:root {
  --red: #E50000;
  --red-dark: #B80000;
  --red-light: #FF3333;
  --black: #111111;
  --gray-dark: #222222;
  --gray-mid: #444444;
  --gray: #888888;
  --gray-light: #CCCCCC;
  --gray-ultra: #F4F4F4;
  --white: #FFFFFF;
  --shadow: 0 2px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.13);
  --radius: 10px;
  --transition: 0.18s cubic-bezier(.4,0,.2,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'DM Sans', sans-serif; background: var(--gray-ultra); color: var(--black); min-height: 100vh; }

/* ---- TOPBAR ---- */
.topbar {
  background: var(--white);
  border-bottom: 2px solid var(--gray-ultra);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.topbar-logo { display: flex; align-items: center; gap: 12px; }
.topbar-logo img { height: 38px; }
.topbar-title { font-size: 1.15rem; font-weight: 600; color: var(--black); letter-spacing: -0.01em; }
.topbar-company-badge {
  background: var(--gray-ultra);
  border: 1px solid var(--gray-light);
  border-radius: 20px;
  padding: 5px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-mid);
  display: flex;
  align-items: center;
  gap: 7px;
}
.topbar-company-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }

/* ---- SCREENS ---- */
.screen { display: none; min-height: calc(100vh - 64px); }
.screen.active { display: block; }

/* ---- LOGIN SCREEN ---- */
#screen-login {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f8f8 60%, #ffe0e0 100%);
  min-height: 100vh;
}
.login-card {
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 52px 44px 44px;
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.login-card img { height: 54px; margin-bottom: 24px; }
.login-card h2 { font-size: 1.45rem; font-weight: 700; color: var(--black); margin-bottom: 6px; text-align: center; }
.login-card p { color: var(--gray); font-size: 0.9rem; margin-bottom: 28px; text-align: center; }
.form-group { width: 100%; margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--gray-mid); margin-bottom: 5px; letter-spacing: 0.04em; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--black);
  background: var(--white);
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--red);
}
.form-row { display: flex; gap: 14px; width: 100%; }
.form-row .form-group { flex: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(229,0,0,0.25); }
.btn-secondary { background: var(--gray-ultra); color: var(--black); border: 1.5px solid var(--gray-light); }
.btn-secondary:hover { background: var(--gray-light); }
.btn-full { width: 100%; justify-content: center; padding: 13px; font-size: 1rem; }
.btn-sm { padding: 7px 14px; font-size: 0.82rem; }
.btn-outline-red { background: transparent; color: var(--red); border: 1.5px solid var(--red); }
.btn-outline-red:hover { background: var(--red); color: var(--white); }
.btn-icon { padding: 8px 12px; }

/* ---- REGISTER SCREEN ---- */
#screen-register {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f8f8 60%, #ffe0e0 100%);
  min-height: 100vh;
}
.register-card {
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 44px;
  width: 100%;
  max-width: 620px;
}
.register-card .card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.register-card .card-header img { height: 44px; }
.register-card h2 { font-size: 1.35rem; font-weight: 700; }

/* ---- DASHBOARD ---- */
#screen-dashboard { padding: 32px 36px; }
.dashboard-header { margin-bottom: 28px; }
.dashboard-header h1 { font-size: 1.55rem; font-weight: 700; color: var(--black); }
.dashboard-header p { color: var(--gray); font-size: 0.92rem; margin-top: 4px; }

.stats-row { display: flex; gap: 18px; margin-bottom: 32px; flex-wrap: wrap; }
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 26px;
  flex: 1;
  min-width: 160px;
  box-shadow: var(--shadow);
  border-left: 4px solid transparent;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card.red { border-left-color: var(--red); }
.stat-card.green { border-left-color: #22c55e; }
.stat-card.yellow { border-left-color: #f59e0b; }
.stat-card.blue { border-left-color: #3b82f6; }
.stat-num { font-size: 2rem; font-weight: 700; color: var(--black); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--gray); font-weight: 500; margin-top: 4px; }
.stat-sub { font-size: 0.75rem; color: var(--gray-light); margin-top: 2px; }

/* TABS */
.main-tabs {
  display: flex;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}
.tab-btn {
  flex: 1;
  padding: 16px 8px;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
  font-family: 'DM Sans', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.tab-btn .tab-icon { font-size: 1.3rem; }
.tab-btn:hover { color: var(--red); background: #fff5f5; }
.tab-btn.active { color: var(--red); border-bottom: 3px solid var(--red); background: #fff5f5; }

