markon-core 0.15.13

/* markon-live — the sphere morphs into the settings panel in-place on click.
 *
 * Note: --markon-live-user / --live-pulse-color are RUNTIME variables set
 * via JS (see collaboration-manager.ts), not design tokens. They share the
 * --markon-* prefix for legacy reasons but are not part of the editor.css
 * design palette and are not user-configurable through the styles panel. */

/* Collapsed sphere matches the narrow-screen TOC icon: neutral surface color,
   foreground used for the icon. User's broadcast color lives in the panel
   picker and on remote peers' focus pulse, not on the local sphere. */
.markon-live-container {
    position: fixed;
    z-index: var(--markon-z-chrome);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: default;
    /* All three modes (default / broadcasting / live-off) share a 2.5px
       stroke; only the color changes. Width parity makes the sphere read
       as the *same* element across modes — what differs is mode color, not
       chrome thickness. The same width is used by the ToC and Chat
       spheres/panels so the floating-layer family looks unified. */
    /* Ring = your identity colour (always). Falls back to a neutral border
       before a colour is assigned. */
    border: 2.5px solid var(--markon-live-user, var(--markon-border-emphasis));
    box-sizing: border-box;
    overflow: hidden;
    background-color: var(--markon-bg-elevated);
    /* Sphere icon is secondary chrome — uses --markon-fg-subtle so it
       doesn't punch as hard as the document body text. */
    color: var(--markon-fg-subtle);
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Broadcasting (speaker) — the identity-coloured inner ring (border) is joined
   by a soft outer ring (box-shadow, drawn outside the frame, not clipped by the
   container's overflow) that breathes slowly. Inner solid + outer breathing =
   "I'm broadcasting", calmer than a fast pulse. */
.markon-live-container.broadcasting {
    animation: markon-collab-breathe 3s ease-in-out infinite;
}
/* A soft glow hugging the sphere that gently breathes — "broadcasting" reads as
   the ball being quietly *lit*, not as a second hard ring. Blur (not a hard
   spread ring) + a moderate peak opacity keep it present but calm; only the
   opacity pulses. No gap ring — the glow sits directly on the sphere. */
@keyframes markon-collab-breathe {
    0%, 100% { box-shadow: 0 0 8px 2px color-mix(in srgb, var(--markon-live-user) 62%, transparent); }
    50%      { box-shadow: 0 0 8px 2px color-mix(in srgb, var(--markon-live-user) 18%, transparent); }
}

/* Expanded (panel) state — sphere becomes the panel rectangle in-place.
   Inherits the sphere's surface and text color so clicking feels like a
   pure geometric transform, not a skin swap. Border-radius = sphere radius
   (20px) so the anchor corner visually continues the sphere's curvature. */
.markon-live-container.expanded {
    --markon-modal-surface-border: var(--markon-live-user, var(--markon-border-emphasis));
    width: 260px;
    height: auto;
    max-width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
    cursor: default;
    display: block;
}

/* Sphere face — live icon when collapsed, close (X) icon when expanded.
   Clicking the face always toggles the panel, so a second click at the same
   spot is the exact reverse of the first. */
.markon-live-face {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.markon-live-face .icon-collab,
.markon-live-face .icon-close {
    pointer-events: none;
}

.markon-live-face .icon-close {
    display: none;
}

.markon-live-container.expanded .markon-live-face .icon-collab {
    display: none;
}

.markon-live-container.expanded .markon-live-face .icon-close {
    display: block;
}

/* The three face icons (live, off, close) are stacked at the same center so
   OFF can overlay its prohibited sign on top of the live icon, and the X
   (expanded state) replaces everything. */
.markon-live-face .icon-collab,
.markon-live-face .icon-off,
.markon-live-face .icon-close {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.markon-live-face .icon-off {
    display: none;
}
/* OFF mode: keep the live icon visible, overlay the prohibited sign on top. */
.markon-live-container.live-off .markon-live-face .icon-off {
    display: block;
}
/* Expanded: X replaces both — X is later in DOM so it overlays naturally. */
.markon-live-container.expanded .markon-live-face .icon-collab,
.markon-live-container.expanded .markon-live-face .icon-off {
    display: none;
}

