:root {
  --fh-bg: #f1f5f9;
  --fh-surface: #ffffff;
  --fh-surface-2: #f8fafc;
  --fh-border: #e2e8f0;
  --fh-text: #0f172a;
  --fh-muted: #64748b;
  --fh-primary: #4f46e5;
  --fh-primary-600: #4338ca;
  --fh-primary-soft: #eef2ff;
  --fh-success: #16a34a;
  --fh-danger: #dc2626;
  --fh-warning: #d97706;
  --fh-sidebar: #0f172a;
  --fh-sidebar-2: #1e293b;
  --fh-radius: 14px;
  --fh-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fh-bg);
  color: var(--fh-text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--fh-primary); text-decoration: none; }
a:hover { color: var(--fh-primary-600); }

/* ---------- Layout (Desktop) ---------- */
.fh-app { display: flex; min-height: 100vh; }

.fh-sidebar {
  width: 264px;
  background: var(--fh-sidebar);
  color: #cbd5e1;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 1.1rem .75rem 2rem;
}
.fh-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: .4rem .6rem 1.1rem;
  font-weight: 700; font-size: 1.2rem; color: #fff;
}
.fh-brand .fh-logo {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--fh-primary), #7c3aed);
  color: #fff; font-size: 1.1rem;
}
.fh-nav-group { margin-top: 1.1rem; }
.fh-nav-group > span {
  display: block; padding: 0 .7rem .35rem;
  font-size: .68rem; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: #64748b;
}
.fh-nav-link {
  display: flex; align-items: center; gap: .7rem;
  padding: .55rem .7rem; border-radius: 10px;
  color: #cbd5e1; font-size: .9rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.fh-nav-link i { font-size: 1.05rem; width: 20px; text-align: center; opacity: .85; }
.fh-nav-link:hover { background: var(--fh-sidebar-2); color: #fff; }
.fh-nav-link.active { background: var(--fh-primary); color: #fff; box-shadow: 0 6px 14px rgba(79,70,229,.35); }
.fh-nav-link.active i { opacity: 1; }

.fh-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.fh-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 1.6rem; background: var(--fh-surface);
  border-bottom: 1px solid var(--fh-border); position: sticky; top: 0; z-index: 20;
}
.fh-topbar h1 { font-size: 1.15rem; margin: 0; font-weight: 650; }
.fh-content { padding: 1.6rem; flex: 1; }

.fh-user-chip {
  display: flex; align-items: center; gap: .55rem;
  padding: .3rem .3rem .3rem .7rem; border: 1px solid var(--fh-border);
  border-radius: 999px; background: var(--fh-surface-2); font-size: .85rem;
}
.fh-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--fh-primary), #7c3aed);
  color: #fff; display: grid; place-items: center; font-weight: 600; font-size: .8rem;
}

/* ---------- Cards ---------- */
.fh-card {
  background: var(--fh-surface); border: 1px solid var(--fh-border);
  border-radius: var(--fh-radius); box-shadow: var(--fh-shadow);
}
.fh-card-body { padding: 1.15rem 1.25rem; }
.fh-card-title { font-size: .95rem; font-weight: 650; margin: 0 0 .9rem; }

.fh-stat { display: flex; flex-direction: column; gap: .25rem; }
.fh-stat .label { color: var(--fh-muted); font-size: .8rem; font-weight: 500; }
.fh-stat .value { font-size: 1.55rem; font-weight: 700; letter-spacing: -.01em; }
.fh-stat .ico {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; font-size: 1.25rem;
}
.fh-stat-row { display: flex; align-items: center; justify-content: space-between; }

.tone-green { color: var(--fh-success); }
.tone-red { color: var(--fh-danger); }
.tone-amber { color: var(--fh-warning); }
.bg-green { background: #dcfce7; color: var(--fh-success); }
.bg-red { background: #fee2e2; color: var(--fh-danger); }
.bg-indigo { background: var(--fh-primary-soft); color: var(--fh-primary); }
.bg-amber { background: #fef3c7; color: var(--fh-warning); }

