:root {
    --rai-bg: #ffffff;
    --rai-body: #fafafa;
    --rai-fg: #111827;
    --rai-muted: #6b7280;
    --rai-dark: #393939;
    --rai-dark-fg: #ffffff;
    --rai-border: #e5e7eb;
    --rai-bubble-user: #e5e7eb;
    --rai-shadow: 0 12px 40px rgba(0, 0, 0, .25);
    --rai-shadow-fab: 0 10px 24px rgba(57, 57, 57, .35), 0 2px 4px rgba(0, 0, 0, .12);
    --rai-radius: 14px;
    --rai-fab-size: 72px;
}

html, body {
    margin: 0;
    padding: 0;
    background: transparent;
}

#rebel-ai-root {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2147483647;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--rai-fg);
    -webkit-font-smoothing: antialiased;
}
#rebel-ai-root > * { pointer-events: auto; }

/* "Can we help?" tooltip above the FAB */
.rai-tooltip {
    position: fixed;
    right: 12px;
    bottom: 94px;
    max-width: 220px;
    background: var(--rai-dark);
    color: #fff;
    padding: 10px 30px 10px 14px;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    animation: rai-tooltip-in .4s cubic-bezier(.2, .8, .25, 1) both;
}
.rai-tooltip::after {
    content: "";
    position: absolute;
    right: 22px;
    bottom: -6px;
    width: 12px;
    height: 12px;
    background: var(--rai-dark);
    transform: rotate(45deg);
    border-radius: 2px;
}
.rai-tooltip-dismiss {
    position: absolute;
    top: 4px;
    right: 6px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, .65);
    cursor: pointer;
    padding: 2px 4px;
    line-height: 1;
    border-radius: 4px;
    font-size: 12px;
}
.rai-tooltip-dismiss:hover { color: #fff; background: rgba(255, 255, 255, .12); }
@keyframes rai-tooltip-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* FAB */
.rai-fab {
    position: fixed;
    right: 12px;
    bottom: 12px;
    width: var(--rai-fab-size);
    height: var(--rai-fab-size);
    border-radius: 50%;
    background: var(--rai-dark);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--rai-shadow-fab);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .15s ease, box-shadow .2s ease;
}
.rai-fab:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 14px 28px rgba(57, 57, 57, .45), 0 2px 6px rgba(0, 0, 0, .14); }
.rai-fab:active { transform: translateY(0) scale(.98); }
.rai-fab svg { width: 28px; height: 28px; }

/* Drawer */
.rai-drawer {
    position: fixed;
    right: 12px;
    bottom: 12px;
    width: min(380px, calc(100vw - 24px));
    height: min(620px, calc(100vh - 24px));
    background: var(--rai-bg);
    border-radius: var(--rai-radius);
    box-shadow: var(--rai-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Dark header */
.rai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--rai-dark);
    color: #fff;
    flex-shrink: 0;
}
.rai-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}
.rai-header-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    overflow: hidden;
    flex-shrink: 0;
}
.rai-header-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2px;
    box-sizing: border-box;
}
.rai-header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}
.rai-header-btn {
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    line-height: 0;
}
.rai-header-btn:hover:not(:disabled) { background: rgba(255, 255, 255, .15); }
.rai-header-btn:disabled { opacity: .6; cursor: default; }
.rai-header-btn svg { width: 16px; height: 16px; }

/* Body */
.rai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    background: var(--rai-body);
}

/* Empty state */
.rai-empty {
    text-align: center;
    color: #9ca3af;
    font-size: 13px;
    padding: 32px 12px 16px;
}
.rai-empty-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(57, 57, 57, .25);
}
.rai-empty-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    box-sizing: border-box;
}
.rai-empty-title {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}
.rai-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    max-width: 320px;
    margin: 16px auto 0;
}
.rai-suggestion {
    border: 1px solid var(--rai-border);
    background: #fff;
    color: #4b5563;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
    transition: background .12s, border-color .12s, transform .08s;
}
.rai-suggestion:hover { background: #f3f4f6; border-color: #d1d5db; color: var(--rai-dark); }
.rai-suggestion:active { transform: translateY(1px); }

/* Two-level suggestion menu (category drill-down). */
.rai-suggestion-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 320px;
    margin: 16px auto 0;
    text-align: left;
}
.rai-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    border: 1px solid var(--rai-border);
    background: #fff;
    color: var(--rai-fg);
    border-radius: 8px;
    padding: 10px 12px;
    font: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: background .12s, border-color .12s, transform .08s;
}
.rai-group:hover { background: #f3f4f6; border-color: #d1d5db; }
.rai-group:active { transform: translateY(1px); }
.rai-group-label { font-weight: 600; }
.rai-group-chev { color: #9ca3af; line-height: 0; }
.rai-group-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    border: none;
    background: transparent;
    color: var(--rai-muted);
    padding: 4px 6px;
    margin-bottom: 2px;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1;
}
.rai-group-back:hover { color: var(--rai-dark); }
.rai-subprompt {
    width: 100%;
    text-align: left;
    border: 1px solid var(--rai-border);
    background: #fff;
    color: #4b5563;
    border-radius: 8px;
    padding: 8px 12px;
    font: inherit;
    font-size: 12.5px;
    cursor: pointer;
    transition: background .12s, border-color .12s, transform .08s;
}
.rai-subprompt:hover { background: #f3f4f6; border-color: #d1d5db; color: var(--rai-dark); }
.rai-subprompt:active { transform: translateY(1px); }

