*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body.suno-mastering-static {
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 0%, rgba(255, 242, 0, 0.08), transparent 30%),
        var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

body.suno-mastering-static button,
body.suno-mastering-static select,
body.suno-mastering-static input,
body.suno-mastering-static audio {
    font: inherit;
}

.mastering-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 56px;
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
    container-type: inline-size;
}

.mastering-sitebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 0 18px;
    border-bottom: 1px solid var(--border);
}

.mastering-brand {
    display: inline-flex;
    align-items: center;
    min-width: 0;
    gap: 10px;
}

.mastering-brand img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    object-fit: contain;
    flex: 0 0 auto;
}

.mastering-brand-text {
    display: grid;
    min-width: 0;
    gap: 2px;
}

.mastering-brand strong {
    color: var(--text);
    font-size: 17px;
    font-weight: 900;
    line-height: 1.2;
}

.mastering-brand span {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.35;
}

.mastering-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.mastering-nav a,
.mastering-lock-actions a {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #070707;
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color .15s ease, background .15s ease, color .15s ease;
}

.mastering-nav a:hover,
.mastering-lock-actions a:hover {
    border-color: #fff200;
    background: #101010;
    color: #fff200;
}

.mastering-lock {
    display: grid;
    gap: 16px;
    max-width: 680px;
    margin: 36px auto 0;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
}

.mastering-lock h1 {
    margin: 0;
    color: var(--text);
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: 0;
}

.mastering-lock p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.mastering-lock-note {
    padding: 13px 14px;
    border: 1px solid rgba(255, 242, 0, 0.24);
    border-radius: 10px;
    background: rgba(255, 242, 0, 0.08);
    color: var(--text);
    font-size: 14px;
}

.mastering-lock-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mastering-app {
    display: grid;
    gap: 14px;
    padding-top: 26px;
}

.mastering-app-header {
    padding-bottom: 4px;
}

.mastering-app-header h1,
.mastering-app-header h2 {
    margin: 0;
    color: var(--text);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: 0;
}

.mastering-eyebrow,
.mastering-kicker {
    margin: 0 0 9px;
    color: #fff200;
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.mastering-hero {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .68fr);
    gap: 28px;
    margin-top: 22px;
    padding: clamp(24px, 4vw, 42px);
    border: 1px solid rgba(255, 242, 0, .34);
    border-radius: 18px;
    background: linear-gradient(120deg, rgba(255, 242, 0, .13), rgba(16, 16, 16, .96) 47%, rgba(0, 199, 255, .09));
}

.mastering-hero::after {
    position: absolute;
    right: -92px;
    bottom: -118px;
    width: 330px;
    height: 330px;
    border: 1px solid rgba(255, 242, 0, .21);
    border-radius: 50%;
    box-shadow: 0 0 0 42px rgba(255, 242, 0, .035), 0 0 0 84px rgba(255, 242, 0, .025);
    content: '';
    pointer-events: none;
}

.mastering-hero-copy,
.mastering-hero-aside {
    position: relative;
    z-index: 1;
}

.mastering-hero h1 {
    max-width: 720px;
    margin: 0;
    color: var(--text);
    font-size: clamp(2.25rem, 5vw, 4.35rem);
    font-weight: 900;
    letter-spacing: -.055em;
    line-height: .99;
}

.mastering-hero h1 em {
    color: #fff200;
    font-style: normal;
}

.mastering-hero-copy > p:not(.mastering-eyebrow) {
    max-width: 650px;
    margin: 19px 0 0;
    color: #d0d0d0;
    font-size: 1.02rem;
    line-height: 1.7;
}

.mastering-hero-actions,
.mastering-proof-list {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.mastering-hero-actions {
    margin-top: 24px;
}

.mastering-cta,
.mastering-secondary-cta {
    display: inline-flex;
    min-height: 43px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 15px;
    border-radius: 9px;
    font-size: .88rem;
    font-weight: 900;
    text-decoration: none;
}

.mastering-cta {
    border: 1px solid #fff200;
    background: #fff200;
    color: #080808;
}

.mastering-cta:hover {
    background: #fff;
    border-color: #fff;
    color: #080808;
}

