/* =========================================================
   JF-Modul – Leitstellen-UI
   Dunkles Theme, Sidebar-Layout, responsive
   ========================================================= */

:root {
  /* Farben – passend zu BFTAG */
  --jf-bg:         #1a1d23;
  --jf-bg-elev:    #242831;
  --jf-bg-elev2:   #2c313c;
  --jf-bg-sidebar: #15181e;
  --jf-bg-header:  #1e2129;
  --jf-border:     #363b47;
  --jf-border-soft:#2a2f3a;

  --jf-text:       #e4e6eb;
  --jf-text-soft:  #9ba3b4;
  --jf-text-dim:   #6b7280;

  --jf-primary:    #8c0000;
  --jf-primary-h:  #b10000;
  --jf-accent:     #ff8c00;
  --jf-success:    #00a000;
  --jf-warning:    #ffd700;
  --jf-danger:     #b00020;
  --jf-info:       #2196f3;
  --jf-lila:       #800080;

  /* Status-Farben aus Leitstelle */
  --clr-red:       #ff0000;
  --clr-darkred:   #8b0000;
  --clr-orange:    #ff8c00;
  --clr-yellow:    #ffd700;
  --clr-green:     #00a000;
  --clr-lightgreen:#7CFC00;
  --clr-cyan:      #00FFFF;
  --clr-lila:      #800080;
  --clr-grey:      #607d8b;

  --jf-sidebar-w:    260px;
  --jf-sidebar-w-collapsed: 64px;
  --jf-header-h:     56px;
  --jf-radius:       8px;
  --jf-radius-sm:    6px;

  --jf-shadow: 0 2px 8px rgba(0,0,0,.35);
  --jf-shadow-lg: 0 8px 24px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--jf-bg);
  color: var(--jf-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--jf-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================
   LAYOUT
   ============================================ */
.jf-app {
  display: grid;
  grid-template-columns: var(--jf-sidebar-w) 1fr;
  grid-template-rows: var(--jf-header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
  transition: grid-template-columns .2s ease;
}

.jf-app.sidebar-collapsed {
  grid-template-columns: var(--jf-sidebar-w-collapsed) 1fr;
}

.jf-app.sidebar-hidden {
  grid-template-columns: 0 1fr;
}
.jf-app.sidebar-hidden .jf-sidebar { display: none; }

/* ============================================
   SIDEBAR
   ============================================ */
.jf-sidebar {
  grid-area: sidebar;
  background: var(--jf-bg-sidebar);
  border-right: 1px solid var(--jf-border);
  display: flex; flex-direction: column;
  overflow: hidden;
  position: relative;
  z-index: 20;
}

.jf-sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--jf-border);
  min-height: var(--jf-header-h);
}
.jf-sidebar-brand .jf-logo {
  width: 32px; height: 32px;
  background: var(--jf-primary);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: bold; font-size: 16px;
  flex-shrink: 0;
}
.jf-sidebar-brand .jf-brand-text {
  font-weight: 700; font-size: 15px; color: var(--jf-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.jf-sidebar-brand .jf-brand-sub {
  font-size: 11px; color: var(--jf-text-dim); margin-top: 2px;
}

.jf-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.jf-nav::-webkit-scrollbar { width: 6px; }
.jf-nav::-webkit-scrollbar-thumb { background: #363b47; border-radius: 3px; }

.jf-nav-item {
  display: block;
}
.jf-nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  color: var(--jf-text-soft);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .15s, color .15s;
  cursor: pointer;
  user-select: none;
}
.jf-nav-link:hover {
  background: var(--jf-bg-elev);
  color: var(--jf-text);
  text-decoration: none;
}
.jf-nav-link.active {
  background: var(--jf-bg-elev);
  color: var(--jf-text);
  border-left-color: var(--jf-primary);
}
.jf-nav-link.parent.open {
  background: rgba(140,0,0,.1);
}
.jf-nav-link .jf-ico {
  flex-shrink: 0;
}
.jf-nav-label {
  flex: 1;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.jf-nav-chevron {
  transition: transform .15s;
  opacity: .6;
}
.jf-nav-link.parent.open .jf-nav-chevron {
  transform: rotate(180deg);
}
.jf-nav-children {
  max-height: 0; overflow: hidden;
  transition: max-height .2s ease;
  background: rgba(0,0,0,.25);
}
.jf-nav-link.parent.open + .jf-nav-children {
  max-height: 600px;
}
.jf-nav-children .jf-nav-link {
  padding-left: 52px; font-size: 13px;
}
.jf-nav-children .jf-nav-link.active {
  border-left-color: var(--jf-accent);
}

