.sso-tuner,
.sso-tuner * {
    box-sizing: border-box;
}

.sso-tuner {
    --sso-ink: #151b22;
    --sso-muted: #5d6673;
    --sso-line: #dce5e2;
    --sso-soft: #f5f8f7;
    --sso-surface: #ffffff;
    --sso-green: #0f9f83;
    --sso-green-soft: #dff6ef;
    --sso-red: #d94b56;
    --sso-red-soft: #ffe9eb;
    --sso-blue: #2e6fca;
    --sso-blue-soft: #e8f0ff;
    --sso-gold: #d2a12c;
    --sso-gold-soft: #fff5d7;
    --sso-shadow: 0 18px 42px rgba(18, 27, 34, 0.09);
    --sso-needle-left: 50%;
    --sso-state-color: var(--sso-blue);
    width: 100%;
    margin: 24px auto;
    color: var(--sso-ink);
    font-family: inherit;
}

.sso-tuner[data-sso-state="low"] {
    --sso-state-color: var(--sso-blue);
}

.sso-tuner[data-sso-state="high"] {
    --sso-state-color: var(--sso-red);
}

.sso-tuner[data-sso-state="tuned"] {
    --sso-state-color: var(--sso-green);
}

.sso-tuner[data-sso-state="waiting"] {
    --sso-state-color: var(--sso-gold);
}

.sso-tuner[data-sso-state="error"] {
    --sso-state-color: var(--sso-red);
}

.sso-tuner button,
.sso-tuner input {
    font: inherit;
}

.sso-tuner__shell {
    position: relative;
    overflow: hidden;
    width: min(100%, 1060px);
    margin: 0 auto;
    padding: 30px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 250, 249, 0.97)),
        var(--sso-surface);
    box-shadow: var(--sso-shadow);
}

.sso-tuner__shell::before {
    position: absolute;
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, var(--sso-green), var(--sso-blue), var(--sso-gold), var(--sso-red));
    content: "";
}

.sso-violin-art {
    position: absolute;
    top: 20px;
    right: -18px;
    width: min(34%, 330px);
    min-width: 230px;
    opacity: 0.13;
    pointer-events: none;
    transform-origin: 50% 35%;
    animation: sso-violin-float 7s ease-in-out infinite;
}

.sso-violin-art svg {
    display: block;
    width: 100%;
    height: auto;
}

.sso-violin-art path {
    fill: none;
    stroke: #16212b;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sso-violin-art__body {
    stroke-width: 8;
}

.sso-violin-art__neck,
.sso-violin-art__bridge,
.sso-violin-art__sound {
    stroke-width: 6;
}

.sso-violin-art__strings {
    stroke-width: 2;
}

.sso-tuner__header {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 0 22px;
}

.sso-tuner h2,
.sso-tuner h3,
.sso-tuner p {
    margin-top: 0;
}

.sso-tuner__eyebrow {
    width: fit-content;
    margin: 0 0 10px;
    padding: 6px 10px;
    border: 1px solid rgba(15, 159, 131, 0.24);
    border-radius: 8px;
    background: var(--sso-green-soft);
    color: #087866;
    font-size: 0.78rem;
    font-weight: 850;
    line-height: 1;
    text-transform: uppercase;
}

.sso-tuner h2 {
    margin-bottom: 10px;
    color: var(--sso-ink);
    font-size: 2.15rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.12;
}

.sso-tuner__header p:not(.sso-tuner__eyebrow) {
    max-width: 72ch;
    margin-bottom: 0;
    color: var(--sso-muted);
    font-size: 1rem;
    line-height: 1.65;
}

.sso-tuner__workspace {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 16px;
    align-items: stretch;
}

.sso-panel {
    min-width: 0;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.91);
}

.sso-panel--meter {
    display: grid;
    gap: 16px;
    padding: 20px;
}

.sso-panel--settings {
    display: grid;
    align-content: start;
    gap: 16px;
    padding: 18px;
}

.sso-live-status {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    min-height: 36px;
    color: var(--sso-muted);
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.35;
}

.sso-live-status__dot {
    flex: 0 0 auto;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--sso-state-color);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--sso-state-color) 16%, transparent);
}

.is-listening .sso-live-status__dot {
    animation: sso-pulse 1.35s ease-in-out infinite;
}

.sso-live-status strong {
    margin-left: auto;
    color: var(--sso-ink);
    font-size: 0.9rem;
    font-weight: 950;
    line-height: 1.25;
    text-align: right;
}

.sso-note-card {
    display: grid;
    gap: 8px;
    min-width: 0;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--sso-state-color) 42%, var(--sso-line));
    border-radius: 8px;
    background: linear-gradient(180deg, #ffffff, color-mix(in srgb, var(--sso-state-color) 7%, #ffffff));
}

