messages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, var(--kimi-bg-chat), transparent);
    pointer-events: none;
    z-index: 1;
}

/* Custom Scrollbar */
.kimi-chat-messages::-webkit-scrollbar {
    width: 4px;
}

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

.kimi-chat-messages::-webkit-scrollbar-thumb {
    background: var(--kimi-border-color);
    border-radius: 2px;
}

.kimi-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--kimi-secondary-color);
}

/* Date Divider */
.kimi-date-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    opacity: 0.6;
}

.kimi-date-divider::before,
.kimi-date-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--kimi-border-color);
}

.kimi-date-text {
    padding: 0 16px;
    font-size: 12px;
    color: var(--kimi-text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Quick Actions */
.kimi-quick-actions {
    display: flex;
    gap: 8px;
    margin: 16px 0 24px 0;
    flex-wrap: wrap;
}

.kimi-quick-action {
    background: var(--kimi-bg-primary);
    border: 1px solid var(--kimi-border-color);
    border-radius: var(--kimi-radius-xl);
    padding: 8px 12px;
    font-size: 13px;
    color: var(--kimi-text-secondary);
    cursor: pointer;
    transition: var(--kimi-transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--kimi-shadow-sm);
}

.kimi-quick-action:hover {
    background: var(--kimi-primary-light);
    border-color: var(--kimi-primary-color);
    color: var(--kimi-primary-color);
    transform: translateY(-2px);
    box-shadow: var(--kimi-shadow-md);
}

.kimi-quick-icon {
    font-size: 14px;
}

/* Enhanced Message Styles */
.kimi-message {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    opacity: 0;
    animation: messageSlideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.kimi-message-animated {
    animation-delay: 0.2s;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.kimi-message-avatar {
    flex-shrink: 0;
}

.kimi-avatar-wrapper {
    position: relative;
    width: 40px;
    height: 40px;
}

.kimi-message-avatar-img {
    width: 40px;
    height: 40px;
    border-radius: var(--kimi-radius-full);
    box-shadow: var(--kimi-shadow-sm);
    border: 2px solid var(--kimi-bg-primary);
}

.kimi-avatar-status-small {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: var(--kimi-success-color);
    border-radius: var(--kimi-radius-full);
    border: 2px solid var(--kimi-bg-primary);
    box-shadow: var(--kimi-shadow-sm);
}

.kimi-typing-pulse {
    animation: typing-pulse 1s ease-in-out infinite;
}

@keyframes typing-pulse {
    0%, 100% { 
        background: var(--kimi-success-color);
    }
    50% { 
        background: var(--kimi-primary-color);
    }
}

.kimi-message-user .kimi-message-avatar {
    display: none;
}

.kimi-message-content {
    max-width: 75%;
}

.kimi-message-user .kimi-message-content {
    margin-left: auto;
}

.kimi-message-bubble {
    position: relative;
    background: var(--kimi-bg-primary);
    border-radius: var(--kimi-radius-lg);
    border-bottom-left-radius: 4px;
    padding: 16px 20px;
    box-shadow: var(--kimi-shadow-md);
    border: 1px solid var(--kimi-border-light);
    transition: var(--kimi-transition-fast);
}

.kimi-message-bubble:hover {
    box-shadow: var(--kimi-shadow-lg);
    transform: translateY(-2px);
}

.kimi-message-text {
    color: var(--kimi-text-primary);
    margin: 0 0 8px 0;
    word-wrap: break-word;
    line-height: 1.6;
    font-size: 14px;
}

.kimi-message-user .kimi-message-bubble {
    background: linear-gradient(135deg, var(--kimi-primary-color), var(--kimi-primary-hover));
    color: white;
    border-bottom-left-radius: var(--kimi-radius-lg);
    border-bottom-right-radius: 4px;
    border: none;
    box-shadow: var(--kimi-shadow-lg);
}

.kimi-message-user .kimi-message-text {
    color: white;
}

.kimi-message-time {
    font-size: 11px;
    color: var(--kimi-text-tertiary);
    opacity: 0;
    transition: opacity 0.2s ease;
    font-weight: 500;
}