.jf-sidebar-footer {
  border-top: 1px solid var(--jf-border);
  padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
}
.jf-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--jf-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.jf-user-info {
  flex: 1; min-width: 0;
}
.jf-user-name { font-size: 13px; font-weight: 600; color: var(--jf-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.jf-user-role { font-size: 11px; color: var(--jf-text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.jf-icon-btn {
  background: transparent;
  color: var(--jf-text-soft);
  border: 0;
  width: 34px; height: 34px;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.jf-icon-btn:hover {
  background: var(--jf-bg-elev);
  color: var(--jf-text);
}

/* Collapsed sidebar */
.sidebar-collapsed .jf-brand-text,
.sidebar-collapsed .jf-brand-sub,
.sidebar-collapsed .jf-nav-label,
.sidebar-collapsed .jf-nav-chevron,
.sidebar-collapsed .jf-user-info {
  display: none;
}
.sidebar-collapsed .jf-nav-link { justify-content: center; padding: 12px; }
.sidebar-collapsed .jf-nav-children { display: none !important; }
.sidebar-collapsed .jf-sidebar-brand { justify-content: center; padding: 14px 8px; }
.sidebar-collapsed .jf-sidebar-footer { justify-content: center; }

/* ============================================
   HEADER
   ============================================ */
.jf-header {
  grid-area: header;
  background: var(--jf-bg-header);
  border-bottom: 1px solid var(--jf-border);
  display: flex; align-items: center;
  padding: 0 16px;
  gap: 12px;
  position: sticky; top: 0; z-index: 10;
}
.jf-header-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.jf-header-clock {
  font-variant-numeric: tabular-nums;
  color: var(--jf-text-soft);
  font-size: 14px;
  padding: 6px 10px;
  background: var(--jf-bg-elev);
  border-radius: 6px;
  border: 1px solid var(--jf-border);
}
.jf-header-actions {
  display: flex; align-items: center; gap: 8px;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.jf-main {
  grid-area: main;
  padding: 24px;
  overflow-x: hidden;
}
.jf-page-head {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 20px;
}
.jf-page-title {
  font-size: 22px; font-weight: 700;
  margin: 0;
}
.jf-page-sub {
  color: var(--jf-text-soft); font-size: 13px; margin-top: 4px;
}
.jf-page-actions {
  margin-left: auto;
  display: flex; gap: 8px;
}

/* ============================================
   CARDS & BOXES
   ============================================ */
.jf-card {
  background: var(--jf-bg-elev);
  border: 1px solid var(--jf-border);
  border-radius: var(--jf-radius);
  padding: 16px;
}
.jf-card-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--jf-border-soft);
  margin-bottom: 14px;
}
.jf-card-title {
  font-size: 15px; font-weight: 600; margin: 0;
  flex: 1;
}

.jf-grid {
  display: grid;
  gap: 16px;
}
.jf-grid-4 { grid-template-columns: repeat(4, 1fr); }
.jf-grid-3 { grid-template-columns: repeat(3, 1fr); }
.jf-grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1200px) {
  .jf-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .jf-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .jf-grid-4, .jf-grid-3, .jf-grid-2 { grid-template-columns: 1fr; }
}

/* Stat Cards (Dashboard) */
.jf-stat {
  background: var(--jf-bg-elev);
  border: 1px solid var(--jf-border);
  border-radius: var(--jf-radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.jf-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: var(--jf-primary);
}
.jf-stat.accent::before { background: var(--jf-accent); }
.jf-stat.success::before { background: var(--jf-success); }
.jf-stat.info::before { background: var(--jf-info); }
.jf-stat.warn::before { background: var(--jf-warning); }