.mastering-secondary-cta {
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .3);
    color: var(--text);
}

.mastering-secondary-cta:hover {
    border-color: #fff200;
    color: #fff200;
}

.mastering-hero-aside {
    display: grid;
    align-content: center;
    gap: 13px;
    padding: 19px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 14px;
    background: rgba(2, 2, 2, .53);
    backdrop-filter: blur(10px);
}

.mastering-hero-aside > span {
    color: var(--text-secondary);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.mastering-hero-aside strong {
    color: var(--text);
    font-size: 1.12rem;
    line-height: 1.28;
}

.mastering-proof-list span {
    padding: 6px 8px;
    border: 1px solid rgba(255, 242, 0, .24);
    border-radius: 999px;
    color: #f2f2f2;
    font-size: .73rem;
    font-weight: 800;
}

.mastering-subcopy {
    max-width: 760px;
    margin: 3px 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.mastering-studio {
    scroll-margin-top: 20px;
}

.mastering-tool-note {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    border: 1px solid rgba(255, 242, 0, .18);
    border-radius: 10px;
    background: rgba(255, 242, 0, .055);
    color: #d7d7d7;
    font-size: .84rem;
    line-height: 1.55;
}

.mastering-tool-note svg {
    flex: 0 0 auto;
    color: #fff200;
}

.mastering-fineprint {
    margin: 11px 0 0;
    color: var(--text-muted);
    font-size: .76rem;
    line-height: 1.5;
}

.mastering-ad-break {
    margin: 34px 0;
}

.mastering-ad-break--entry {
    margin: 24px 0 34px;
}

.mastering-ad-break--bottom {
    margin: 42px 0 8px;
}

.mastering-content {
    display: grid;
    gap: 20px;
    margin-top: 42px;
}

.mastering-content-head {
    max-width: 790px;
}

.mastering-content-head h2,
.mastering-faq h2 {
    margin: 0;
    color: var(--text);
    font-size: clamp(1.55rem, 3vw, 2.25rem);
    letter-spacing: -.035em;
    line-height: 1.12;
}

.mastering-content-head p:not(.mastering-kicker) {
    margin: 12px 0 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

.mastering-guide-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.mastering-guide-card,
.mastering-explainer,
.mastering-faq {
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--bg-card);
}

.mastering-guide-card {
    padding: 20px;
}

.mastering-guide-number {
    display: inline-flex;
    width: 29px;
    height: 29px;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    border-radius: 50%;
    background: #fff200;
    color: #090909;
    font-size: .76rem;
    font-weight: 900;
}

.mastering-guide-card h3,
.mastering-explainer h3 {
    margin: 0;
    color: var(--text);
    font-size: 1rem;
}

.mastering-guide-card p,
.mastering-explainer p {
    margin: 9px 0 0;
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.62;
}

.mastering-explainer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.mastering-explainer {
    padding: 20px;
}

.mastering-faq {
    padding: clamp(20px, 4vw, 30px);
}

.mastering-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
    margin-top: 15px;
}

.mastering-faq details {
    border-bottom: 1px solid var(--border);
}

.mastering-faq summary {
    position: relative;
    padding: 16px 26px 16px 0;
    color: var(--text);
    cursor: pointer;
    font-size: .94rem;
    font-weight: 800;
    list-style: none;
}

.mastering-faq summary::-webkit-details-marker { display: none; }

.mastering-faq summary::after {
    position: absolute;
    top: 14px;
    right: 1px;
    color: #fff200;
    content: '+';
    font-size: 1.2rem;
    font-weight: 400;
}

.mastering-faq details[open] summary::after { content: '−'; }

.mastering-faq details p {
    margin: -2px 0 16px;
    color: var(--text-secondary);
    font-size: .88rem;
    line-height: 1.65;
}

body.suno-mastering-static.origin-locked .mastering-workspace,
body.suno-mastering-static.origin-locked .mastering-tool-note {
    filter: grayscale(1);
    opacity: .7;
}

.mastering-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 14px;
    align-items: start;
}

