/* Chat */
#chat-container {
    min-width: 400px;
    width: 100%;
    max-width: 1000px;
    min-height: 0;
    overflow: hidden;
    position: relative;

    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px -2px rgba(0,0,0,.16);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 18px;
    scroll-behavior: smooth;
    max-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Ensure the long chat history scrolls without pushing the footer input off-screen */
#messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-bottom: 12px; /* breathing room above request-status */
}
#messages :last-child {
    margin-bottom: 0;
}

/* --- Web Design Mode (UI/UX) --- */
body.web-design-mode .input-pill {
    background: linear-gradient(135deg, rgba(255, 106, 26, 0.18), rgba(47, 129, 255, 0.12));
    border: 1px solid rgba(255, 106, 26, 0.35);
    box-shadow: 0 10px 30px rgba(255, 106, 26, 0.12), 0 0 0 3px rgba(255, 106, 26, 0.08);
}

body.web-design-mode #user-input {
    color: var(--text-primary);
}

body.web-design-mode #user-input::placeholder {
    color: rgba(255,255,255,0.55);
}

body.theme-light.web-design-mode .input-pill {
    background: linear-gradient(135deg, rgba(255, 106, 26, 0.14), rgba(47, 129, 255, 0.10));
    border: 1px solid rgba(255, 106, 26, 0.30);
}

body.web-design-mode .mode-toggle-group,
body.web-design-mode .scope-select-wrap {
    display: none !important;
}

body.web-design-mode #uiux-mode-group {
    display: flex !important;
}

/* subtle scrollbar for a more "tooling" feel */
#messages::-webkit-scrollbar,
.conv-list::-webkit-scrollbar {
    width: 10px;
}
#messages::-webkit-scrollbar-thumb,
.conv-list::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.12);
    border: 2px solid transparent;
    background-clip: content-box;
    border-radius: 999px;
}
body.theme-light #messages::-webkit-scrollbar-thumb,
body.theme-light .conv-list::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
}
#messages::-webkit-scrollbar-thumb:hover,
.conv-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.20);
    border: 2px solid transparent;
    background-clip: unset;
}
body.theme-light #messages::-webkit-scrollbar-thumb:hover,
body.theme-light .conv-list::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.25);
}
#messages::-webkit-scrollbar-corner,
.conv-list::-webkit-scrollbar-corner {
    background: transparent;
}

.scroll-to-bottom-btn {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--glass-bg-2);
    border: 1px solid var(--glass-border-strong);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: opacity 0.2s, visibility 0.2s, background 0.2s, transform 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.scroll-to-bottom-btn:hover {
    background: var(--item-hover);
    transform: translateX(-50%) scale(1.1);
}

.scroll-to-bottom-btn[hidden] {
    display: none;
    opacity: 0;
    visibility: hidden;
}

.scroll-to-bottom-btn .icon {
    width: 18px;
    height: 18px;
}

.message {
    margin-top: 30px;
    margin-bottom: 30px;
    line-height: 1.6;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeIn 0.4s var(--ease-smooth) forwards;
}

.message.system {
    color: var(--text-dim);
    text-align: center;
    font-style: italic;
    font-size: 12px;
    padding: 0;
}

.message.user {
    color: var(--text-primary);
    /* Make the message row span full width so we can push the bubble to the right */
    max-width: none;
    display: flex;
    justify-content: flex-end;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    background: transparent;
    padding: 0;
    border: 0;
    overflow: visible;
    margin: 0 20px 0 0;
}

/* Right-aligned user bubble */
.message.user .message-inner {
    background: rgba(255,255,255,0.03);
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 24px 4px 24px 24px;
    max-width: min(450px, 90%);
    max-height: 200px;
    overflow: auto;
}

body.theme-light .message.user {
    background: transparent;
}

body.theme-light .message.user .message-inner {
    background: #dfdfdf85;
}

.message.agent {
    color: var(--text-secondary);
    padding-left: 16px;
    border-left: 4px solid rgba(47, 129, 255, 0.80);
    text-shadow: 0 0 14px rgba(47, 129, 255, 0.10);
}

/* Markdown rendering inside agent messages */
.message.agent.markdown {
    padding-left: 16px;
}

.message.agent.markdown p {
    margin: 0 0 10px 0;
}

.message.agent.markdown p:last-child { margin-bottom: 0; }

.message.agent.markdown h1,
.message.agent.markdown h2,
.message.agent.markdown h3,
.message.agent.markdown h4,
.message.agent.markdown h5,
.message.agent.markdown h6 {
    margin: 14px 0 8px 0;
    color: var(--text-primary);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.message.agent.markdown h1 { font-size: 18px; }
.message.agent.markdown h2 { font-size: 16px; }
.message.agent.markdown h3 { font-size: 14px; }
.message.agent.markdown h4,
.message.agent.markdown h5,
.message.agent.markdown h6 { font-size: 13px; }

