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12 changed files with 46 additions and 407 deletions
+1 -3
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@@ -150,9 +150,7 @@ Re-run `ansible/` after a host resize — it is idempotent.
workflow manually (Gitea → Actions → prod-deploy → run from `master`, input
`confirm=deploy`). It builds + pushes the images to the registry, ships the
compose/config/certs/env over SSH, deploys the main host with `prod-deploy.sh` (rolling,
health-gated, **auto-rollback to the previous tag**; caddy is force-recreated on its roll so
a bind-mounted `Caddyfile` change applies — its image is pinned and admin is off, so neither a
new tag nor a hot reload would pick it up), then the bot host, then probes the
health-gated, **auto-rollback to the previous tag**), then the bot host, then probes the
public site. After `master` is green this workflow is the **only** thing that touches
prod — nothing auto-deploys there. It runs four visible jobs: **build → deploy-main →
deploy-bot → verify** (the per-service rolling shows in the deploy-main log).
-12
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@@ -21,18 +21,6 @@
}
{$CADDY_SITE_ADDRESS::80} {
# HTTP/3 is advertised by default whenever this caddy terminates TLS (prod:
# CADDY_SITE_ADDRESS is the domain). But UDP/443 is never reachable — the prod
# compose maps only "443:443" (TCP) and ufw opens 443/tcp — so a client that cached
# the `Alt-Svc: h3` advert (sticky for ma=2592000s) stalls on the dead QUIC path
# before falling back to h2, which surfaced as the Telegram Mini App intermittently
# hanging on load. `Alt-Svc: clear` actively drops any cached alternative and pins
# clients to h2/h1; it is applied site-wide so every route is covered. In the test
# contour this caddy serves plain :80 (no h3 to advertise) and the host caddy
# re-stamps its own Alt-Svc, so the live test fix lives in the host caddy — here it
# is the prod fix. Background + alternatives (incl. serving h3 for real): docs/EDGE_HTTP3.md.
header Alt-Svc clear
# Operator surfaces under /_gm: a single shared Basic-Auth, then route.
@gm path /_gm /_gm/*
handle @gm {
+1 -15
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@@ -36,21 +36,7 @@
"type": "stat",
"title": "Database size",
"gridPos": { "h": 5, "w": 6, "x": 18, "y": 0 },
"fieldConfig": {
"defaults": {
"unit": "bytes",
"color": { "mode": "thresholds" },
"thresholds": {
"mode": "absolute",
"steps": [
{ "color": "green", "value": null },
{ "color": "yellow", "value": 8589934592 },
{ "color": "red", "value": 17179869184 }
]
}
},
"overrides": []
},
"fieldConfig": { "defaults": { "unit": "bytes" }, "overrides": [] },
"datasource": { "type": "prometheus", "uid": "prometheus" },
"targets": [{ "refId": "A", "expr": "max(pg_database_size_bytes{datname=\"scrabble\"})" }]
},
+1 -7
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@@ -74,13 +74,7 @@ health_running() { # health_running <container>: running, not restarting, stable
roll() { # roll <service> <health-cmd...>
local svc="$1"; shift
echo ">>> rolling $svc -> $TAG"
# caddy's image is pinned (caddy:2-alpine, no $TAG) and its Caddyfile is bind-mounted, so a
# config-only change leaves the compose definition unchanged: `up -d` treats the container as
# current and does not recreate it, and admin is off so there is no hot reload — the new
# Caddyfile would never load. Force a recreate for caddy so config changes always apply; every
# other service already recreates on its new $TAG image.
local recreate=(); [ "$svc" = caddy ] && recreate=(--force-recreate)
dc up -d --no-build --no-deps "${recreate[@]}" "$svc" || return 1
dc up -d --no-build --no-deps "$svc" || return 1
"$@" || { echo "!!! $svc failed health check"; return 1; }
echo "<<< $svc healthy"
}
+1 -4
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@@ -1098,10 +1098,7 @@ Two contours, two secret/variable prefixes (`TEST_` / `PROD_`):
the **main host** runs the full stack (`docker-compose.yml` + `docker-compose.prod.yml`),
the **bot host** runs only the bot (`docker-compose.bot.yml`, no VPN — native Bot API
egress, telemetry off). There is no host caddy, so the contour caddy terminates TLS —
`CADDY_SITE_ADDRESS` is the domain and caddy does its own ACME. Caddy advertises HTTP/3 by default, but UDP/443 is not exposed (the
compose maps only TCP and ufw opens 443/tcp), so the edge emits `Alt-Svc: clear` to keep
clients on h2/h1 rather than stall on a dead QUIC path — see [`EDGE_HTTP3.md`](EDGE_HTTP3.md).