.mastering-left,
.mastering-right {
    display: grid;
    gap: 12px;
}

.upload-panel,
.transport-panel,
.canvas-panel,
.batch-panel,
.control-block,
.meter-grid,
.report-block,
.progress-wrap {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
}

.upload-panel {
    display: flex;
    min-height: 120px;
    align-items: center;
    gap: 16px;
    padding: 18px;
}

.upload-panel.dragging {
    border-color: #fff200;
    background: #202000;
}

.primary-action,
body.suno-mastering-static button,
.download {
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-hover);
    color: var(--text);
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, color .15s ease, opacity .15s ease;
}

body.suno-mastering-static .primary-action {
    min-width: 132px;
    border-color: #fff200;
    background: #fff200;
    color: #070707;
    font-weight: 900;
}

body.suno-mastering-static button:hover:not(:disabled),
.download:hover:not(.disabled) {
    border-color: #fff200;
    background: #101010;
    color: #fff200;
}

body.suno-mastering-static button:disabled,
.download.disabled {
    opacity: .42;
    cursor: not-allowed;
    pointer-events: none;
}

.file-copy {
    display: grid;
    min-width: 0;
    gap: 6px;
}

.file-copy strong {
    overflow: hidden;
    color: var(--text);
    font-size: 1.04rem;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-copy span,
.block-head span,
.progress-wrap p,
.field span,
.meter-grid span,
.batch-main span,
.batch-metrics {
    color: var(--text-secondary);
}

.transport-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
}

.audio-slot {
    display: grid;
    min-width: 0;
    gap: 8px;
}

.audio-label {
    display: flex;
    min-height: 30px;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #070707;
}

.audio-label span {
    color: #fff200;
    font-size: .72rem;
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
}

.audio-label strong {
    min-width: 0;
    color: var(--text);
    font-size: .86rem;
    line-height: 1.1;
    text-align: right;
    white-space: nowrap;
}

.after-slot .audio-label {
    border-color: rgba(255, 242, 0, 0.42);
    background: linear-gradient(90deg, rgba(255, 242, 0, 0.08), #070707);
}

audio {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: 42px;
}

.canvas-panel {
    overflow: hidden;
}

#waveCanvas {
    display: block;
    width: 100%;
    height: min(44vh, 340px);
    min-height: 240px;
    background: #050505;
}

.control-block,
.batch-panel,
.report-block {
    padding: 16px;
}

.block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.block-head h2 {
    margin: 0;
    color: var(--text);
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0;
}

.field {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 0 0 15px;
}

.field select {
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    background: #070707;
    padding: 0 10px;
}

.field input[type="range"] {
    width: 100%;
    accent-color: #fff200;
}

output {
    justify-self: end;
    color: #fff200;
    font-weight: 900;
}

.button-row {
    display: grid;
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 8px;
    margin-top: 4px;
}

#masterBtn {
    border-color: rgba(255, 242, 0, 0.45);
    background: #1e1d08;
}

.download {
    display: inline-flex;
    grid-column: 1 / -1;
    min-height: 48px;
    align-items: center;
    border-color: #00c7ff;
    background: linear-gradient(135deg, #00c7ff, #71e3ff);
    box-shadow: 0 10px 22px rgba(0, 199, 255, .17);
    color: #041016;
    justify-content: center;
    letter-spacing: .01em;
    font-weight: 900;
    text-decoration: none;
    white-space: nowrap;
}

.download:hover:not(.disabled) {
    border-color: #b7f4ff;
    background: linear-gradient(135deg, #71e3ff, #00c7ff);
    color: #041016;
}

.download.disabled {
    border-color: var(--border);
    background: #17191a;
    box-shadow: none;
    color: var(--text-secondary);
}

.meter-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    background: var(--border);
}

.meter-grid article {
    display: grid;
    min-height: 84px;
    gap: 6px;
    padding: 14px;
    background: var(--bg-card);
}

.meter-grid strong {
    color: var(--text);
    font-size: 1.34rem;
    line-height: 1;
}

.findings {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.finding {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border-left: 3px solid #fff200;
    border-radius: 8px;
    background: #101010;
}