.jf-stat-label {
  color: var(--jf-text-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}
.jf-stat-value {
  font-size: 28px; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.jf-stat-sub {
  color: var(--jf-text-dim);
  font-size: 12px; margin-top: 6px;
}
.jf-stat-icon {
  position: absolute;
  top: 16px; right: 16px;
  color: var(--jf-text-dim);
  opacity: .4;
}

/* ============================================
   BUTTONS
   ============================================ */
.jf-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--jf-primary);
  color: #fff;
  border: 0;
  height: 38px;
  padding: 0 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s, transform .05s;
  white-space: nowrap;
}
.jf-btn:hover { background: var(--jf-primary-h); text-decoration: none; color: #fff; }
.jf-btn:active { transform: translateY(1px); }
.jf-btn:disabled { opacity: .5; cursor: not-allowed; }
.jf-btn.secondary { background: var(--jf-bg-elev2); color: var(--jf-text); }
.jf-btn.secondary:hover { background: #3a4050; }
.jf-btn.success { background: var(--jf-success); }
.jf-btn.success:hover { background: #00c000; }
.jf-btn.warn { background: var(--jf-accent); }
.jf-btn.danger { background: var(--jf-danger); }
.jf-btn.sm { height: 30px; padding: 0 10px; font-size: 12px; }
.jf-btn.ghost { background: transparent; color: var(--jf-text-soft); border: 1px solid var(--jf-border); }
.jf-btn.ghost:hover { background: var(--jf-bg-elev); color: var(--jf-text); }

.jf-btn-group { display: inline-flex; gap: 6px; }

/* ============================================
   FORMS
   ============================================ */
.jf-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.jf-form-row.full { grid-template-columns: 1fr; }
@media (max-width: 600px) { .jf-form-row { grid-template-columns: 1fr; } }

.jf-field label {
  display: block;
  font-size: 12px;
  color: var(--jf-text-soft);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .3px;
}
.jf-input, .jf-select, .jf-textarea {
  width: 100%;
  background: var(--jf-bg);
  color: var(--jf-text);
  border: 1px solid var(--jf-border);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
}
.jf-input:focus, .jf-select:focus, .jf-textarea:focus {
  outline: none;
  border-color: var(--jf-primary);
  box-shadow: 0 0 0 2px rgba(140,0,0,.25);
}
.jf-textarea { min-height: 80px; resize: vertical; }
.jf-field-error {
  color: var(--jf-danger);
  font-size: 12px; margin-top: 4px;
}
.jf-checkbox {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer;
  user-select: none;
}
.jf-checkbox input { width: 16px; height: 16px; accent-color: var(--jf-primary); }

/* ============================================
   TABLES
   ============================================ */
.jf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.jf-table thead th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--jf-text-soft);
  padding: 10px 12px;
  border-bottom: 1px solid var(--jf-border);
  background: var(--jf-bg-elev2);
  font-weight: 600;
}
.jf-table tbody td {
  padding: 12px;
  border-bottom: 1px solid var(--jf-border-soft);
  vertical-align: middle;
}
.jf-table tbody tr:hover { background: rgba(255,255,255,.03); }
.jf-table tbody tr:last-child td { border-bottom: 0; }

.jf-table-wrap {
  background: var(--jf-bg-elev);
  border: 1px solid var(--jf-border);
  border-radius: var(--jf-radius);
  overflow: hidden;
}

/* ============================================
   BADGES & CHIPS
   ============================================ */
.jf-badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  background: var(--jf-bg-elev2);
  color: var(--jf-text);
  border: 1px solid var(--jf-border);
}
.jf-badge.red     { background: var(--jf-primary); color: #fff; border-color: transparent; }
.jf-badge.green   { background: var(--jf-success); color: #fff; border-color: transparent; }
.jf-badge.orange  { background: var(--jf-accent); color: #fff; border-color: transparent; }
.jf-badge.yellow  { background: var(--jf-warning); color: #1a1d23; border-color: transparent; }
.jf-badge.grey    { background: var(--jf-text-dim); color: #fff; border-color: transparent; }
.jf-badge.info    { background: var(--jf-info); color: #fff; border-color: transparent; }

.jf-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px;
  background: var(--jf-bg-elev2);
  border: 1px solid var(--jf-border);
  color: var(--jf-text);
}
.jf-chip .jf-chip-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--jf-primary);
}

