/* ════════════════════════════════════════
   ACTOR TRAJECTORIES
   ════════════════════════════════════════ */

/* ── Panel ── */
.at-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 32px 24px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

/* Subtle background glow */
.at-panel::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(0, 207, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

/* ── Header ── */
.at-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.at-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px;
    letter-spacing: 0.02em;
}

.at-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.at-period {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    text-align: right;
    white-space: nowrap;
}

/* ── Selected actor chips ── */
.at-selected-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    min-height: 32px;
    align-items: center;
}

.at-chip {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 4px 10px 4px 8px;
    border-radius: 20px;
    border: 1px solid;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
    user-select: none;
}

.at-chip:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
}

.at-chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.at-chip-name {
    color: rgba(255, 255, 255, 0.9);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.at-chip-rate {
    font-family: var(--font-mono);
    font-size: 0.63rem;
    font-weight: 700;
    margin-left: 2px;
}

.at-chip-remove {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    margin-left: 2px;
    line-height: 1;
    transition: color 0.15s;
}

.at-chip:hover .at-chip-remove {
    color: rgba(255, 255, 255, 0.7);
}

/* ── Body: chart + sidebar ── */
.at-body {
    display: flex;
    gap: 14px;
    align-items: stretch;
    height: 300px;
}

/* ── Chart wrapper ── */
.at-chart-wrap {
    flex: 1;
    min-width: 0;
    position: relative;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 16px 12px 8px;
}

/* ── Empty state ── */
.at-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.2);
    font-style: italic;
}

/* ── Sidebar ── */
.at-sidebar {
    width: 210px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.18);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    /* height is governed by .at-body via align-items: stretch */
}

/* ── Sidebar header ── */
.at-sidebar-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
}

.at-sidebar-label {
    font-family: var(--font-mono);
    font-size: 0.52rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: rgba(255, 255, 255, 0.3);
}

.at-sidebar-count {
    font-family: var(--font-mono);
    font-size: 0.52rem;
    color: rgba(255, 255, 255, 0.18);
}

.at-sidebar-count.at-count-full {
    color: rgba(255, 193, 7, 0.55);
}

/* ── Category tabs ── */
.at-cat-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    padding: 6px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
}

.at-cat-tab {
    padding: 4px 4px;
    border-radius: 5px;
    border: 1px solid transparent;
    background: transparent;
    color: rgba(255, 255, 255, 0.3);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.at-cat-tab:hover {
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.04);
}

.at-cat-tab.active {
    color: var(--accent);
    background: rgba(0, 207, 255, 0.08);
    border-color: rgba(0, 207, 255, 0.2);
}

/* ── Sidebar search ── */
.at-sidebar-search-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
}

.at-sidebar-search-icon {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    line-height: 1;
}

.at-search {
    flex: 1;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0;
    outline: none;
    min-width: 0;
}

.at-search::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

/* ── Sidebar list ── */
.at-sidebar-list {
    flex: 1;
    min-height: 0;       /* critical: allows flex child to shrink below content size */
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
    padding: 4px 0 6px;
}

/* ── Category group header ── */
.at-dd-group-label {
    font-family: var(--font-mono);
    font-size: 0.48rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: rgba(255, 255, 255, 0.2);
    padding: 8px 12px 3px;
}

/* ── Sidebar item ── */
.at-dd-item {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 5px 12px;
    cursor: pointer;
    transition: background 0.12s;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.55);
    user-select: none;
}

.at-dd-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.85);
}

.at-dd-item.active {
    color: rgba(255, 255, 255, 0.88);
}

.at-dd-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.at-dd-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.7rem;
}

.at-dd-rate {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
}

.at-dd-item.active .at-dd-rate {
    color: inherit;
    opacity: 0.7;
}

.at-dd-check {
    font-size: 0.6rem;
    color: var(--accent);
    opacity: 0;
    flex-shrink: 0;
    width: 10px;
    text-align: center;
}

.at-dd-item.active .at-dd-check {
    opacity: 1;
}

/* ── Max actors warning ── */
.at-max-warning {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: rgba(255, 193, 7, 0.6);
    padding: 4px 10px;
    border-radius: 10px;
    background: rgba(255, 193, 7, 0.06);
    border: 1px solid rgba(255, 193, 7, 0.15);
}