/**
 * Right Chat Drawer Styles
 * A collapsible chat drawer on the right side with a small pop-out tab when collapsed.
 * Uses semantic variables from the main style.css design system.
 */

/* ===== Chat Drawer Container ===== */
#chat-drawer {
    position: fixed;
    right: 10px;
    top: 0;
    /* Leave space for minimap + bottom toolbar */
    bottom: 312px;
    width: 360px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    border-bottom-left-radius: 8px;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, bottom 0.25s ease;
    z-index: var(--z-drawer, 90);
    box-shadow: -2px 0 12px rgba(0, 0, 0, 0.25);
}

/* Collapsed state - drawer slides off screen, only tab visible */
#chat-drawer.collapsed {
    transform: translateX(calc(100% + 10px));
}

/* Expand when minimap is hidden */
#chat-drawer.minimap-hidden {
    bottom: 60px;
}

/* ===== Drawer Content ===== */
.chat-drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    opacity: 1;
    transition: opacity 0.15s ease;
}

/* Hide content when collapsed */
#chat-drawer.collapsed .chat-drawer-content {
    opacity: 0;
    pointer-events: none;
}

/* ===== Chat Drawer Header ===== */
.chat-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 13px 11px 7px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.chat-drawer-title {
    color: var(--text-primary);
    font-size: var(--font-size-body-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.chat-drawer-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-drawer-action-btn,
.chat-drawer-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease;
}

.chat-drawer-action-btn:hover,
.chat-drawer-close-btn:hover {
    background: var(--neutral-700, #252525);
    color: var(--text-primary);
}

.chat-drawer-action-btn svg,
.chat-drawer-close-btn svg {
    width: 21px;
    height: 21px;
    fill: currentColor;
}

/* ===== Messages Area ===== */
.chat-drawer-messages {
    flex: 1;
    overflow-y: auto;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--bg-surface);
}

/* Scrollbar styling to match app */
.chat-drawer-messages::-webkit-scrollbar {
    width: 6px;
}

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

.chat-drawer-messages::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

.chat-drawer-messages::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* ===== Welcome Message ===== */
.chat-drawer-messages .chatbot-welcome {
    background: var(--bg-muted);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-secondary);
    font-size: var(--font-size-body-sm, 12px);
    line-height: 1.5;
    user-select: none;
    cursor: default;
}

.chat-drawer-messages .chatbot-welcome p {
    margin: 0 0 6px 0;
}

.chat-drawer-messages .chatbot-welcome p:last-child {
    margin-bottom: 0;
}

.chat-drawer-messages .chatbot-welcome strong {
    color: var(--text-primary);
}

.chat-drawer-messages .chatbot-welcome ul {
    margin: 4px 0;
    padding-left: 16px;
}

.chat-drawer-messages .chatbot-welcome li {
    margin: 2px 0;
}

/* ===== Chat Messages ===== */
.chat-drawer-messages .chatbot-message {
    max-width: 88%;
}

.chat-drawer-messages .chatbot-message--user {
    align-self: flex-end;
}

.chat-drawer-messages .chatbot-message--assistant {
    align-self: flex-start;
}

.chat-drawer-messages .chatbot-message-content {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: var(--font-size-body-sm, 12px);
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-drawer-messages .chatbot-message--user .chatbot-message-content {
    background: var(--accent-main);
    color: var(--text-primary);
    border-bottom-right-radius: 3px;
}

.chat-drawer-messages .chatbot-message--assistant .chatbot-message-content {
    background: var(--bg-muted);
    color: var(--text-primary);
    border-bottom-left-radius: 3px;
}

.chat-drawer-messages .chatbot-message-content code {
    background: rgba(0, 0, 0, 0.2);
    padding: 1px 4px;
    border-radius: 3px;
    font-family: var(--font-mono, monospace);
    font-size: 0.9em;
}

/* Message timestamp */
.chat-drawer-messages .chatbot-message-time {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
    opacity: 0.7;
}

.chat-drawer-messages .chatbot-message--user .chatbot-message-time {
    text-align: right;
}

.chat-drawer-messages .chatbot-message--assistant .chatbot-message-time {
    text-align: left;
}