.sso-note-card__label {
    color: var(--sso-muted);
    font-size: 0.82rem;
    font-weight: 850;
    line-height: 1.2;
    text-transform: uppercase;
}

.sso-note-card__main {
    display: flex;
    align-items: end;
    gap: 14px;
    min-width: 0;
}

.sso-note-card__main strong {
    color: var(--sso-state-color);
    font-size: 4.4rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 0.95;
}

.sso-note-card__main span {
    padding-bottom: 8px;
    color: var(--sso-ink);
    font-size: 1.15rem;
    font-weight: 900;
    line-height: 1.2;
}

.sso-note-card p {
    max-width: 64ch;
    margin-bottom: 0;
    color: var(--sso-muted);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.55;
}

.sso-meter {
    display: grid;
    gap: 9px;
    min-width: 0;
}

.sso-meter__labels,
.sso-meter__hints {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    color: var(--sso-muted);
    font-size: 0.82rem;
    font-weight: 850;
    line-height: 1.2;
}

.sso-meter__labels span:nth-child(2),
.sso-meter__hints span:nth-child(2) {
    text-align: center;
}

.sso-meter__labels span:nth-child(3),
.sso-meter__hints span:nth-child(3) {
    text-align: right;
}

.sso-meter__track {
    position: relative;
    overflow: hidden;
    height: 34px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: #edf3f2;
}

.sso-meter__zone {
    position: absolute;
    inset: 0 auto 0 0;
}

.sso-meter__zone--left {
    width: 46%;
    background: linear-gradient(90deg, rgba(46, 111, 202, 0.34), rgba(46, 111, 202, 0.08));
}

.sso-meter__zone--center {
    left: 46%;
    width: 8%;
    background: linear-gradient(90deg, rgba(15, 159, 131, 0.16), rgba(15, 159, 131, 0.42), rgba(15, 159, 131, 0.16));
}

.sso-meter__zone--right {
    right: 0;
    left: auto;
    width: 46%;
    background: linear-gradient(90deg, rgba(217, 75, 86, 0.08), rgba(217, 75, 86, 0.34));
}

.sso-meter__needle {
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: var(--sso-needle-left);
    width: 5px;
    border-radius: 8px;
    background: var(--sso-state-color);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.76), 0 8px 18px rgba(21, 27, 34, 0.18);
    transform: translateX(-50%);
    transition: left 170ms ease, background-color 170ms ease;
}

.sso-readouts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.sso-readout {
    display: grid;
    gap: 4px;
    min-width: 0;
    min-height: 72px;
    padding: 12px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: var(--sso-soft);
}

.sso-readout span {
    color: var(--sso-muted);
    font-size: 0.78rem;
    font-weight: 850;
    line-height: 1.2;
    text-transform: uppercase;
}

.sso-readout strong {
    min-width: 0;
    color: var(--sso-ink);
    font-size: 1.08rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.18;
    overflow-wrap: anywhere;
}

.sso-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sso-button,
.sso-toggle,
.sso-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 11px 14px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--sso-ink);
    font-size: 0.95rem;
    font-weight: 900;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background-color 160ms ease;
}

.sso-button:hover,
.sso-toggle:hover,
.sso-reset:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--sso-state-color) 48%, var(--sso-line));
    box-shadow: 0 10px 20px rgba(18, 27, 34, 0.08);
}

.sso-button:focus-visible,
.sso-toggle:focus-visible,
.sso-reset:focus-visible,
.sso-string:focus-visible,
.sso-calibration input:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--sso-state-color) 32%, transparent);
    outline-offset: 2px;
}

.sso-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    box-shadow: none;
}

.sso-button--primary {
    border-color: var(--sso-green);
    background: var(--sso-green);
    color: #ffffff;
}

.sso-button--primary:hover {
    border-color: #087866;
    background: #087866;
}

.sso-permission-note {
    margin-bottom: 0;
    color: var(--sso-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.sso-mode {
    display: grid;
    gap: 8px;
}

.sso-mode span,
.sso-calibration label,
.sso-frequency-table h3 {
    color: var(--sso-ink);
    font-size: 0.95rem;
    font-weight: 950;
    line-height: 1.25;
}

.sso-toggle {
    width: 100%;
    background: var(--sso-blue-soft);
    color: #184f99;
}

.sso-toggle[aria-pressed="true"] {
    border-color: rgba(15, 159, 131, 0.42);
    background: var(--sso-green-soft);
    color: #087866;
}

