:root {
    --guest-preview-player-height: 104px;
}

.guest-preview-page {
    min-height: 100vh;
    padding-bottom: calc(var(--guest-preview-player-height) + env(safe-area-inset-bottom));
    background:
        radial-gradient(circle at 74% -12%, rgba(185, 71, 236, .2), transparent 34rem),
        radial-gradient(circle at 14% 34%, rgba(81, 216, 194, .07), transparent 28rem),
        #15151d;
}

.guest-preview-page.guest-preview-modal-open {
    overflow: hidden;
}

.guest-preview-header {
    position: sticky;
    z-index: 40;
    top: 0;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px clamp(20px, 5vw, 76px);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    background: rgba(21, 21, 29, .88);
    backdrop-filter: blur(18px);
}

.guest-preview-brand {
    display: inline-flex;
    align-items: center;
}

.guest-preview-brand img {
    width: clamp(142px, 14vw, 176px);
}

.guest-preview-account,
.guest-preview-hero-actions,
.guest-preview-modal-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.guest-preview-login {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    color: #d8d4df;
    font-size: .8rem;
    font-weight: 800;
}

.guest-preview-login:hover,
.guest-preview-login:focus-visible {
    color: #fff;
    text-decoration: underline;
}

.guest-preview-main {
    width: min(1460px, 100%);
    margin: 0 auto;
    padding: clamp(24px, 4vw, 58px) clamp(18px, 4.6vw, 66px) 86px;
}

.guest-preview-hero {
    position: relative;
    min-height: 330px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
    align-items: center;
    gap: clamp(28px, 6vw, 90px);
    overflow: hidden;
    padding: clamp(36px, 6vw, 76px);
    border: 1px solid rgba(214, 124, 255, .28);
    border-radius: 28px;
    background:
        radial-gradient(circle at 84% 32%, rgba(81, 216, 194, .15), transparent 30%),
        linear-gradient(135deg, rgba(52, 37, 68, .98), rgba(29, 34, 43, .97));
    box-shadow: 0 30px 90px rgba(0, 0, 0, .28);
}

.guest-preview-hero::after {
    content: "";
    position: absolute;
    inset: auto -10% -55% 38%;
    height: 300px;
    border-radius: 50%;
    background: rgba(185, 71, 236, .09);
    filter: blur(50px);
    pointer-events: none;
}

.guest-preview-hero-copy {
    position: relative;
    z-index: 1;
}

.guest-preview-hero h1 {
    margin: 13px 0 18px;
    font-size: clamp(2.25rem, 5vw, 4.65rem);
    line-height: 1.05;
    letter-spacing: -.065em;
}

.guest-preview-hero h1 em {
    color: var(--brand-light);
    font-style: normal;
}

.guest-preview-hero p {
    max-width: 660px;
    margin: 0;
    color: #c4bfcc;
    font-size: clamp(.9rem, 1.4vw, 1.05rem);
    line-height: 1.75;
}

.guest-preview-hero-actions {
    flex-wrap: wrap;
    margin-top: 28px;
}

.guest-preview-wave {
    position: relative;
    z-index: 1;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(9px, 1.3vw, 18px);
}

.guest-preview-wave::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 50%;
    box-shadow: 0 0 0 28px rgba(185, 71, 236, .025), 0 0 0 58px rgba(81, 216, 194, .018);
}

.guest-preview-wave i {
    width: clamp(12px, 1.35vw, 20px);
    border-radius: 999px;
    background: linear-gradient(180deg, #d67cff, #51d8c2);
    box-shadow: 0 10px 30px rgba(81, 216, 194, .18);
    transform: rotate(-8deg);
}

.guest-preview-wave i:nth-child(1),
.guest-preview-wave i:nth-child(5) { height: 60px; opacity: .72; }
.guest-preview-wave i:nth-child(2),
.guest-preview-wave i:nth-child(4) { height: 116px; }
.guest-preview-wave i:nth-child(3) { height: 176px; }

.guest-preview-catalog {
    padding-top: clamp(54px, 7vw, 92px);
    scroll-margin-top: 90px;
}

.guest-preview-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.guest-preview-section-head h2 {
    margin: 7px 0 8px;
    font-size: clamp(1.6rem, 3vw, 2.35rem);
    letter-spacing: -.045em;
}

.guest-preview-section-head p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.guest-preview-limit-note {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid rgba(81, 216, 194, .2);
    border-radius: 999px;
    color: #9df3e5;
    background: rgba(81, 216, 194, .07);
    font-size: .7rem;
    font-weight: 850;
}

.guest-preview-limit-note i,
.guest-preview-card-copy small i {
    width: 6px;
    height: 6px;
    flex: 0 0 6px;
    border-radius: 50%;
    background: var(--mint);
}

