/* Chat Widget Styles */
.chat-widget {
    position: fixed;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.chat-widget-bottom-right {
    bottom: 20px;
    right: 20px;
}

.chat-widget-bottom-left {
    bottom: 20px;
    left: 20px;
}

/* Toggle Button */
.chat-toggle-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

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

.chat-toggle-btn .hidden {
    display: none;
}

/* Unread Badge */
.chat-unread-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    border: 2px solid white;
}

.chat-unread-badge.hidden {
    display: none;
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 600px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

/* Header */
.chat-header {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-content {
    flex: 1;
}

.chat-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.chat-subtitle {
    margin: 4px 0 0 0;
    font-size: 13px;
    opacity: 0.9;
}

.chat-minimize-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.chat-minimize-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

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

/* Messages Container */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f9fafb;
}

.chat-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #6b7280;
}

.chat-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Message Bubbles */
.chat-message {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}

.chat-message-user {
    align-items: flex-end;
}

.chat-message-admin {
    align-items: flex-start;
}

.chat-message-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    word-wrap: break-word;
    position: relative;
}

.chat-message-user .chat-message-bubble {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message-admin .chat-message-bubble {
    background: white;
    color: #1f2937;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chat-message-time {
    font-size: 11px;
    color: #9ca3af;
    margin-top: 4px;
}

.chat-message-sender {
    font-size: 12px;
    font-weight: 600;
    color: #3b82f6;
    margin-bottom: 4px;
}

/* Typing Indicator */
.chat-typing {
    padding: 12px 20px;
    background: #f3f4f6;
    border-top: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.chat-typing-dot {
    width: 8px;
    height: 8px;
    background: #9ca3af;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

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

.chat-typing-text {
    font-size: 13px;
    color: #6b7280;
}

/* Input Area */
.chat-input-container {
    padding: 16px;
    background: white;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    resize: none;
    max-height: 120px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.chat-input:focus {
    outline: none;
    border-color: #3b82f6;
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

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

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

/* Footer */
.chat-footer {
    padding: 8px 16px;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.chat-footer small {
    font-size: 11px;
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 480px) {
    .chat-window {
        width: calc(100vw - 40px);
        height: calc(100vh - 100px);
        bottom: 70px;
    }
    
    .chat-widget-bottom-left .chat-window {
        left: 0;
    }
}

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

.chat-messages::-webkit-scrollbar-track {
    background: #f3f4f6;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}