/* Einreichung von Rahmenverträgen · Prototyp
   Tokens nach prometheus/config/design-tokens.yaml + assets/styles/app.css.
   Steril: Weiß/Grau, Primärfarbe nur für die eine Hauptaktion je Ansicht. */
:root {
  --primary: #143cdc; --primary-dark: #12268f; --primary-light: #489ff6;
  --ring: #3b82f6; /* brand-ring Fallback blue-500, 4.83:1 – nie primary-light */
  --white: #fff;
  --gray-50: #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb; --gray-300: #d1d5db;
  --gray-400: #9ca3af; --gray-500: #6b7280; --gray-600: #4b5563; --gray-700: #374151;
  --gray-800: #1f2937; --gray-900: #111827;
  --red-600: #dc2626; --red-700: #b91c1c;
  --font-sans: "IBM Plex Sans", "Open Sans", ui-sans-serif, system-ui, sans-serif;
  --font-display: Nunito, "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / .05);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.5; color: var(--gray-900); background: var(--gray-50); -webkit-font-smoothing: antialiased; }
a { color: var(--gray-900); text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 8px; top: -64px; z-index: 50; padding: 8px 16px; background: var(--primary); color: #fff; border-radius: 6px; text-decoration: none; }
.skip-link:focus { top: 8px; }

/* App-Shell */
.app-header { position: fixed; inset: 0 0 auto 0; height: 60px; z-index: 40; background: #fff; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; padding: 0 16px; }
.app-header__left { display: flex; align-items: center; gap: 8px; }
.wordmark { font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--gray-900); text-decoration: none; letter-spacing: -.01em; }
.menu-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 0; background: transparent; border-radius: 6px; color: var(--gray-700); cursor: pointer; }
.menu-toggle:hover { background: var(--gray-100); }
.user-nav { text-align: right; line-height: 1.25; }
.user-nav__name { font-weight: 500; font-size: 14px; color: var(--gray-900); }
.user-nav__org { font-size: 12px; color: var(--gray-600); }
.sidebar { position: fixed; top: 60px; bottom: 0; left: 0; width: 256px; z-index: 20; background: #fff; border-right: 1px solid var(--gray-200); padding: 16px 12px; transform: translateX(-100%); transition: transform .15s; overflow-y: auto; }
.sidebar.is-open { transform: none; }
.sidebar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 8px; color: var(--gray-600); text-decoration: none; font-weight: 500; }
.nav-item[aria-current="page"] { background: var(--gray-100); color: var(--gray-900); }
a.nav-item:hover { background: var(--gray-100); }
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
main { padding: 84px 16px 112px; min-height: 100vh; outline: none; }
.container { max-width: 1280px; }
@media (min-width: 768px) {
  .menu-toggle { display: none; }
  .sidebar { transform: none; }
  main { margin-left: 256px; padding: 92px 32px 112px; }
}

/* Typo */
h1, .h1 { font-family: var(--font-display); font-weight: 700; font-size: 30px; line-height: 1.2; margin: 0; outline: none; }
h2 { font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 1.25; margin: 0 0 16px; }
h3 { font-size: 18px; font-weight: 700; margin: 0 0 16px; }
h4 { font-size: 16px; font-weight: 500; margin: 0 0 8px; }
p { margin: 0 0 8px; }
.muted { color: var(--gray-600); }
.small { font-size: 14px; }
.xs { font-size: 12px; }
.mono { font-variant-numeric: tabular-nums; }
.stack > * + * { margin-top: 24px; }
.stack-sm > * + * { margin-top: 8px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.between { justify-content: space-between; }

/* Kopf */
.page-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.section-headline { display: flex; align-items: center; gap: 12px; }
.section-headline svg { width: 28px; height: 28px; color: var(--gray-500); }
.back-link { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; color: var(--gray-600); text-decoration: none; margin-bottom: 8px; }
.back-link:hover { color: var(--gray-900); text-decoration: underline; }
.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px 24px; margin: 16px 0 0; }
.meta dt { font-size: 12px; color: var(--gray-600); }
.meta dd { margin: 0; font-weight: 500; }