The gateway **publishes**
`CADDY_SITE_ADDRESS` is the domain and caddy does its own ACME. The gateway **publishes**
the bot-link `:9443`; the remote bot dials it over mTLS (certs from `PROD_BOTLINK_*`,
ServerName `gateway`, so TLS validation is independent of the public dial address), holds
no inbound port, and login is unaffected if that host or the link is down.
-111
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@@ -1,111 +0,0 @@
# Edge HTTP/3 (`Alt-Svc`) policy
## TL;DR
The edge **advertises HTTP/3 but does not actually serve it** (UDP/443 is not exposed),
so we suppress the advert with `Alt-Svc: clear`. Advertising QUIC on `:443/udp` while
that port is unreachable makes clients — notably the Telegram Mini App webview — stall
on a dead QUIC connection before falling back to h2, which shows up as the app "hanging
on load".
## Symptom
Opening the Mini App intermittently hangs on load: from a barely-noticeable pause to
several seconds, sometimes a blank window that never finishes downloading `index.html`.
Intermittent, worse after the first successful visit, reproduced on both the test
contour and prod.
## Root cause
Caddy enables HTTP/3 by default on any TLS listener and emits
`Alt-Svc: h3=":443"; ma=2592000` — telling every client "reach me over QUIC/UDP 443"
and to cache that for 30 days. But UDP/443 is **never reachable end to end**:
- **Test contour**: the host caddy publishes only `:443/tcp` (`docker port caddy` shows
no `udp`); QUIC packets from the internet are dropped.
- **Prod**: `deploy/docker-compose.prod.yml` maps `"443:443"` (Docker = **TCP only**)
and `deploy/ansible/roles/main/tasks/main.yml` opens 443 `proto: tcp`. UDP/443 is
dropped at both the publish and the firewall.
Caddy *does* bind `udp/443` inside the container and h3 works container-to-container
(verified `http=3 code=200`), so the listener is healthy — it is simply not exposed.
A client that cached the advert tries QUIC first on later opens, gets no response, and
waits for the QUIC attempt to time out before falling back to TCP/h2. That wait is the
stall. The very first visit (no cached `Alt-Svc`) uses h2 and is fast.
The h2/TCP serving path itself is healthy: 30 fresh-TLS requests through the full path
(host caddy -> contour caddy -> gateway) measured TTFB ~9.5 ms, total ~9.8 ms, no tail;
`index.html` is ~1 KB.
## Fix in place (option A — suppress the advert)
Emit `Alt-Svc: clear`, which actively drops any cached alternative (better than merely
deleting the header, which leaves the sticky 30-day cache in place):
- **Prod / repo**: `deploy/caddy/Caddyfile` — a site-level `header Alt-Svc clear` (this
caddy terminates TLS in prod).
- **Test contour**: the host caddy terminates TLS, so the fix lives there (homelab
config, outside this repo): `header Alt-Svc clear` on the `scrabble.*` site. The
in-compose caddy serves plain `:80` in test and never advertises h3, so the repo
directive is a harmless no-op there (the host caddy re-stamps the header).
`header Alt-Svc clear` overrides Caddy's auto-advert (verified) and is site-scoped.
### Verify
The runner/prod host shell cannot reach the Docker bridge IPs directly, so probe from a
container on the relevant network, using `--resolve` to hit the TLS-terminating caddy by
its bridge IP (this also bypasses the public-IP NAT hairpin):
```sh
# <edge-ip> = the TLS-terminating caddy's IP on its network (docker inspect ... )
docker run --rm --network edge curlimages/curl:latest -sS -D - -o /dev/null \
--resolve <host>:443:<edge-ip> https://<host>/telegram/ | grep -iE '^HTTP|^alt-svc'
# expect: HTTP/2 200, and NO `alt-svc: h3=...` (the header is absent or `alt-svc: clear`)
```
## If it recurs — alternatives to try
So we do not re-derive the diagnosis from scratch:
1. **Re-confirm the advert is actually suppressed** with the verify command above. A
redeploy or a Caddy upgrade could regress it, or a client may still hold a cached
`h3` entry that has not yet been replaced by a `clear` (it needs one successful h2
response to receive the `clear`).