.guest-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(190px, 100%), 1fr));
    gap: clamp(18px, 2.3vw, 30px) clamp(14px, 1.8vw, 24px);
}

.guest-preview-card {
    min-width: 0;
}

.guest-preview-card-button {
    width: 100%;
    display: grid;
    gap: 12px;
    padding: 0;
    border: 0;
    color: inherit;
    background: transparent;
    text-align: left;
}

.guest-preview-cover {
    position: relative;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid #3b3947;
    border-radius: 17px;
    background: linear-gradient(145deg, #272534, #1d2029);
    box-shadow: 0 15px 34px rgba(0, 0, 0, .22);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.guest-preview-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(8, 7, 12, .54));
    pointer-events: none;
}

.guest-preview-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.guest-preview-cover-fallback {
    color: var(--brand-light);
    font-size: 2.2rem;
}

.guest-preview-play {
    position: absolute;
    z-index: 2;
    left: 50%;
    top: 50%;
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(145deg, var(--brand-light), var(--brand));
    box-shadow: 0 10px 24px rgba(0, 0, 0, .36), 0 0 0 7px rgba(185, 71, 236, .12);
    opacity: 0;
    transform: translate(-50%, -50%) scale(.8);
    transition: opacity .2s ease, transform .2s ease;
}

.guest-preview-play svg {
    width: 22px;
    height: 22px;
    margin-left: 2px;
    fill: currentColor;
}

/* 자체 제작 채널 중 잠긴 앨범: 보유 규모는 보여 주되 재생은 막습니다. */
.guest-preview-lock {
    position: absolute;
    z-index: 2;
    left: 50%;
    top: 50%;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .32);
    border-radius: 50%;
    color: #f2e6ff;
    background: rgba(18, 17, 24, .74);
    backdrop-filter: blur(2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .4);
    opacity: 1;
    transform: translate(-50%, -50%);
    transition: transform .2s ease, border-color .2s ease;
}

.guest-preview-lock svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.guest-preview-card.is-locked .guest-preview-cover img {
    filter: grayscale(.72) brightness(.62);
}

.guest-preview-card.is-locked .guest-preview-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(12, 11, 17, .18), rgba(12, 11, 17, .58));
}

.guest-preview-card.is-locked .guest-preview-card-copy strong {
    color: #b9b4c6;
}

.guest-preview-card-copy small.is-locked {
    color: #a99ec2;
}

.guest-preview-card.is-locked .guest-preview-card-button:hover .guest-preview-lock,
.guest-preview-card.is-locked .guest-preview-card-button:focus-visible .guest-preview-lock {
    border-color: rgba(214, 124, 255, .8);
    transform: translate(-50%, -50%) scale(1.06);
}

.guest-preview-card-button:hover .guest-preview-cover,
.guest-preview-card-button:focus-visible .guest-preview-cover,
.guest-preview-card.is-current .guest-preview-cover {
    border-color: rgba(214, 124, 255, .78);
    box-shadow: 0 0 0 2px rgba(185, 71, 236, .16), 0 18px 42px rgba(0, 0, 0, .35);
    transform: translateY(-3px);
}

.guest-preview-card-button:hover .guest-preview-play,
.guest-preview-card-button:focus-visible .guest-preview-play,
.guest-preview-card.is-current .guest-preview-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.guest-preview-card.is-loading .guest-preview-play {
    animation: guest-preview-pulse .9s ease-in-out infinite;
}

.guest-preview-card-copy {
    min-width: 0;
    display: grid;
    gap: 6px;
    padding: 0 3px;
}

.guest-preview-card-copy strong {
    overflow: hidden;
    color: #fff;
    font-size: .92rem;
    line-height: 1.38;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.guest-preview-card-copy small {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #898593;
    font-size: .65rem;
    font-weight: 700;
}

.guest-preview-card.is-current .guest-preview-card-copy strong {
    color: var(--brand-light);
}

.guest-preview-empty {
    min-height: 260px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 8px;
    padding: 34px;
    border: 1px dashed #454250;
    border-radius: 20px;
    color: var(--muted);
    text-align: center;
}

.guest-preview-empty > span {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    margin-bottom: 6px;
    border-radius: 16px;
    color: var(--brand-light);
    background: rgba(185, 71, 236, .12);
    font-size: 1.5rem;
}

.guest-preview-empty strong { color: #fff; }
.guest-preview-empty p { margin: 0; }