.kimi-message:hover .kimi-message-time {
    opacity: 1;
}

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

/* Enhanced Typing Indicator */
.kimi-typing-bubble {
    background: var(--kimi-bg-primary);
    border: 1px solid var(--kimi-border-light);
    animation: typing-bubble-pulse 1.5s ease-in-out infinite;
}

@keyframes typing-bubble-pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: var(--kimi-shadow-md);
    }
    50% { 
        transform: scale(1.02); 
        box-shadow: var(--kimi-shadow-lg);
    }
}

.kimi-typing-animation {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kimi-typing-dots {
    display: flex;
    gap: 4px;
}

.kimi-typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--kimi-primary-color);
    border-radius: var(--kimi-radius-full);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.kimi-typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.kimi-typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0.8) translateY(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2) translateY(-4px);
        opacity: 1;
    }
}

.kimi-typing-text {
    font-size: 12px;
    color: var(--kimi-text-tertiary);
    font-style: italic;
    opacity: 0.8;
}

/* Professional Input Area */
.kimi-chat-footer {
    padding: 0;
    border-top: 1px solid var(--kimi-border-color);
    background: var(--kimi-bg-primary);
    position: relative;
}

.kimi-input-container {
    padding: 20px;
    position: relative;
}

.kimi-input-wrapper {
    position: relative;
}

.kimi-input-field {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--kimi-bg-secondary);
    border: 2px solid var(--kimi-border-color);
    border-radius: var(--kimi-radius-xl);
    padding: 8px 12px;
    transition: var(--kimi-transition-fast);
    box-shadow: var(--kimi-shadow-sm);
}

.kimi-input-field:focus-within {
    border-color: var(--kimi-primary-color);
    background: var(--kimi-bg-primary);
    box-shadow: 0 0 0 3px var(--kimi-primary-light), var(--kimi-shadow-md);
}

.kimi-message-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 14px;
    color: var(--kimi-text-primary);
    resize: none;
    max-height: 120px;
    line-height: 1.5;
    font-family: inherit;
    padding: 8px 0;
}

.kimi-message-input::placeholder {
    color: var(--kimi-text-tertiary);
}

.kimi-input-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kimi-action-btn {
    background: none;
    border: none;
    color: var(--kimi-text-tertiary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--kimi-radius);
    transition: var(--kimi-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.kimi-action-btn:hover {
    background: var(--kimi-primary-light);
    color: var(--kimi-primary-color);
    transform: scale(1.1);
}

.kimi-send-button {
    width: 40px;
    height: 40px;
    background: var(--kimi-primary-color);
    border: none;
    border-radius: var(--kimi-radius-full);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--kimi-transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--kimi-shadow-md);
}

.kimi-send-button svg {
    width: 20px;
    height: 20px;
    fill: white !important;
    color: white !important;
    position: relative;
    z-index: 2;
}

.kimi-send-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.kimi-send-button:hover:not(:disabled) {
    background: var(--kimi-primary-hover);
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--kimi-shadow-lg), var(--kimi-shadow-glow);
}

.kimi-send-button:hover:not(:disabled)::before {
    opacity: 1;
}

.kimi-send-button:active:not(:disabled) {
    transform: scale(0.9);
}

.kimi-send-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--kimi-text-tertiary);
}

.kimi-send-button:disabled svg {
    fill: rgba(255, 255, 255, 0.8) !important;
}

.kimi-send-icon {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kimi-send-icon svg path {
    fill: white !important;
}

.kimi-send-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--kimi-radius-full);
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.kimi-send-button:active:not(:disabled) .kimi-send-ripple {
    width: 50px;
    height: 50px;
}

.kimi-input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding: 0 4px;
}

.kimi-char-counter {
    font-size: 12px;
    color: var(--kimi-text-tertiary);
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 2px;
}

.kimi-char-counter.kimi-char-warning {
    color: var(--kimi-warning-color);
    font-weight: 600;
}

.kimi-char-separator {
    opacity: 0.5;
}

.kimi-input-hint {
    font-size: 11px;
    color: var(--kimi-text-tertiary);
    opacity: 0.8;
}