.finding.warn {
    border-left-color: #ffbd4a;
}

.finding.good {
    border-left-color: #6ee78d;
}

.finding strong {
    color: var(--text);
    font-size: .93rem;
}

.finding span {
    color: var(--text-secondary);
    font-size: .84rem;
    line-height: 1.45;
}

.params {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
    margin: 0;
    font-size: .9rem;
}

.params dt {
    color: var(--text-secondary);
}

.params dd {
    margin: 0;
    color: var(--text);
    font-weight: 900;
}

.batch-list {
    display: grid;
    gap: 8px;
}

.batch-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 9px 12px;
    align-items: center;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #101010;
}

.batch-item.active {
    border-color: rgba(255, 242, 0, 0.58);
    background: #1a1905;
}

.batch-item.done {
    border-color: rgba(110, 231, 141, 0.42);
}

.batch-item.error {
    border-color: rgba(255, 48, 64, 0.52);
}

.batch-main {
    display: grid;
    min-width: 0;
    gap: 5px;
}

.batch-main strong {
    overflow: hidden;
    color: var(--text);
    font-size: .95rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.batch-main span,
.batch-metrics {
    font-size: .82rem;
    line-height: 1.35;
}

.batch-progress {
    grid-column: 1 / -1;
    height: 5px;
    overflow: hidden;
    border-radius: 999px;
    background: #050505;
}

.batch-progress span {
    display: block;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #fff200, #00c7ff);
    transition: width .18s ease;
}

.batch-download {
    justify-self: end;
    min-width: 82px;
    padding: 7px 10px;
    border: 1px solid rgba(255, 242, 0, 0.42);
    border-radius: 8px;
    color: var(--text);
    background: #1e1d08;
    font-size: .84rem;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
}

.batch-download.disabled {
    border-color: var(--border);
    color: var(--text-secondary);
    background: #070707;
    pointer-events: none;
}

.progress-wrap {
    padding: 13px 14px;
}

.progress-line {
    height: 8px;
    overflow: hidden;
    margin-bottom: 10px;
    border-radius: 999px;
    background: #050505;
}

.progress-line span {
    display: block;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #fff200, #00c7ff);
    transition: width .18s ease;
}

@media (max-width: 1080px) {
    .mastering-hero {
        grid-template-columns: 1fr;
    }

    .mastering-workspace {
        grid-template-columns: 1fr;
    }

    .mastering-right {
        grid-template-columns: 1fr 1fr;
    }

    .report-block {
        grid-column: 1 / -1;
    }
}

/* The tool can be embedded in a narrower site column or viewed with browser
   zoom. Container queries prevent native audio controls from overflowing. */
@container (max-width: 940px) {
    .mastering-workspace {
        grid-template-columns: 1fr;
    }

    .mastering-right {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .report-block {
        grid-column: 1 / -1;
    }
}

@container (max-width: 660px) {
    .mastering-right,
    .transport-panel,
    .meter-grid,
    .button-row,
    .batch-item {
        grid-template-columns: 1fr;
    }

    .upload-panel {
        display: grid;
    }

    .primary-action,
    .batch-download {
        width: 100%;
    }

    .batch-download {
        justify-self: stretch;
    }
}

@media (max-width: 720px) {
    .mastering-shell {
        width: min(100% - 24px, 1180px);
        padding-top: 18px;
        padding-bottom: 34px;
    }

    .mastering-sitebar,
    .upload-panel,
    .transport-panel {
        display: grid;
    }

    .mastering-nav {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr 1fr;
    }

    .mastering-nav a,
    .mastering-lock-actions a {
        width: 100%;
    }

    .mastering-hero {
        margin-top: 14px;
        padding: 23px 19px;
    }

    .mastering-hero h1 {
        font-size: clamp(2.2rem, 12vw, 3.25rem);
    }

    .mastering-guide-grid,
    .mastering-explainer-grid,
    .mastering-faq-grid {
        grid-template-columns: 1fr;
    }

    .mastering-right,
    .meter-grid,
    .button-row,
    .transport-panel,
    .batch-item {
        grid-template-columns: 1fr;
    }

    .primary-action {
        width: 100%;
    }

    .batch-download {
        justify-self: stretch;
    }

    #waveCanvas {
        min-height: 220px;
    }
}