/* ===== Typing Indicator ===== */
.chat-drawer-messages .typing-dots {
    display: flex;
    gap: 3px;
    padding: 2px 0;
}

.chat-drawer-messages .typing-dots span {
    width: 5px;
    height: 5px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

.chat-drawer-messages .typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.chat-drawer-messages .typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== Message Actions ===== */
.chat-drawer-messages .chatbot-message-actions {
    display: flex;
    gap: 4px;
    margin-top: 2px;
}

.chat-drawer-messages .chatbot-message-actions .copy-btn,
.chat-drawer-messages .chatbot-message-actions .regen-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease;
    opacity: 0;
}

.chat-drawer-messages .chatbot-message:hover .chatbot-message-actions .copy-btn,
.chat-drawer-messages .chatbot-message:hover .chatbot-message-actions .regen-btn {
    opacity: 1;
}

.chat-drawer-messages .chatbot-message-actions .copy-btn:hover,
.chat-drawer-messages .chatbot-message-actions .regen-btn:hover {
    background: var(--neutral-700, #252525);
    color: var(--text-primary);
}

.chat-drawer-messages .chatbot-message-actions .copy-btn svg,
.chat-drawer-messages .chatbot-message-actions .regen-btn svg {
    width: 14px;
    height: 14px;
}

.chat-drawer-messages .chatbot-message-actions .copy-btn.copied {
    color: var(--success-500, #22C55E);
    opacity: 1;
}

/* ===== Send Button Cancel State ===== */
.chat-drawer-input-area .chatbot-send-btn.cancel-state {
    background: var(--destructive-500, #EF4444);
}

.chat-drawer-input-area .chatbot-send-btn.cancel-state:hover {
    background: var(--destructive-600, #DC2626);
}

/* ===== Input Area ===== */
.chat-drawer-input-area {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.chat-drawer-input-area .chatbot-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 18px;
    padding: 3px 3px 3px 12px;
    transition: border-color 0.15s ease;
}

.chat-drawer-input-area .chatbot-input-wrapper:focus-within {
    border-color: var(--accent-main);
}

#chat-drawer-input {
    flex: 1;
    padding: 6px 0;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-body-sm, 12px);
    font-family: inherit;
    resize: none;
    outline: none;
    line-height: 1.4;
    min-height: 18px;
    max-height: 72px;
}

#chat-drawer-input::placeholder {
    color: var(--text-muted);
}

/* Send button */
.chat-drawer-input-area .chatbot-send-btn {
    width: 28px;
    height: 28px;
    background: var(--accent-main);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s ease;
}

.chat-drawer-input-area .chatbot-send-btn:hover {
    background: var(--hue-blue, #2563EB);
}

.chat-drawer-input-area .chatbot-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-drawer-input-area .chatbot-send-btn svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
}

/* Microphone button */
.chat-drawer-input-area .chatbot-mic-btn {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: background 0.15s ease, color 0.15s ease;
}

.chat-drawer-input-area .chatbot-mic-btn:hover {
    background: var(--neutral-700, #404040);
    color: var(--text-primary);
}

.chat-drawer-input-area .chatbot-mic-btn .mic-icon {
    width: 16px;
    height: 16px;
}

.chat-drawer-input-area .chatbot-mic-btn .recording-indicator {
    display: none;
}

/* Recording state */
.chat-drawer-input-area .chatbot-mic-btn.recording {
    background: var(--destructive-500, #EF4444);
    color: white;
}

.chat-drawer-input-area .chatbot-mic-btn.recording:hover {
    background: var(--destructive-600, #DC2626);
}

.chat-drawer-input-area .chatbot-mic-btn.recording .recording-indicator {
    display: block;
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: var(--destructive-500, #EF4444);
    border-radius: 50%;
    animation: pulse-recording 1s ease-in-out infinite;
}

@keyframes pulse-recording {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Hide mic button if speech recognition not supported */
.chat-drawer-input-area .chatbot-mic-btn.hidden {
    display: none;
}

/* Disclaimer */
.chat-drawer-input-area .chatbot-disclaimer {
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1024px) {
    #chat-drawer {
        width: 360px;
        bottom: 240px;
    }
}

@media (max-width: 768px) {
    #chat-drawer {
        width: 100%;
        max-width: 100%;
        bottom: 220px;
    }
}