Megalodon: manage ARK servers over RCON from a web dashboard

Watches any number of ARK:SE servers (RCON for players and chat, the query
port for map, version and player cap), records joins, leaves, chat and an
audit trail, and keeps a player database across servers.

Control: save, broadcast, chat, whisper, kick, time of day, MOTD, wild dino
wipe, a raw console with history and macros, restarts with timed warnings and
a world save, optional start command and auto-start. Bans are kept by
Megalodon: timed, cluster-wide and re-enforced when the player returns.

Automation: schedules (every N or at times of day), Discord/ntfy/webhook
notifications, welcome message, chat word filter.

Access: viewer, moderator and admin roles, API tokens, Prometheus metrics.
cmd/fakeark simulates a server for trying it out.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/web/static/style.css

@@ -0,0 +1,93 @@
+:root {
+  --bg: #f4f6f8; --panel: #ffffff; --text: #17212b; --muted: #5d6b79; --line: #dde3e9;
+  --accent: #1f6fa8; --accent-text: #ffffff; --ok: #1c8a4b; --warn: #b36b00; --bad: #c4332b;
+  --ok-bg: #e2f4ea; --warn-bg: #fdf0d9; --bad-bg: #fbe5e3; --chip: #eaeff3;
+}
+@media (prefers-color-scheme: dark) {
+  :root {
+    --bg: #0f151b; --panel: #172029; --text: #e4ebf1; --muted: #8fa0af; --line: #2a3744;
+    --accent: #4aa3de; --accent-text: #0b1218; --ok: #4cc07d; --warn: #e0a243; --bad: #ef6b62;
+    --ok-bg: #153325; --warn-bg: #382b12; --bad-bg: #3b1d1b; --chip: #212d38;
+  }
+}
+* { box-sizing: border-box; }
+body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
+a { color: var(--accent); }
+h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.2; }
+h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; } h3 { font-size: 1rem; }
+.muted { color: var(--muted); } .small { font-size: .85rem; } .mono { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; }
+.err { color: var(--bad); min-height: 1.2em; margin: .4rem 0 0; }
+
+header.bar { display: flex; align-items: center; gap: 1rem; padding: .6rem 16px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; position: sticky; top: 0; z-index: 5; }
+header.bar .brand { font-weight: 700; font-size: 1.1rem; margin-right: .5rem; }
+header.bar nav { display: flex; gap: .25rem; flex-wrap: wrap; flex: 1; }
+header.bar nav a { padding: .35rem .7rem; border-radius: 6px; color: var(--text); text-decoration: none; }
+header.bar nav a.on { background: var(--chip); font-weight: 600; }
+main { max-width: 1120px; margin: 0 auto; padding: 16px; }
+
+.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
+.card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
+.card h2 { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
+.card canvas { width: 100%; height: 44px; display: block; margin: .6rem 0; }
+.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
+.row.end { justify-content: flex-end; } .row.between { justify-content: space-between; }
+.spacer { flex: 1; }
+.stack > * + * { margin-top: 14px; }
+
+.pill { display: inline-block; padding: .1rem .55rem; border-radius: 99px; font-size: .78rem; font-weight: 600; background: var(--chip); color: var(--muted); }
+.pill.ok { background: var(--ok-bg); color: var(--ok); } .pill.bad { background: var(--bad-bg); color: var(--bad); } .pill.warn { background: var(--warn-bg); color: var(--warn); }
+.banner { padding: .55rem .8rem; border-radius: 8px; background: var(--warn-bg); color: var(--warn); margin: .6rem 0; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
+.banner.bad { background: var(--bad-bg); color: var(--bad); }
+
+button, .btn { font: inherit; padding: .35rem .8rem; border-radius: 7px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
+button:hover { border-color: var(--accent); }
+button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
+button.danger { color: var(--bad); } button.danger:hover { border-color: var(--bad); }
+button.small { padding: .15rem .5rem; font-size: .82rem; }
+button:disabled { opacity: .5; cursor: default; }
+input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 7px; padding: .4rem .55rem; max-width: 100%; }
+input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
+input[type=checkbox] { width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }
+textarea { width: 100%; min-height: 5rem; font-family: ui-monospace, Consolas, monospace; font-size: .88rem; }
+
+.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); margin: 1rem 0; flex-wrap: wrap; }
+.tabs a { padding: .45rem .9rem; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
+.tabs a.on { color: var(--text); border-color: var(--accent); font-weight: 600; }
+
+table { width: 100%; border-collapse: collapse; }
+th, td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
+th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
+td.actions { white-space: nowrap; text-align: right; }
+.tablewrap { overflow-x: auto; }
+.empty { padding: 1.2rem; text-align: center; color: var(--muted); }
+
+.log { max-height: 55vh; overflow-y: auto; font-size: .9rem; }
+.ev { display: flex; gap: .6rem; padding: .25rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
+.ev time { color: var(--muted); font-size: .8rem; white-space: nowrap; min-width: 4.8rem; }
+.ev .tag { font-size: .7rem; text-transform: uppercase; padding: 0 .4rem; border-radius: 4px; background: var(--chip); color: var(--muted); white-space: nowrap; }
+.ev .tag.join, .ev .tag.online, .ev .tag.start { background: var(--ok-bg); color: var(--ok); }
+.ev .tag.leave { background: var(--chip); }
+.ev .tag.offline, .ev .tag.ban, .ev .tag.kick, .ev .tag.error { background: var(--bad-bg); color: var(--bad); }
+.ev .tag.restart, .ev .tag.filter, .ev .tag.watch, .ev .tag.schedule { background: var(--warn-bg); color: var(--warn); }
+.ev .txt { overflow-wrap: anywhere; }
+.chat .who { font-weight: 600; } .chat .srv { color: var(--accent); }
+pre.out { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: .7rem; min-height: 12rem; max-height: 50vh; overflow: auto; margin: 0 0 .6rem; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .85rem; }
+pre.out .cmd { color: var(--accent); } pre.out .bad { color: var(--bad); }
+
+dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); padding: 18px 20px; width: min(520px, calc(100vw - 32px)); }
+dialog::backdrop { background: rgba(0,0,0,.45); }
+dialog label { display: block; margin: .6rem 0 .15rem; font-size: .85rem; color: var(--muted); }
+dialog label.check { display: flex; gap: .5rem; align-items: center; color: var(--text); font-size: .95rem; }
+dialog input[type=text], dialog input[type=number], dialog input[type=password], dialog select { width: 100%; }
+dialog .multi { display: flex; flex-wrap: wrap; gap: .3rem .9rem; }
+dialog .multi label { display: flex; gap: .35rem; align-items: center; margin: 0; color: var(--text); font-size: .9rem; }
+dialog .buttons { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }
+
+#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: .5rem; z-index: 50; max-width: min(420px, calc(100vw - 32px)); }
+.toast { background: var(--text); color: var(--bg); padding: .6rem .9rem; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.25); overflow-wrap: anywhere; }
+.toast.bad { background: var(--bad); color: #fff; }
+
+.login { max-width: 340px; margin: 14vh auto 0; }
+.login form > * { display: block; width: 100%; margin-top: .6rem; }
+@media (max-width: 640px) { main { padding: 10px; } td.actions { white-space: normal; } }
+.grow { flex: 1; min-width: 0; } .mt { margin-top: .7rem; }