/* OFF mode: the container's 2.5px border is the ring of the prohibited sign
   and the SVG draws only the slash on top. The slash mirrors the ring's exact
   colour expression — the author colour when one is assigned, the neutral
   border fallback otherwise — so ring + slash always read as one consistent 🚫
   instead of an author-coloured ring fighting a grey slash. */
.markon-live-container.live-off .icon-off {
    color: var(--markon-live-user, var(--markon-border-emphasis));
}

/* When expanded, face becomes a 40×40 button pinned to the panel's
   top-left corner — the exact position the sphere occupied before expand. */
.markon-live-container.expanded .markon-live-face {
    position: absolute;
    top: var(--markon-modal-frame-inset);
    left: var(--markon-modal-frame-inset);
    width: 40px;
    height: 40px;
    z-index: var(--markon-z-content-overlay);
    border-radius: var(--markon-radius-lg) 0 0 0;
}

/* Hover spin on the X close button — playful affordance confirming the
   button is interactive. Rotation is on the icon only so the 40×40 hit
   area and hover detection stay unchanged. */
.markon-live-container.expanded .markon-live-face .icon-close {
    transition: transform 0.35s ease;
}
.markon-live-container.expanded .markon-live-face:hover .icon-close {
    transform: translate(-50%, -50%) rotate(180deg);
}

/* The breathing ring (see .broadcasting above) makes no sense once the face
   collapses to a small corner button inside the expanded panel. */
.markon-live-container.expanded.broadcasting {
    animation: none;
}

/* Leader indicator — a colored dot above the sphere when following. Identity
   is the speaker's color, nothing else (no names). */
.markon-live-face .leader-info {
    position: absolute;
    bottom: 48px;
    right: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--leader-color, currentColor);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

html[data-theme="dark"] .markon-live-face .leader-info {
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.6);
}

.markon-live-face .leader-info.show {
    opacity: 1;
    transform: translateY(0);
}

/* Body — panel content. display-swapped with the face like the TOC menu.
   Gap is the single source of vertical rhythm between rows; individual
   rows don't carry their own padding so the spacing stays uniform. */
.markon-live-body {
    display: none;
    position: relative;
    z-index: 1;
    padding: 8px 16px 16px;
    box-sizing: border-box;
    flex-direction: column;
    gap: 0;
}

.markon-live-container.expanded .markon-live-body {
    display: flex;
}

/* Header occupies the same 40px top band as the X face, so the title sits
   on the same visual row as the close button instead of a line below it. */
.markon-live-body .panel-header {
    font-weight: bold;
    font-size: 14px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    margin: 0 32px 12px;
    user-select: none;
}

.markon-live-body .panel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

/* Mode row: single centered pill. The pill itself is the mode selector; no
   separate label — three self-describing buttons plus the panel title
   "Live" above is enough context. Centered so Broadcast's midpoint (middle
   button of an Off/Follow-symmetric pill) coincides with the panel center. */
.markon-live-body .panel-row-mode {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Section marker — compact icon above the identity / Live groups. */
.markon-live-body .panel-section-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 18px;
    color: color-mix(in srgb, var(--markon-fg-muted) 78%, var(--markon-fg-default));
    gap: 10px;
    line-height: 1;
    margin: 0 0 8px;
}

.markon-live-body .panel-section-label::before,
.markon-live-body .panel-section-label::after {
    content: "";
    height: 1px;
    flex: 1 1 0;
    background: color-mix(in srgb, var(--markon-border-default) 72%, transparent);
}

.markon-live-body .panel-section-label svg {
    display: block;
    flex: 0 0 auto;
}

/* Identity row: colour picker + nickname input. Always interactive — your
   colour is your shared identity (used by annotation authorship), not a
   broadcast-only sub-option. */
.markon-live-body .panel-row-color {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 16px;
}

