/* ===== CHATBOT — Minimal Clean Style ===== */

.chatbot-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: min(400px, calc(100vw - 32px));
    max-height: min(70vh, 600px);
    background: var(--bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 16px 48px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    z-index: 999;
    transition: all 0.3s ease;
    overflow: hidden;
}

[data-theme="dark"] .chatbot-container {
    box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.chatbot-container.minimized {
    max-height: 60px;
}

.chatbot-container.hidden {
    display: none;
}

/* Header */
.chatbot-header {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg);
}

.chatbot-header::before { display: none; }

.chatbot-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chatbot-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border);
    object-fit: cover;
}

.chatbot-avatar:hover { transform: none; }

.chatbot-title-container h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1px;
    text-shadow: none;
}

.chatbot-status {
    font-size: 11px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: #34c759;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.chatbot-controls {
    display: flex;
    gap: 6px;
}

.chatbot-control-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--tag-bg);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.chatbot-control-btn:hover {
    background: var(--border);
    color: var(--text);
    transform: none;
    box-shadow: none;
}

/* Body */
.chatbot-body {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: min(44vh, 420px);
    background: var(--bg-secondary);
}

.chatbot-body::before { display: none; }

.chatbot-body::-webkit-scrollbar { width: 4px; }
.chatbot-body::-webkit-scrollbar-track { background: transparent; }
.chatbot-body::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

/* Messages */
.message {
    display: flex;
    gap: 8px;
    animation: msgIn 0.2s ease;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.message-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
    border: 1px solid var(--border);
}

.message-content {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.55;
    word-wrap: break-word;
    transition: all 0.2s ease;
}

.message-content:hover {
    transform: none;
    box-shadow: none;
}

.message.bot .message-content {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border-light);
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background: var(--text);
    color: var(--bg);
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 3px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    border-bottom-left-radius: 4px;
    width: fit-content;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-tertiary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px 14px;
    border-top: 1px solid var(--border-light);
    background: var(--bg);
}

.quick-action-btn {
    padding: 7px 12px;
    background: var(--tag-bg);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-action-btn::before { display: none; }

.quick-action-btn:hover {
    color: var(--text);
    border-color: var(--border);
    background: var(--border-light);
    transform: none;
    box-shadow: none;
}

/* Footer */
.chatbot-footer {
    padding: 10px 14px 12px;
    display: flex;
    gap: 8px;
    align-items: center;
    border-top: 1px solid var(--border-light);
    background: var(--bg);
}

.chatbot-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text);
    font-size: 13px;
    transition: all 0.2s ease;
}

.chatbot-input:focus {
    border-color: var(--text-tertiary);
    background: var(--bg);
    box-shadow: none;
}

.chatbot-input::placeholder {
    color: var(--text-tertiary);
    font-style: normal;
}

.chatbot-send-btn {
    width: 36px;
    height: 36px;
    background: var(--text);
    border: none;
    border-radius: 8px;
    color: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 13px;
}

.chatbot-send-btn:hover {
    opacity: 0.8;
    transform: none;
    box-shadow: none;
}

.chatbot-send-btn:active {
    transform: scale(0.97);
}

.chatbot-send-btn:disabled {
    background: var(--border);
    cursor: not-allowed;
}

/* Toggle Button */
.chatbot-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    background: var(--text);
    border: none;
    border-radius: 14px;
    color: var(--bg);
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 998;
    transition: all 0.2s ease;
    animation: none;
}

[data-theme="dark"] .chatbot-toggle-btn {
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.chatbot-toggle-logo {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.chatbot-toggle-btn:hover {
    transform: none;
    opacity: 0.85;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.chatbot-toggle-btn.active {
    display: flex;
}

/* Welcome */
.welcome-message {
    text-align: center;
    padding: 16px;
    color: var(--text-tertiary);
}

.welcome-message h4 {
    color: var(--text);
    margin-bottom: 6px;
    font-size: 14px;
}

.welcome-message p {
    font-size: 12px;
    line-height: 1.5;
}

/* Link Cards */
.link-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    margin: 6px 0;
    background: var(--tag-bg);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.link-card:hover {
    border-color: var(--border);
    transform: none;
}

.link-card-icon {
    width: 28px;
    height: 28px;
    background: var(--text);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-size: 13px;
    flex-shrink: 0;
}

.link-card-title {
    font-weight: 600;
    font-size: 12px;
    color: var(--text);
}

.link-card-url {
    font-size: 10px;
    color: var(--text-tertiary);
}

/* Message text formatting */
.message-content blockquote {
    margin: 8px 0;
    padding: 8px 12px;
    border-left: 3px solid var(--border);
    background: var(--tag-bg);
    border-radius: 0 6px 6px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.message-content hr {
    margin: 12px 0;
    border: none;
    border-top: 1px solid var(--border-light);
}

.info-box {
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 8px;
    background: var(--tag-bg);
    border-left: 3px solid var(--text-tertiary);
}

.info-box-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
    font-size: 12px;
}

.message-content a {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 500;
    background: none;
    border: none;
    padding: 0;
    display: inline;
}

.message-content a::before { display: none; }

.message-content a:hover {
    color: var(--text-secondary);
    transform: none;
    box-shadow: none;
}

.message.user .message-content a {
    color: var(--bg);
    background: none;
    border: none;
}

.message.user .message-content a::before { display: none; }

.message-content code {
    background: var(--tag-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    font-size: 12px;
    border: 1px solid var(--border-light);
    color: var(--text);
}

.message.user .message-content code {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.2);
    color: var(--bg);
}

.message-content ul, .message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.message-content li {
    margin: 4px 0;
    list-style: inherit;
    line-height: 1.55;
}

.message-content p {
    margin: 6px 0;
}
.message-content p:first-child { margin-top: 0; }
.message-content p:last-child { margin-bottom: 0; }

.message-content strong, .message-content b {
    font-weight: 600;
    color: var(--text);
}

.message.user .message-content strong,
.message.user .message-content b {
    color: var(--bg);
}

.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 8px 0 4px;
    font-weight: 600;
    color: var(--text);
}

.message-content h4 { font-size: 14px; }
.message-content h5 { font-size: 13px; }
.message-content h6 { font-size: 12px; }

/* Error */
.error-message {
    background: var(--tag-bg);
    color: #e55;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    text-align: center;
    margin: 8px 0;
}

/* Loading */
.loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

[data-theme="dark"] .loading-overlay {
    background: rgba(10,10,10,0.9);
}

.loading-overlay.active { display: flex; }

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--text);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .chatbot-container {
        bottom: 72px;
        right: 12px;
        width: min(380px, calc(100vw - 24px));
        max-height: min(65vh, 550px);
    }
    .chatbot-body { max-height: min(38vh, 380px); }
}

@media (max-width: 480px) {
    .chatbot-container {
        bottom: 68px;
        left: 10px;
        right: 10px;
        width: calc(100vw - 20px);
        max-height: calc(100vh - 120px);
        border-radius: 14px;
    }
    .chatbot-body { max-height: calc(100vh - 320px); }
    .chatbot-toggle-btn {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        bottom: 14px;
        right: 14px;
    }
    .chatbot-toggle-logo { width: 22px; height: 22px; }
    .quick-actions { gap: 4px; padding: 8px 10px; }
    .quick-action-btn { font-size: 11px; padding: 6px 10px; }
}