/* ============================================================
   Arndt Portal – Stylesheet
   Farbschema: Dunkelgrün (#204c6f) Akzent, Weiß/Hellgrau, Schwarz
   Keine externen Ressourcen (DSGVO-konform)
   ============================================================ */

/* --- CSS-Variablen ----------------------------------------- */
:root {
  --color-accent:        #204c6f;
  --color-accent-dark:   #163a57;
  --color-accent-light:  #2d6391;
  --color-accent-bg:     #eef3f8;
  --color-white:         #ffffff;
  --color-gray-50:       #f9fafb;
  --color-gray-100:      #f3f4f6;
  --color-gray-200:      #e5e7eb;
  --color-gray-300:      #d1d5db;
  --color-gray-400:      #9ca3af;
  --color-gray-500:      #6b7280;
  --color-gray-700:      #374151;
  --color-gray-900:      #111827;
  --color-danger:        #b91c1c;
  --color-danger-bg:     #fef2f2;
  --color-warning:       #92400e;
  --color-warning-bg:    #fffbeb;
  --color-success:       #166534;
  --color-success-bg:    #f0fdf4;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  --radius-sm: 4px;
  --radius:    6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 2px 8px rgba(0,0,0,.10);
  --shadow-lg: 0 4px 20px rgba(0,0,0,.12);

  --max-width: 1100px;
  --transition: 0.18s ease;
}

/* --- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Layout ------------------------------------------------- */
.page-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header ------------------------------------------------- */
.site-header {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.85rem 0;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-white);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.site-logo:hover { text-decoration: none; opacity: 0.9; }
.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.88rem;
}
.header-nav a {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.header-nav a:hover { color: #fff; text-decoration: none; }
.nav-badge {
  background: rgba(255,255,255,0.2);
  color: #fff;
  padding: 0.2rem 0.7rem;
  border-radius: 99px;
  font-size: 0.8rem;
}

/* --- Footer ------------------------------------------------- */
.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 1.25rem 0;
  font-size: 0.82rem;
  margin-top: auto;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
}
.footer-links a { color: var(--color-gray-400); }
.footer-links a:hover { color: var(--color-gray-200); text-decoration: underline; }

/* --- Main Content ------------------------------------------- */
main {
  flex: 1;
  padding: 2.5rem 0;
}

/* --- Cards -------------------------------------------------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-header h2, .card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-900);
}
.card-body { padding: 1.5rem; }

/* --- Formulare --------------------------------------------- */
.form-card {
  max-width: 420px;
  margin: 2rem auto;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.35rem;
}
.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-gray-900);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(31,77,61,0.12);
}
.form-hint {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
}

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-family: var(--font-family);
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform 0.1s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-secondary {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}
.btn-secondary:hover { background: var(--color-gray-200); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #991b1b; }

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
}
.btn-full { width: 100%; }

/* --- Alerts ------------------------------------------------- */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  border-left: 4px solid transparent;
  margin-bottom: 1rem;
}
.alert-error {
  background: var(--color-danger-bg);
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.alert-success {
  background: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success);
}
.alert-warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning);
  color: var(--color-warning);
}
.alert-info {
  background: var(--color-accent-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- Tabellen ---------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
thead th {
  background: var(--color-gray-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-200);
  white-space: nowrap;
}
tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-gray-700);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-gray-50); }

/* --- Badges ----------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 99px;
}
.badge-green { background: var(--color-success-bg); color: var(--color-success); }
.badge-red   { background: var(--color-danger-bg);  color: var(--color-danger); }
.badge-gray  { background: var(--color-gray-100);   color: var(--color-gray-500); }
.badge-blue  { background: #eff6ff;                 color: #1d4ed8; }

/* --- Seitenüberschrift ------------------------------------- */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 1.5rem;
}
.page-subtitle {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
  font-weight: 400;
}

/* --- Passwort-Anzeige (einmalig) --------------------------- */
.password-reveal-box {
  background: #fffbeb;
  border: 1.5px solid #d97706;
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.password-reveal-box .warning-title {
  font-weight: 700;
  color: #92400e;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.password-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-gray-900);
  background: var(--color-white);
  border: 1px solid var(--color-gray-300);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  user-select: all;
  word-break: break-all;
}
.url-value {
  font-size: 0.88rem;
  color: var(--color-accent);
  word-break: break-all;
  padding: 0.4rem 0.7rem;
  background: var(--color-accent-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(31,77,61,0.2);
}

/* --- Upload-Bereich ---------------------------------------- */
.upload-area {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.upload-area:hover, .upload-area.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}
.upload-area input[type="file"] { display: none; }
.upload-area-label {
  display: block;
  cursor: pointer;
}
.upload-icon {
  display: block;
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray-400);
}
.upload-text {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-bottom: 0.5rem;
}
.upload-hint {
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

/* --- Spinner (Upload-Fortschritt) -------------------------- */
.spinner-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  color: #fff;
  font-size: 1rem;
}
.spinner-overlay.active { display: flex; }
.spinner {
  width: 48px;
  height: 48px;
  border: 5px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Index-Seite ------------------------------------------- */
.index-hero {
  max-width: 600px;
  margin: 5rem auto;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.index-hero .hero-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  display: block;
}
.index-hero h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.index-hero p {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}
.index-divider {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: 1.5rem 0;
}