/* Card */
.card { background: #fff; border: 1px solid var(--gray-100); border-radius: 8px; padding: 24px; box-shadow: var(--shadow-xs); }
.card + .card { margin-top: 24px; }
.card__title { font-size: 18px; font-weight: 700; margin: 0 0 16px; font-family: var(--font-sans); }
.card--flat { box-shadow: none; border-color: var(--gray-200); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 16px; border-radius: 6px; font: inherit; font-size: 16px; font-weight: 500; cursor: pointer; text-decoration: none; border: 1px solid transparent; white-space: nowrap; }
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); }
.btn--secondary { background: #fff; color: var(--gray-900); border-color: var(--gray-300); }
.btn--secondary:hover { background: var(--gray-100); }
.btn--danger { background: #fff; color: var(--red-700); border-color: var(--red-700); }
.btn--danger:hover { background: var(--gray-50); }
.btn--ghost { background: transparent; color: var(--gray-700); padding: 8px; min-height: 32px; }
.btn--ghost:hover { background: var(--gray-100); color: var(--gray-900); }
.btn--sm { min-height: 32px; padding: 4px 12px; font-size: 14px; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--gray-900); text-decoration: underline; cursor: pointer; }

/* Status-Chip: neutral, Text trägt die Bedeutung */
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 500; color: var(--gray-700); background: var(--gray-100); white-space: nowrap; }
.chip--strong { color: var(--gray-900); background: #fff; border: 1px solid var(--gray-300); }

/* Tabellen */
.table-wrap { overflow-x: auto; border: 1px solid var(--gray-200); border-radius: 8px; background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .02em; color: var(--gray-600); background: var(--gray-50); padding: 12px 16px; border-bottom: 1px solid var(--gray-200); white-space: nowrap; }
td { padding: 12px 16px; border-bottom: 1px solid var(--gray-100); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tfoot td { font-weight: 700; border-top: 1px solid var(--gray-200); }

/* Formulare */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 16px 24px; }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .span-2 { grid-column: span 2; } }
.field label, .field .label, legend.label { display: block; font-weight: 500; margin-bottom: 8px; color: var(--gray-900); }
.req { color: var(--gray-600); font-weight: 400; }
.input, .select, .textarea { display: block; width: 100%; font: inherit; font-size: 16px; color: var(--gray-900); background: var(--gray-50); border: 1px solid var(--gray-300); border-radius: 6px; padding: 8px 12px; min-height: 42px; }
.input::placeholder, .textarea::placeholder { color: var(--gray-400); }
.input:focus, .select:focus, .textarea:focus { outline: 2px solid var(--ring); outline-offset: 0; border-color: var(--ring); background: #fff; }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--red-600); }
.input[readonly] { background: var(--gray-100); color: var(--gray-700); }
.textarea { min-height: 96px; resize: vertical; }
.field-error { margin: 4px 0 0; font-size: 14px; color: var(--red-700); display: flex; gap: 4px; align-items: flex-start; }
.field-error::before { content: "!"; display: inline-flex; width: 16px; height: 16px; flex-shrink: 0; border-radius: 50%; border: 1.5px solid currentColor; font-size: 11px; font-weight: 700; align-items: center; justify-content: center; margin-top: 2px; }
.help { margin: 4px 0 0; font-size: 14px; color: var(--gray-600); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.check { display: flex; gap: 8px; align-items: flex-start; padding: 4px 0; }
.check input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--gray-700); flex-shrink: 0; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0 16px; }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.group-title { font-size: 16px; font-weight: 700; margin: 0 0 16px; padding-top: 8px; }
.group + .group { border-top: 1px solid var(--gray-100); margin-top: 24px; padding-top: 16px; }

/* Wizard */
.wz-steps ol { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 16px; font-weight: 500; font-size: 14px; }
.wz-steps li { display: flex; align-items: center; gap: 8px; color: var(--gray-600); }
.wz-steps li + li::before { content: ""; width: 24px; height: 1px; background: var(--gray-300); margin-right: 8px; }
.wz-steps .num { display: inline-flex; width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid currentColor; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.wz-steps [aria-current="step"] { color: var(--gray-900); font-weight: 700; }
.wz-steps [aria-current="step"] .num { background: var(--gray-900); border-color: var(--gray-900); color: #fff; }
.wz-steps a { display: inline-flex; align-items: center; gap: 8px; color: var(--gray-700); text-decoration: none; border-radius: 6px; padding: 2px 4px; }
.wz-steps a:hover .lbl { text-decoration: underline; }
.wz-steps .done .num { background: var(--gray-200); border-color: var(--gray-200); color: var(--gray-800); }
.wz-steps .lbl { display: none; }
.wz-steps [aria-current="step"] .lbl { display: inline; }
@media (min-width: 640px) { .wz-steps .lbl { display: inline; } }
.wz-layout { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
@media (min-width: 1024px) { .wz-layout { grid-template-columns: minmax(0, 1fr) 340px; } .wz-aside { position: sticky; top: 84px; } }
.wz-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--gray-200); }
.wz-actions .right { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.pv-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14px; }
.pv-list li { display: flex; gap: 8px; align-items: flex-start; }
.pv-list li::before { content: "–"; color: var(--gray-500); }
.pv-ok { font-size: 14px; display: flex; gap: 8px; }