2. **Option B — serve HTTP/3 for real** instead of suppressing it. Worth it only if we
actually want QUIC (the benefit is marginal for a ~1 KB shell plus hash-immutable
cached assets, and it adds UDP/QUIC attack surface):
- Publish UDP: add `"443:443/udp"` next to the TCP map in
`deploy/docker-compose.prod.yml` (and publish udp/443 on the test host caddy too).
- Open the firewall: add a `443 proto: udp` rule in
`deploy/ansible/roles/main/tasks/main.yml`.
- Drop the `header Alt-Svc clear` so Caddy advertises h3 again.
- Verify with an h3 client from inside the network:
`docker run --rm --network edge ymuski/curl-http3 curl --http3-only ...` should
return `http=3 code=200`.
3. **Look past the edge** if the advert is suppressed and stalls persist. The h2 path is
fast server-side, so a remaining stall is most likely the client network / RTT / the
provider, not our stack. Re-run the timing loop (below) to confirm the server is
still <~10 ms TTFB before chasing the client side.
## How this was diagnosed (method, to repeat)
- The runner/prod host shell cannot reach the Docker bridge subnets, so all probing runs
from a throwaway container on the target network (`docker run --network <net>
curlimages/curl`), using `--resolve <host>:443:<edge-ip>` to bypass the public-IP NAT
hairpin and exercise the real TLS path.
- Compare a fresh-connection timing loop (worst case, full TLS each time) against a
keepalive batch to separate handshake cost from serving cost:
```sh
docker run --rm --network edge curlimages/curl:latest sh -c '
for i in $(seq 1 30); do
curl -sS -o /dev/null --resolve <host>:443:<edge-ip> \
-w "http=%{http_version} code=%{http_code} tls=%{time_appconnect} ttfb=%{time_starttransfer} total=%{time_total}\n" \
https://<host>/telegram/
done'
```
- `docker port <caddy>` shows whether `udp/443` is actually published; the response
`Alt-Svc` header shows what the edge advertises. The two disagreeing is the bug.
-3
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@@ -213,9 +213,6 @@ block **overrides but does not delete** an existing friendship (so you may block
they keep seeing you as one); active games are never interrupted — you can finish them, with
the blocked opponent's chat composer hidden (only the log remains). Blocking from a game card
mirrors the block in **Settings → Friends**; **unblock** and **unfriend** live there only.
On Settings → Friends each friend is a one-line row whose right-hand kebab (⋮) slides open
**block 🚫** and **remove ✖️** icon actions, and each action is gated by a confirmation
that names the friend (*Block this player?* / *Remove from friends?*).
Blocking an **auto-match opponent who is secretly a robot** behaves the same in that game
(struck name, hidden composer) and lists the blocked opponent under the name you saw, but is
recorded only against that game — the disguise holds, the shared robot is never globally
-3
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@@ -218,9 +218,6 @@ _Вход сейчас только через провайдера, поэто
заблокированного соперника «подвал» чата скрыт (остаётся только лог). Блокировка с карточки в
партии повторяет блокировку в **Настройках → Друзья**; **разблокировка** и **удаление из друзей**
есть только там.
В **Настройках → Друзья** каждый друг — однострочник, чей правый кебаб (⋮) выдвигает
иконки-действия **заблокировать 🚫** и **удалить ✖️**, и каждое действие подтверждается
диалогом с именем друга (*Заблокировать?* / *Удалить из друзей?*).
