body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 28%),
                radial-gradient(circle at bottom right, rgba(99, 102, 241, 0.2), transparent 30%),
                #020617;
    font-family: 'Inter', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

main {
    margin-top: 1rem;
}

.panel,
.hero,
.auth-card,
.writer-card,
.payment-card,
.hero-card,
.card {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
}

.hero-card,
.card,
.panel,
.writer-card,
.payment-card {
    box-shadow: 0 32px 90px rgba(15, 23, 42, 0.25);
}

.eyebrow {
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.alert {
    border-radius: 1rem;
}

.alert-danger {
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.auth-shell {
    min-height: calc(100vh - 138px);
}

.auth-card {
    width: min(680px, 100%);
}

input,
select,
textarea {
    font: inherit;
}

button,
input,
select,
textarea {
    outline: none;
}

button {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.page-graphic {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0.5;
}

.page-graphic span {
    position: absolute;
    display: block;
    border-radius: 9999px;
    filter: blur(38px);
}

.page-graphic span:first-child {
    width: 260px;
    height: 260px;
    background: rgba(56, 189, 248, 0.26);
    top: -40px;
    right: -40px;
}

.page-graphic span:nth-child(2) {
    width: 320px;
    height: 320px;
    background: rgba(168, 85, 247, 0.18);
    bottom: -80px;
    left: -80px;
}

.page-graphic span:nth-child(3) {
    width: 180px;
    height: 180px;
    background: rgba(34, 197, 94, 0.22);
    top: 200px;
    left: 20%;
}

@media (max-width: 900px) {
    .auth-shell,
    .hero,
    .card-grid,
    .writer-list,
    .payment-list,
    .form-grid {
        display: block;
    }
}