/* Banner (inline-banner, neutral) */
.banner { display: flex; gap: 12px; align-items: flex-start; padding: 16px; border: 1px solid var(--gray-200); border-radius: 8px; background: #fff; }
.banner--muted { background: var(--gray-50); }
.banner--error { border-color: var(--red-600); }
.banner svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; color: var(--gray-600); }
.banner--error svg { color: var(--red-700); }
.banner p:last-child, .banner ul:last-child { margin-bottom: 0; }
.banner ul { margin: 4px 0 0; padding-left: 20px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--gray-200); margin: 24px 0; overflow-x: auto; }
.tabs a { padding: 10px 12px; text-decoration: none; color: var(--gray-600); font-weight: 500; white-space: nowrap; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--gray-900); }
.tabs a[aria-current="page"] { color: var(--gray-900); border-bottom-color: var(--gray-900); }
.count { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 9999px; background: var(--gray-100); font-size: 12px; text-align: center; margin-left: 4px; color: var(--gray-700); }

/* Page actions (fix unten) */
.page-actions { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; background: var(--gray-50); border-top: 1px solid var(--gray-200); padding: 16px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
@media (min-width: 768px) { .page-actions { left: 256px; padding: 16px 32px; } }

/* Verlauf */
.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; font-size: 14px; }
.log li { display: grid; grid-template-columns: 140px 1fr; gap: 4px 16px; }
@media (max-width: 639px) { .log li { grid-template-columns: 1fr; } }
.log time { color: var(--gray-600); }

/* Empty */
.empty { text-align: center; padding: 32px 16px; color: var(--gray-600); }
.empty svg { width: 32px; height: 32px; color: var(--gray-400); margin-bottom: 8px; }

/* Dokumente */
.dropzone { border: 1.5px dashed var(--gray-300); border-radius: 8px; padding: 24px; background: var(--gray-50); text-align: center; }
.doc-list { list-style: none; margin: 0; padding: 0; }
.doc-list li { display: flex; flex-wrap: wrap; gap: 4px 16px; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.doc-list li:last-child { border-bottom: 0; }
.doc-list .replaced { color: var(--gray-500); }

/* Dialog */
dialog { border: 1px solid var(--gray-200); border-radius: 8px; padding: 0; width: min(560px, calc(100vw - 32px)); box-shadow: 0 10px 15px -3px rgb(0 0 0 / .1); color: var(--gray-900); }
dialog::backdrop { background: rgb(17 24 39 / .4); }
.dlg-head { padding: 20px 24px 0; }
.dlg-head h2 { font-family: var(--font-sans); font-size: 20px; margin: 0; }
.dlg-body { padding: 16px 24px; display: grid; gap: 16px; }
.dlg-foot { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }

/* Live-Meldung (flash-message, neutral) */
.flash { margin-bottom: 24px; }
.flash:empty { display: none; }

/* Prototyp-Steuerung: nur mit ?proto=an */
.proto { display: none; }
body.show-proto .proto { display: block; position: fixed; right: 16px; bottom: 88px; z-index: 50; width: 280px; max-height: 60vh; overflow: auto; background: #fff; border: 1px dashed var(--gray-400); border-radius: 8px; padding: 12px; font-size: 13px; }
.proto ol { padding-left: 20px; margin: 8px 0; }
.ablauf ol { padding-left: 24px; }
.ablauf li { margin-bottom: 12px; }
.kv { display: grid; grid-template-columns: minmax(140px, 40%) 1fr; gap: 6px 16px; margin: 0; font-size: 15px; }
.kv dt { color: var(--gray-600); }
.kv dd { margin: 0; }
.cols-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 1024px) { .cols-2 { grid-template-columns: 1fr 1fr; } }
.tb-row { border: 1px solid var(--gray-200); border-radius: 8px; padding: 16px; background: #fff; }
.tb-row + .tb-row { margin-top: 16px; }
.sum-line { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 16px 0 0; margin-top: 16px; border-top: 1px solid var(--gray-200); font-size: 18px; }