/* ======================================================================
   Broadcast UI — button, event-picker popover, and "On Air" info bar
   Single source of truth: loaded by pro.html, standard.html, subtitles.html.
   ====================================================================== */

/* Broadcast button wrapper — positioning anchor for the popover */
.broadcast-btn-wrap {
    position: relative;
}

/* Broadcast button — secondary style with .active red state while live */
.broadcast-btn {
    color: var(--color-text-secondary);
    background: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-border);
}

.broadcast-btn:hover {
    color: var(--color-text-primary);
    background: var(--btn-secondary-hover-bg);
    border-color: var(--color-text-tertiary);
}

.broadcast-btn.active {
    background: var(--color-error);
    color: var(--color-text-on-brand);
    border-color: var(--color-error);
}

/* On Air 後主按鈕鎖為不可點的灰態 — 停止只走 On Air 列的停止鈕，杜絕誤觸停播 */
.broadcast-btn:disabled,
.broadcast-btn:disabled:hover {
    color: var(--color-text-tertiary);
    background: var(--btn-secondary-bg);
    border-color: var(--btn-secondary-border);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Event-picker popover — shown when user has live events to choose from */
.broadcast-popover {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 4px 0;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--transition-fast),
                transform var(--transition-fast),
                visibility var(--transition-fast);
}

.broadcast-popover.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.broadcast-popover-list {
    display: flex;
    flex-direction: column;
}

.broadcast-popover-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
    transition: background 80ms ease;
}

.broadcast-popover-item:hover {
    background: rgba(var(--overlay-rgb), 0.06);
}

.broadcast-popover-item .popover-icon {
    display: flex;
    color: var(--color-text-tertiary);
}

.broadcast-popover-item .popover-icon .lucide {
    width: 14px;
    height: 14px;
}

.broadcast-popover-item.item-temp .popover-icon {
    color: var(--color-brand);
}

.broadcast-popover-sep {
    height: 1px;
    background: rgba(var(--overlay-rgb), 0.08);
    margin: 4px 0;
}

/* "On Air" info bar — slides in while broadcasting */
.broadcast-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 24px;
    background: rgba(var(--error-rgb), 0.08);
    border-bottom: 1px solid rgba(var(--error-rgb), 0.2);
    max-height: 0;
    opacity: 0;
    padding: 0 24px;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.25s ease,
                padding 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                overflow 0s 0.35s;
}

.broadcast-bar.active {
    max-height: 60px;
    opacity: 1;
    padding: 8px 24px;
    overflow: visible;
    transition: max-height 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.25s ease,
                padding 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                overflow 0s 0.35s;
}

.broadcast-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.broadcast-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-error);
    animation: broadcastBlink 1s infinite;
}

@keyframes broadcastBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

.broadcast-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-error);
}

.broadcast-viewer-count {
    font-size: 12px;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    padding: 2px 10px;
    border-radius: 10px;
}

.broadcast-bar-right {
    display: flex;
    gap: 8px;
}

.broadcast-copy-btn,
.broadcast-stop-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

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

.broadcast-stop-btn {
    color: var(--color-error);
    border-color: rgba(var(--error-rgb), 0.3);
}

.broadcast-stop-btn:hover {
    background: var(--color-error);
    color: var(--color-text-on-brand);
    border-color: var(--color-error);
}

/* 停止鈕「再按一次確定」確認態 — 靜態紅底即足以區別。點擊瞬間由 .broadcast-stop-btn
   的 transition 平滑變紅 + 文字改變，已是夠強的視覺提示，不用持續動畫避免躁動。 */
.broadcast-stop-btn.confirm {
    background: var(--color-error);
    color: var(--color-text-on-brand);
    border-color: var(--color-error);
    font-weight: 600;
}