Change your password, bigger co-op teams, and more board space

A batch of smaller changes, mostly around accounts and co-op:

• Change your password. The account menu now has a "Change password" option — enter your current one and a new one, no email round-trip needed.
• Caps Lock warning. The login page now tells you when Caps Lock is on, so a wrong-case password typo doesn't leave you guessing why it didn't work.
• Co-op teams can be bigger than two. A co-op game still needs at least two humans to start, but up to eight can now play on the same team against the bots, not just a single teammate.
• A skull marks anyone who's out. The player list now shows 💀 next to a player or bot with no ships and no planets left.
• Collapsible side panels. On wide screens, the players/events panel and the bot chat column can each collapse to a thin strip, handing their space back to the board, and expand again with one click.
• Plain numbers when bars won't fit. Between full attribute bars and no detail at all, there's now a middle ground: "ADP: 10,4,7" as plain text, for planets too close together to draw bars but with room for a line of numbers.

Play now.