Блокировка **авто-матч соперника, который втайне робот**, в этой партии ведёт себя так же
(зачёркнутое имя, скрытый «подвал») и в списке заблокированных показывается под тем именем,
которое ты видел, но записывается только для этой партии — маскировка сохраняется, общий
-54
View File
@@ -44,60 +44,6 @@ test('friends: issue a code, accept an incoming request, redeem a code', async (
await expect(page.locator('.who', { hasText: 'Friend 111111' })).toBeVisible();
});
test('friends: the row kebab reveals block/remove and an outside tap closes it', async ({ page }) => {
await loginLobby(page);
await openFriends(page);
// A friend row slides open on its kebab (like the lobby), exposing two icon actions.
const kaya = page.locator('.rowwrap', { hasText: 'Kaya' });
await kaya.locator('.kebab').click();
await expect(kaya).toHaveClass(/revealed/);
await expect(kaya.locator('.acts').getByRole('button', { name: 'Block' })).toBeVisible();
await expect(kaya.locator('.acts').getByRole('button', { name: 'Remove' })).toBeVisible();
// A tap anywhere outside the action buttons collapses the row again.
await page.getByRole('heading', { name: 'Your friends' }).click();
await expect(kaya).not.toHaveClass(/revealed/);
});
test('friends: blocking from the list confirms (naming the friend) and moves them to Blocked', async ({ page }) => {
await loginLobby(page);
await openFriends(page);
const kaya = page.locator('.rowwrap', { hasText: 'Kaya' });
await kaya.locator('.kebab').click();
await kaya.locator('.acts').getByRole('button', { name: 'Block' }).click();
// The confirmation keeps a generic title and names the friend in the body.
const dialog = page.getByRole('dialog');
await expect(dialog.getByText('Block this player?')).toBeVisible();
await expect(dialog.locator('.confirm-name')).toHaveText('Kaya');
await dialog.getByRole('button', { name: 'Block' }).click();
// The block applied: Kaya leaves the friends list and shows under Blocked players.
await expect(page.getByText('No friends yet.')).toBeVisible();
const blocked = page.locator('.rowwrap', { hasText: 'Kaya' });
await expect(blocked.getByRole('button', { name: 'Unblock' })).toBeVisible();
});
test('friends: removing from the list confirms (naming the friend) and drops them', async ({ page }) => {
await loginLobby(page);
await openFriends(page);
const kaya = page.locator('.rowwrap', { hasText: 'Kaya' });
await kaya.locator('.kebab').click();
await kaya.locator('.acts').getByRole('button', { name: 'Remove' }).click();
const dialog = page.getByRole('dialog');
await expect(dialog.getByText('Remove from friends?')).toBeVisible();
await expect(dialog.locator('.confirm-name')).toHaveText('Kaya');
await dialog.getByRole('button', { name: 'Remove' }).click();
// Unfriending just drops the friendship — Kaya is gone and not blocked.
await expect(page.getByText('No friends yet.')).toBeVisible();
await expect(page.locator('.rowwrap', { hasText: 'Kaya' })).toHaveCount(0);
});
test('invitations: the lobby shows an invitation and accepting clears it', async ({ page }) => {
await loginLobby(page);
await expect(page.getByText('Invitations')).toBeVisible();
-3
View File
@@ -227,9 +227,6 @@ export const en = {
'friends.decline': 'Decline',
'friends.unfriend': 'Remove',
'friends.block': 'Block',
'friends.actions': 'Actions',
'friends.blockConfirm': 'Block this player?',
'friends.unfriendConfirm': 'Remove from friends?',
'friends.add': 'Add a friend',
'friends.addFromGame': 'Add to friends',
'friends.blockFromGame': 'Block player',
-3
View File
@@ -228,9 +228,6 @@ export const ru: Record<MessageKey, string> = {
'friends.decline': 'Отклонить',
'friends.unfriend': 'Удалить',
'friends.block': 'Заблокировать',
'friends.actions': 'Действия',
'friends.blockConfirm': 'Заблокировать?',
'friends.unfriendConfirm': 'Удалить из друзей?',
'friends.add': 'Добавить друга',
'friends.addFromGame': 'В друзья',
'friends.blockFromGame': 'Заблокировать',
+42 -189
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@@ -1,6 +1,5 @@
<script lang="ts">
import { onMount } from 'svelte';
import Modal from '../components/Modal.svelte';
import { app, handleError, refreshNotifications, showToast } from '../lib/app.svelte';
import { connection } from '../lib/connection.svelte';
import { gateway } from '../lib/gateway';
@@ -17,11 +16,6 @@
let robotBlocks = $state<RobotBlockEntry[]>([]);
let code = $state<FriendCode | null>(null);
let redeemInput = $state('');
// The friend row whose kebab actions are slid open, like the lobby list.
let revealedId = $state<string | null>(null);
// Pending confirmation targets: the friend account awaiting a block / unfriend confirm.