/* ============================================
   FLASH / ALERTS
   ============================================ */
.jf-alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 14px;
  border-left: 4px solid var(--jf-info);
  background: rgba(33,150,243,.1);
  color: var(--jf-text);
}
.jf-alert.success { border-left-color: var(--jf-success); background: rgba(0,160,0,.1); }
.jf-alert.warn    { border-left-color: var(--jf-accent); background: rgba(255,140,0,.1); }
.jf-alert.error   { border-left-color: var(--jf-danger); background: rgba(176,0,32,.12); }

/* ============================================
   MODAL
   ============================================ */
.jf-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
}
.jf-modal-backdrop.open { display: flex; }
.jf-modal {
  background: var(--jf-bg-elev);
  border: 1px solid var(--jf-border);
  border-radius: var(--jf-radius);
  width: min(560px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--jf-shadow-lg);
}
.jf-modal-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--jf-border);
  display: flex; align-items: center; gap: 10px;
}
.jf-modal-title { font-size: 16px; font-weight: 600; flex: 1; margin: 0; }
.jf-modal-body { padding: 18px; }
.jf-modal-foot {
  padding: 14px 18px;
  border-top: 1px solid var(--jf-border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* ============================================
   RESPONSIVE (Mobile)
   ============================================ */
@media (max-width: 900px) {
  .jf-app {
    grid-template-columns: 0 1fr;
  }
  .jf-sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    width: var(--jf-sidebar-w);
    height: 100vh;
    transition: left .2s;
  }
  .jf-app.sidebar-open .jf-sidebar {
    left: 0;
    box-shadow: var(--jf-shadow-lg);
  }
  .jf-main { padding: 14px; }
  .jf-page-head { flex-direction: column; align-items: flex-start; }
  .jf-page-actions { margin-left: 0; width: 100%; }
  .jf-mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    display: none;
    z-index: 19;
  }
  .jf-app.sidebar-open .jf-mobile-overlay { display: block; }
}

/* ============================================
   UTILITY
   ============================================ */
.jf-flex { display: flex; }
.jf-gap-2 { gap: 8px; }
.jf-gap-3 { gap: 12px; }
.jf-gap-4 { gap: 16px; }
.jf-mt-2 { margin-top: 8px; }
.jf-mt-3 { margin-top: 12px; }
.jf-mt-4 { margin-top: 16px; }
.jf-mb-3 { margin-bottom: 12px; }
.jf-text-muted { color: var(--jf-text-soft); }
.jf-text-dim { color: var(--jf-text-dim); }
.jf-text-sm { font-size: 12px; }
.jf-text-right { text-align: right; }
.jf-text-center { text-align: center; }
.jf-nowrap { white-space: nowrap; }
.jf-w-full { width: 100%; }
.jf-divider { border: 0; border-top: 1px solid var(--jf-border-soft); margin: 16px 0; }

/* Spezial: Fullscreen für Monitor */
.jf-fullscreen-mode .jf-sidebar,
.jf-fullscreen-mode .jf-header { display: none; }
.jf-fullscreen-mode .jf-app {
  grid-template-columns: 0 1fr;
  grid-template-rows: 0 1fr;
}
.jf-fullscreen-mode .jf-main { padding: 0; }

/* Empty-State */
.jf-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--jf-text-dim);
}
.jf-empty .jf-ico {
  opacity: .3;
  margin-bottom: 10px;
}

/* Login-Seite */
.jf-login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at top, #2a2f3a 0%, var(--jf-bg) 70%);
  padding: 20px;
}
.jf-login-card {
  width: min(420px, 100%);
  background: var(--jf-bg-elev);
  border: 1px solid var(--jf-border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--jf-shadow-lg);
}
.jf-login-logo {
  width: 64px; height: 64px;
  background: var(--jf-primary);
  border-radius: 14px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 28px;
}
.jf-login-title { text-align: center; font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.jf-login-sub { text-align: center; color: var(--jf-text-soft); font-size: 13px; margin: 0 0 24px; }
.jf-login-tabs {
  display: flex; gap: 4px;
  background: var(--jf-bg);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 20px;
}
.jf-login-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--jf-text-soft);
  transition: all .15s;
}
.jf-login-tab.active {
  background: var(--jf-primary);
  color: #fff;
}