.guest-preview-player {
    position: fixed;
    z-index: 80;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: var(--guest-preview-player-height);
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto minmax(290px, .8fr);
    align-items: center;
    gap: clamp(18px, 3vw, 48px);
    padding: 13px clamp(18px, 4vw, 64px) calc(13px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(214, 124, 255, .34);
    background: linear-gradient(108deg, rgba(18, 18, 26, .985), rgba(31, 23, 40, .985) 54%, rgba(18, 32, 34, .985));
    box-shadow: 0 -18px 55px rgba(0, 0, 0, .4), inset 0 1px rgba(255, 255, 255, .035);
    backdrop-filter: blur(22px);
}

.guest-preview-now {
    min-width: 0;
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
}

.guest-preview-player-art {
    position: relative;
    width: 70px;
    height: 70px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 2px solid rgba(224, 151, 255, .72);
    border-radius: 50%;
    color: var(--brand-light);
    background: radial-gradient(circle at 30% 20%, #765092, #263b40 66%, #182329);
    box-shadow: 0 0 0 4px rgba(185, 71, 236, .1), 0 9px 24px rgba(0, 0, 0, .36);
}

.guest-preview-player-art::after {
    content: "";
    position: absolute;
    z-index: 2;
    inset: 4px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    background: repeating-radial-gradient(circle, transparent 0 7px, rgba(7, 6, 11, .18) 8px 9px);
    opacity: 0;
    pointer-events: none;
}

.guest-preview-player-art.has-cover::before {
    content: "";
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 50%;
    width: 8px;
    height: 8px;
    border: 3px solid rgba(23, 18, 29, .84);
    border-radius: 50%;
    background: #f5e7fb;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, .12);
    transform: translate(-50%, -50%);
}

.guest-preview-player-art.has-cover::after { opacity: 1; }

.guest-preview-player-art img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    animation: guest-preview-spin 8s linear infinite paused;
}

.guest-preview-player[data-player-state="playing"] .guest-preview-player-art img {
    animation-play-state: running;
}

.guest-preview-player-copy {
    min-width: 0;
    display: grid;
    gap: 4px;
}

.guest-preview-player-eyebrow {
    color: #b99bc9;
    font-size: .57rem;
    font-weight: 900;
    letter-spacing: .15em;
}

.guest-preview-player-copy strong,
.guest-preview-player-copy > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.guest-preview-player-copy strong { color: #fff; font-size: .94rem; }
.guest-preview-player-copy > span:last-child { color: #8f8a9b; font-size: .68rem; }

.guest-preview-toggle {
    width: 62px;
    height: 62px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .48);
    border-radius: 50%;
    color: #1a1420;
    background: linear-gradient(145deg, #fff, #e7ddeb);
    box-shadow: 0 0 0 7px rgba(185, 71, 236, .1), 0 12px 28px rgba(0, 0, 0, .36);
    transition: transform .18s ease, box-shadow .18s ease;
}

.guest-preview-toggle:not(:disabled):hover { transform: scale(1.05); }
.guest-preview-toggle:disabled { opacity: .48; }
.guest-preview-toggle svg { width: 25px; height: 25px; fill: currentColor; }
.guest-preview-toggle [data-preview-icon-play] { margin-left: 3px; }

.guest-preview-progress-wrap {
    min-width: 0;
    display: grid;
    gap: 7px;
}

.guest-preview-progress-copy {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: #bbb6c5;
    font-size: .68rem;
    font-weight: 800;
}

.guest-preview-progress-wrap progress {
    width: 100%;
    height: 6px;
    overflow: hidden;
    border: 0;
    border-radius: 999px;
    color: var(--brand-light);
    background: #3a3743;
    appearance: none;
}

.guest-preview-progress-wrap progress::-webkit-progress-bar { border-radius: 999px; background: #3a3743; }
.guest-preview-progress-wrap progress::-webkit-progress-value { border-radius: 999px; background: linear-gradient(90deg, var(--brand), var(--brand-light), var(--mint)); }
.guest-preview-progress-wrap progress::-moz-progress-bar { border-radius: 999px; background: linear-gradient(90deg, var(--brand), var(--brand-light), var(--mint)); }
.guest-preview-progress-wrap small { color: #777381; font-size: .61rem; }

.guest-preview-modal-backdrop {
    position: fixed;
    z-index: 120;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(6, 6, 10, .82);
    backdrop-filter: blur(9px);
}

.guest-preview-modal-backdrop[hidden] { display: none; }

.guest-preview-modal {
    position: relative;
    width: min(560px, 100%);
    padding: clamp(27px, 5vw, 42px);
    border: 1px solid rgba(214, 124, 255, .52);
    border-radius: 24px;
    background:
        radial-gradient(circle at 90% 5%, rgba(81, 216, 194, .1), transparent 30%),
        #26232e;
    box-shadow: 0 34px 110px rgba(0, 0, 0, .7);
}

