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Pavel Flegr 2026-04-08 17:53:30 +02:00
commit ef105e1cac
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web/static/app.css Normal file
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:root {
color-scheme: light;
--bg: #f4f7fb;
--panel: #ffffff;
--text: #18202a;
--muted: #667487;
--line: #d9e1ec;
--primary: #1540d1;
--primary-strong: #102ea0;
--accent: #dfe8ff;
--success: #0b7a45;
--danger: #b42318;
--shadow: 0 18px 45px rgba(21, 32, 56, 0.08);
font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
color: var(--text);
}
a {
color: inherit;
}
.shell {
width: min(1120px, calc(100% - 32px));
margin: 0 auto;
}
.site-header {
border-bottom: 1px solid rgba(217, 225, 236, 0.7);
background: rgba(255, 255, 255, 0.86);
backdrop-filter: blur(10px);
position: sticky;
top: 0;
}
.header-row {
display: flex;
align-items: center;
justify-content: space-between;
min-height: 72px;
}
.brand {
font-weight: 800;
font-size: 1.2rem;
letter-spacing: -0.03em;
text-decoration: none;
}
.nav {
display: flex;
gap: 18px;
}
.nav a {
text-decoration: none;
color: var(--muted);
}
.main-content {
padding: 48px 0 72px;
}
.hero {
display: grid;
grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
gap: 28px;
align-items: start;
}
.eyebrow {
text-transform: uppercase;
letter-spacing: 0.16em;
font-size: 0.78rem;
color: var(--primary);
font-weight: 700;
}
h1 {
font-size: clamp(2.4rem, 5vw, 4.5rem);
line-height: 0.98;
margin: 10px 0 20px;
letter-spacing: -0.05em;
max-width: 12ch;
}
.lede {
color: var(--muted);
font-size: 1.05rem;
line-height: 1.7;
max-width: 64ch;
}
.actions {
display: flex;
gap: 14px;
margin-top: 28px;
flex-wrap: wrap;
}
.button {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 13px 18px;
border-radius: 12px;
text-decoration: none;
border: 1px solid transparent;
font-weight: 700;
}
.button.primary {
background: var(--primary);
color: #fff;
}
.button.primary:hover {
background: var(--primary-strong);
}
.button.secondary {
background: var(--panel);
border-color: var(--line);
}
.card {
background: var(--panel);
border: 1px solid rgba(217, 225, 236, 0.95);
border-radius: 24px;
padding: 24px;
box-shadow: var(--shadow);
}
.panel {
background: var(--panel);
border: 1px solid rgba(217, 225, 236, 0.95);
border-radius: 24px;
padding: 28px;
box-shadow: var(--shadow);
}
.narrow {
max-width: 540px;
}
.medium {
max-width: 680px;
}
.wide {
width: 100%;
}
.stack-form {
display: grid;
gap: 16px;
}
.stack-form label {
display: grid;
gap: 8px;
font-weight: 600;
}
.stack-form input,
.stack-form select,
.search-form input {
width: 100%;
border: 1px solid var(--line);
border-radius: 12px;
padding: 13px 14px;
background: #fff;
font: inherit;
}
.flash {
padding: 14px 16px;
border-radius: 16px;
margin-bottom: 18px;
border: 1px solid var(--line);
}
.flash.success {
background: #eaf8f0;
color: var(--success);
border-color: #b7e3c8;
}
.flash.error {
background: #fff2f1;
color: var(--danger);
border-color: #f3c7c2;
}
.inline-form {
display: inline;
}
.nav-button {
border: 0;
background: transparent;
color: var(--muted);
font: inherit;
cursor: pointer;
padding: 0;
}
.muted,
.subtle,
.meta-line {
color: var(--muted);
}
.page-grid {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
gap: 24px;
}
.balance-card {
background: linear-gradient(150deg, #0e1b4f 0%, #1540d1 100%);
color: #fff;
}
.compact-balance-card {
max-width: 640px;
}
.balance-card .eyebrow,
.balance-card .meta-line {
color: rgba(255, 255, 255, 0.8);
}
.balance-value {
max-width: none;
margin: 12px 0 20px;
}
.toolbar,
.search-form,
.stats-row {
display: flex;