.fh-grid { display: grid; gap: 1.1rem; }
.fh-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.fh-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.fh-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Tables ---------- */
.fh-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.fh-table th {
  text-align: left; color: var(--fh-muted); font-weight: 600;
  font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
  padding: .6rem .75rem; border-bottom: 1px solid var(--fh-border);
}
.fh-table td { padding: .7rem .75rem; border-bottom: 1px solid var(--fh-border); vertical-align: middle; }
.fh-table tr:last-child td { border-bottom: 0; }
.fh-table tbody tr:hover { background: var(--fh-surface-2); }

.fh-pill {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .2rem .55rem; border-radius: 999px; font-size: .75rem; font-weight: 600;
}
.fh-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* ---------- Buttons & forms (auf Bootstrap aufbauend) ---------- */
.btn-primary { background: var(--fh-primary); border-color: var(--fh-primary); }
.btn-primary:hover { background: var(--fh-primary-600); border-color: var(--fh-primary-600); }
.btn-outline-primary { color: var(--fh-primary); border-color: var(--fh-primary); }
.btn-outline-primary:hover { background: var(--fh-primary); border-color: var(--fh-primary); }
.form-control:focus, .form-select:focus {
  border-color: var(--fh-primary); box-shadow: 0 0 0 .2rem rgba(79,70,229,.15);
}
.fh-progress { height: 8px; border-radius: 999px; background: var(--fh-border); overflow: hidden; }
.fh-progress > span { display: block; height: 100%; border-radius: 999px; }

/* ---------- Empty state ---------- */
.fh-empty { text-align: center; padding: 2.5rem 1rem; color: var(--fh-muted); }
.fh-empty .ico {
  font-size: 2.4rem; color: var(--fh-primary); opacity: .5; margin-bottom: .6rem;
}

/* ---------- Mobile layout ---------- */
.fh-mobile { padding-bottom: 78px; min-height: 100vh; }
.fh-mobile-top {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1rem; background: var(--fh-surface);
  border-bottom: 1px solid var(--fh-border);
}
.fh-mobile-top .title { font-weight: 650; font-size: 1.05rem; }
.fh-mobile-content { padding: 1rem; }

.fh-tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  display: flex; justify-content: space-around;
  background: var(--fh-surface); border-top: 1px solid var(--fh-border);
  padding: .35rem .25rem calc(.35rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 16px rgba(15,23,42,.06);
}
.fh-tab {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .35rem 0; color: var(--fh-muted); font-size: .68rem; font-weight: 500;
}
.fh-tab i { font-size: 1.3rem; }
.fh-tab.active { color: var(--fh-primary); }
.fh-tab.fh-tab-fab i {
  background: var(--fh-primary); color: #fff; width: 46px; height: 46px;
  border-radius: 50%; display: grid; place-items: center; margin-top: -22px;
  box-shadow: 0 8px 18px rgba(79,70,229,.45); font-size: 1.4rem;
}

/* Off-canvas Mobile-Menue */
.fh-drawer-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 50;
  opacity: 0; visibility: hidden; transition: opacity .2s;
}
.fh-drawer-backdrop.open { opacity: 1; visibility: visible; }
.fh-drawer {
  position: fixed; top: 0; left: 0; bottom: 0; width: 280px; z-index: 60;
  background: var(--fh-sidebar); color: #cbd5e1; padding: 1rem .75rem;
  overflow-y: auto; transform: translateX(-100%); transition: transform .25s ease;
}
.fh-drawer.open { transform: translateX(0); }

/* ---------- Auth (Login/Register) ---------- */
.fh-auth {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
  background: radial-gradient(120% 120% at 0% 0%, #1e1b4b 0%, #0f172a 55%);
}
.fh-auth-card {
  width: 100%; max-width: 410px; background: var(--fh-surface);
  border-radius: 18px; box-shadow: 0 24px 60px rgba(2,6,23,.5); padding: 2rem;
}
.fh-auth-brand {
  display: flex; align-items: center; gap: .6rem; justify-content: center;
  font-weight: 700; font-size: 1.35rem; margin-bottom: .35rem;
}
.fh-auth-sub { text-align: center; color: var(--fh-muted); margin-bottom: 1.5rem; font-size: .9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .fh-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .fh-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .fh-grid.cols-4, .fh-grid.cols-3, .fh-grid.cols-2 { grid-template-columns: 1fr; }
}