/**
 * Knexia Support Chat Widget - Styles
 */

/* Main Widget Container */
.support-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Floating Chat Bubble */
.chat-bubble {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.chat-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.chat-bubble svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Notification Badge */
.chat-bubble-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Chat Window */
.chat-window {
    width: 380px;
    height: 600px;
    background: white;
    border-radius: 12px;
    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 Header */
.chat-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.chat-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 16px;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Messages Container */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* Individual Message */
.chat-message {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 14px;
}

/* Bot Messages */
.bot-message {
    justify-content: flex-start;
}

.bot-message .message-content {
    background: white;
    color: #2d3748;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* User Messages */
.user-message {
    justify-content: flex-end;
}

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

/* Error Messages */
.error-message .message-content {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #fc8181;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #cbd5e0;
    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%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Input Container */
.chat-input-container {
    display: flex;
    gap: 10px;
    padding: 16px;
    background: white;
    border-top: 1px solid #e2e8f0;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
    max-height: 100px;
    overflow-y: auto;
}

.chat-input:focus {
    border-color: #667eea;
}

.chat-input::placeholder {
    color: #a0aec0;
}

.chat-send-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    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(102, 126, 234, 0.4);
}

.chat-send-btn:active {
    transform: scale(0.95);
}

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

/* Message Limit Notice */
.chat-limit-notice {
    background: #fff5e6;
    border-top: 1px solid #ffd699;
    padding: 10px 16px;
    font-size: 13px;
    color: #996600;
    text-align: center;
}

.chat-limit-notice a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.chat-limit-notice a:hover {
    text-decoration: underline;
}

.chat-limit-notice strong {
    color: #cc6600;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .support-chat-widget {
        bottom: 10px;
        right: 10px;
    }

    .chat-window {
        width: calc(100vw - 20px);
        height: calc(100vh - 20px);
        max-height: 600px;
    }

    .chat-bubble {
        width: 50px;
        height: 50px;
    }

    .message-content {
        max-width: 85%;
        font-size: 13px;
    }
}

/* Tablet Responsive */
@media (max-width: 768px) and (min-width: 481px) {
    .chat-window {
        width: 340px;
        height: 550px;
    }
}

/* Dark Mode Support (Optional - for future enhancement) */
@media (prefers-color-scheme: dark) {
    .chat-window {
        background: #1a202c;
    }

    .chat-messages {
        background: #2d3748;
    }

    .bot-message .message-content {
        background: #4a5568;
        color: #e2e8f0;
        border-color: #4a5568;
    }

    .chat-input-container {
        background: #1a202c;
        border-top-color: #4a5568;
    }

    .chat-input {
        background: #2d3748;
        color: #e2e8f0;
        border-color: #4a5568;
    }

    .chat-input::placeholder {
        color: #718096;
    }
}