feat: comprehensive UI/UX and feature improvements

- Dark mode: CSS custom properties (global.css) + toggle button, persisted in localStorage
- i18n: German/English language switcher (lang/de.php, lang/en.php, includes/I18n.php)
- Mobile-responsive admin layout: hamburger menu, sidebar overlay (global.js + global.css)
- Shared admin navigation include (includes/admin_nav.php) used across all admin pages
- Toast notifications system globally available via global.js
- Voucher templates/profiles: CRUD UI at admin/templates.php with voucher_templates DB table
- Bulk voucher creation: create 1-20 vouchers at once with multi-print layout on index.php
- Configurable voucher defaults: expire time, device limit, max limit in admin settings
- Template quick-select on voucher form: auto-fills max_uses and expire_minutes
- Password reset flow: forgot_password.php + reset_password.php with token-based reset
- Audit log UI: admin/audit_log.php with filter, pagination, audit_log DB table
- Audit logging on login, user create/edit/delete, site create/edit/delete
- Admin pages updated: index, vouchers, users, sites all use admin_nav.php + dark mode + i18n
- Voucher admin: live search input added alongside existing status filter + pagination
- Users admin: password-reset-link button per user row (when SMTP enabled)
- Login page: i18n, dark mode, language switcher, forgot password link

https://claude.ai/code/session_01YN6Bcm1VSi8mpDeyKpyrdJ
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Claude 2026-05-08 17:59:17 +00:00
parent bf3e55a967
commit a1021a0f84
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20 changed files with 5281 additions and 5471 deletions

