/* ── Collab buckets plugin ── */

/* Decoration for bucket-bar tabs that represent a collab bucket. The core
   still renders the tab via its normal `.bucket-tab` rule; the plugin only
   layers a few extras on top: a small 👥 icon swap (done in JS), an unread
   dot pinned top-right, and a 3-cycle pulse animation when a fresh update
   arrives. */

.bucket-tab.bucket-tab-collab {
    position: relative;
    /* Subtle left emphasis so collab tabs read differently at a glance */
    box-shadow: inset 2px 0 0 0 color-mix(in srgb, var(--t-accent2) 70%, transparent);
}

.bucket-tab.bucket-tab-collab .collab-tab-dot {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--t-danger);
    border: 1px solid var(--t-bg);
    box-shadow: 0 0 6px color-mix(in srgb, var(--t-danger) 60%, transparent);
    pointer-events: none;
}

.bucket-tab.bucket-tab-collab.pulsing {
    animation: collab-bucket-pulse 1.2s ease-in-out 3;
}
/* Keep the 3-cycle cadence regardless of global animation-speed override */
body.anim-fast .bucket-tab.bucket-tab-collab.pulsing,
body.anim-slow .bucket-tab.bucket-tab-collab.pulsing {
    animation: collab-bucket-pulse 1.2s ease-in-out 3 !important;
    animation-duration: 1.2s !important;
}
@keyframes collab-bucket-pulse {
    0%, 100% {
        box-shadow: inset 2px 0 0 0 color-mix(in srgb, var(--t-accent2) 70%, transparent),
                    0 0 0 0 color-mix(in srgb, var(--t-danger) 60%, transparent);
    }
    50% {
        box-shadow: inset 2px 0 0 0 color-mix(in srgb, var(--t-accent2) 70%, transparent),
                    0 0 0 4px color-mix(in srgb, var(--t-danger) 0%, transparent);
    }
}

/* ── Create / edit modal (used by the + Bucket button when the plugin
      is loaded) ── */
.collab-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 240;
    background: var(--t-overlay, rgba(0,0,0,0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    backdrop-filter: blur(var(--ui-blur-overlay, 0px));
    -webkit-backdrop-filter: blur(var(--ui-blur-overlay, 0px));
}
.collab-modal {
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    background: var(--t-surface);
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-modal);
    box-shadow: var(--ui-shadow-modal);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.collab-modal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--t-border);
    flex-shrink: 0;
}
.collab-modal-close {
    background: transparent;
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-button);
    color: var(--t-muted);
    cursor: pointer;
    padding: 4px 8px;
    display: flex;
    align-items: center;
    transition: color 0.12s, border-color 0.12s;
}
.collab-modal-close:hover { color: var(--t-danger); border-color: var(--t-danger); }
.collab-modal-body {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.collab-field { display: block; margin-bottom: 14px; }
.collab-field:last-child { margin-bottom: 0; }
.collab-field.hidden { display: none; }
.collab-label {
    display: block;
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 9px;
    color: var(--t-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 5px;
}
.collab-input {
    width: 100%;
    background: var(--t-bg);
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-input);
    color: var(--t-bright);
    padding: 7px 10px;
    font-size: 12px;
    font-family: var(--t-font-content, 'JetBrains Mono', monospace);
    outline: none;
    transition: border-color 0.12s;
}
.collab-input:focus { border-color: var(--t-accent); }
.collab-color {
    width: 52px;
    height: 32px;
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-input);
    background: transparent;
    cursor: pointer;
    padding: 2px;
}

.collab-toggle-row {
    display: flex !important;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--t-bg);
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-input);
    cursor: pointer;
    font-size: 12px;
    color: var(--t-text);
    user-select: none;
}
.collab-toggle-row input { accent-color: var(--t-accent); cursor: pointer; }
.collab-toggle-row:hover { border-color: var(--t-accent); color: var(--t-bright); }

.collab-members-wrap { margin-top: 10px; }
.collab-members {
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-input);
    background: var(--t-bg);
    max-height: 200px;
    overflow-y: auto;
    padding: 4px;
}
.collab-members-empty {
    font-size: 11px;
    color: var(--t-dim);
    font-style: italic;
    padding: 8px 10px;
}
.collab-member-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--t-text);
    border-radius: 2px;
    user-select: none;
}
.collab-member-row:hover {
    background: var(--t-raised);
    color: var(--t-bright);
}
.collab-member-row input { cursor: pointer; accent-color: var(--t-accent); }