.message.agent.markdown ul,
.message.agent.markdown ol {
    margin: 0 0 10px 18px;
    padding: 0;
}

.message.agent.markdown li { margin: 4px 0; }

.message.agent.markdown blockquote {
    margin: 10px 0;
    padding: 10px 12px;
    border-left: 2px solid rgba(255, 106, 26, 0.75);
    background: rgba(255, 106, 26, 0.08);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: 0 0 0 3px rgba(255, 106, 26, 0.06);
}

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

.message.agent.markdown a {
    color: rgba(61, 214, 255, 0.92);
    text-decoration: none;
    border-bottom: 1px solid rgba(61, 214, 255, 0.35);
    text-shadow: 0 0 18px rgba(61, 214, 255, 0.12);
}

.message.agent.markdown a:hover {
    color: var(--text-primary);
    border-bottom-color: rgba(61, 214, 255, 0.60);
}

.message.agent.markdown code.inline-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    padding: 1px 6px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}
body.theme-light .message.agent.markdown code.inline-code {
    background: rgb(0 0 0 / 4%);
    border: 1px solid rgb(151 151 151 / 39%);
}
.message.agent.markdown pre.code-block {
    margin: 10px 0;
    padding: 28px 14px 12px 14px; /* space for copy button */
    overflow: auto;
    background: #000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    position: relative;
}
body.theme-light .message.agent.markdown pre.code-block {
    background: #e8eaed;
}

/* Markdown Table Styles */
.message.agent.markdown .table-container {
    width: 100%;
    overflow-x: auto;
    margin: 12px 0;
}

.message.agent.markdown table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 8px;
}

.message.agent.markdown th,
.message.agent.markdown td {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.message.agent.markdown th {
    background: rgba(255, 255, 255, 0.08);
    font-weight: 700;
    color: var(--text-primary);
}

.message.agent.markdown tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

.message.agent.markdown tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

body.theme-light .message.agent.markdown table {
    background: #fff;
}
body.theme-light .message.agent.markdown th {
    background: #f8fafc;
}

.message.agent.streaming {
    width: 70%;
    opacity: 0.95;
}

.message.cancelled {
    opacity: 0.6;
}

/* Message status pulse animations */
.message.status-processing {
    border-left: 3px solid var(--accent-blue);
    animation: border-pulse 1.5s infinite ease-in-out;
    position: relative;
    min-height: 60px;
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-elev-0);
    border-radius: var(--radius-md);
    margin: 8px 0;
}

@keyframes border-pulse {
    0% { border-left-color: rgba(47, 129, 255, 0.3); box-shadow: -4px 0 12px -4px rgba(47, 129, 255, 0.2); }
    50% { border-left-color: rgba(47, 129, 255, 1); box-shadow: -4px 0 20px -2px rgba(47, 129, 255, 0.4); }
    100% { border-left-color: rgba(47, 129, 255, 0.3); box-shadow: -4px 0 12px -4px rgba(47, 129, 255, 0.2); }
}

.message.status-error {
    border-left: 3px solid #f87171;
}

.message.status-cancelled, .message.cancelled {
    border-left: 3px solid #fb923c;
    opacity: 0.8;
}

.status-label {
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-dim);
}

.message.status-cancelled .status-label, .message.cancelled .status-label {
    color: #fb923c;
    background: rgba(251, 146, 60, 0.1);
}

.message.status-error .status-label {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
}

.copy-code-btn {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.02);
    color: var(--text-secondary);
    cursor: url(https://www.lovart.ai/assets/pointer-hand-mini.png) 0 0, auto;
}
.copy-code-btn:active {
    cursor: url(https://www.lovart.ai/assets/pointer-active-mini.png) 0 0,auto
}

.copy-code-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-highlight);
}

/* --- Message actions (delete / rate) --- */
/*
 * Legacy markup uses: .message-actions
 * Legacy styling uses: .msg-actions
 * During the canvas refactor, the DOM kept `.message-actions` but CSS still targets `.msg-actions`,
 * causing style/motion regressions. Map the legacy class to the existing styles to keep behavior
 * identical to pre-refactor.
 */
.msg-actions,
.message-actions {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    transform: translateY(2px);
    transition: opacity 0.18s var(--ease-smooth), transform 0.18s var(--ease-smooth);
}
.message.user .msg-actions,
.message.user .message-actions {
    opacity: 0;
    justify-content: flex-end;
}
.message.user:hover .msg-actions,
.message.user:hover .message-actions {
    opacity: 1;
}