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Sub Tabs */
.sub-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.sub-tab-btn {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--gray-mid);
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: all var(--transition);
}
.sub-tab-btn:hover { border-color: var(--red); color: var(--red); }
.sub-tab-btn.active { background: var(--red); color: var(--white); border-color: var(--red); }

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title .badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  background: #fff0f0;
  color: var(--red);
  margin-left: auto;
}

/* Orga Check */
.check-item {
  border: 1.5px solid var(--gray-ultra);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color var(--transition);
}
.check-item:hover { border-color: var(--gray-light); }
.check-item-header { display: flex; align-items: flex-start; gap: 10px; }
.check-num { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: var(--gray); background: var(--gray-ultra); padding: 2px 8px; border-radius: 4px; white-space: nowrap; margin-top: 1px; }
.check-question { font-size: 0.88rem; color: var(--black); flex: 1; line-height: 1.5; }
.check-meta { font-size: 0.75rem; color: var(--gray); margin-top: 6px; font-style: italic; }
.check-controls { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; align-items: center; }
.status-select {
  border: 1.5px solid var(--gray-light);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.8rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--black);
  background: var(--white);
  cursor: pointer;
}
.status-select:focus { outline: none; border-color: var(--red); }
.status-1 { background: #fff7ed; border-color: #fed7aa !important; }
.status-2 { background: #fffbeb; border-color: #fde68a !important; }
.status-3 { background: #f0fdf4; border-color: #86efac !important; }
.status-4 { background: #f5f5f5; border-color: #d4d4d4 !important; }

/* GBU */
.gbu-header { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 2fr 1fr; gap: 10px; font-size: 0.75rem; font-weight: 700; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em; padding: 0 0 8px 0; border-bottom: 2px solid var(--gray-ultra); margin-bottom: 10px; }
.gbu-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 2fr 1fr; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--gray-ultra); align-items: center; }
.gbu-row:last-child { border-bottom: none; }
.gbu-row input, .gbu-row select { border: 1.5px solid var(--gray-light); border-radius: 6px; padding: 6px 9px; font-size: 0.82rem; font-family: 'DM Sans', sans-serif; width: 100%; }
.gbu-row input:focus, .gbu-row select:focus { outline: none; border-color: var(--red); }
.risk-low { color: #16a34a; background: #f0fdf4; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 600; }
.risk-mid { color: #d97706; background: #fffbeb; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 600; }
.risk-high { color: #dc2626; background: #fef2f2; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 600; }

/* Arbeitsmittel / Equipment */
.equipment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.equipment-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  border-top: 4px solid var(--gray-light);
  transition: transform var(--transition);
  cursor: pointer;
}
.equipment-card:hover { transform: translateY(-2px); }
.equipment-card.status-ok { border-top-color: #22c55e; }
.equipment-card.status-due { border-top-color: #f59e0b; }
.equipment-card.status-overdue { border-top-color: var(--red); }
.equipment-icon { font-size: 2rem; margin-bottom: 10px; }
.equipment-name { font-size: 0.95rem; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.equipment-sub { font-size: 0.78rem; color: var(--gray); }
.equipment-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 10px;
}
.badge-ok { background: #dcfce7; color: #16a34a; }
.badge-due { background: #fef9c3; color: #a16207; }
.badge-overdue { background: #fee2e2; color: #dc2626; }

/* Checklist Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 2px solid var(--gray-ultra);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 16px 24px; border-top: 2px solid var(--gray-ultra); display: flex; gap: 10px; justify-content: flex-end; }
.close-btn { font-size: 1.4rem; cursor: pointer; color: var(--gray); background: none; border: none; line-height: 1; }

/* Schulungen / Training */
.employee-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.employee-table th { text-align: left; padding: 10px 12px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--gray); border-bottom: 2px solid var(--gray-ultra); }
.employee-table td { padding: 11px 12px; border-bottom: 1px solid var(--gray-ultra); vertical-align: middle; }
.employee-table tr:last-child td { border-bottom: none; }
.employee-table tr:hover td { background: #fff5f5; }
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.pill-ok { background: #dcfce7; color: #16a34a; }
.pill-due { background: #fef9c3; color: #a16207; }
.pill-overdue { background: #fee2e2; color: #dc2626; }
.pill-none { background: var(--gray-ultra); color: var(--gray); }
.pill-yes { background: #dbeafe; color: #1d4ed8; }