gap: 16px;
align-items: center;
justify-content: space-between;
flex-wrap: wrap;
}
.search-form {
min-width: min(100%, 360px);
}
.stats-row {
align-items: stretch;
}
.stat-box {
flex: 1 1 180px;
}
.stat-box span {
display: block;
color: var(--muted);
margin-bottom: 8px;
}
.stat-box strong,
.stats-grid dd {
font-size: 2rem;
font-weight: 800;
letter-spacing: -0.04em;
}
.stats-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 12px;
margin: 0 0 20px;
}
.stats-grid dt {
color: var(--muted);
margin-bottom: 6px;
}
.stats-grid dd {
margin: 0;
}
.table {
width: 100%;
border-collapse: collapse;
}
.table-wrap {
width: 100%;
overflow-x: auto;
}
.transaction-table {
min-width: 980px;
}
.transaction-table th,
.transaction-table td {
white-space: nowrap;
}
.transaction-table th:last-child,
.transaction-table td:last-child {
white-space: normal;
min-width: 220px;
}
.transaction-table th:first-child,
.transaction-table td:first-child {
min-width: 140px;
}
.transaction-table th:nth-child(4),
.transaction-table td:nth-child(4),
.transaction-table th:nth-child(5),
.transaction-table td:nth-child(5) {
min-width: 130px;
}
.transaction-table th:nth-child(6),
.transaction-table td:nth-child(6) {
min-width: 120px;
text-align: right;
}
.table th,
.table td {
text-align: left;
padding: 12px 10px;
border-bottom: 1px solid var(--line);
vertical-align: top;
}
.table th {
color: var(--muted);
font-size: 0.9rem;
}
.leaderboard-note {
color: var(--muted);
font-weight: 600;
}
.rank-pill {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 36px;
height: 36px;
border-radius: 999px;
background: var(--accent);
color: var(--primary-strong);
font-weight: 800;
}
.leaderboard-table td:last-child {
font-weight: 700;
}
.stack-section {
display: grid;
gap: 24px;
}
.button.danger {
background: var(--danger);
color: #fff;
}
.stats-card h2 {
margin-top: 0;
margin-bottom: 14px;
font-size: 1.1rem;
}
.clean-list {
list-style: none;
padding: 0;
margin: 0;
display: grid;
gap: 12px;
}
.clean-list li {
color: var(--muted);
padding-bottom: 12px;
border-bottom: 1px solid var(--line);
}
.clean-list li:last-child {
border-bottom: 0;
padding-bottom: 0;
}
@media (max-width: 800px) {
.hero {
grid-template-columns: 1fr;
}
.page-grid {
grid-template-columns: 1fr;
}
.header-row {
flex-direction: column;
justify-content: center;
gap: 10px;
padding: 12px 0;
}
.nav {
flex-wrap: wrap;
justify-content: center;
}
}

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{{ define "layouts/base" }}
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{ .Title }}</title>
<link rel="stylesheet" href="/static/app.css">
</head>
<body>
<header class="site-header">
<div class="shell header-row">
<a class="brand" href="/">Superbanka</a>
<nav class="nav">
{{ if .Admin }}
<a href="/admin">Dashboard</a>
<a href="/leaderboard">Leaderboard</a>
<a href="/admin/users">Users</a>
<a href="/admin/audit-logs">Audit logs</a>
<form method="post" action="/admin/logout" class="inline-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<button class="nav-button" type="submit">Admin logout</button>
</form>
{{ else if .User }}
<a href="/app">Dashboard</a>
<a href="/leaderboard">Leaderboard</a>
<a href="/app/transfer">Transfer</a>
<a href="/app/transactions">Transactions</a>
<form method="post" action="/logout" class="inline-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<button class="nav-button" type="submit">Logout</button>
</form>
{{ else }}
<a href="/leaderboard">Leaderboard</a>
<a href="/register">Register</a>
<a href="/login">Login</a>
<a href="/admin/login">Admin</a>
{{ end }}
</nav>
</div>
</header>
<main class="shell main-content">
