:root {
    --bg: #050505;
    --bg-soft: #0c0710;
    --surface: rgba(255,255,255,.055);
    --surface-strong: rgba(255,255,255,.085);
    --text: #ffffff;
    --muted: #a6a0ad;
    --purple: #8a00ff;
    --purple-2: #b000ff;
    --border: rgba(255,255,255,.12);
    --success: #41d17d;
    --danger: #ff5d78;
    --radius: 22px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 84% 15%, rgba(138, 0, 255, .30), transparent 28rem),
        radial-gradient(circle at 15% 45%, rgba(93, 0, 145, .18), transparent 26rem),
        var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font: inherit;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 14px 0;
    background: rgba(5,5,5,.72);
    backdrop-filter: blur(16px);
}

.nav {
    min-height: 68px;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 24px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(255,255,255,.055), rgba(138,0,255,.22));
}

.brand {
    font-size: 1.85rem;
    font-weight: 900;
    letter-spacing: .18em;
    white-space: nowrap;
}

.nav__links {
    display: flex;
    gap: 22px;
    margin-left: auto;
}

.nav__links a {
    color: #d8d4dc;
    font-weight: 700;
    font-size: .94rem;
}

.nav__links a:hover {
    color: white;
}

.nav__account {
    display: flex;
    gap: 10px;
}

.hero {
    min-height: 560px;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 60px;
    padding-block: 70px;
}

.hero h1 {
    max-width: 760px;
    margin: 10px 0 18px;
    font-size: clamp(3rem, 7vw, 6.5rem);
    line-height: .92;
    letter-spacing: -.055em;
}

.hero h1 span {
    color: var(--purple-2);
    text-shadow: 0 0 30px rgba(176,0,255,.65);
}

.hero p,
.lead {
    max-width: 680px;
    color: #c9c3ce;
    font-size: 1.08rem;
    line-height: 1.65;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.hero__panel {
    padding: 36px;
    min-height: 310px;
    display: flex;
    flex-direction: column;
    justify-content: end;
    background:
        linear-gradient(180deg, transparent, rgba(0,0,0,.8)),
        radial-gradient(circle at 50% 10%, rgba(138,0,255,.45), transparent 60%),
        #080808;
}

.hero__panel h2 {
    margin: 12px 0 8px;
    font-size: 2rem;
}

.card {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius);
    backdrop-filter: blur(14px);
}

.neon-border {
    box-shadow:
        inset 0 0 0 1px rgba(176,0,255,.12),
        0 0 40px rgba(138,0,255,.10);
}

.section {
    padding-block: 54px;
}

.section__header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin-bottom: 24px;
}

.section h1,
.section h2 {
    margin: 6px 0 0;
}

.eyebrow {
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: .16em;
    color: var(--purple-2);
}

.grid {
    display: grid;
    gap: 20px;
}

.grid--music {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.music-card {
    overflow: hidden;
    transition: transform .18s ease, border-color .18s ease;
}

.music-card:hover {
    transform: translateY(-4px);
    border-color: rgba(176,0,255,.55);
}

.music-card__cover {
    aspect-ratio: 1 / 1;
}

.placeholder-cover {
    background:
        radial-gradient(circle at 60% 40%, rgba(176,0,255,.5), transparent 30%),
        linear-gradient(135deg, #080808, #17101c);
}

.music-card__body {
    padding: 18px;
}

.music-card h3 {
    margin: 0 0 4px;
}

.music-card p,
.muted {
    color: var(--muted);
}

.music-card__meta {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    color: #d9d4df;
    font-size: .88rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 850;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--primary {
    color: white;
    background: linear-gradient(135deg, var(--purple), var(--purple-2));
    box-shadow: 0 10px 30px rgba(138,0,255,.26);
}

.btn--ghost {
    color: white;
    background: rgba(255,255,255,.04);
    border-color: var(--border);
}

.btn--small {
    min-height: 38px;
    padding-inline: 15px;
    font-size: .87rem;
}

.text-link {
    color: #d8a7ff;
    font-weight: 800;
}

.badge {
    width: fit-content;
    padding: 7px 10px;
    border-radius: 999px;
    color: #edddff;
    background: rgba(138,0,255,.22);
    border: 1px solid rgba(176,0,255,.28);
    font-size: .72rem;
    font-weight: 850;
    letter-spacing: .08em;
}

.cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 34px;
}

.auth-page {
    min-height: 72vh;
    display: grid;
    place-items: center;
    padding-block: 54px;
}

.auth-card {
    width: min(100%, 560px);
    padding: 34px;
}

.form {
    display: grid;
    gap: 18px;
    margin-top: 28px;
}

.form label {
    display: grid;
    gap: 8px;
    font-weight: 760;
    color: #e9e5ec;
}

.form input,
.form select,
.form textarea,
.filters input,
.filters select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 15px;
    color: white;
    background: rgba(255,255,255,.045);
    outline: none;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    border-color: rgba(176,0,255,.72);
    box-shadow: 0 0 0 3px rgba(138,0,255,.12);
}

.form select option {
    color: black;
}

.alert {
    margin-block: 14px;
    padding: 14px 16px;
    border-radius: 14px;
}

.alert--success {
    background: rgba(65,209,125,.11);
    border: 1px solid rgba(65,209,125,.3);
}

.alert--error {
    background: rgba(255,93,120,.11);
    border: 1px solid rgba(255,93,120,.3);
}

.filters {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 14px;
    margin-top: 26px;
    padding: 18px;
}

.upload-form {
    max-width: 760px;
    padding: 26px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 28px;
}

.stat-card {
    padding: 24px;
}

.stat-card span {
    color: var(--muted);
}

.stat-card strong {
    display: block;
    margin-top: 8px;
    font-size: 2.1rem;
}

