* {

    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;

}


body {

    background: #000;
    color: white;

    display: flex;
    justify-content: center;
    align-items: flex-start;

    min-height: 100vh;

    padding: 50px 20px;

}


.container {

    width: min(100%, 900px);
    text-align: center;

}


.back-btn {

    color: cyan;
    font-size: 3rem;

    animation: float 3s infinite ease-in-out;

}


.profile-pic {

    width: 180px;
    height: 180px;

    border-radius: 50%;

    object-fit: cover;

    border: 4px solid #00bfff;

    box-shadow:
        0 0 10px cyan,
        0 0 30px cyan,
        0 0 60px cyan;

    animation: float 3s infinite ease-in-out;

    cursor: pointer;

}


@keyframes float {

    50% {

        transform: translateY(-8px);

    }

}


.hero {

    padding: 50px 20px;

}


.hero h1 {

    color: #00ffff;
    font-size: 35px;

}


.hero h2 {

    color: #4deeff;
    font-size: 50px;

    text-shadow:
        0 0 10px cyan,
        0 0 30px cyan;

}


.hero p {

    margin-top: 15px;
    font-size: 20px;

}


button {

    margin-top: 30px;

    padding: 15px 35px;

    border: none;
    border-radius: 30px;

    background: cyan;
    color: black;

    font-size: 18px;

    cursor: pointer;
    font-weight: bold;

    box-shadow: 0 0 20px cyan;

}


button:hover {

    transform: scale(1.08);

}


.hidden {

    display: none;

}


.card {

    margin-top: 30px;

    padding: 30px;

    border: 1px solid cyan;
    border-radius: 18px;

    background: #111;

    box-shadow:
        0 0 20px cyan;

    transition: .3s;

}


.card:hover {

    transform: translateY(-6px);

}


.card h2 {

    color: cyan;

}


.card ul {

    list-style: none;

}


.card li {

    padding: 8px;
    font-size: 18px;

}


.card a {

    color: cyan;

    text-decoration: none;

    font-weight: bold;

}


.card p {

    line-height: 1.7;

}


#musicPage {

    width: 100%;
    max-width: 1000px;

    text-align: center;

    margin-top: 120px;

    animation: fade .5s ease;

}


.music-logo {

    width: 180px;
    height: 180px;

    object-fit: cover;

    border-radius: 50%;

    border: 4px solid cyan;

    margin-bottom: 30px;

    box-shadow:
        0 0 15px cyan,
        0 0 35px cyan,
        0 0 60px cyan;

    animation: float 3s ease-in-out infinite;

}


.music-title {

    color: cyan;

    font-size: 42px;

    margin-bottom: 40px;

    text-shadow:
        0 0 15px cyan,
        0 0 35px cyan;

}


.music-grid {

    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(250px, 1fr));

    gap: 30px;

}


.music-card {

    background: #111;

    border: 2px solid cyan;

    border-radius: 20px;

    padding: 30px;

    box-shadow:
        0 0 20px cyan;

    transition: .3s;

}


.music-card:hover {

    transform: translateY(-10px);

    box-shadow:
        0 0 25px cyan,
        0 0 45px cyan;

}


.music-card h3 {

    color: cyan;

    margin-bottom: 10px;

}


.music-card p {

    color: #ccc;

    margin-bottom: 20px;

}


.music-card a {

    display: inline-block;

    padding: 12px 24px;

    border-radius: 30px;

    background: cyan;

    color: black;

    text-decoration: none;

    font-weight: bold;

    transition: .3s;

}


.music-card a:hover {

    background: #00aaff;
    color: white;

}


#backBtn {

    margin-top: 40px;

}


.music-mode {

    width: 200px;
    height: 200px;

    display: block;

    margin-left: auto;
    margin-right: auto;

    margin-bottom: 40px;

    border-radius: 50%;

    border: 4px solid cyan;

    box-shadow:
        0 0 15px cyan,
        0 0 35px cyan,
        0 0 60px cyan;

    animation: float 3s infinite ease-in-out;

    cursor: pointer;

}


/* ========================================
   SMOOTH THEME TRANSITIONS
   ======================================== */

body,
.card,
.music-card,
button,
.hero h1,
.hero h2,
.hero p,
.card h2,
.card p,
.card li,
.card a,
.music-title,
.music-card h3,
.music-card p,
.music-card a,
.back-btn {

    transition:
        background-color 0.4s ease,
        color 0.4s ease,
        border-color 0.4s ease,
        box-shadow 0.4s ease;

}


/* ========================================
   LIGHT MODE
   ======================================== */

body.light-mode {

    background: #f4faff;
    color: #111;

}


/* Back Button */

body.light-mode .back-btn {

    color: #008cff;

}


/* Profile Picture */

body.light-mode .profile-pic,
body.light-mode .music-mode {

    border-color: #008cff;

    box-shadow:
        0 0 10px #008cff,
        0 0 30px #008cff,
        0 0 60px #008cff;

}


/* Hero */

body.light-mode .hero h1 {

    color: #008cff;

}


body.light-mode .hero h2 {

    color: #0077cc;

    text-shadow:
        0 0 10px #00aaff,
        0 0 30px #00aaff;

}


body.light-mode .hero p {

    color: #222;

}


/* Buttons */

body.light-mode button {

    background: #008cff;
    color: white;

    box-shadow:
        0 0 20px #008cff;

}


/* Cards */

body.light-mode .card {

    background: #ffffff;
    color: #222;

    border-color: #008cff;

    box-shadow:
        0 0 20px rgba(0, 140, 255, 0.45);

}


body.light-mode .card h2 {

    color: #008cff;

}


body.light-mode .card p,
body.light-mode .card li {

    color: #333;

}


body.light-mode .card a {

    color: #0077cc;

}


/* Music Page */

body.light-mode .music-title {

    color: #008cff;

    text-shadow:
        0 0 15px #00aaff,
        0 0 35px #00aaff;

}


/* Music Cards */

body.light-mode .music-card {

    background: #ffffff;
    color: #222;

    border-color: #008cff;

    box-shadow:
        0 0 20px rgba(0, 140, 255, 0.45);

}


body.light-mode .music-card h3 {

    color: #008cff;

}


body.light-mode .music-card p {

    color: #444;

}


body.light-mode .music-card a {

    background: #008cff;
    color: white;

}


body.light-mode .music-card a:hover {

    background: #006dcc;
    color: white;

}


/* ========================================
   PROFILE CLICK EFFECT
   ======================================== */

.profile-pic:hover,
.music-mode:hover {

    transform: scale(1.05);

}


/* ========================================
   MUSIC PAGE ANIMATION
   ======================================== */

@keyframes fade {

    from {

        opacity: 0;

        transform: translateY(10px);

    }

    to {

        opacity: 1;

        transform: translateY(0);

    }

}