{{ if .Flash }}
<div class="flash success">{{ .Flash }}</div>
{{ end }}
{{ if .Error }}
<div class="flash error">{{ .Error }}</div>
{{ end }}
{{ if eq .Page "home" }}
{{ template "home" . }}
{{ else if eq .Page "register" }}
{{ template "register" . }}
{{ else if eq .Page "login" }}
{{ template "login" . }}
{{ else if eq .Page "admin_login" }}
{{ template "admin_login" . }}
{{ else if eq .Page "dashboard" }}
{{ template "dashboard" . }}
{{ else if eq .Page "leaderboard" }}
{{ template "leaderboard" . }}
{{ else if eq .Page "transfer" }}
{{ template "transfer" . }}
{{ else if eq .Page "transactions" }}
{{ template "transactions" . }}
{{ else if eq .Page "admin_dashboard" }}
{{ template "admin_dashboard" . }}
{{ else if eq .Page "admin_users" }}
{{ template "admin_users" . }}
{{ else if eq .Page "admin_user_detail" }}
{{ template "admin_user_detail" . }}
{{ else if eq .Page "admin_audit_logs" }}
{{ template "admin_audit_logs" . }}
{{ end }}
</main>
</body>
</html>
{{ end }}

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{{ define "home" }}
{{ $stats := .Data }}
<section class="hero">
<div>
<p class="eyebrow">Fast SSR banking demo</p>
<h1>Transfer money by account number with real ledger rules.</h1>
<p class="lede">Each new user receives a generated CZK account number and a 10 000,00 CZK signup bonus. Admins use a separate login and every privileged action is audited.</p>
<div class="actions">
<a class="button primary" href="/register">Create account</a>
<a class="button secondary" href="/login">User login</a>
</div>
</div>
<aside class="card stats-card">
<h2>System snapshot</h2>
<dl class="stats-grid">
<div>
<dt>Registered users</dt>
<dd>{{ $stats.UserCount }}</dd>
</div>
<div>
<dt>Transactions</dt>
<dd>{{ $stats.TransactionCount }}</dd>
</div>
</dl>
<ul class="clean-list">
<li>Internal transfers by account number</li>
<li>Separate admin authentication</li>
<li>Signup bonus on registration</li>
<li>Admin freeze, unfreeze, and adjustments</li>
</ul>
</aside>
</section>
{{ end }}
{{ define "register" }}
<section class="panel narrow">
<h1>Create user account</h1>
<p class="muted">Every signup gets a new account number and 10 000,00 CZK.</p>
<form method="post" action="/register" class="stack-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<label>Email<input type="email" name="email" required></label>
<label>Username<input type="text" name="username" required></label>
<label>Password<input type="password" name="password" minlength="8" required></label>
<button class="button primary" type="submit">Create account</button>
</form>
</section>
{{ end }}
{{ define "login" }}
<section class="panel narrow">
<h1>User login</h1>
<form method="post" action="/login" class="stack-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<label>Email<input type="email" name="email" required></label>
<label>Password<input type="password" name="password" required></label>
<button class="button primary" type="submit">Sign in</button>
</form>
</section>
{{ end }}
{{ define "admin_login" }}
<section class="panel narrow">
<h1>Admin login</h1>
<p class="muted">Separate authentication from customer accounts.</p>
<form method="post" action="/admin/login" class="stack-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<label>Email<input type="email" name="email" required></label>
<label>Password<input type="password" name="password" required></label>
<button class="button primary" type="submit">Admin sign in</button>
</form>
</section>
{{ end }}
{{ define "dashboard" }}
{{ $page := .Data }}
<section class="stack-section">