/* Chat Branding */
.kimi-chat-branding {
    padding: 12px 20px;
    background: var(--kimi-bg-secondary);
    border-top: 1px solid var(--kimi-border-light);
}

.kimi-powered-by {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--kimi-text-tertiary);
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.kimi-powered-by:hover {
    opacity: 1;
}

.kimi-powered-text {
    font-weight: 500;
}

.kimi-brand-link {
    color: var(--kimi-primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--kimi-transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.kimi-brand-link:hover {
    color: var(--kimi-primary-hover);
    transform: translateY(-1px);
}

.kimi-brand-name {
    background: linear-gradient(135deg, var(--kimi-primary-color), var(--kimi-accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Error Message Styles */
.kimi-error-message {
    background: linear-gradient(135deg, var(--kimi-error-color), #DC2626);
    color: white;
    padding: 12px 16px;
    border-radius: var(--kimi-radius);
    margin: 0 20px 16px;
    font-size: 13px;
    animation: shakeError 0.4s ease-in-out;
    box-shadow: var(--kimi-shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Professional Kimi AI Enhancements */
.kimi-chat-title {
    position: relative;
}

.kimi-chat-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--kimi-primary-color), var(--kimi-accent-color));
    border-radius: 1px;
    opacity: 0.6;
}

/* Professional Input Enhancements */
.kimi-message-input::placeholder {
    color: var(--kimi-text-tertiary);
    font-style: italic;
}

.kimi-message-input:focus::placeholder {
    color: var(--kimi-primary-color);
    opacity: 0.7;
}

/* Professional Send Button */
.kimi-send-button {
    position: relative;
    overflow: hidden;
}

.kimi-send-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.kimi-send-button:hover::before {
    width: 100px;
    height: 100px;
}

/* Professional status indicators */
.kimi-status-indicator {
    position: relative;
}

.kimi-status-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--kimi-success-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: kimi-status-ripple 2s ease-out infinite;
    opacity: 0.3;
}

@keyframes kimi-status-ripple {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
}

/* SEO and Accessibility Enhancements */
.kimi-chat-widget h1, .kimi-chat-widget h2, .kimi-chat-widget h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.kimi-chat-widget [role="button"] {
    cursor: pointer;
}

.kimi-chat-widget [aria-label] {
    position: relative;
}

/* Enhanced focus states for accessibility */
.kimi-chat-widget *:focus-visible {
    outline: 2px solid var(--kimi-primary-color);
    outline-offset: 2px;
    border-radius: var(--kimi-radius-sm);
    box-shadow: 0 0 0 4px var(--kimi-primary-light);
}

/* Professional loading states */
.kimi-loading {
    position: relative;
    pointer-events: none;
}

.kimi-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    z-index: 1000;
}

.kimi-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--kimi-primary-light);
    border-top: 2px solid var(--kimi-primary-color);
    border-radius: 50%;
    animation: kimi-spinner 1s linear infinite;
    z-index: 1001;
}

@keyframes kimi-spinner {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced Mobile Responsive */
@media (max-width: 768px) {
    .kimi-chat-window {
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
    }
    
    .kimi-position-bottom-right .kimi-chat-window,
    .kimi-position-bottom-left .kimi-chat-window,
    .kimi-position-top-right .kimi-chat-window,
    .kimi-position-top-left .kimi-chat-window {
        bottom: 0;
        left: 0;
        right: 0;
        top: 0;
    }
    
    .kimi-fab {
        width: 56px;
        height: 56px;
    }
    
    .kimi-fab-icon svg {
        width: 22px;
        height: 22px;
    }
    
    .kimi-chat-header-content {
        padding: 16px;
    }
    
    .kimi-chat-header-actions {
        padding: 16px;
    }
    
    .kimi-chat-title {
        font-size: 16px;
    }
    
    .kimi-chat-messages {
        padding: 16px;
    }
    
    .kimi-input-container {
        padding: 16px;
    }
    
    .kimi-chat-branding {
        padding: 8px 16px;
    }
    
    .kimi-message-content {
        max-width: 85%;
    }
    
    .kimi-quick-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    
    .kimi-quick-action {
        justify-content: center;
        min-width: auto;
        padding: 12px 16px;
    }
    