.message:hover .msg-actions,
.message:hover .message-actions {
    transform: translateY(0);
}
.delete-message:hover {
    color: rgba(248, 113, 113, 0.95);
    transition: none;
}
.thumbs-up:hover {
    color: yellowgreen;
    transition: none;
}
.thumbs-down:hover {
    color: rgba(47, 129, 255, 0.70);
    transition: none;
}
.fork-chat:hover {
    color: #a855f7; /* Purple for forking/branching */
    transition: none;
}

.resend-message:hover {
    color: #3b82f6; /* Blue for resend/retry */
    transition: none;
}

.msg-action-btn {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 2rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: url(https://www.lovart.ai/assets/pointer-hand-mini.png) 0 0, auto;
}
.msg-action-btn:active {
    cursor: url(https://www.lovart.ai/assets/pointer-active-mini.png) 0 0,auto
}

.msg-action-btn .icon {
    width: 16px;
    height: 16px;
}

.msg-action-btn:hover {
    background: rgb(255 255 255 / 20%);
    border-radius: 2rem;
}
body.theme-light .msg-action-btn:hover {
    background: rgb(161 161 161 / 20%);
}

.msg-action-btn.active {
    color: #fff;
}
.msg-action-btn.thumbs-up.active {
    border-color: rgba(89, 255, 47, 0.40);
    background: rgba(89, 255, 47, 0.22);
    box-shadow: 0 0 0 3px rgba(89, 255, 47, 0.12);
}

.msg-action-btn.thumbs-down.active {
    border-color: rgba(47, 129, 255, 0.40);
    background: rgba(47, 129, 255, 0.22);
    box-shadow: 0 0 0 3px rgba(47, 129, 255, 0.12);
}

.msg-model-tag {
    font-size: 10px;
    color: var(--text-dim);
    margin-left: 4px;
    align-self: center;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    opacity: 0.8;
}

body.theme-light .msg-action-btn.active {
    color: rgba(15, 23, 42, 0.92);
}

.message.agent.markdown pre.code-block code.code {
    color: var(--text-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    line-height: 1.55;
    white-space: pre;
}

/* Tiny syntax highlight tokens */
.message.agent.markdown pre.code-block .tok.kw { color: #fb923c; }
.message.agent.markdown pre.code-block .tok.str { color: #86efac; }
.message.agent.markdown pre.code-block .tok.num { color: #93c5fd; }
.message.agent.markdown pre.code-block .tok.com { color: #71717a; }
.message.agent.markdown pre.code-block .tok.key { color: #fda4af; }
.message.agent.markdown pre.code-block .tok.val { color: #fde047; }
body.theme-light .message.agent.markdown pre.code-block .tok.str { color: #33a15b; }
body.theme-light .message.agent.markdown pre.code-block .tok.num { color: #5494db; }
body.theme-light .message.agent.markdown pre.code-block .tok.key { color: #df4b5e; }
body.theme-light .message.agent.markdown pre.code-block .tok.val { color: #c7aa10; }

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

/* Attachment Button */
.attach-btn {
    background: transparent !important;
    border: none !important;
    color: var(--text-dim) !important;
    transition: color 0.2s ease, transform 0.2s ease !important;
    box-shadow: none !important;
    padding: 8px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.attach-btn:hover {
    color: var(--text-primary) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: 50% !important;
}

body.theme-light .attach-btn:hover {
    background: rgba(0, 0, 0, 0.05) !important;
}

.attach-btn .icon {
    width: 24px;
    height: 24px;
}

/* Image Preview Container */
.image-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 16px 4px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.theme-light .image-preview-container {
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

.image-preview-container:empty {
    display: none;
}

.preview-image-wrapper {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--bg-elev-1);
    animation: scaleIn 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.preview-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-image-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    z-index: 2;
    transition: all 0.2s ease;
    padding: 0;
}

.remove-image-btn:hover {
    background: #ef4444;
    transform: scale(1.1);
}

/* User Message Images */
.message.user .message-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    justify-content: flex-end;
}

.message.user .message-images img {
    max-width: 240px;
    max-height: 240px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    cursor: zoom-in;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.message.user .message-images img:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}


/* --- Message Edit Mode --- */
body.edit-mode .input-pill {
    background: var(--bg-elev-1);
    border: 1px solid rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1), 0 10px 30px -10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.edit-mode-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), transparent);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    border-top-left-radius: 28px;
    font-size: 12px;
    font-weight: 600;
    color: #3b82f6;
    animation: slideDownFade 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.emi-content {
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.emi-icon {
    width: 14px;
    height: 14px;
}

.emi-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.emi-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.emi-close svg {
    width: 16px;
    height: 16px;
}

body.edit-mode #user-input {
    color: var(--text-primary);
    padding-top: 12px;
}

/* Edit Mode Send Button Animation */
body.edit-mode #send-btn {
    transform: scale(1.05);
}

body.edit-mode #send-btn:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

/* Add margin to input toolbar right to accommodate cancel button */
body.edit-mode .input-toolbar-right {
    gap: 8px;
}