let blockTarget = $state<AccountRef | null>(null);
let unfriendTarget = $state<AccountRef | null>(null);
async function load() {
try {
@@ -58,41 +52,6 @@
const blockUser = (id: string) => act(() => gateway.block(id));
const unblock = (id: string) => act(() => gateway.unblock(id));
// toggleReveal slides one friend row open (closing any other), exposing its
// block / unfriend icon actions; tapping the same kebab again closes it.
function toggleReveal(id: string): void {
revealedId = revealedId === id ? null : id;
}
// confirmBlock / confirmUnfriend run the pending action once its modal is
// accepted, then clear the target and the revealed row.
function confirmBlock(): void {
const target = blockTarget;
blockTarget = null;
revealedId = null;
if (target) void blockUser(target.accountId);
}
function confirmUnfriend(): void {
const target = unfriendTarget;
unfriendTarget = null;
revealedId = null;
if (target) void remove(target.accountId);
}
// While a friend row is slid open, a tap anywhere outside its action buttons
// closes it again. Taps on a kebab are skipped so its own toggle stays in charge.
$effect(() => {
if (revealedId === null) return;
function onDown(e: PointerEvent) {
const el = e.target as Element | null;
if (el?.closest('.acts') || el?.closest('.kebab')) return;
revealedId = null;
}
window.addEventListener('pointerdown', onDown, true);
return () => window.removeEventListener('pointerdown', onDown, true);
});
async function getCode() {
try {
code = await gateway.friendCodeIssue();
@@ -193,39 +152,30 @@
{#if incoming.length}
<section>
<h3>{t('friends.incoming')}</h3>
<div class="list">
{#each incoming as r (r.accountId)}
<div class="rowwrap">
<div class="row">
<span class="who">{r.displayName}</span>
<span class="btns">
<button class="btn" onclick={() => respond(r.accountId, true)} disabled={!connection.online}>{t('friends.accept')}</button>
<button class="ghost" onclick={() => respond(r.accountId, false)} disabled={!connection.online}>{t('friends.decline')}</button>
</span>
</div>
</div>
{/each}
</div>
{#each incoming as r (r.accountId)}
<div class="item">
<span class="who">{r.displayName}</span>
<span class="acts">
<button class="btn" onclick={() => respond(r.accountId, true)} disabled={!connection.online}>{t('friends.accept')}</button>
<button class="ghost" onclick={() => respond(r.accountId, false)} disabled={!connection.online}>{t('friends.decline')}</button>
</span>
</div>
{/each}
</section>
{/if}
<section>
<h3>{t('friends.yours')}</h3>
{#if friends.length}
<div class="list">
{#each friends as f (f.accountId)}
<div class="rowwrap" class:revealed={revealedId === f.accountId}>
<div class="acts">
<button class="iconbtn" onclick={() => (blockTarget = f)} disabled={!connection.online} aria-label={t('friends.block')}>🚫</button>
<button class="iconbtn" onclick={() => (unfriendTarget = f)} disabled={!connection.online} aria-label={t('friends.unfriend')}>✖️</button>
</div>
<div class="row">
<span class="who">{f.displayName}</span>
<button class="kebab" onclick={() => toggleReveal(f.accountId)} aria-label={t('friends.actions')}></button>
</div>
</div>
{/each}
</div>
{#each friends as f (f.accountId)}
<div class="item">
<span class="who">{f.displayName}</span>
<span class="acts">
<button class="ghost" onclick={() => remove(f.accountId)} disabled={!connection.online}>{t('friends.unfriend')}</button>
<button class="ghost danger" onclick={() => blockUser(f.accountId)} disabled={!connection.online}>{t('friends.block')}</button>
</span>
</div>
{/each}
{:else}
<p class="muted">{t('friends.none')}</p>
{/if}
@@ -234,49 +184,20 @@
{#if blocked.length || robotBlocks.length}
<section>
<h3>{t('friends.blockedList')}</h3>
<div class="list">
{#each blocked as b (b.accountId)}
<div class="rowwrap">
<div class="row">
<span class="who">{b.displayName}</span>
<span class="btns">
