/* Chat Widget Styles */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 40;
    font-family: 'Inter', system-ui, sans-serif;
}

/* Toggle Button */
.chat-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    transition: all 0.3s ease;
}

.chat-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.5);
}

.chat-toggle .status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.chat-toggle-icon {
    font-size: 18px;
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 60px;
    right: 0;
    width: 360px;
    max-height: 500px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.chat-window.open {
    display: flex;
}

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

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
}

.chat-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
}

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

.chat-header-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

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

/* Chat Body */
.chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    min-height: 250px;
    max-height: 350px;
    background: #f8fafc;
}

/* Start Form */
.chat-start-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px;
}

.chat-start-form h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: #1e293b;
}

.chat-start-form p {
    margin: 0;
    font-size: 14px;
    color: #64748b;
}

.chat-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.chat-input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.chat-start-btn {
    padding: 12px 20px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.chat-start-btn:hover {
    background: #1d4ed8;
}

/* Messages */
.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.4;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message.incoming {
    background: #2563eb;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-message.outgoing {
    background: white;
    color: #1e293b;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.chat-message .sender {
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 4px;
    opacity: 0.7;
}

/* Message Input */
.chat-footer {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: white;
    border-top: 1px solid #e2e8f0;
}

.chat-footer .chat-input {
    flex: 1;
}

.chat-send-btn {
    width: 42px;
    height: 42px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: #1d4ed8;
}

.chat-send-btn:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: white;
    border-radius: 14px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.typing-indicator.visible {
    display: flex;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: #94a3b8;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 100% { opacity: 0.4; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-3px); }
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chat-widget {
        right: 10px;
        bottom: 10px;
    }
    
    .chat-window {
        width: calc(100vw - 20px);
        max-width: 100%;
        right: 0;
    }
}