    .kimi-ai-branding {
        justify-content: center;
        margin: 6px 0;
    }
}

@media (max-width: 480px) {
    .kimi-fab {
        width: 52px;
        height: 52px;
    }
    
    .kimi-chat-avatar {
        width: 40px;
        height: 40px;
    }
    
    .kimi-message-avatar-img {
        width: 32px;
        height: 32px;
    }
    
    .kimi-avatar-wrapper {
        width: 32px;
        height: 32px;
    }
}

/* Accessibility */
.screen-reader-text {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    .kimi-chat-messages {
        scroll-behavior: smooth;
    }
}

/* Focus Styles */
.kimi-chat-widget *:focus-visible {
    outline: 2px solid var(--kimi-primary-color);
    outline-offset: 2px;
}

/* Loading State */
.kimi-loading {
    pointer-events: none;
    opacity: 0.7;
}

/* Animations for Professional Feel */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.kimi-position-bottom-right[data-state="open"] .kimi-chat-window,
.kimi-position-top-right[data-state="open"] .kimi-chat-window {
    animation: slideInRight 0.3s ease-out;
}

.kimi-position-bottom-left[data-state="open"] .kimi-chat-window,
.kimi-position-top-left[data-state="open"] .kimi-chat-window {
    animation: slideInLeft 0.3s ease-out;
}

/* Print Styles */
@media print {
    .kimi-chat-widget {
        display: none;
    }
}

/* Inline Widget Styles (Shortcode) */
.kimi-chat-inline-wrapper {
    border: 1px solid var(--kimi-border-color);
    border-radius: var(--kimi-radius-lg);
    overflow: hidden;
    box-shadow: var(--kimi-shadow-lg);
    background: var(--kimi-bg-primary);
}

.kimi-chat-inline {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--kimi-bg-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Apply same theme variables */
.kimi-chat-inline.kimi-theme-light {
    /* Light theme is default */
}

.kimi-chat-inline.kimi-theme-dark {
    --kimi-primary-color: #A78BFA;
    --kimi-primary-hover: #8B5CF6;
    --kimi-primary-light: #4C1D95;
    --kimi-secondary-color: #94A3B8;
    --kimi-success-color: #34D399;
    --kimi-error-color: #F87171;
    
    --kimi-bg-primary: #1E293B;
    --kimi-bg-secondary: #0F172A;
    --kimi-bg-tertiary: #0F172A;
    --kimi-bg-chat: #1A202C;
    
    --kimi-text-primary: #F8FAFC;
    --kimi-text-secondary: #CBD5E1;
    --kimi-text-tertiary: #94A3B8;
    
    --kimi-border-color: #334155;
    --kimi-border-light: #1E293B;
    --kimi-shadow-glow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.kimi-chat-inline .kimi-chat-header {
    flex-shrink: 0;
    padding: 20px;
    border-bottom: 1px solid var(--kimi-border-color);
    background: var(--kimi-bg-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kimi-chat-inline .kimi-chat-messages {
    flex: 1;
    min-height: 200px;
    overflow-y: auto;
    padding: 24px 20px;
    background: var(--kimi-bg-chat);
    scroll-behavior: smooth;
}

.kimi-chat-inline .kimi-chat-footer {
    flex-shrink: 0;
    padding: 20px;
    border-top: 1px solid var(--kimi-border-color);
    background: var(--kimi-bg-primary);
}

/* Ensure all child elements use the same styles */
.kimi-chat-inline .kimi-message,
.kimi-chat-inline .kimi-message-text,
.kimi-chat-inline .kimi-send-button,
.kimi-chat-inline .kimi-message-input {
    /* Inherit styles from main widget */
}

/* Enhanced Responsive inline widget */
@media (max-width: 768px) {
    .kimi-chat-inline-wrapper {
        height: 500px !important;
    }
    
    .kimi-chat-inline .kimi-chat-header-content {
        padding: 16px;
    }
    
    .kimi-chat-inline .kimi-chat-messages {
        padding: 16px;
    }
    
    .kimi-chat-inline .kimi-input-container {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .kimi-chat-inline-wrapper {
        height: 400px !important;
    }
    
