/* ── Theme Picker ── */
.theme-picker {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.theme-picker__btn {
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    transition: background 200ms, color 200ms;
}

.theme-picker__btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #f1f5f9;
}

.theme-picker__btn--active {
    background: #fbbf24;
    color: #1a1a2e;
    font-weight: 600;
}

/* ── Speed Control ── */
.speed-control {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.speed-control__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}

.speed-control__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: #fbbf24;
    border-radius: 50%;
    cursor: pointer;
}

.speed-control__slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #fbbf24;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.speed-control__labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: #64748b;
}

/* ── Message Editor ── */
.message-editor {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.message-editor__row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.message-editor__input {
    flex: 1;
    background: #1a1a2e;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 0.5rem 0.6rem;
    font-family: 'Share Tech Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    color: #f1f5f9;
    text-transform: uppercase;
    outline: none;
    transition: border-color 200ms;
}

.message-editor__input:focus {
    border-color: #fbbf24;
}

.message-editor__counter {
    font-size: 0.7rem;
    color: #64748b;
    min-width: 3ch;
    text-align: right;
    font-family: monospace;
}

.message-editor__counter--over {
    color: #f87171;
    font-weight: 600;
}

/* ── Sound Toggle ── */
.sound-toggle {
    display: flex;
    gap: 0.4rem;
}

.sound-toggle__btn {
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    transition: background 200ms, color 200ms;
}

.sound-toggle__btn--active {
    background: #fbbf24;
    color: #1a1a2e;
    font-weight: 600;
}

/* ── Action Buttons ── */
.action-btn {
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: opacity 200ms, transform 100ms;
}

.action-btn:hover {
    opacity: 0.9;
}

.action-btn:active {
    transform: scale(0.97);
}

.action-btn--primary {
    background: #fbbf24;
    color: #1a1a2e;
}

.action-btn--secondary {
    background: transparent;
    border: 1px solid #64748b;
    color: #cbd5e1;
}

/* ── Toast Notification ── */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #1e293b;
    color: #f1f5f9;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: transform 300ms ease, opacity 300ms ease;
    z-index: 1000;
    pointer-events: none;
}

.toast--visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ── Control Groups ── */
.control-group {
    margin-bottom: 1rem;
}

.control-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.4rem;
}