* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f0f10;
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
#app {
    width: 100%;
    max-width: 420px;
}
.profile-card {
    background: #18181b;
    border-radius: 16px;
    padding: 16px 16px 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.profile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    margin-bottom: 20px;
    color: #e4e4e7;
}
.profile-back,
.profile-settings {
    opacity: 0.8;
}
.profile-title {
    font-weight: 600;
}
.profile-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 0 4px;
}
.avatar-wrap {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #3b82f6;
    background: #111827;
    margin-bottom: 12px;
}
.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.name {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    color: #f9fafb;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.error {
    margin-top: 12px;
    font-size: 14px;
    color: #f97373;
    text-align: center;
}
.hidden {
    display: none !important;
}