.markon-live-body .identity-name {
    width: 100%;
    height: 26px;
    box-sizing: border-box;
    padding: 4px 8px;
    font: inherit;
    font-size: 12px;
    border: 1px solid var(--markon-border-default);
    border-radius: var(--markon-radius-sm);
    background: var(--markon-bg-default);
    color: var(--markon-fg-default);
    text-align: center;
}

.markon-live-body .identity-name::placeholder {
    color: var(--markon-fg-muted);
    opacity: 0.85;
}

/* Picker centers on the panel center ⇒ same center as the Broadcast button
   above. Fixed gap (instead of space-between) so the active dot can steal
   a couple of pixels from its neighbors to pay for its outline ring. */
.markon-live-body .color-picker {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 25px;
    gap: 7px;
    flex-wrap: nowrap;
}

.markon-live-body .color-dot {
    width: 21px;
    height: 21px;
    border-radius: 50%;
    cursor: pointer;
    box-sizing: border-box;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--markon-fg-on-emphasis);
    font-size: 10px;
    font-weight: 600;
    line-height: 1;
    user-select: none;
    /* Slight shadow for legibility on lighter backgrounds. */
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}

/* Active indicator: thin ring hugging the dot in the dot's own color
   (piped through the --dot-color custom property that's set inline per
   swatch). Width stays the same as before; only the color changes so the
   active state reads as "this swatch, underlined in itself". */
.markon-live-body .color-dot.active {
    outline: 1.5px solid var(--dot-color, rgba(0, 0, 0, 0.7));
    outline-offset: 1px;
    /* Reserve extra horizontal space so the ring doesn't steal from the
       neighbor dots' visual gap; only the active dot pays this cost so the
       row still feels evenly distributed around it. */
    margin: 0 3px;
}

/* Segmented mode picker: Off | Broadcast | Follow. Fixed group width +
   flex share makes Off and Follow render at identical widths regardless of
   font rendering, which is what guarantees Broadcast's center equals the
   group's center — and thus the panel's center. */
.markon-live-body .mode-group {
    display: flex;
    width: 100%;
    max-width: 220px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.06);
}

html[data-theme="dark"] .markon-live-body .mode-group {
    background: rgba(255, 255, 255, 0.08);
}

.markon-live-body .mode-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: inherit;
    padding: 7px 14px;
    font: inherit;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    border-radius: 999px;
    transition: background-color 0.12s, color 0.12s;
    text-align: center;
    white-space: nowrap;
}

/* Broadcast keeps its natural content width; Off and Follow split whatever
   remains in the group equally. Symmetry is structural, not dependent on a
   min-width guess against the current font. */
.markon-live-body .mode-btn[data-mode="broadcast"] {
    flex: 0 0 auto;
}
.markon-live-body .mode-btn[data-mode="off"],
.markon-live-body .mode-btn[data-mode="follow"] {
    flex: 1 1 0;
    min-width: 0;
}

.markon-live-body .mode-btn:hover {
    background: var(--markon-bg-hover);
}

.markon-live-body .mode-btn.active {
    background: var(--markon-accent);
    color: var(--markon-fg-on-emphasis);
}

/* Breathing pulse on the focused heading-section. Starts as a ring in the
   speaker's color (injected via --live-pulse-color) and fades out.
   Implemented via ::after so the pulse's box-shadow paints on top of the
   parent's border (a plain box-shadow on the element itself would render
   behind the border and look dimmed). */
.markon-live-focus-pulse::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    z-index: var(--markon-z-content-overlay);
    animation: markon-live-focus-pulse 1.4s ease-out;
}

@keyframes markon-live-focus-pulse {
    0%   { box-shadow: 0 0 0 5px var(--live-pulse-color, rgba(9, 105, 218, 0.55)); }
    60%  { box-shadow: 0 0 0 3px var(--live-pulse-color, rgba(9, 105, 218, 0.28)); }
    100% { box-shadow: 0 0 0 0 transparent; }
}