.sso-string-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.sso-string {
    display: grid;
    gap: 4px;
    min-width: 0;
    min-height: 98px;
    padding: 13px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--sso-ink);
    text-align: left;
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background-color 160ms ease;
}

.sso-string:hover {
    transform: translateY(-1px);
    border-color: rgba(46, 111, 202, 0.35);
    box-shadow: 0 10px 20px rgba(18, 27, 34, 0.07);
}

.sso-string.is-active {
    border-color: color-mix(in srgb, var(--sso-state-color) 52%, var(--sso-line));
    background: color-mix(in srgb, var(--sso-state-color) 8%, #ffffff);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sso-state-color) 18%, transparent);
}

.sso-string strong {
    color: var(--sso-ink);
    font-size: 1.8rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1;
}

.sso-string span {
    color: var(--sso-muted);
    font-size: 0.88rem;
    font-weight: 850;
    line-height: 1.2;
}

.sso-string small {
    color: var(--sso-state-color);
    font-size: 0.84rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.2;
}

.sso-calibration {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: var(--sso-soft);
}

.sso-calibration__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
}

.sso-calibration input[type="number"] {
    width: 100%;
    min-height: 42px;
    padding: 9px 10px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--sso-ink);
    font-size: 1rem;
    font-weight: 900;
    line-height: 1.2;
}

.sso-calibration__row span {
    color: var(--sso-muted);
    font-size: 0.95rem;
    font-weight: 900;
}

.sso-calibration__range {
    width: 100%;
    accent-color: var(--sso-green);
}

.sso-reset {
    width: 100%;
    min-height: 40px;
    padding: 9px 12px;
    font-size: 0.88rem;
}

.sso-frequency-table {
    display: grid;
    gap: 8px;
}

.sso-frequency-table h3 {
    margin-bottom: 2px;
}

.sso-frequency-table div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 38px;
    padding: 8px 10px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: #ffffff;
}

.sso-frequency-table span {
    color: var(--sso-muted);
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.25;
}

.sso-frequency-table strong {
    flex: 0 0 auto;
    color: var(--sso-ink);
    font-size: 0.9rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.25;
}

.sso-seo-copy {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.sso-seo-copy section {
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--sso-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.88);
}

.sso-seo-copy h3 {
    margin-bottom: 8px;
    color: var(--sso-ink);
    font-size: 1.05rem;
    font-weight: 950;
    letter-spacing: 0;
    line-height: 1.3;
}

.sso-seo-copy p,
.sso-seo-copy li {
    color: var(--sso-muted);
    font-size: 0.94rem;
    line-height: 1.62;
}

.sso-seo-copy p {
    margin-bottom: 0;
}

.sso-seo-copy ol {
    display: grid;
    gap: 7px;
    margin: 0;
    padding-left: 20px;
}

@keyframes sso-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 5px color-mix(in srgb, var(--sso-state-color) 16%, transparent);
    }

    50% {
        box-shadow: 0 0 0 8px color-mix(in srgb, var(--sso-state-color) 8%, transparent);
    }
}

@keyframes sso-violin-float {
    0%,
    100% {
        transform: translate3d(0, 0, 0) rotate(-1deg);
    }

    50% {
        transform: translate3d(-5px, 7px, 0) rotate(1deg);
    }
}

@media (max-width: 860px) {
    .sso-tuner__shell {
        padding: 24px;
    }

    .sso-tuner__workspace,
    .sso-seo-copy {
        grid-template-columns: 1fr;
    }

    .sso-violin-art {
        top: 4px;
        right: -70px;
        width: 300px;
        opacity: 0.09;
    }
}

@media (max-width: 620px) {
    .sso-tuner {
        margin: 16px auto;
    }

    .sso-tuner__shell {
        padding: 18px;
    }

    .sso-tuner h2 {
        font-size: 1.72rem;
    }

    .sso-panel--meter,
    .sso-panel--settings {
        padding: 14px;
    }

    .sso-note-card__main {
        align-items: start;
        flex-direction: column;
        gap: 5px;
    }

    .sso-note-card__main strong {
        font-size: 3.8rem;
    }

    .sso-note-card__main span {
        padding-bottom: 0;
    }

    .sso-readouts,
    .sso-string-grid {
        grid-template-columns: 1fr;
    }

    .sso-live-status {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .sso-live-status strong {
        width: 100%;
        margin-left: 22px;
        text-align: left;
    }

    .sso-actions {
        display: grid;
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sso-violin-art,
    .is-listening .sso-live-status__dot {
        animation: none;
    }

    .sso-button,
    .sso-toggle,
    .sso-reset,
    .sso-string,
    .sso-meter__needle {
        transition: none;
    }
}