/* Afinador v2 — interfaz tipo aguja, mensajes claros */
.tuner-v2 {
    margin-top: 16px;
    padding: 0;
}

.tuner-v2-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.tuner-v2-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
}

.tuner-v2-settings {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.tuner-v2-settings label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    flex: 1 1 140px;
}

.tuner-v2-settings select {
    width: 100%;
}

.tuner-v2-mic-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 20px;
    border: none;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tuner-v2-mic-btn:active {
    transform: scale(0.98);
}

.tuner-v2-mic-btn.is-off {
    background: linear-gradient(135deg, #5856d6, #7c4dff);
    color: #fff;
    box-shadow: 0 6px 20px rgba(88, 86, 214, 0.35);
}

.tuner-v2-mic-btn.is-on {
    background: linear-gradient(135deg, #ff3b30, #ff6b6b);
    color: #fff;
    box-shadow: 0 6px 24px rgba(255, 59, 48, 0.45);
    animation: tuner-v2-pulse 1.8s ease-in-out infinite;
}

@keyframes tuner-v2-pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(255, 59, 48, 0.35); }
    50% { box-shadow: 0 6px 32px rgba(255, 59, 48, 0.65); }
}

.tuner-v2-strings {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    min-height: 0;
}

.tuner-v2-strings.is-hidden {
    display: none;
}

.tuner-v2-string-chip {
    flex: 1 1 calc(33% - 8px);
    min-width: 72px;
    padding: 10px 8px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-main);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.tuner-v2-string-chip:hover {
    border-color: var(--accent-color);
}

.tuner-v2-string-chip.is-target {
    border-color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color) 18%, var(--input-bg));
}

.tuner-v2-string-chip.is-active {
    border-color: #34c759;
    background: color-mix(in srgb, #34c759 22%, var(--input-bg));
    box-shadow: 0 0 0 2px color-mix(in srgb, #34c759 40%, transparent);
}

.tuner-v2-string-chip small {
    display: block;
    font-size: 0.65rem;
    color: var(--text-dim);
    font-weight: 600;
    margin-top: 2px;
}

.tuner-v2-panel {
    background: linear-gradient(165deg, color-mix(in srgb, var(--card-bg) 90%, #000) 0%, var(--card-bg) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 20px 16px 18px;
    text-align: center;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.tuner-v2-panel.state-idle {
    opacity: 0.92;
}

.tuner-v2-panel.state-flat {
    border-color: color-mix(in srgb, #ff9500 55%, var(--border-color));
    box-shadow: 0 0 28px color-mix(in srgb, #ff9500 15%, transparent);
}

.tuner-v2-panel.state-sharp {
    border-color: color-mix(in srgb, #ff3b30 55%, var(--border-color));
    box-shadow: 0 0 28px color-mix(in srgb, #ff3b30 15%, transparent);
}

.tuner-v2-panel.state-ok {
    border-color: color-mix(in srgb, #34c759 65%, var(--border-color));
    box-shadow: 0 0 36px color-mix(in srgb, #34c759 22%, transparent);
}

.tuner-v2-note-row {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 6px;
    margin-bottom: 4px;
}

.tuner-v2-note {
    font-size: clamp(3.5rem, 14vw, 5.5rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--text-main);
    transition: color 0.15s;
}

.tuner-v2-panel.state-ok .tuner-v2-note {
    color: #34c759;
}

.tuner-v2-octave {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-dim);
    padding-bottom: 0.35em;
}

.tuner-v2-target-label {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 12px;
    min-height: 1.2em;
}

.tuner-v2-direction {
    font-size: clamp(1.25rem, 4.5vw, 1.65rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
    min-height: 1.4em;
    line-height: 1.2;
}

.tuner-v2-direction.dir-flat {
    color: #ff9500;
}

.tuner-v2-direction.dir-sharp {
    color: #ff453a;
}

.tuner-v2-direction.dir-ok {
    color: #34c759;
}

.tuner-v2-direction.dir-idle {
    color: var(--text-dim);
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    font-size: 1rem;
}

.tuner-v2-subhint {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 16px;
    min-height: 1.3em;
}

.tuner-v2-gauge-wrap {
    position: relative;
    margin: 0 auto 8px;
    max-width: 340px;
    padding: 0 8px;
}

.tuner-v2-gauge-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
    color: var(--text-dim);
}

.tuner-v2-gauge-labels .lbl-flat {
    color: #ff9500;
}

.tuner-v2-gauge-labels .lbl-sharp {
    color: #ff453a;
}

.tuner-v2-gauge-track {
    position: relative;
    height: 22px;
    border-radius: 11px;
    background: var(--section-bg);
    overflow: visible;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25);
}

.tuner-v2-gauge-zones {
    position: absolute;
    inset: 0;
    border-radius: 11px;
    background: linear-gradient(
        90deg,
        #ff9500 0%,
        #ffcc00 18%,
        #34c759 42%,
        #34c759 58%,
        #ffcc00 82%,
        #ff453a 100%
    );
    opacity: 0.35;
}

.tuner-v2-gauge-center {
    position: absolute;
    left: 50%;
    top: -4px;
    bottom: -4px;
    width: 4px;
    margin-left: -2px;
    background: #fff;
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
    z-index: 2;
}

.tuner-v2-needle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    background: #fff;
    border: 3px solid #1c1c1e;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
    z-index: 4;
    transition: left 0.08s linear;
    pointer-events: none;
}

.tuner-v2-cents {
    font-size: 1.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    margin-top: 12px;
    min-height: 1.5em;
}

.tuner-v2-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

.tuner-v2-level-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    padding: 0 8px;
}

.tuner-v2-level-wrap span {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
}

.tuner-v2-level-bar {
    flex: 1;
    height: 6px;
    background: var(--section-bg);
    border-radius: 3px;
    overflow: hidden;
}

.tuner-v2-level-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-color);
    border-radius: 3px;
    transition: width 0.06s linear, background 0.15s;
}

.tuner-v2-help {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.45;
    text-align: left;
    padding: 10px 12px;
    background: color-mix(in srgb, var(--input-bg) 80%, transparent);
    border-radius: 12px;
}