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<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
require_once __DIR__ . '/config.php';
require_once __DIR__ . '/includes/Database.php';
require_once __DIR__ . '/includes/Auth.php';
require_once __DIR__ . '/includes/I18n.php';
$auth = new Auth();
if ($auth->isLoggedIn()) { header('Location: index.php'); exit; }
I18n::init();
$db = Database::getInstance();
$appTitle = $db->getSetting('app_title', 'UniFi Voucher System');
$logoUrl = $db->getSetting('logo_url', '');
$token = trim($_GET['token'] ?? '');
$error = '';
$success = '';
$valid = false;
$tokenRow = null;
if (empty($token)) {
$error = __('reset_invalid');
} else {
$tokenRow = $db->fetchOne(
"SELECT prt.*, u.email, u.name FROM password_reset_tokens prt
JOIN users u ON prt.user_id = u.id
WHERE prt.token = ? AND prt.used = 0 AND prt.expires_at > NOW()",
[$token]
);
if (!$tokenRow) {
$error = __('reset_invalid');
} else {
$valid = true;
}
}
if ($valid && $_SERVER['REQUEST_METHOD'] === 'POST') {
$newPw = $_POST['new_password'] ?? '';
$confirm= $_POST['confirm_password'] ?? '';
if (strlen($newPw) < 8) {
$error = __('settings_pw_minlength');
$valid = true; // keep form visible
} elseif ($newPw !== $confirm) {
$error = 'Passwörter stimmen nicht überein';
$valid = true;
} else {
$hash = password_hash($newPw, PASSWORD_DEFAULT);
$db->execute("UPDATE users SET password_hash = ? WHERE id = ?", [$hash, $tokenRow['user_id']]);
$db->execute("UPDATE password_reset_tokens SET used = 1 WHERE token = ?", [$token]);
$db->execute(
"INSERT INTO audit_log (user_id, action, entity_type, entity_id, details, ip_address) VALUES (?, 'password_reset', 'user', ?, 'Passwort erfolgreich geändert', ?)",
[$tokenRow['user_id'], $tokenRow['user_id'], $_SERVER['REMOTE_ADDR'] ?? '']
);
$success = __('reset_done');
$valid = false;
}
}
?>
<!DOCTYPE html>
<html lang="<?= I18n::getLanguage() ?>">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title><?= __('reset_new_pw') ?> <?= htmlspecialchars($appTitle) ?></title>
<link rel="stylesheet" href="assets/global.css">
<script>(function(){ const t=localStorage.getItem('theme')||'light'; document.documentElement.setAttribute('data-theme',t); })();</script>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.box { background: var(--bg-card); border-radius: 20px; box-shadow: 0 20px 60px var(--shadow-lg); max-width: 420px; width: 100%; padding: 45px 40px; text-align: center; }
.logo { max-width: 180px; height: auto; margin-bottom: 25px; }
h1 { color: var(--text-primary); font-size: 24px; margin-bottom: 8px; }
.subtitle { color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; text-align: left; }
label { display: block; margin-bottom: 7px; color: var(--text-secondary); font-weight: 500; font-size: 14px; }
input[type="password"] { width: 100%; padding: 13px; border: 2px solid var(--border-color); border-radius: 10px; font-size: 15px; background: var(--bg-input); color: var(--text-primary); transition: border-color 0.2s; }
input:focus { outline: none; border-color: var(--accent); }
.btn { width: 100%; padding: 14px; background: var(--accent); color: white; border: none; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; margin-top: 8px; }
.btn:hover { background: var(--accent-hover); transform: translateY(-2px); }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; text-align: left; }
.alert-error { background: #fee; border: 1px solid #fcc; color: #c33; }
.alert-success { background: #efe; border: 1px solid #cfc; color: #3c3; }
.back-link { display: block; margin-top: 22px; color: var(--accent); text-decoration: none; font-size: 14px; }
.back-link:hover { text-decoration: underline; }
.pw-strength { height: 4px; border-radius: 2px; margin-top: 6px; transition: all 0.3s; background: var(--border-color); }
.pw-strength.weak { background: var(--danger); width: 30%; }
.pw-strength.medium { background: var(--warning); width: 65%; }
.pw-strength.strong { background: var(--success); width: 100%; }
</style>
</head>
<body>
<div class="box">
<?php if ($logoUrl): ?>
<img src="<?= htmlspecialchars($logoUrl) ?>" alt="Logo" class="logo">
<?php else: ?>
<div style="font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:10px;"><?= htmlspecialchars($appTitle) ?></div>
<?php endif; ?>
<h1><?= __('reset_new_pw') ?></h1>
<?php if ($error): ?>
<div class="alert alert-error"><?= htmlspecialchars($error) ?></div>
<?php endif; ?>
<?php if ($success): ?>
<div class="alert alert-success"><?= htmlspecialchars($success) ?></div>
<?php endif; ?>
<?php if ($valid): ?>
<p class="subtitle">Für <strong><?= htmlspecialchars($tokenRow['email']) ?></strong></p>
<form method="post" action="reset_password.php?token=<?= htmlspecialchars($token) ?>">
<div class="form-group">
<label><?= __('reset_new_pw_label') ?></label>
<input type="password" name="new_password" id="pw" required minlength="8" oninput="checkPw(this.value)">
<div class="pw-strength" id="pwBar"></div>
</div>
<div class="form-group">
<label><?= __('reset_confirm_label') ?></label>
<input type="password" name="confirm_password" required>
</div>
<button type="submit" class="btn"><?= __('reset_set_btn') ?></button>
</form>
<?php elseif ($success): ?>
<a href="login.php" class="btn" style="display:block;text-decoration:none;text-align:center;"><?= __('btn_login') ?></a>
<?php endif; ?>
<a href="login.php" class="back-link"><?= __('reset_back_login') ?></a>
</div>
<script>
function checkPw(val) {
const bar = document.getElementById('pwBar');
if (!bar) return;
if (val.length >= 12 && /[A-Z]/.test(val) && /[0-9]/.test(val)) {
bar.className = 'pw-strength strong';
} else if (val.length >= 8) {
bar.className = 'pw-strength medium';
} else if (val.length > 0) {
bar.className = 'pw-strength weak';
} else {
bar.className = 'pw-strength';
}
}
</script>
</body>
</html>