<div class="card balance-card compact-balance-card">
<p class="eyebrow">Current balance</p>
<h1 class="balance-value">{{ money $page.User.BalanceMinor }}</h1>
<p class="meta-line">Account number: <strong>{{ $page.User.AccountNumber }}</strong></p>
<p class="meta-line">User: {{ $page.User.Username }}</p>
<div class="actions">
<a class="button primary" href="/app/transfer">Send money</a>
<a class="button secondary" href="/app/transactions">Full history</a>
</div>
</div>
<div class="card">
<h2>Recent activity</h2>
{{ template "transaction_table" $page.Transactions }}
</div>
</section>
{{ end }}
{{ define "leaderboard" }}
{{ $page := .Data }}
<section class="panel wide">
<div class="toolbar">
<div>
<h1>Leaderboard</h1>
<p class="muted">All active users ranked by current account balance.</p>
</div>
<div class="leaderboard-note">Ordered highest to lowest balance.</div>
</div>
<table class="table leaderboard-table">
<thead><tr><th>#</th><th>User</th><th>Account</th><th>Balance</th></tr></thead>
<tbody>
{{ range $page.Entries }}
<tr>
<td><span class="rank-pill">{{ .Rank }}</span></td>
<td>{{ .Username }}</td>
<td>{{ .AccountNumber }}</td>
<td>{{ money .BalanceMinor }}</td>
</tr>
{{ else }}
<tr><td colspan="4" class="muted">No users available yet.</td></tr>
{{ end }}
</tbody>
</table>
</section>
{{ end }}
{{ define "transfer" }}
<section class="panel medium">
<h1>Send money</h1>
<form method="post" action="/app/transfer" class="stack-form">
<input type="hidden" name="csrf_token" value="{{ .CSRFToken }}">
<label>Destination account number<input type="text" name="account_number" inputmode="numeric" required></label>
<label>Amount in CZK<input type="text" name="amount" placeholder="250,00" required></label>
<label>Reference note<input type="text" name="description" maxlength="120"></label>
<button class="button primary" type="submit">Send transfer</button>
</form>
</section>
{{ end }}
{{ define "transactions" }}
{{ $page := .Data }}
<section class="panel wide">
<h1>Transaction history</h1>
{{ template "transaction_table" $page.Transactions }}
</section>
{{ end }}
{{ define "admin_dashboard" }}
{{ $page := .Data }}
<section class="stack-section">
<div class="stats-row">
<article class="card stat-box"><span>Users</span><strong>{{ $page.Dashboard.UserCount }}</strong></article>
<article class="card stat-box"><span>Accounts</span><strong>{{ $page.Dashboard.AccountCount }}</strong></article>
<article class="card stat-box"><span>Transactions</span><strong>{{ $page.Dashboard.TransactionCount }}</strong></article>
<article class="card stat-box"><span>Frozen users</span><strong>{{ $page.Dashboard.FrozenUserCount }}</strong></article>
</div>
<div class="card">
<h2>Recent transactions</h2>
{{ template "transaction_table" $page.Dashboard.RecentTransactions }}
</div>
<div class="card">
<h2>Recent audit activity</h2>
<div class="table-wrap">
<table class="table">
<thead><tr><th>When</th><th>Admin</th><th>Action</th><th>Target</th></tr></thead>
<tbody>
{{ range $page.Dashboard.RecentAuditActivity }}
<tr><td>{{ dt .CreatedAt }}</td><td>{{ .AdminEmail }}</td><td>{{ .Action }}</td><td>{{ .TargetType }} / {{ .TargetID }}</td></tr>
{{ else }}
<tr><td colspan="4" class="muted">No audit activity yet.</td></tr>
{{ end }}
</tbody>
</table>
</div>
</div>
</section>
{{ end }}
{{ define "admin_users" }}
{{ $page := .Data }}
<section class="panel wide">
<div class="toolbar">
<div>
<h1>Users</h1>
<p class="muted">Search by email, username, or account number.</p>
</div>
<form method="get" action="/admin/users" class="search-form">
<input type="text" name="q" value="{{ $page.Search }}" placeholder="Search users">