/* Upload area */
.upload-zone {
  border: 2px dashed var(--gray-light);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--gray);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 16px;
}
.upload-zone:hover { border-color: var(--red); color: var(--red); background: #fff5f5; }
.upload-zone .upload-icon { font-size: 2.5rem; margin-bottom: 8px; }
.upload-zone p { font-size: 0.88rem; }
.file-list { display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--gray-ultra);
  border-radius: 8px;
  font-size: 0.85rem;
}
.file-item .file-icon { color: var(--red); font-size: 1.1rem; }
.file-item .file-name { flex: 1; font-weight: 500; }
.file-item .file-size { color: var(--gray); font-size: 0.75rem; }

/* Gefahrstoff table */
.gefahrstoff-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; min-width: 900px; }
.gefahrstoff-table th { padding: 9px 10px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--gray); border-bottom: 2px solid var(--gray-ultra); background: var(--white); text-align: left; }
.gefahrstoff-table td { padding: 10px 10px; border-bottom: 1px solid var(--gray-ultra); vertical-align: middle; }
.gefahrstoff-table input, .gefahrstoff-table select { border: 1px solid var(--gray-light); border-radius: 5px; padding: 5px 8px; font-size: 0.8rem; font-family: 'DM Sans', sans-serif; width: 100%; min-width: 80px; }
.table-scroll { overflow-x: auto; }

/* Checklist items */
.checklist-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--gray-ultra); }
.checklist-item:last-child { border-bottom: none; }
.checklist-cb { width: 18px; height: 18px; border: 2px solid var(--gray-light); border-radius: 4px; cursor: pointer; flex-shrink: 0; margin-top: 1px; accent-color: var(--red); }
.checklist-label { font-size: 0.87rem; color: var(--black); flex: 1; line-height: 1.5; }
.checklist-law { font-size: 0.73rem; color: var(--gray); margin-top: 2px; font-style: italic; }

/* Progress bars */
.progress-bar { height: 6px; background: var(--gray-ultra); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--red); transition: width 0.4s; }

/* Section titles */
.section-title { font-size: 0.75rem; font-weight: 700; color: var(--gray); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--gray-ultra); }

/* Gefahrstoff symbols */
.ghs-badge { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 2px solid #dc2626; border-radius: 4px; font-size: 1rem; transform: rotate(45deg); }
.ghs-badge span { transform: rotate(-45deg); }

/* Online training */
.training-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition);
}
.training-card:hover { transform: translateY(-2px); }
.training-thumb { height: 120px; background: linear-gradient(135deg, var(--black) 0%, var(--gray-dark) 100%); display: flex; align-items: center; justify-content: center; font-size: 3rem; color: var(--white); position: relative; }
.training-thumb .play-btn { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(229,0,0,0.12); opacity: 0; transition: opacity 0.2s; }
.training-card:hover .play-btn { opacity: 1; }
.training-body { padding: 16px; }
.training-title { font-size: 0.92rem; font-weight: 700; margin-bottom: 4px; }
.training-meta { font-size: 0.77rem; color: var(--gray); }
.training-progress { margin-top: 10px; }
.training-progress span { font-size: 0.75rem; color: var(--gray); }
.training-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }

/* Vorsorge */
.vorsorge-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.vorsorge-table th { padding: 9px 12px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; color: var(--gray); border-bottom: 2px solid var(--gray-ultra); text-align: left; }
.vorsorge-table td { padding: 10px 12px; border-bottom: 1px solid var(--gray-ultra); }

/* Notification bell */
.alert-banner {
  background: #fff3cd;
  border: 1.5px solid #ffc107;
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: #856404;
}

/* responsive */
@media (max-width: 768px) {
  .topbar { padding: 0 16px; }
  #screen-dashboard { padding: 16px; }
  .stats-row { flex-direction: column; }
  .tab-btn { font-size: 0.75rem; padding: 12px 4px; }
  .gbu-header, .gbu-row { grid-template-columns: 2fr 1fr 1fr; }
  .gbu-header > *:nth-child(4), .gbu-row > *:nth-child(4),
  .gbu-header > *:nth-child(5), .gbu-row > *:nth-child(5),
  .gbu-header > *:nth-child(6), .gbu-row > *:nth-child(6) { display: none; }
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.tab-pane.active { animation: fadeIn 0.2s ease; }
.sub-tab-content { display: none; }
.sub-tab-content.active { display: block; animation: fadeIn 0.2s ease; }

.divider { height: 1px; background: var(--gray-ultra); margin: 20px 0; }
.text-red { color: var(--red); }
.text-gray { color: var(--gray); }
.fw-bold { font-weight: 700; }
.mt-2 { margin-top: 8px; }
.mb-3 { margin-bottom: 12px; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
</style>