/* BauMOS Adminpanel Design-System (Redesign-Konzept Abschnitt 7). */

:root {
  color-scheme: light dark;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-neutral-0: #ffffff;
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  --color-success-100: #dcfce7;
  --color-success-600: #15803d;
  --color-warning-100: #fef3c7;
  --color-warning-600: #b45309;
  --color-danger-100: #fee2e2;
  --color-danger-600: #b91c1c;
  --color-danger-700: #991b1b;
  --color-info-100: #e0f2fe;
  --color-info-600: #0369a1;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06);
  --shadow-md: 0 8px 24px rgb(15 23 42 / 0.08);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --bg-page: var(--color-neutral-50);
  --bg-surface: var(--color-neutral-0);
  --bg-sidebar: var(--color-neutral-900);
  --text-body: var(--color-neutral-900);
  --text-muted: var(--color-neutral-600);
  --border-color: var(--color-neutral-200);
  --sidebar-width: 240px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: var(--color-neutral-900);
    --bg-surface: var(--color-neutral-800);
    --bg-sidebar: #0b1220;
    --text-body: var(--color-neutral-100);
    --text-muted: #94a3b8;
    --border-color: var(--color-neutral-700);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-body);
  background: var(--bg-page);
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 var(--space-3); }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; margin-top: var(--space-8); }
h3 { font-size: 1.05rem; }

a { color: var(--color-primary-600); }

code, .mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  background: var(--color-neutral-100);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}
@media (prefers-color-scheme: dark) {
  code, .mono { background: var(--color-neutral-700); }
}

.muted { color: var(--text-muted); font-size: 0.9rem; }

/* --- Skip-Link ------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--color-primary-600);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

/* --- App Shell --------------------------------------------------------*/
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-sidebar);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .brand {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
}

.sidebar-nav { padding: var(--space-3); display: flex; flex-direction: column; gap: 0.15rem; }

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.94rem;
}
.sidebar-nav a:hover { background: rgb(255 255 255 / 0.06); color: #fff; }
.sidebar-nav a[aria-current="page"] {
  background: var(--color-primary-600);
  color: #fff;
  font-weight: 600;
}

.sidebar-foot {
  margin-top: auto;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgb(255 255 255 / 0.08);
  font-size: 0.82rem;
  color: #94a3b8;
}

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text-body);
}

.topbar-title { font-weight: 600; font-size: 1rem; }

.topbar-user { display: flex; align-items: center; gap: var(--space-3); font-size: 0.88rem; color: var(--text-muted); }

.content {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6);
  flex: 1;
}

/* Mobile Navigation */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    transform: translateX(-100%);
    transition: transform 0.15s ease;
    z-index: 100;
    box-shadow: var(--shadow-md);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgb(15 23 42 / 0.4);
    z-index: 90;
  }
  .nav-toggle { display: inline-block; }
  .content { padding: var(--space-4); }
  .topbar { padding: var(--space-3) var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar { transition: none; }
}

/* --- Page Header ------------------------------------------------------*/
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.page-header h1 { margin: 0; }
.page-header-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.section-heading {
  margin: var(--space-6) 0 var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
  font-size: 1.1rem;
}
.section-heading:first-of-type { margin-top: 0; }
.breadcrumb { margin: 0 0 var(--space-2); font-size: 0.85rem; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* --- Buttons ------------------------------------------------------------*/
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  min-height: 38px;
}
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible,
select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--color-primary-600);
  outline-offset: 2px;
}
.btn-primary { background: var(--color-primary-600); color: #fff; }
.btn-primary:hover { background: var(--color-primary-700); }
.btn-secondary { background: var(--color-neutral-100); color: var(--text-body); border-color: var(--border-color); }
.btn-secondary:hover { background: var(--color-neutral-200); }
.btn-danger { background: var(--color-danger-600); color: #fff; }
.btn-danger:hover { background: #991b1b; }
.btn-ghost { background: transparent; color: var(--text-body); border-color: transparent; }
.btn-ghost:hover { background: var(--color-neutral-100); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.85rem; min-height: 30px; }
@media (prefers-color-scheme: dark) {
  .btn-secondary { background: var(--color-neutral-700); }
  .btn-secondary:hover { background: var(--color-neutral-600); }
  .btn-ghost:hover { background: var(--color-neutral-700); }
}

.action-row { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }

/* --- Cards / Panels -----------------------------------------------------*/
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}
.card h2, .card h3 { margin-top: 0; }

.danger-zone {
  border: 1px solid var(--color-danger-600);
  background: var(--color-danger-100);
}
@media (prefers-color-scheme: dark) {
  .danger-zone { background: rgb(153 27 27 / 0.15); }
}
.danger-zone h2 { color: var(--color-danger-700); margin-top: 0; }
@media (prefers-color-scheme: dark) { .danger-zone h2 { color: #fca5a5; } }

