body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: #0a0a23;
    color: #fff;
    margin: 0;
    padding: 0;
}
.settings-container {
    max-width: 600px;
    margin: 100px auto 0 auto;
    background: rgba(20, 20, 40, 0.98);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    padding: 40px 36px 32px 36px;
    display: flex;
    flex-direction: column;
    gap: 36px;
    border: 2px solid #2323a7;
}
.settings-title {
    font-size: 2.5em;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #6a5acd, #00FFFF, #ff6b6b);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    text-align: center;
}
.profile-section, .subscription-section {
    background: rgba(30, 30, 60, 0.95);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}
.section-title {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 18px;
    color: #00FFFF;
    letter-spacing: 0.5px;
}
.profile-info, .subscription-info {
    font-size: 1.1em;
    margin-bottom: 10px;
    color: #e0e0ff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.profile-info span, .subscription-info span {
    margin-left: 16px;
    font-weight: 500;
    color: #fff;
    text-align: right;
}
.settings-btn {
    background: linear-gradient(90deg, #6a5acd, #00FFFF, #ff6b6b);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 14px 28px;
    font-size: 1.1em;
    font-weight: 600;
    margin: 24px auto 0 auto;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    display: block;
    width: 260px;
    text-align: center;
}
.settings-btn.danger-btn {
    background: linear-gradient(90deg, #ff4b2b, #ff416c);
    color: #fff;
    margin: 0;
    width: 220px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.settings-btn.danger-btn:hover {
    background: linear-gradient(90deg, #ff416c, #ff4b2b);
}
.settings-btn#change-sub-btn {
    position: relative;
    overflow: hidden;
    height: 64px;
    font-size: 1.25em;
    box-shadow: 0 0 24px 0 #00fff7, 0 0 48px 0 #6a5acd;
    animation: glow-pulse 1.5s infinite alternate;
    background: linear-gradient(90deg, #6a5acd, #00FFFF, #ff6b6b);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: normal;
}
@keyframes glow-pulse {
    0% {
        box-shadow: 0 0 12px 0 #00fff7, 0 0 24px 0 #6a5acd;
        filter: brightness(1.1);
    }
    100% {
        box-shadow: 0 0 36px 8px #00fff7, 0 0 72px 16px #ff6b6b;
        filter: brightness(1.35);
    }
}
.settings-btn#change-sub-btn .marquee-text {
    position: static;
    animation: none;
    font-weight: 700;
    color: #fff;
    white-space: normal;
}
.cancel-section, .danger-section {
    background: rgba(30, 30, 60, 0.95);
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    margin-top: 32px;
    margin-bottom: 0;
}
.cancel-section-title, .danger-section-title {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}
.cancel-section-desc, .danger-section-desc {
    color: #ccc;
    font-size: 1em;
    margin-bottom: 18px;
}
.danger-section {
    margin-top: 24px;
}
@media (max-width: 700px) {
    .settings-container {
        padding: 18px 6vw;
    }
    .profile-section, .subscription-section {
        padding: 16px 6vw;
    }
    .settings-title {
        font-size: 2em;
    }
}