.site-footer {
    margin-top: 60px;
    padding: 50px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.footer-links {
    display: flex;
    gap: 18px;
}


/* ===== Navegação responsiva ===== */

.nav {
    position: relative;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
}

.nav__toggle {
    display: none;
    width: 46px;
    height: 46px;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.nav__toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #fff;
    transition: transform .18s ease, opacity .18s ease;
}

.site-header.is-menu-open .nav__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header.is-menu-open .nav__toggle span:nth-child(2) {
    opacity: 0;
}

.site-header.is-menu-open .nav__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Evita qualquer conteúdo estourando a largura no celular */
html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

img,
video,
audio,
svg {
    max-width: 100%;
}

input,
select,
textarea,
button {
    max-width: 100%;
}

/* ===== Tablet ===== */

@media (max-width: 900px) {
    .container {
        width: min(calc(100% - 28px), var(--container));
    }

    .site-header {
        padding: 10px 0;
    }

    .nav {
        min-height: 62px;
        padding-inline: 18px;
    }

    .brand {
        font-size: 1.55rem;
    }

    .nav__toggle {
        display: inline-flex;
    }

    .nav__menu {
        position: absolute;
        z-index: 100;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        margin-left: 0;
        padding: 16px;
        border: 1px solid var(--border);
        border-radius: 22px;
        background:
            radial-gradient(circle at 90% 0%, rgba(138,0,255,.23), transparent 16rem),
            rgba(10, 7, 13, .97);
        box-shadow: 0 22px 60px rgba(0,0,0,.45);
        backdrop-filter: blur(20px);
    }

    .site-header.is-menu-open .nav__menu {
        display: flex;
    }

    .nav__links {
        display: grid;
        gap: 6px;
    }

    .nav__links a {
        display: flex;
        align-items: center;
        min-height: 48px;
        padding: 0 14px;
        border-radius: 14px;
        font-size: 1rem;
    }

    .nav__links a:hover {
        background: rgba(255,255,255,.055);
    }

    .nav__account {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }

    .nav__account:has(.btn:only-child) {
        grid-template-columns: 1fr;
    }

    .nav__account .btn {
        width: 100%;
    }

    .hero {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 34px;
        padding-block: 52px;
    }

    .hero__content {
        max-width: 760px;
    }

    .hero h1 {
        max-width: 680px;
        font-size: clamp(3rem, 10vw, 5.4rem);
    }

    .hero__panel {
        min-height: 260px;
    }

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

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

    .filters {
        grid-template-columns: 1fr 1fr;
    }

    .filters input {
        grid-column: 1 / -1;
    }

    .upload-form {
        width: 100%;
        max-width: none;
    }
}

/* ===== Celular ===== */

@media (max-width: 620px) {
    :root {
        --radius: 18px;
    }

    .container {
        width: min(calc(100% - 22px), var(--container));
    }

    .site-header {
        padding: 8px 0;
    }

    .nav {
        min-height: 58px;
        padding: 0 12px 0 16px;
        border-radius: 22px;
    }

    .brand {
        font-size: 1.35rem;
        letter-spacing: .14em;
    }

    .nav__toggle {
        width: 42px;
        height: 42px;
    }

    .nav__menu {
        top: calc(100% + 8px);
        border-radius: 18px;
    }

    .nav__account {
        grid-template-columns: 1fr;
    }

    .hero {
        gap: 24px;
        padding-top: 40px;
        padding-bottom: 34px;
    }

    .hero h1 {
        margin-top: 8px;
        font-size: clamp(2.8rem, 15vw, 4.3rem);
        line-height: .90;
        overflow-wrap: normal;
    }

    .hero p,
    .lead {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero__actions {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 24px;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .hero__panel {
        min-height: 220px;
        padding: 24px;
    }

    .hero__panel h2 {
        font-size: 1.6rem;
    }

    .section {
        padding-block: 38px;
    }

    .section__header,
    .cta,
    .footer-grid {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .section__header {
        gap: 12px;
        margin-bottom: 20px;
    }

    .section h1 {
        font-size: clamp(2rem, 10vw, 2.7rem);
    }

    .section h2 {
        font-size: 1.65rem;
    }

    .grid--music {
        grid-template-columns: 1fr;
    }

    .filters {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 20px;
        padding: 12px;
    }

    .filters input {
        grid-column: auto;
    }

    .form,
    .upload-form {
        gap: 15px;
    }

    .upload-form,
    .auth-card {
        padding: 20px;
    }

    .form input,
    .form select,
    .form textarea,
    .filters input,
    .filters select {
        min-height: 50px;
        padding: 13px 14px;
        border-radius: 13px;
    }

    input[type="file"] {
        min-height: auto;
        font-size: .9rem;
    }

    .btn {
        min-height: 48px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 20px;
    }

    .cta {
        gap: 22px;
        padding: 24px;
    }

    .cta .btn {
        width: 100%;
    }

    .site-footer {
        margin-top: 34px;
        padding: 34px 0;
    }

    .footer-grid {
        gap: 24px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 10px 18px;
    }

    .auth-page {
        min-height: auto;
        padding-block: 34px;
    }

    .auth-card {
        width: 100%;
    }

    .alert {
        margin-block: 10px;
    }
}

/* ===== Celulares pequenos ===== */

@media (max-width: 390px) {
    .container {
        width: min(calc(100% - 16px), var(--container));
    }

    .nav {
        padding-left: 14px;
    }

    .hero h1 {
        font-size: clamp(2.55rem, 15.5vw, 3.6rem);
    }

    .hero__panel {
        padding: 20px;
    }

    .music-card__body {
        padding: 15px;
    }

    .upload-form,
    .auth-card {
        padding: 16px;
    }
}