<button class="button secondary" type="submit">Search</button>
</form>
</div>
<div class="table-wrap">
<table class="table">
<thead><tr><th>User</th><th>Account</th><th>Status</th><th>Balance</th><th>Created</th></tr></thead>
<tbody>
{{ range $page.Users }}
<tr>
<td><a href="/admin/users/{{ .ID }}">{{ .Username }}</a><div class="subtle">{{ .Email }}</div></td>
<td>{{ .AccountNumber }}</td>
<td>{{ .Status }}</td>
<td>{{ money .BalanceMinor }}</td>
<td>{{ dt .CreatedAt }}</td>
</tr>
{{ else }}
<tr><td colspan="5" class="muted">No users found.</td></tr>
{{ end }}
</tbody>
</table>
</div>
</section>
{{ end }}
{{ define "admin_user_detail" }}
{{ $page := .Data }}
<section class="stack-section">
<div class="page-grid">
<div class="card">
<h1>{{ $page.User.Username }}</h1>
<p class="meta-line">{{ $page.User.Email }}</p>
<p class="meta-line">Account number: <strong>{{ $page.User.AccountNumber }}</strong></p>
<p class="meta-line">Balance: <strong>{{ money $page.User.BalanceMinor }}</strong></p>
<p class="meta-line">Status: <strong>{{ $page.User.Status }}</strong></p>
<div class="actions">
{{ if eq $page.User.Status "active" }}
<form method="post" action="/admin/users/{{ $page.User.ID }}/freeze" class="inline-form">
<input type="hidden" name="csrf_token" value="{{ $.CSRFToken }}">
<button class="button danger" type="submit">Freeze user</button>
</form>
{{ else }}
<form method="post" action="/admin/users/{{ $page.User.ID }}/unfreeze" class="inline-form">
<input type="hidden" name="csrf_token" value="{{ $.CSRFToken }}">
<button class="button secondary" type="submit">Unfreeze user</button>
</form>
{{ end }}
</div>
</div>
<div class="card">
<h2>Adjust balance</h2>
<form method="post" action="/admin/accounts/{{ $page.User.AccountID }}/adjust" class="stack-form">
<input type="hidden" name="csrf_token" value="{{ $.CSRFToken }}">
<label>Direction
<select name="direction">
<option value="credit">Credit</option>
<option value="debit">Debit</option>
</select>
</label>
<label>Amount<input type="text" name="amount" placeholder="500,00" required></label>
<label>Reason<input type="text" name="reason" maxlength="150" required></label>
<button class="button primary" type="submit">Apply adjustment</button>
</form>
</div>
</div>
<div class="card">
<h2>Recent transactions</h2>
{{ template "transaction_table" $page.Transactions }}
</div>
</section>
{{ end }}
{{ define "admin_audit_logs" }}
<section class="panel wide">
<h1>Audit logs</h1>
<div class="table-wrap">
<table class="table">
<thead><tr><th>When</th><th>Admin</th><th>Action</th><th>Target</th><th>Metadata</th></tr></thead>
<tbody>
{{ range .Data }}
<tr>
<td>{{ dt .CreatedAt }}</td>
<td>{{ .AdminEmail }}</td>
<td>{{ .Action }}</td>
<td>{{ .TargetType }} / {{ .TargetID }}</td>
<td><code>{{ .Metadata }}</code></td>
</tr>
{{ else }}
<tr><td colspan="5" class="muted">No audit logs yet.</td></tr>
{{ end }}
</tbody>
</table>
</div>
</section>
{{ end }}
{{ define "transaction_table" }}
<div class="table-wrap">
<table class="table transaction-table">
<thead><tr><th>When</th><th>Type</th><th>Direction</th><th>Sender</th><th>Recipient</th><th>Amount</th><th>Description</th></tr></thead>
<tbody>
{{ range . }}
<tr>
<td>{{ dt .CreatedAt }}</td>
<td>{{ .Type }}</td>
<td>{{ .Direction }}</td>
<td>{{ if .SenderAccount }}{{ .SenderAccount }}{{ else }}-{{ end }}</td>
<td>{{ if .RecipientAccount }}{{ .RecipientAccount }}{{ else }}-{{ end }}</td>
<td>{{ money .AmountMinor }}</td>
<td>{{ .Description }}</td>
</tr>
{{ else }}
<tr><td colspan="7" class="muted">No transactions yet.</td></tr>
{{ end }}
</tbody>
</table>
</div>
{{ end }}