:root {
    --bg: #f3f5f7;
    --surface: #ffffff;
    --surface-alt: #f8f9fa;
    --text: #212529;
    --muted: #6c757d;
    --border: #dee2e6;
    --primary: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary: #6c757d;
    --secondary-hover: #5c636a;
    --success: #198754;
    --success-hover: #157347;
    --danger: #dc3545;
    --danger-hover: #bb2d3b;
    --warning-bg: #fff3cd;
    --warning-border: #ffecb5;
    --radius: 10px;
    --shadow: 0 4px 18px rgba(0,0,0,.07);
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body {
    margin: 0;
    padding: 24px;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.45;
}
body.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
}
.container,
.upload-container,
.login-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px;
    background: var(--surface);
    border: 1px solid rgba(0,0,0,.04);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
body.auth-page .container,
body.auth-page .login-container {
    max-width: 560px;
}
.logo {
    text-align: center;
    margin-bottom: 22px;
}
.logo img {
    display: inline-block;
    max-width: 520px;
    width: min(100%, 520px);
    height: auto;
}
h1, h2, h3 { color: var(--text); margin-top: 0; }
h1 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 0; }
h2 { font-size: 1.35rem; }
.header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    flex-wrap: wrap;
    padding-bottom: 18px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.wk-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.wk-nav a,
.nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 13px;
    border-radius: 7px;
    background: var(--secondary);
    color: #fff;
    text-decoration: none;
    font-size: .92rem;
    transition: background .15s ease, transform .15s ease;
}
.wk-nav a:hover,
.nav-links a:hover { background: var(--secondary-hover); }
.wk-nav a.active { background: var(--primary); }
.wk-nav a.logout { background: #495057; }
form { margin: 0; }
.form-group,
.field { margin-bottom: 16px; }
label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #343a40;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="file"],
select,
textarea {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ced4da;
    border-radius: 7px;
    background: #fff;
    color: var(--text);
    font: inherit;
    transition: border-color .15s ease, box-shadow .15s ease;
}
textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #86b7fe;
    box-shadow: 0 0 0 3px rgba(13,110,253,.14);
}
input:disabled, select:disabled { background: #e9ecef; color: #6c757d; }
button,
.button,
input[type="submit"],
.download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    padding: 9px 15px;
    border: 0;
    border-radius: 7px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s ease, opacity .15s ease;
}
button:hover,
.button:hover,
input[type="submit"]:hover,
.download-link:hover { background: var(--primary-hover); }
button:disabled,
input[type="submit"]:disabled { opacity: .55; cursor: not-allowed; }
.button.secondary { background: var(--secondary); }
.button.secondary:hover { background: var(--secondary-hover); }
.button.success,
.button.activate { background: var(--success); }
.button.success:hover,
.button.activate:hover { background: var(--success-hover); }
.button.danger,
.button.deactivate { background: var(--danger); }
.button.danger:hover,
.button.deactivate:hover { background: var(--danger-hover); }
.update { background: var(--primary); }
.section,
.card,
.patch {
    padding: 18px;
    margin-bottom: 18px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
}
.patch { background: #fbfcfd; }
.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.help,
.meta { color: var(--muted); font-size: .9rem; margin-top: 5px; }
.error,
.success,
.message,
.msg,
.empty-info,
.no-files {
    padding: 12px 14px;
    margin-bottom: 18px;
    border-radius: 7px;
    border: 1px solid transparent;
}
.error,
.msg.err { color: #842029; background: #f8d7da; border-color: #f5c2c7; }
.success,
.message,
.msg.ok { color: #0f5132; background: #d1e7dd; border-color: #badbcc; }
.empty-info { color: #664d03; background: var(--warning-bg); border-color: var(--warning-border); }
.no-files { text-align: center; color: var(--muted); background: var(--surface-alt); border-color: var(--border); }
.required::after { content: " *"; color: var(--danger); }
.links,
.login-link { margin-top: 18px; text-align: center; }
.links a,
.login-link a { color: var(--primary); text-decoration: none; }
.links a:hover,
.login-link a:hover { text-decoration: underline; }
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
th, td {
    padding: 11px 12px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border);
}
th { background: var(--surface-alt); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.patch-form { min-width: 240px; max-width: 340px; }
.patch-checkbox { display: block; margin: 0 0 7px; font-size: .9rem; font-weight: 400; }
.patch-checkbox input { width: auto; margin-right: 6px; }
code { padding: 2px 5px; border-radius: 4px; background: #f1f3f5; }
.result-container { max-width: 760px; text-align: center; }
.result-status { margin: 8px 0 20px; font-size: 1.15rem; font-weight: 700; }
.result-status.erfolg { color: var(--success); }
.result-status.fehler { color: var(--danger); }
.downloads { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.back-button { margin-top: 22px; }
.back-button a { background: var(--secondary); }
@media (max-width: 900px) {
    body { padding: 14px; }
    .container, .upload-container, .login-container { padding: 20px; }
    .grid { grid-template-columns: 1fr; }
    .header { align-items: flex-start; }
    .wk-nav { width: 100%; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
    .patch-form { white-space: normal; }
}
@media (max-width: 560px) {
    body { padding: 8px; }
    .container, .upload-container, .login-container { padding: 16px; border-radius: 8px; }
    .wk-nav a { flex: 1 1 auto; justify-content: center; }
    .downloads { flex-direction: column; }
    .downloads a { width: 100%; }
}

.hidden { display: none !important; }

/* Einheitliche kompakte Buttongroesse wie Navigation */
.button,
button.button,
.download-link {
    min-height: 38px;
    padding: 8px 13px;
    border-radius: 7px;
    font-size: .92rem;
    line-height: 1.45;
    font-weight: 400;
}
.actions form {
    display: inline-flex;
}
.actions .button {
    margin: 0;
}