body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #e5e7eb;
    min-height: 100vh;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 16px;
}

.auth-card {
    width: min(460px, 100%);
    background: rgba(15, 23, 42, 0.88);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 24px 60px rgba(2, 6, 23, 0.45);
}

.auth-card h1 {
    margin: 0 0 10px;
    font-size: 28px;
}

.auth-card p {
    margin: 0 0 22px;
    color: #94a3b8;
    line-height: 1.5;
}

.auth-form {
    display: grid;
    gap: 16px;
}

.auth-form label {
    display: grid;
    gap: 8px;
    font-size: 14px;
    color: #cbd5e1;
}

.auth-form input {
    width: 100%;
    box-sizing: border-box;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(15, 23, 42, 0.95);
    color: #f8fafc;
    padding: 14px 16px;
    font-size: 14px;
}

.auth-form button,
.auth-link-button {
    border: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.auth-link-row {
    margin-top: 18px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.auth-link-row a {
    color: #93c5fd;
    text-decoration: none;
}

.auth-message,
.auth-errors {
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 14px;
}

.auth-message {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #bbf7d0;
    margin-bottom: 18px;
}

.auth-errors {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fecaca;
    margin-bottom: 18px;
}

.auth-errors ul {
    margin: 0;
    padding-left: 18px;
}