    .kimi-chat-inline .kimi-chat-title {
        font-size: 16px;
    }
    
    .kimi-chat-inline .kimi-chat-avatar {
        width: 40px;
        height: 40px;
    }
}

/* Additional Professional Enhancements */
.kimi-message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    border-radius: inherit;
    pointer-events: none;
}

.kimi-message-user .kimi-message-bubble::before {
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
}

/* Smooth focus indicators */
.kimi-chat-widget *:focus-visible {
    outline: 2px solid var(--kimi-primary-color);
    outline-offset: 2px;
    border-radius: var(--kimi-radius-sm);
}

/* Loading animations */
.kimi-loading {
    pointer-events: none;
    opacity: 0.7;
    filter: grayscale(0.3);
}

/* Welcome message enhancement */
.kimi-welcome-message .kimi-message-bubble {
    background: linear-gradient(135deg, var(--kimi-primary-light), var(--kimi-bg-primary));
    border: 1px solid var(--kimi-primary-light);
    position: relative;
    overflow: hidden;
}

.kimi-welcome-message .kimi-message-bubble::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* Kimi AI Branding */
.kimi-ai-branding {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 8px 0 4px 0;
    font-size: 11px;
    opacity: 0.8;
}

.kimi-powered-label {
    color: var(--kimi-text-tertiary);
    font-weight: 400;
}

.kimi-ai-brand {
    color: var(--kimi-primary-color);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--kimi-primary-color), var(--kimi-accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Brand Link */
.kimi-brand-link {
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--kimi-transition-fast);
}

.kimi-brand-link:hover {
    transform: translateY(-1px);
}

.kimi-model-name {
    font-size: 10px;
    color: var(--kimi-text-tertiary);
    font-weight: 500;
    opacity: 0.7;
}

.kimi-brand-name {
    font-weight: 700;
    font-size: 12px;
}

/* Professional Quick Actions */
.kimi-quick-actions {
    display: flex;
    gap: 8px;
    margin: 16px 0 24px 0;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 8px;
}

.kimi-quick-action {
    background: var(--kimi-bg-primary);
    border: 1px solid var(--kimi-border-color);
    border-radius: var(--kimi-radius-xl);
    padding: 10px 14px;
    font-size: 12px;
    color: var(--kimi-text-secondary);
    cursor: pointer;
    transition: var(--kimi-transition-bounce);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--kimi-shadow-sm);
    font-weight: 500;
    min-width: 120px;
    justify-content: center;
}

.kimi-quick-action:hover {
    background: var(--kimi-primary-light);
    border-color: var(--kimi-primary-color);
    color: var(--kimi-primary-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--kimi-shadow-lg);
}

.kimi-quick-action:active {
    transform: translateY(-1px) scale(0.98);
}

.kimi-quick-icon {
    font-size: 16px;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

/* Kimi AI Introduction */
.kimi-ai-intro {
    background: linear-gradient(135deg, var(--kimi-primary-light) 0%, var(--kimi-bg-primary) 100%);
    border-radius: var(--kimi-radius-lg);
    padding: 20px;
    margin: 16px 0 24px 0;
    border: 1px solid var(--kimi-primary-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.kimi-ai-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: kimi-intro-shine 3s ease-in-out infinite;
}

@keyframes kimi-intro-shine {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(100%); }
}

.kimi-intro-content {
    position: relative;
    z-index: 1;
}

.kimi-intro-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--kimi-primary-color);
    margin: 0 0 8px 0;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, var(--kimi-primary-color), var(--kimi-accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kimi-intro-text {
    font-size: 13px;
    color: var(--kimi-text-secondary);
    margin: 0;
    font-weight: 500;
}

/* Professional animations */
@keyframes kimi-brand-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.kimi-ai-brand {
    animation: kimi-brand-pulse 3s ease-in-out infinite;
}

/* Print styles */
@media print {
    .kimi-chat-widget {
        display: none !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .kimi-chat-widget *,
    .kimi-chat-widget *::before,
    .kimi-chat-widget *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .kimi-chat-widget {
        --kimi-border-color: #000000;
        --kimi-text-tertiary: #666666;
        --kimi-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --kimi-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
        --kimi-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    }
}