/* --- QR-Code-Seite ----------------------------------------- */
.qr-box {
  text-align: center;
  padding: 1.5rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  margin-bottom: 1rem;
}
.qr-box img { max-width: 220px; border: 4px solid #fff; box-shadow: var(--shadow); }
.secret-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  background: var(--color-gray-100);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  word-break: break-all;
  display: inline-block;
  margin-top: 0.5rem;
}

/* --- Dateiliste -------------------------------------------- */
.file-list {
  list-style: none;
}
.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 0.88rem;
  flex-wrap: wrap;
}
.file-item:last-child { border-bottom: none; }
.file-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-gray-900);
  word-break: break-word;
  min-width: 0;
  flex: 1;
}
.file-meta {
  color: var(--color-gray-400);
  font-size: 0.8rem;
  white-space: nowrap;
}
.file-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* --- Audit-Log Tabelle ------------------------------------- */
.audit-action {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  padding: 0.15rem 0.5rem;
  background: var(--color-gray-100);
  border-radius: 3px;
  white-space: nowrap;
}
.audit-ts {
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

/* --- Paginierung ------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--color-gray-700);
  text-decoration: none;
}
.pagination a:hover { background: var(--color-gray-50); text-decoration: none; }
.pagination .current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* --- Dashboard-Stats --------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-gray-200);
}
.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  main { padding: 1.5rem 0; }
  .card-body { padding: 1rem; }
  .card-header { padding: 1rem; }
  .page-title { font-size: 1.2rem; }
  .index-hero { margin: 2rem auto; padding: 2rem 1.25rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .header-nav .nav-badge { display: none; }
  .file-item { flex-direction: column; align-items: flex-start; }
  .file-actions { width: 100%; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* --- Section-Trenner --------------------------------------- */
.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* --- Hilfs-Klassen ----------------------------------------- */
.text-muted    { color: var(--color-gray-500); font-size: 0.88rem; }
.text-danger   { color: var(--color-danger); }
.text-success  { color: var(--color-success); }
.text-center   { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.flex-gap { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.w-full { width: 100%; }

/* ARNDT-REDESIGN-PATCH – Markenfarben + Logo-Integration */
/* ============================================================
   Arndt Portal – Markenfarben-Update
   Wird ANS ENDE der style.css angefügt
   ============================================================ */

:root {
  /* Markenfarben aus Kanzlei-Arndt-Logo */
  --color-accent:        #204c6f;  /* Tiefes Petrolblau */
  --color-accent-dark:   #163a57;  /* Dunkler Petrol für Hover/Aktiv */
  --color-accent-light:  #2d6391;  /* Helleres Blau */
  --color-accent-bg:     #eef3f8;  /* Sehr dezenter Blauton für Hintergründe */

  /* Sekundäre Akzentfarbe (Terrakotta aus Logo) */
  --color-secondary:      #ce6f2b;
  --color-secondary-dark: #b25d22;
  --color-secondary-bg:   #fdf1e6;
}

/* --- Header & Marke ------------------------------------------ */
.site-header {
  background: var(--color-accent);
  border-bottom: 3px solid var(--color-secondary);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-header .brand-logo {
  height: 44px;
  width: auto;
  display: block;
  background: rgba(255,255,255,0.95);
  padding: 4px 6px;
  border-radius: 6px;
}

.site-header .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header .brand-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.site-header .brand-subtitle {
  font-size: 0.78rem;
  opacity: 0.85;
  color: #fff;
}

/* --- Login / Startseite – großes Logo ------------------------ */
.brand-hero {
  text-align: center;
  padding: 2rem 0 1rem 0;
}

.brand-hero img {
  height: 96px;
  width: auto;
  margin-bottom: 0.5rem;
}

.brand-hero h1 {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin: 0;
}

.brand-hero .subtitle {
  color: var(--color-gray-500);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* --- Primärer Button-Stil mit neuen Markenfarben ------------- */
.btn-primary,
button[type="submit"],
.button-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-primary:hover,
button[type="submit"]:hover,
.button-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Sekundär-Button im Terrakotta für besondere Aktionen */
.btn-secondary,
.button-secondary {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover,
.button-secondary:hover {
  background: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

/* --- Links in Markenfarbe ------------------------------------ */
a { color: var(--color-accent); }
a:hover { color: var(--color-secondary); }

/* --- Tabellenkopf in Markenfarbe ----------------------------- */
table thead th {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

/* --- Card-Highlights, Badges --------------------------------- */
.badge-success { background: var(--color-accent-bg); color: var(--color-accent); }
.badge-warn    { background: var(--color-secondary-bg); color: var(--color-secondary-dark); }

/* --- Footer dezent in der Markenfarbe ------------------------ */
.site-footer {
  border-top: 3px solid var(--color-secondary);
}

/* --- Responsive Anpassung ------------------------------------ */
@media (max-width: 600px) {
  .site-header .brand-subtitle { display: none; }
  .site-header .brand-logo { height: 36px; }
  .brand-hero img { height: 72px; }
}