/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ff6b6b 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Floating particles background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
                      radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
                      radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
                      radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.3), transparent);
    background-repeat: repeat;
    background-size: 150px 100px;
    animation: sparkle 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes sparkle {
    0% { transform: translateY(0px); opacity: 1; }
    100% { transform: translateY(-100px); opacity: 0; }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 25px;
    padding: 25px 35px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15), 
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 3s infinite;
}

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

.header:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 200% 200%;
    animation: gradientRotate 4s ease infinite;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: logoShine 2s infinite;
}

@keyframes gradientRotate {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes logoShine {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo img {
    height: 52px;
    object-fit: contain;
    z-index: 1;
    position: relative;
}

.ai-avatar img {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
}

.brand-info h1 {
    color: white;
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 500;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.status-dot {
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, #4ecdc4, #45b7d1);
    border-radius: 50%;
    animation: pulse 2s infinite, glow 2s infinite alternate;
    box-shadow: 0 0 15px #4ecdc4, 0 0 25px rgba(78, 205, 196, 0.3);
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes glow {
    0% { box-shadow: 0 0 15px #4ecdc4, 0 0 25px rgba(78, 205, 196, 0.3); }
    100% { box-shadow: 0 0 20px #4ecdc4, 0 0 35px rgba(78, 205, 196, 0.5); }
}

/* Hero Section */
.hero {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 25px;
    padding: 50px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15), 
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: heroGlow 6s linear infinite;
}

@keyframes heroGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

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

.hero-content h2 {
    color: white;
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #fff, #f0f8ff, #e6f3ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4); }
    100% { text-shadow: 0 4px 25px rgba(255, 255, 255, 0.3), 0 4px 15px rgba(0, 0, 0, 0.4); }
}

.hero-content p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 19px;
    margin-bottom: 35px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    font-weight: 500;
}

.features {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-weight: 600;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature:hover {
    transform: translateY(-3px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.feature i {
    font-size: 20px;
    color: #4ecdc4;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* Chat Container */
.chat-container {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25), 
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
    flex: 1;
    display: flex;
    flex-direction: column;
    max-height: 600px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    position: relative;
    transition: all 0.4s ease;
}

.chat-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3), 
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, #667eea, #764ba2, #5a67d8);
    background-size: 200% 200%;
    animation: headerGradient 8s ease infinite;
    color: white;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    position: relative;
    overflow: hidden;
}

@keyframes headerGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: headerShimmer 4s infinite;
}

@keyframes headerShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.ai-info {
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
    z-index: 1;
}

.ai-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.ai-details h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 3px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ai-status {
    font-size: 13px;
    opacity: 0.9;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.clear-chat {
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.clear-chat:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    max-height: 400px;
    position: relative;
}

.message {
    display: flex;
    margin-bottom: 25px;
    animation: slideInUp 0.5s ease;
    transition: all 0.3s ease;
}

.message:hover {
    transform: translateX(3px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.message-avatar {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 18px;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.message-avatar:hover {
    transform: scale(1.1) rotate(5deg);
}

.ai-message .message-avatar {
    background: linear-gradient(135deg, #667eea, #764ba2, #5a67d8);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.user-message .message-avatar {
    background: linear-gradient(135deg, #ff6b6b, #feca57, #ff9ff3);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.message-content {
    flex: 1;
    max-width: 70%;
}

.message-text {
    background: rgba(255, 255, 255, 0.95);
    padding: 18px 24px;
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
    position: relative;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.message-text:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.user-message .message-text {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

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

.user-message .message-avatar {
    margin-right: 0;
    margin-left: 18px;
}

.user-message .message-content {
    text-align: right;
}

.message-time {
    font-size: 12px;
    color: #64748b;
    margin-top: 8px;
    padding: 0 8px;
    font-weight: 500;
}

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

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    opacity: 0.8;
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 0.8;
        transform: scale(1);
    }
}

.typing-content {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.95);
    padding: 18px 24px;
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.typing-dots {
    display: flex;
    gap: 6px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    animation: typing 1.4s infinite;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.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) scale(1);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-12px) scale(1.2);
        opacity: 1;
    }
}

.typing-text {
    font-size: 13px;
    color: #64748b;
    font-style: italic;
    font-weight: 500;
}

/* Chat Input */
.chat-input-container {
    padding: 25px 30px;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(20px);
}

.input-wrapper {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 30px;
    padding: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.input-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.input-wrapper:focus-within::before {
    left: 100%;
}

#userInput {
    flex: 1;
    border: none;
    background: transparent;
    padding: 15px 25px;
    font-size: 15px;
    outline: none;
    color: #333;
    font-weight: 500;
}

#userInput::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.input-actions {
    display: flex;
    gap: 8px;
}

#sendButton {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    font-size: 18px;
}

#sendButton:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #5a5fd7, #6b46c1);
}

#sendButton:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    font-size: 12px;
    color: #64748b;
}

.powered-by {
    font-weight: 600;
    color: #667eea;
    text-shadow: 0 1px 3px rgba(102, 126, 234, 0.3);
}

/* Image Upload Styles */
.image-upload-btn {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #ff6b6b, #feca57);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    margin-right: 8px;
    font-size: 18px;
}

.image-upload-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.5);
    background: linear-gradient(135deg, #ff5252, #ffb74d);
}

.image-preview {
    margin-top: 15px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 15px;
    border: 2px dashed #cbd5e1;
    animation: fadeInUp 0.5s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(-15px) scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.preview-container {
    position: relative;
    display: inline-block;
    max-width: 200px;
}

.preview-container img {
    width: 100%;
    height: auto;
    max-height: 150px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.preview-container img:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.remove-image {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    transition: all 0.3s ease;
    border: 2px solid white;
}

.remove-image:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: scale(1.2);
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.5);
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 25px;
    padding: 30px 35px;
    margin-top: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15), 
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
}

.footer:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.company-info p {
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 500;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.company-info strong {
    color: #4ecdc4;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.social-links {
    display: flex;
    gap: 18px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 12px;
}