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No.219 · Authentication

Invite Join

An invitation that shows you the room before you walk in: the team sits as a cluster of faces around the person who invited you. Accept, choose a name and password, and your face flies up into the cluster beside theirs while everyone else shuffles out on springs to make room.

The prompt

The design brief behind this component — reuse it to regenerate, remix, or explain it.

Build a team-invitation card whose avatar cluster makes room for you when you join. Cluster (13.5rem tall, a soft accent glow behind): avatars are gradient circles with initials, placed by phyllotaxis — slot 0 at the centre (the inviter, larger), slot i at radius 31·√(i + 2.2) (offset so the first ring clears the centre) and angle i × 137.508°, stretched 1.42× wide and 0.84× tall to fit the card, plus a "+12" bubble in the next slot. Each face is absolutely centred and moved with transform: translate(var(--x), var(--y)); they pop in staggered on mount (scale 0.4 → 1, overshoot). The cluster is one role=img listing every name. Steps: invite ("Maryam Al-Harthy invited you to join Vitrine Design", member count and the invited email, Accept invitation / Decline) → form (your name prefilled from the email, a password of 10+ characters, text errors linked to the inputs, Join / Back; the name field is focused) → joined ("You're in, Hamza.", Open Vitrine Design →, focus on the heading, a polite status) or declined ("We won't tell Maryam", Undo; the faces go grey). Joining inserts you at slot 1, right beside the inviter, so every other face's slot moves outward: their transforms transition to the new places over 760ms with a springy overshoot, staggered 28ms per face. Your face flies in with keyframes — from 13rem below (where the form was) at 1.6× scale, arcing up through a point 2.2rem above and short of your slot, settling at scale 1 — with an accent ring. Members are keyed by name, so they keep their identity across the shuffle. Paper and Night; reduced motion places everyone at once.

Notes

Interaction
Accept the invitation, choose a password (10+ characters) and join to see your face fly in and the team make room. Try Decline and Undo.
Motion
Faces pop in 520ms, 45ms apart; on joining, every face springs to its new slot (760ms, overshoot, 28ms stagger) and yours flies in along an arc (900ms).
Accessibility
Real form fields with labels and text errors; focus moves to the name field and then to the result heading; the cluster is one labelled image; joining is announced politely. Reduced motion moves no one.
Responsive
A single card up to 26rem; the cluster fits phone widths.
On touch
Identical on touch.

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301 components