/* ---- Generic controls ---- */
        .control-group { margin-bottom: 12px; display: flex; align-items: center; gap: 12px; }
        .control-group > label { flex: 0 0 auto; min-width: 72px; max-width: 50%; margin-bottom: 0; }
        .control-group > :not(label) { flex: 1 1 auto; min-width: 0; }
        label { display: block; font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 1px; }
        label .val { color: var(--accent-yellow); font-weight: 700; }
        select {
            width: 100%; padding: 10px; background: var(--bg-secondary); border: 1px solid var(--border-color);
            border-radius: 8px; color: var(--text-primary); font-family: var(--font-ui); font-size: 0.95rem; outline: none;
        }
        select:focus { border-color: var(--accent-primary); box-shadow: 0 0 8px var(--focus-ring); }
        input[type="text"], input[type="password"] {
            width: 100%; padding: 10px; background: var(--bg-secondary); border: 1px solid var(--border-color);
            border-radius: 8px; color: var(--text-primary); font-family: var(--font-ui); font-size: 0.95rem; outline: none;
        }
        input[type="text"]:focus, input[type="password"]:focus { border-color: var(--accent-primary); box-shadow: 0 0 8px var(--focus-ring); }

        /* Stepper (– value +) */
        .stepper { display: flex; align-items: stretch; border: 1px solid var(--border-color); border-radius: 8px; overflow: hidden; background: var(--bg-secondary); touch-action: manipulation; }
        .stepper button {
            width: 38px; border: none; background: var(--bg-card); color: var(--accent-primary);
            font-size: 1.2rem; font-weight: 700; cursor: pointer; transition: background 0.15s ease; flex: none;
        }
        .stepper button:hover { background: var(--accent-primary); color: var(--bg-primary); }
        .stepper button:active { background: var(--accent-yellow); }
        .stepper .stepper-val {
            flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px;
            font-size: 1rem; font-weight: 700; color: var(--text-primary); padding: 9px 4px; cursor: default;
        }
        .stepper .stepper-val .unit { font-size: 0.7rem; color: var(--text-secondary); font-weight: 400; }
        #leftChancePeriodStepper, #rightChancePeriodStepper { flex: 0 0 auto; }
        #leftChancePeriodStepper .stepper-val, #rightChancePeriodStepper .stepper-val { flex: none; min-width: 28px; }
        /* Composite meter: up to 5 group steppers in ONE wrapping row, with the label as its first
           item. So the row fills with as many components as actually fit and only the overflow
           wraps — and because every flex line starts at the container's edge, a wrapped line sits
           at the left frame border rather than under the label. Steppers share the space evenly,
           growing to 84px at most; below 68px a two-digit value stops fitting between the buttons. */
        .group-row { display: flex; gap: 5px; flex-wrap: wrap; align-items: center; }
        .group-row > .grp-label { flex: 0 0 auto; min-width: 72px; max-width: 50%; margin: 0 7px 0 0; }
        .group-row > div { flex: 1 1 68px; min-width: 68px; max-width: 84px; }
        .group-row .stepper button { width: 24px; font-size: 1rem; }
        .group-row .stepper .stepper-val { padding: 9px 1px; min-width: 20px; }
        /* del / add sit after the last stepper and size to their text, so the steppers keep the row */
        .group-row > .grp-btn {
            flex: 0 0 auto; padding: 9px 8px; border: 1px solid var(--border-color); border-radius: 8px;
            background: var(--bg-card); color: var(--accent-primary); font-family: var(--font-ui);
            font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
            cursor: pointer; transition: background 0.15s ease;
        }
        .group-row > .grp-btn:hover { background: var(--accent-primary); color: var(--bg-primary); }
        .group-row > .grp-btn:active { background: var(--accent-yellow); }