.guest-preview-modal-close {
    position: absolute;
    right: 16px;
    top: 16px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .11);
    border-radius: 12px;
    color: #c9c4d0;
    background: rgba(255, 255, 255, .045);
    font-size: 1.35rem;
}

.guest-preview-modal-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin-bottom: 19px;
    border-radius: 17px;
    color: var(--brand-light);
    background: rgba(185, 71, 236, .17);
    font-size: 1.65rem;
}

.guest-preview-modal h2 {
    max-width: 440px;
    margin: 12px 0;
    font-size: clamp(1.65rem, 4vw, 2.25rem);
    line-height: 1.25;
    letter-spacing: -.045em;
}

.guest-preview-modal > p {
    margin: 0;
    color: #bbb6c5;
    line-height: 1.7;
}

.guest-preview-modal-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 26px;
}

.guest-preview-modal-actions .btn {
    min-height: 48px;
    justify-content: center;
}

.guest-preview-browse {
    min-height: 44px;
    border: 0;
    color: var(--brand-light);
    background: transparent;
    font-size: .78rem;
    font-weight: 850;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.guest-preview-modal > small {
    display: block;
    margin-top: 18px;
    color: #b6b0be;
    font-size: .75rem;
    line-height: 1.55;
    text-align: center;
}

@keyframes guest-preview-spin { to { transform: rotate(360deg); } }
@keyframes guest-preview-pulse { 50% { transform: translate(-50%, -50%) scale(.88); opacity: .68; } }

@media (max-width: 900px) {
    :root { --guest-preview-player-height: 118px; }
    .guest-preview-main { padding-inline: 18px; }
    .guest-preview-hero { min-height: 300px; grid-template-columns: 1fr; }
    .guest-preview-wave { position: absolute; right: clamp(-65px, -5vw, -20px); top: 50%; width: 250px; opacity: .25; transform: translateY(-50%); }
    .guest-preview-hero-copy { max-width: 650px; }
    .guest-preview-player {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 12px;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    }
    .guest-preview-now { grid-template-columns: 58px minmax(0, 1fr); gap: 10px; }
    .guest-preview-player-art { width: 58px; height: 58px; }
    .guest-preview-player-eyebrow { display: none; }
    .guest-preview-toggle { width: 54px; height: 54px; }
    .guest-preview-progress-wrap { grid-column: 1 / -1; gap: 5px; }
    .guest-preview-progress-wrap small { display: none; }
}

@media (max-width: 620px) {
    .guest-preview-header { min-height: 66px; gap: 8px; padding: 11px 14px; }
    .guest-preview-brand img { width: 120px; }
    .guest-preview-account { gap: 4px; }
    .guest-preview-login { padding-inline: 6px; }
    .guest-preview-account .btn { min-height: 42px; padding-inline: 9px; }
    .guest-preview-main { padding-top: 18px; padding-inline: 13px; }
    .guest-preview-hero { min-height: 355px; padding: 32px 23px; border-radius: 20px; }
    .guest-preview-hero h1 { font-size: clamp(2.1rem, 11vw, 3rem); }
    .guest-preview-hero-actions { align-items: stretch; flex-direction: column; }
    .guest-preview-hero-actions .btn { justify-content: center; }
    .guest-preview-section-head { align-items: flex-start; flex-direction: column; gap: 15px; }
    .guest-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 12px; }
    .guest-preview-cover { border-radius: 14px; }
    .guest-preview-card-copy strong { font-size: .8rem; }
    .guest-preview-card-copy small { font-size: .59rem; }
    .guest-preview-play { width: 48px; height: 48px; opacity: 1; transform: translate(-50%, -50%) scale(.9); }
    .guest-preview-player-copy > span:last-child { max-width: 58vw; }
    .guest-preview-modal-backdrop { align-items: end; padding: 0; }
    .guest-preview-modal {
        width: 100%;
        max-height: calc(100dvh - 18px);
        overflow-y: auto;
        padding: 30px 20px calc(24px + env(safe-area-inset-bottom));
        border-radius: 24px 24px 0 0;
    }
}

@media (max-width: 380px) {
    .guest-preview-login { display: none; }
    .guest-preview-grid { grid-template-columns: 1fr 1fr; }
    .guest-preview-player-copy > span:last-child { max-width: 54vw; }
}

@media (prefers-reduced-motion: reduce) {
    .guest-preview-cover,
    .guest-preview-play,
    .guest-preview-toggle { transition: none; }
    .guest-preview-player-art img,
    .guest-preview-card.is-loading .guest-preview-play { animation: none !important; }
}