.series-picker { position: relative; display: flex; align-items: center; gap: 8px; min-width: 0; }
.series-picker__label { flex: 0 0 auto; color: rgba(255,255,255,.54); font-size: 11px; font-weight: 900; }
.series-picker__toggle { display: flex; align-items: center; gap: 8px; min-width: 112px; max-width: 100%; height: 32px; padding: 0 10px; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; color: rgba(255,255,255,.86); background: rgba(0,0,0,.22); font: 800 12px Inter,sans-serif; text-align: left; cursor: pointer; }
.series-picker__toggle span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.series-picker__toggle i { width: 7px; height: 7px; flex: 0 0 7px; margin-left: auto; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-2px) rotate(45deg); }
.series-picker__toggle:hover { color: #fff4bb; border-color: rgba(232,214,141,.28); }
.series-picker__toggle:focus-visible { color: #fff4bb; border-color: rgba(232,214,141,.6); outline: 2px solid #e8d68d; outline-offset: 2px; }
.series-picker__menu { position: absolute; z-index: 30; top: calc(100% + 5px); right: 0; width: min(290px, calc(100vw - 48px)); max-height: min(390px, 60vh); overflow-y: auto; padding: 6px; border: 1px solid rgba(255,255,255,.13); border-radius: 10px; background: #111313; box-shadow: 0 18px 42px rgba(0,0,0,.5); }
.series-picker__menu[hidden] { display: none; }
.series-picker__menu button { display: block; width: 100%; min-height: 30px; padding: 5px 7px; border: 0; border-radius: 6px; color: rgba(255,255,255,.76); background: transparent; font: 750 11px/1.2 Inter,sans-serif; text-align: left; cursor: pointer; }
.series-picker__menu button:hover, .series-picker__menu button[aria-selected=true] { color: #fff; background: rgba(29,233,182,.12); }
.series-picker__menu button:focus-visible { color: #fff; background: rgba(29,233,182,.12); outline: 2px solid #e8d68d; outline-offset: -2px; }
.series-picker__menu button[aria-selected=true]::before { content: "✓"; display: inline-block; width: 15px; color: #1de9b6; }