/* Messages */
.rai-msg {
    margin-bottom: 14px;
    max-width: 92%;
    animation: rai-msg-in .2s ease-out;
}
@keyframes rai-msg-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.rai-msg-role {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--rai-muted);
    margin-bottom: 4px;
    font-weight: 600;
}
.rai-msg-content {
    padding: 8px 12px;
    border-radius: 10px;
    line-height: 1.45;
    font-size: 13px;
    color: var(--rai-fg);
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}
.rai-msg.user { margin-left: auto; text-align: right; }
.rai-msg.user .rai-msg-content {
    background: var(--rai-bubble-user);
    display: inline-block;
    text-align: left;
}
.rai-msg.assistant .rai-msg-content {
    background: #fff;
    border: 1px solid var(--rai-border);
    /* Shrink-wrap to content so an empty (cursor-only) bubble is small instead of
       stretching the full bubble width. */
    display: inline-block;
    max-width: 100%;
    box-sizing: border-box;
}

/* Blinking "typing" cursor inside a streaming assistant bubble. Sits next to the text so it
   stays visible whether the bubble is empty (pre-first-delta) or already has content. */
.rai-cursor {
    display: inline-block;
    color: var(--rai-dark);
    line-height: 1;
    margin-left: 1px;
    vertical-align: baseline;
    animation: rai-blink 1s steps(2) infinite;
}
@keyframes rai-blink {
    0%, 50% { opacity: 1; }
    50.1%, 100% { opacity: 0; }
}
.rai-msg-text { display: inline; }
.rai-msg-text.markdown { display: block; }

/* Markdown rendering inside assistant bubbles */
.rai-msg-text.markdown {
    white-space: normal;
    line-height: 1.55;
}
.rai-msg-text.markdown > *:first-child { margin-top: 0; }
.rai-msg-text.markdown > *:last-child { margin-bottom: 0; }
.rai-msg-text.markdown p,
.rai-msg-text.markdown ul,
.rai-msg-text.markdown ol,
.rai-msg-text.markdown pre,
.rai-msg-text.markdown blockquote,
.rai-msg-text.markdown table,
.rai-msg-text.markdown h1,
.rai-msg-text.markdown h2,
.rai-msg-text.markdown h3,
.rai-msg-text.markdown h4 {
    margin: 0 0 8px;
}
.rai-msg-text.markdown h1,
.rai-msg-text.markdown h2,
.rai-msg-text.markdown h3,
.rai-msg-text.markdown h4 {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 12px;
    color: var(--rai-fg);
}
.rai-msg-text.markdown h1 { font-size: 16px; }
.rai-msg-text.markdown h2 { font-size: 14.5px; }
.rai-msg-text.markdown h3 { font-size: 13.5px; }
.rai-msg-text.markdown h4 { font-size: 13px; }
.rai-msg-text.markdown ul,
.rai-msg-text.markdown ol { padding-left: 20px; }
.rai-msg-text.markdown li + li { margin-top: 2px; }
.rai-msg-text.markdown li > p { margin-bottom: 4px; }
.rai-msg-text.markdown strong { font-weight: 600; color: var(--rai-fg); }
.rai-msg-text.markdown em { font-style: italic; }
.rai-msg-text.markdown a {
    color: var(--rai-dark);
    text-decoration: underline;
}
.rai-msg-text.markdown code {
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    background: rgba(57, 57, 57, .1);
    color: var(--rai-dark);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 12px;
}
.rai-msg-text.markdown pre {
    background: #1f2937;
    color: #f3f4f6;
    padding: 10px 12px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.45;
}
.rai-msg-text.markdown pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    font-size: inherit;
}
.rai-msg-text.markdown blockquote {
    margin: 0 0 8px;
    padding: 4px 12px;
    border-left: 3px solid #d1d5db;
    color: #4b5563;
    background: #f9fafb;
    border-radius: 0 4px 4px 0;
}
.rai-msg-text.markdown hr {
    border: none;
    border-top: 1px solid var(--rai-border);
    margin: 12px 0;
}
.rai-msg-text.markdown table {
    border-collapse: collapse;
    font-size: 12.5px;
    width: 100%;
}
.rai-msg-text.markdown th,
.rai-msg-text.markdown td {
    border: 1px solid var(--rai-border);
    padding: 4px 8px;
    text-align: left;
}
.rai-msg-text.markdown th {
    background: #f3f4f6;
    font-weight: 600;
}

/* Tool running indicator */
.rai-tool-running {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    padding: 6px 12px;
    background: #f3f4f6;
    color: var(--rai-muted);
    border-radius: 14px;
    font-size: 12px;
    font-style: italic;
}
.rai-spinner {
    width: 10px;
    height: 10px;
    border: 2px solid var(--rai-border);
    border-top-color: var(--rai-dark);
    border-radius: 50%;
    animation: rai-spin .8s linear infinite;
}
@keyframes rai-spin { to { transform: rotate(360deg); } }