.collab-modal-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--t-border);
    flex-shrink: 0;
}
.collab-modal-status {
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 9px;
    color: var(--t-dim);
    min-height: 14px;
}
.collab-btn-cancel,
.collab-btn-submit {
    padding: 6px 14px;
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 10px;
    background: transparent;
    cursor: pointer;
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-button);
    color: var(--t-muted);
    transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.collab-btn-cancel:hover {
    color: var(--t-danger);
    border-color: var(--t-danger);
}
.collab-btn-submit {
    color: var(--t-accent);
    border-color: var(--t-accent);
}
.collab-btn-submit:hover {
    background: color-mix(in srgb, var(--t-accent) 12%, transparent);
}

.collab-readonly {
    display: block;
    padding: 7px 10px;
    background: var(--t-bg);
    border: 1px solid var(--t-border);
    border-radius: var(--ui-radius-input);
    color: var(--t-text);
    font-family: var(--t-font-content, 'JetBrains Mono', monospace);
    font-size: 12px;
}
.collab-hint {
    margin-top: 4px;
    font-size: 10px;
    color: var(--t-dim);
    font-style: italic;
}

/* ── Phase 4: exclusive edit-lock indicator on board cards ──
   Locked cards get a frosted overlay + centered lock icon. The card
   content underneath stays visible enough to read but is clearly
   "off-limits" — the cue is intentionally heavier than the old badge
   so the user can't miss it. */
.board-card.collab-locked {
    box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--t-accent2) 70%, transparent);
}
.board-card.collab-locked > *:not(.collab-lock-badge) {
    filter: blur(2px);
    opacity: 0.55;
    transition: filter 0.15s, opacity 0.15s;
}
.collab-lock-badge {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--t-accent2);
    background: color-mix(in srgb, var(--t-surface) 60%, transparent);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
    z-index: 6;
    pointer-events: none;
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 9px;
    text-align: center;
    padding: 4px 8px;
}
.collab-lock-badge i {
    font-size: 22px;
}
.collab-lock-badge span {
    color: var(--t-text);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Editor takeover (foreign lock arrived while editing) ── */
.collab-readonly-modal #inp-title,
.collab-readonly-modal #editor-body {
    opacity: 0.7;
    cursor: not-allowed;
}
.collab-readonly-modal #editor-body {
    background: color-mix(in srgb, var(--t-danger) 6%, transparent) !important;
}
.collab-save-blocked {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    pointer-events: auto;
}
.collab-takeover-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: color-mix(in srgb, var(--t-danger) 12%, transparent);
    border-bottom: 1px solid var(--t-danger);
    color: var(--t-bright);
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 10px;
    line-height: 1.5;
}
.collab-takeover-banner i {
    color: var(--t-danger);
    font-size: 16px;
    flex-shrink: 0;
}
.collab-takeover-banner b { color: var(--t-danger); }

/* ── Conflict toast (LWW losers stashed into the Conflicts bucket) ── */
.collab-conflict-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 220;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px 10px 12px;
    max-width: 480px;
    font-family: var(--t-font-pixel, 'Silkscreen', cursive);
    font-size: 10px;
    color: var(--t-bright);
    background: var(--t-surface);
    border: 1px solid var(--t-danger);
    border-radius: var(--ui-radius-modal);
    box-shadow: var(--ui-shadow-modal);
    transition: opacity 0.4s;
}
.collab-conflict-toast i.ph-warning { color: var(--t-danger); flex-shrink: 0; }
.collab-conflict-toast b { color: var(--t-danger); font-weight: 700; }
.collab-conflict-toast.fade-out { opacity: 0; }
/* Queued variant reuses the layout but switches the danger accents for
   a neutral info color — used for "relay was down, bucket is queued" and
   "queued bucket finally synced" messages. */
.collab-conflict-toast.collab-queued-toast {
    border-color: var(--t-accent2);
}
.collab-conflict-toast.collab-queued-toast i.ph-cloud-arrow-up {
    color: var(--t-accent2);
    flex-shrink: 0;
}
.collab-conflict-close {
    background: transparent;
    border: none;
    color: var(--t-dim);
    cursor: pointer;
    padding: 2px 4px;
    margin-left: 6px;
    display: flex;
    align-items: center;
}
.collab-conflict-close:hover { color: var(--t-danger); }

/* Lock toast: same shape as the conflict toast but accented with the
   collab/lock color. Reused for both the editor-takeover notification
   and the "your push was queued because someone else is editing" toast. */
.collab-conflict-toast.collab-lock-toast {
    border-color: var(--t-accent2);
}
.collab-conflict-toast.collab-lock-toast i.ph-lock-simple-fill {
    color: var(--t-accent2);
    flex-shrink: 0;
}
.collab-conflict-toast.collab-lock-toast b {
    color: var(--t-accent2);
}