        /* Slider */
        .slider-row { display: flex; align-items: center; gap: 10px; }
        .param-slider { flex: 1; width: 100%; height: 5px; border-radius: 3px; background: var(--bg-secondary); outline: none; -webkit-appearance: none; touch-action: none; }
        .param-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-green); cursor: pointer; }
        .param-slider::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--accent-green); cursor: pointer; border: none; }
        .slider-val { min-width: 42px; text-align: right; color: var(--accent-yellow); font-weight: 700; font-size: 0.9rem; }
        /* Prominent Chance slider — taller track, bigger thumb, more breathing room */
        .control-group.chance-cg { padding: 4px 0 6px; }
        .control-group.chance-cg .slider-row { min-height: 30px; }
        .param-slider.chance { height: 14px; border-radius: 7px; background: linear-gradient(90deg, var(--bg-secondary), var(--bg-card)); }
        .param-slider.chance::-webkit-slider-thumb { width: 26px; height: 26px; background: var(--accent-yellow); box-shadow: 0 0 8px var(--glow-yellow); }
        .param-slider.chance::-moz-range-thumb { width: 26px; height: 26px; background: var(--accent-yellow); box-shadow: 0 0 8px var(--glow-yellow); }

        /* Radio group / toggle */
        .radio-group { display: flex; gap: 8px; }
        .radio-btn {
            flex: 1; padding: 9px; background: var(--bg-secondary); border: 2px solid transparent; border-radius: 8px;
            text-align: center; cursor: pointer; transition: all 0.2s ease; font-weight: 600; text-transform: uppercase;
            letter-spacing: 1px; font-size: 0.85rem;
        }
        .radio-btn:hover { border-color: var(--accent-primary); }
        .radio-btn.active { background: var(--accent-primary); color: var(--bg-primary); }
        .toggle-btn-ui {
            width: 100%; padding: 11px; background: var(--bg-secondary); border: 2px solid transparent; border-radius: 8px;
            text-align: center; cursor: pointer; transition: all 0.2s ease; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 0.85rem;
        }
        .toggle-btn-ui:hover { border-color: var(--accent-yellow); }
        .toggle-btn-ui.active { background: var(--accent-yellow); color: var(--bg-primary); }

        /* Chip */
        .chip {
            display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 6px; padding: 10px 14px; background: var(--bg-secondary);
            border: 1px solid var(--border-color); border-radius: 10px; cursor: pointer; transition: all 0.2s ease; font-size: 0.85rem;
        }
        .chip:hover { border-color: var(--accent-primary); }
        .chip .chip-val { color: var(--accent-yellow); font-weight: 700; flex: 1; text-align: right; margin-right: 4px; }
        .chip .chip-arrow { color: var(--text-secondary); }

        /* Buttons */
        .btn {
            padding: 12px; border: none; border-radius: 10px; font-family: var(--font-display); font-size: 0.95rem;
            font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; cursor: pointer; transition: all 0.2s ease;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3); color: var(--btn-text); background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dk)); width: 100%;
        }
        .btn:hover { transform: translateY(-1px); box-shadow: 0 0 18px var(--glow-green); }
        .btn.playing { background: linear-gradient(135deg, var(--accent-secondary), var(--accent-secondary-dk)); }
        .btn.primary { background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary)); color: var(--bg-primary); }
        .btn.primary:hover { box-shadow: 0 0 18px var(--glow-primary); }
        .btn.small { padding: 9px; font-size: 0.8rem; letter-spacing: 1px; box-shadow: none; }
        .btn-ghost {
            padding: 9px 12px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-secondary);
            color: var(--text-primary); cursor: pointer; font-size: 0.85rem; transition: all 0.2s ease; font-weight: 600;
        }
        .btn-ghost:hover { background: var(--accent-primary); color: var(--bg-primary); }
        /* Random / Vary: a single gentle purplish tint sets them apart from the other ghost buttons */
        .btn-ghost.btn-rand, .btn-ghost.btn-vary { border-color: var(--accent-primary); color: var(--rand-text); background: var(--rand-bg); }
        .btn-ghost.btn-rand:hover, .btn-ghost.btn-vary:hover { background: var(--accent-primary); color: var(--bg-primary); }

        .row { display: flex; gap: 10px; align-items: center; }
        .row > * { flex: 1; }
        .row.tight { gap: 6px; }
        .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        /* Session header: name (½) + Save + Loop (¼ each), all equal height */
        .session-row { align-items: stretch; }
        .session-row > * { height: 42px; margin: 0; }
        .session-row input { padding: 0 12px; }
        .session-row .btn.small, .session-row .toggle-btn-ui { display: flex; align-items: center; justify-content: center; padding: 0 8px; }

        .readout { font-size: 0.82rem; color: var(--text-secondary); }
        .readout b { color: var(--accent-yellow); font-weight: 700; }
        .hint { font-size: 0.75rem; color: var(--text-secondary); font-style: italic; margin-top: 4px; }