/* present_options choice card */
.rai-choice {
    margin-top: 10px;
    padding: 12px 14px;
    background: #f9fafb;
    border: 1px solid var(--rai-border);
    border-radius: 8px;
}
.rai-choice-question {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--rai-fg);
    margin-bottom: 8px;
}
.rai-choice-options { display: flex; flex-direction: column; gap: 6px; }
.rai-choice-btn {
    display: block;
    width: 100%;
    text-align: left;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 10px 12px;
    cursor: pointer;
    font: inherit;
    color: var(--rai-fg);
    transition: background .12s, border-color .12s;
}
.rai-choice-btn:hover:not(:disabled) { background: #f3f4f6; }
.rai-choice-btn:disabled { cursor: default; }
.rai-choice-btn.chosen { background: var(--rai-bubble-user); border-color: var(--rai-dark); color: var(--rai-dark); }
.rai-choice-btn.faded { opacity: .55; }
.rai-choice-label { font-size: 13px; font-weight: 600; }
.rai-choice-desc { font-size: 11.5px; color: var(--rai-muted); margin-top: 3px; line-height: 1.4; }

/* Input bar */
.rai-input {
    border-top: 1px solid var(--rai-border);
    padding: 10px 12px;
    display: flex;
    gap: 8px;
    align-items: flex-end;
    background: var(--rai-bg);
    flex-shrink: 0;
}
.rai-input textarea {
    flex: 1;
    resize: none;
    border: 1px solid var(--rai-border);
    border-radius: 10px;
    padding: 8px 10px;
    font-family: inherit;
    font-size: 13px;
    color: var(--rai-fg);
    background: var(--rai-bg);
    max-height: 120px;
    outline: none;
    line-height: 1.4;
}
.rai-input textarea:focus { border-color: var(--rai-dark); }
.rai-send {
    background: var(--rai-dark);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .12s;
}
.rai-send:hover:not(:disabled) { background: #1f1f1f; }
.rai-send:disabled { opacity: .4; cursor: default; }
.rai-send svg { width: 16px; height: 16px; }

.rai-status {
    padding: 16px;
    text-align: center;
    color: #4b5563;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.rai-status.error { color: #b91c1c; }

.rai-error {
    color: #b91c1c;
    font-size: 12px;
    padding: 8px 12px;
    background: #fef2f2;
    border-radius: 8px;
    margin: 6px 0;
}

/* End-of-chat sentiment survey */
.rai-survey {
    margin: 12px 0 4px;
    padding: 10px 12px;
    background: #fafafa;
    border: 1px solid #eef0f2;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rai-survey.submitted {
    background: #f3f7f4;
    border-color: #d8e6dd;
}
.rai-survey-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.rai-survey-label {
    font-size: 13px;
    color: #4b5563;
    flex: 1;
}
.rai-survey-emoji {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: background .12s, border-color .12s, transform .08s;
}
.rai-survey-emoji:hover:not(:disabled) {
    background: #fff;
    border-color: #d1d5db;
}
.rai-survey-emoji.picked {
    background: #fff;
    border-color: var(--rai-dark);
    transform: scale(1.08);
}
.rai-survey-emoji.dim { opacity: 0.4; }
.rai-survey-emoji:disabled { cursor: default; }
.rai-survey-detail {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.rai-survey-reason {
    width: 100%;
    box-sizing: border-box;
    font: inherit;
    font-size: 13px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 8px 10px;
    resize: vertical;
    min-height: 56px;
    outline: none;
}
.rai-survey-reason:focus { border-color: var(--rai-dark); }
.rai-survey-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
}
.rai-survey-cancel,
.rai-survey-submit,
.rai-survey-edit {
    font: inherit;
    font-size: 12px;
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    transition: opacity .12s, background .12s;
}
.rai-survey-cancel {
    background: transparent;
    border: 1px solid transparent;
    color: #4b5563;
}
.rai-survey-cancel:hover:not(:disabled) { background: #f3f4f6; }
.rai-survey-submit {
    background: var(--rai-dark);
    color: #fff;
    border: 1px solid var(--rai-dark);
}
.rai-survey-submit:hover:not(:disabled) { background: #1f1f1f; }
.rai-survey-submit:disabled,
.rai-survey-cancel:disabled,
.rai-survey-edit:disabled { opacity: .5; cursor: default; }
.rai-survey-edit {
    background: transparent;
    border: 1px solid #e5e7eb;
    color: #4b5563;
}
.rai-survey-edit:hover:not(:disabled) { background: #fff; }
.rai-survey-thanks {
    flex: 1;
    font-size: 13px;
    color: #1f6b40;
    display: flex;
    align-items: center;
    gap: 6px;
}
.rai-survey-emoji-static { font-size: 16px; }
.rai-survey-reason-display {
    font-size: 12px;
    color: #4b5563;
    font-style: italic;
    padding-left: 24px;
}