/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333333;
}

/* Demo page styles (simulates WordPress site) */
.demo-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.demo-nav {
    display: flex;
    gap: 2rem;
}

.demo-nav a {
    color: #333333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.demo-nav a:hover {
    color: #667eea;
}

.demo-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
}

.demo-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.demo-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-bottom: 0.5rem;
}

.demo-hint {
    margin-top: 2rem !important;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Chat Widget Styles - These can be extracted for WordPress */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Chat Toggle Button */
.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.chat-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
}

.chat-toggle svg {
    width: 28px;
    height: 28px;
    color: white;
}

.chat-toggle .close-icon {
    display: none;
}

.chat-toggle.active .chat-icon {
    display: none;
}

.chat-toggle.active .close-icon {
    display: block;
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 550px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

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

.chat-window.hidden {
    display: none;
}

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-avatar svg {
    width: 24px;
    height: 24px;
}

.chat-title {
    font-size: 1rem;
    font-weight: 600;
}

.chat-status {
    font-size: 0.75rem;
    opacity: 0.9;
}

.chat-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: white;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.chat-close:hover {
    opacity: 1;
}

.chat-close svg {
    width: 20px;
    height: 20px;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #f8f9fa;
}

.message {
    display: flex;
    max-width: 85%;
}

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

.message.assistant {
    align-self: flex-start;
}

.message-content {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.message.user .message-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.assistant .message-content {
    background: white;
    color: #333;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.message.error .message-content {
    background: #fee2e2;
    color: #991b1b;
}

.message-content p {
    margin: 0;
}

.message-sources {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.75rem;
    color: #666;
}

.message-sources a {
    color: #667eea;
    text-decoration: none;
}

.message-sources a:hover {
    text-decoration: underline;
}

/* Typing Indicator */
.chat-typing {
    padding: 0 20px 10px;
    background: #f8f9fa;
}

.chat-typing.hidden {
    display: none;
}

.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #667eea;
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Chat Form */
/* Chat Input */
.chat-input-form {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    background: white;
    border-top: 1px solid #e5e7eb;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 24px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.chat-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input::placeholder {
    color: #9ca3af;
}

.chat-send {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, opacity 0.2s;
}

.chat-send:hover {
    transform: scale(1.05);
}

.chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.chat-send svg {
    width: 20px;
    height: 20px;
    color: white;
}

.chat-footer {
    display: flex;
    justify-content: space-between;
    padding: 8px 20px;
    background: white;
    font-size: 0.7rem;
    color: #9ca3af;
    border-top: 1px solid #e5e7eb;
}

.char-count {
    font-variant-numeric: tabular-nums;
    color: #999;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chat-widget {
        bottom: 16px;
        right: 16px;
    }

    .chat-window {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .demo-header {
        padding: 1rem 1.5rem;
    }

    .demo-nav {
        display: none;
    }

    .demo-content h1 {
        font-size: 2rem;
    }

    .demo-content p {
        font-size: 1rem;
    }
}

/* Hidden utility class */
.hidden {
    display: none !important;
}