<button class="ghost" onclick={() => unblock(b.accountId)} disabled={!connection.online}>{t('friends.unblock')}</button>
</span>
</div>
</div>
{/each}
{#each robotBlocks as r (r.id)}
<div class="rowwrap">
<div class="row">
<span class="who">{r.displayName}</span>
<span class="btns">
<button class="ghost" onclick={() => unblock(r.id)} disabled={!connection.online}>{t('friends.unblock')}</button>
</span>
</div>
</div>
{/each}
</div>
{#each blocked as b (b.accountId)}
<div class="item">
<span class="who">{b.displayName}</span>
<button class="ghost" onclick={() => unblock(b.accountId)} disabled={!connection.online}>{t('friends.unblock')}</button>
</div>
{/each}
{#each robotBlocks as r (r.id)}
<div class="item">
<span class="who">{r.displayName}</span>
<button class="ghost" onclick={() => unblock(r.id)} disabled={!connection.online}>{t('friends.unblock')}</button>
</div>
{/each}
</section>
{/if}
{#if blockTarget}
<Modal title={t('friends.blockConfirm')} onclose={() => (blockTarget = null)}>
<p class="confirm-name">{blockTarget.displayName}</p>
<div class="confirm-row">
<button class="cancel" onclick={() => (blockTarget = null)}>{t('common.cancel')}</button>
<button class="danger" onclick={confirmBlock} disabled={!connection.online}>{t('friends.block')}</button>
</div>
</Modal>
{/if}
{#if unfriendTarget}
<Modal title={t('friends.unfriendConfirm')} onclose={() => (unfriendTarget = null)}>
<p class="confirm-name">{unfriendTarget.displayName}</p>
<div class="confirm-row">
<button class="cancel" onclick={() => (unfriendTarget = null)}>{t('common.cancel')}</button>
<button class="danger" onclick={confirmUnfriend} disabled={!connection.online}>{t('friends.unfriend')}</button>
</div>
</Modal>
{/if}
{/if}
</div>
@@ -358,76 +279,28 @@
padding: 4px 0;
text-align: left;
}
.list {
display: flex;
flex-direction: column;
}
/* One-line rows split by hairlines, mirroring the lobby list. */
.rowwrap {
position: relative;
overflow: hidden;
}
.rowwrap + .rowwrap {
border-top: 1px solid var(--border);
}
/* Block / unfriend icon actions sit behind the friend row, exposed when it slides left. */
.acts {
position: absolute;
inset: 0 0 0 auto;
display: flex;
align-items: stretch;
}
.iconbtn {
flex: 0 0 auto;
width: 48px;
border: none;
background: var(--bg-elev);
color: var(--text);
font-size: 1.1rem;
display: flex;
align-items: center;
justify-content: center;
}
.iconbtn + .iconbtn {
border-left: 1px solid var(--border); /* the vertical divider between 🚫 and ✖️ */
}
.row {
position: relative;
.item {
display: flex;
align-items: center;
justify-content: space-between;
gap: 10px;
padding: 10px 12px;
background: var(--bg);
transform: translateX(0);
transition: transform 0.18s ease;
}
.rowwrap.revealed .row {
transform: translateX(-96px); /* 2 × 48px icon buttons */
}
.kebab {
flex: 0 0 auto;
width: 30px;
padding: 6px 0;
border: none;
background: none;
color: var(--text-muted);
font-size: 1.4rem;
line-height: 1;
}
.btns {
display: flex;
gap: 8px;
flex: 0 0 auto;
border: 1px solid var(--border);
background: var(--surface);
border-radius: var(--radius-sm);
margin-bottom: 8px;
}
.who {
flex: 1;
min-width: 0;
font-weight: 600;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.acts {
display: flex;
gap: 8px;
flex: 0 0 auto;
}
.btn {
padding: 8px 12px;
border: 1px solid var(--accent);
@@ -442,27 +315,7 @@
color: var(--text);
border-radius: var(--radius-sm);
}
.confirm-name {
margin: 0 0 12px;
font-weight: 600;
overflow-wrap: anywhere; /* a long display name wraps instead of stretching the sheet */
}
.confirm-row {
display: flex;
gap: 8px;
}
.confirm-row button {
flex: 1;
padding: 11px;
border-radius: var(--radius-sm);
border: 1px solid var(--border);
background: var(--surface);
color: var(--text);
font-weight: 600;
}
.confirm-row .danger {
background: var(--danger);
color: #fff;
border-color: var(--danger);
.ghost.danger {
color: var(--danger, #c0392b);
}
</style>