.signup-page {
    min-height: 100svh;
    background:
        radial-gradient(circle at 12% 12%, rgba(0, 149, 250, .08), transparent 28rem),
        var(--app-page);
    padding: 1.2rem;
}

.signup-header {
    display: flex;
    width: min(1180px, 100%);
    margin: 0 auto 1.2rem;
    align-items: center;
    justify-content: space-between;
}

.signup-header .i3-brand {
    position: static;
}

.signup-back {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--gray-600);
    font-size: .75rem;
    font-weight: 700;
    text-decoration: none;
}

.signup-shell {
    display: grid;
    width: min(1180px, 100%);
    min-height: calc(100svh - 6.5rem);
    margin: auto;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.signup-form-panel,
.signup-guide-panel {
    border-radius: var(--radius-md);
    padding: clamp(2rem, 5vw, 5rem);
}

.signup-form-panel {
    display: flex;
    background: var(--app-surface);
    flex-direction: column;
    justify-content: flex-start;
}

.signup-form-panel h1,
.signup-guide-panel h2 {
    margin: 0;
    font-size: clamp(2rem, 3.2vw, 2.7rem);
    letter-spacing: -.065em;
    line-height: .98;
}

.signup-form {
    display: grid;
    max-width: 31rem;
    margin-top: 2.2rem;
    gap: .65rem;
}

.signup-form label {
    margin-top: .45rem;
    color: var(--gray-800);
    font-size: .72rem;
    font-weight: 700;
}

.signup-form input:not([type="checkbox"]) {
    width: 100%;
    min-height: 3.25rem;
    border: 1px solid var(--gray-200);
    border-radius: .85rem;
    background: var(--app-page);
    color: var(--gray-900);
    font: inherit;
    padding: .75rem 1rem;
}

.signup-form input:not([type="checkbox"]):focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 149, 250, .12);
    outline: 0;
}

.signup-form small,
.signup-legal {
    color: var(--gray-500);
    font-size: .68rem;
    line-height: 1.55;
}

.signup-password {
    position: relative;
}

.signup-password input {
    padding-right: 3.25rem;
}

.signup-password button {
    position: absolute;
    top: 50%;
    right: .6rem;
    width: 2.35rem;
    height: 2.35rem;
    border: 0;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    transform: translateY(-50%);
}

.signup-primary {
    display: inline-flex;
    min-height: 3.25rem;
    margin-top: 1.15rem;
    border: 0;
    border-radius: .85rem;
    background: var(--primary);
    color: #fff;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    font: inherit;
    font-size: .78rem;
    font-weight: 700;
    cursor: pointer;
    padding: .8rem 1.2rem;
}

.signup-primary:disabled {
    cursor: not-allowed;
    opacity: .55;
}

.signup-legal {
    max-width: 31rem;
    margin: 1rem 0 0;
}

.signup-legal a {
    color: var(--primary);
}

.signup-message {
    max-width: 31rem;
    margin: 1.25rem 0 0;
    border-left: 3px solid var(--accent);
    background: rgba(0, 149, 250, .07);
    color: var(--gray-700);
    font-size: .76rem;
    line-height: 1.6;
    padding: .85rem 1rem;
}

.signup-resend-form {
    max-width: 31rem;
    margin-top: .9rem;
    text-align: center;
}

.signup-resend-form button {
    border: 0;
    background: transparent;
    color: var(--primary);
    font: inherit;
    font-size: .72rem;
    font-weight: 700;
    cursor: pointer;
}

.signup-code-input {
    text-align: center;
    font-size: 1.7rem !important;
    font-weight: 700 !important;
    letter-spacing: .45em;
}

.signup-success {
    display: flex;
    max-width: 31rem;
    margin-top: 2rem;
    border-radius: 1rem;
    background: rgba(0, 149, 250, .08);
    color: var(--gray-700);
    align-items: center;
    gap: .85rem;
    padding: 1.1rem;
}

.signup-success i {
    color: var(--primary);
    font-size: 1.4rem;
}

.signup-guide-panel {
    display: flex;
    background: var(--app-accent-gradient);
    color: var(--app-on-brand);
    flex-direction: column;
    justify-content: flex-start;
}

.signup-progress {
    display: grid;
    margin: 3rem 0 0;
    padding: 0;
    gap: .7rem;
    list-style: none;
}

.signup-progress li {
    display: grid;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 1rem;
    background: rgba(255, 255, 255, .06);
    grid-template-columns: 2.35rem 1fr;
    gap: .8rem;
    padding: .85rem;
}

.signup-progress li > strong {
    align-self: center;
}

.signup-progress li > span {
    display: grid;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: .75rem;
    background: rgba(255, 255, 255, .12);
    font-size: .72rem;
    font-weight: 700;
    place-items: center;
}

.signup-progress li.is-current {
    border-color: rgba(255, 255, 255, .5);
    background: rgba(255, 255, 255, .14);
}

.signup-progress li.is-current > span {
    background: #fff;
    color: var(--primary);
}

.signup-progress strong {
    font-size: .78rem;
}

@media (max-width: 800px) {
    .signup-shell {
        grid-template-columns: 1fr;
    }

    .signup-form-panel,
    .signup-guide-panel {
        min-height: auto;
    }

    .signup-guide-panel {
        order: 2;
    }
}

@media (max-width: 520px) {
    .signup-page {
        padding: .75rem;
    }

    .signup-header {
        padding: .35rem;
    }

    .signup-form-panel,
    .signup-guide-panel {
        border-radius: 1.25rem;
        padding: 1.5rem;
    }
}