/* --- Status-Badges --------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-aktiv { background: var(--color-success-100); color: var(--color-success-600); }
.badge-gesperrt { background: var(--color-danger-100); color: var(--color-danger-700); }
.badge-abgelaufen { background: var(--color-warning-100); color: var(--color-warning-600); }
.badge-info { background: var(--color-info-100); color: var(--color-info-600); }
.badge-neutral { background: var(--color-neutral-100); color: var(--text-muted); }
@media (prefers-color-scheme: dark) {
  .badge-aktiv { background: rgb(21 128 61 / 0.25); }
  .badge-gesperrt { background: rgb(153 27 27 / 0.3); }
  .badge-abgelaufen { background: rgb(180 83 9 / 0.25); }
  .badge-info { background: rgb(3 105 161 / 0.3); }
  .badge-neutral { background: var(--color-neutral-700); }
}

/* --- Tables ------------------------------------------------------------*/
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}
table { border-collapse: collapse; width: 100%; min-width: 640px; }
th, td { text-align: left; padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--border-color); font-size: 0.92rem; vertical-align: middle; }
th { background: var(--color-neutral-50); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--text-muted); }
@media (prefers-color-scheme: dark) { th { background: var(--color-neutral-900); } }
tbody tr:last-child td { border-bottom: none; }
tbody tr.gesperrt td { color: var(--text-muted); }
tbody tr:hover { background: var(--color-neutral-50); }
@media (prefers-color-scheme: dark) { tbody tr:hover { background: rgb(255 255 255 / 0.03); } }

.empty-state {
  padding: var(--space-8) var(--space-6);
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
}

/* --- Definition list (Stammdaten) --------------------------------------*/
dl.meta-list { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem var(--space-4); margin: 0; }
dl.meta-list dt { font-weight: 600; color: var(--text-muted); font-size: 0.85rem; }
dl.meta-list dd { margin: 0; }

/* --- Forms --------------------------------------------------------------*/
form.inline { display: inline; margin: 0; }

label { display: block; font-weight: 600; margin: var(--space-4) 0 0.3rem; font-size: 0.9rem; }
label.checkbox-label { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; margin-top: var(--space-4); }
label.checkbox-label input { width: auto; }

input[type=text], input[type=number], input[type=date], input[type=password],
input[type=file], textarea, select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-surface);
  color: var(--text-body);
}
@media (prefers-color-scheme: dark) {
  input[type=text], input[type=number], input[type=date], input[type=password],
  input[type=file], textarea, select { border-color: var(--color-neutral-600); }
}
textarea { resize: vertical; }
.form-help { margin: 0.3rem 0 0; }

fieldset {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-4) var(--space-2);
  margin: 0 0 var(--space-4);
}
fieldset legend { font-weight: 600; padding: 0 0.4rem; }

.form-actions { margin-top: var(--space-6); display: flex; gap: var(--space-2); }

/* --- Alerts / Flash -------------------------------------------------- */
.alert {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  margin: 0 0 var(--space-4);
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.alert-error, .fehler { background: var(--color-danger-100); color: var(--color-danger-700); border-color: rgb(185 28 28 / 0.3); }
.alert-success { background: var(--color-success-100); color: var(--color-success-600); border-color: rgb(21 128 61 / 0.3); }
.alert-warning, .hinweis { background: var(--color-warning-100); color: var(--color-warning-600); border-color: rgb(180 83 9 / 0.3); }
.alert-info { background: var(--color-info-100); color: var(--color-info-600); border-color: rgb(3 105 161 / 0.3); }
@media (prefers-color-scheme: dark) {
  .alert-error, .fehler { background: rgb(153 27 27 / 0.2); }
  .alert-success { background: rgb(21 128 61 / 0.18); }
  .alert-warning, .hinweis { background: rgb(180 83 9 / 0.18); }
  .alert-info { background: rgb(3 105 161 / 0.18); }
}

.flash-region { display: flex; flex-direction: column; gap: var(--space-2); }
.flash-region:empty { display: none; }

/* --- Key/secret box ----------------------------------------------------*/
.schluessel-box {
  background: var(--color-success-100);
  border: 2px dashed var(--color-success-600);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  font-family: ui-monospace, monospace;
  font-size: 1.1rem;
  word-break: break-all;
}
@media (prefers-color-scheme: dark) { .schluessel-box { background: rgb(21 128 61 / 0.15); } }

.changelog-text { white-space: pre-wrap; margin-top: 0.4rem; max-width: 420px; font-size: 0.88rem; }

/* --- Dropzone ------------------------------------------------------------*/
.dropzone {
  border: 2px dashed var(--color-neutral-300);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  color: var(--text-muted);
}
.dropzone.dropzone-over { background: var(--color-info-100); }
@media (prefers-color-scheme: dark) { .dropzone.dropzone-over { background: rgb(3 105 161 / 0.15); } }

/* --- Login-Seite --------------------------------------------------------*/
body.login-page {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.login-card {
  background: var(--bg-surface);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 340px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}
.login-card h1 { font-size: 1.25rem; margin-bottom: var(--space-4); }
.login-card .brand-mark { font-weight: 700; color: var(--color-primary-600); margin: 0 0 var(--space-2); font-size: 1rem; }
.login-card button[type=submit] { width: 100%; margin-top: var(--space-4); justify-content: center; }
.login-hint { margin-top: var(--space-6); font-size: 0.8rem; color: var(--text-muted); }