/* ── Assets Sub-Tab Navigation ── */
.assets-subtabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.subtab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  transition: color .12s;
  white-space: nowrap;
}
.subtab-btn:hover { color: var(--text); }
.subtab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Drawer (slide-in panel) ── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 100;
  animation: fadeIn .15s ease-out;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(640px, 90vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  z-index: 101;
  animation: slideIn .2s ease-out;
  padding: 24px;
}
@keyframes slideIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.drawer-header h3 { font-size: 16px; font-weight: 700; }
.drawer-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.drawer-close:hover { border-color: var(--red); color: var(--red); }
.drawer-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.drawer-section:last-child { border-bottom: none; }
.drawer-section h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-bottom: 12px;
}

/* ── Form Styles ── */
.form-group { margin-bottom: 14px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .3px;
  margin-bottom: 5px;
}
.form-input, .form-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color .12s;
}
.form-input:focus, .form-select:focus { border-color: var(--accent); }
.form-input:disabled, .form-select:disabled { opacity: .5; cursor: not-allowed; }
.form-hint {
  font-size: 11px;
  color: var(--muted);
  margin-top: 3px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* ── Alert Styles ── */
.alert {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-error {
  background: rgba(248,113,113,.1);
  border: 1px solid rgba(248,113,113,.25);
  color: var(--red);
}
.alert-warning {
  background: rgba(251,191,36,.1);
  border: 1px solid rgba(251,191,36,.25);
  color: var(--yellow);
}
.alert-info {
  background: rgba(79,156,249,.1);
  border: 1px solid rgba(79,156,249,.25);
  color: var(--accent);
}

/* ── Toast Container ── */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  pointer-events: auto;
  animation: toastIn .2s ease-out;
  max-width: 360px;
}
.toast.toast-success { border-left: 3px solid var(--green); }
.toast.toast-error   { border-left: 3px solid var(--red); }
.toast.toast-info    { border-left: 3px solid var(--accent); }
.toast.toast-out {
  animation: toastOut .3s ease-in forwards;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}

/* ── Approval Modal ── */
.approval-diff {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: 13px;
  max-height: 300px;
  overflow-y: auto;
}
.approval-diff .diff-field {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.approval-diff .diff-field:last-child { border-bottom: none; }
.approval-diff .diff-old { color: var(--red); text-decoration: line-through; }
.approval-diff .diff-new { color: var(--green); }
.approval-banner {
  background: rgba(251,191,36,.1);
  border: 1px solid rgba(251,191,36,.25);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--yellow);
  margin-bottom: 12px;
}
.approval-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.approval-timer {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

/* ── Wizard Styles ── */
.wizard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.wizard-header h3 { font-size: 16px; font-weight: 700; }
.wizard-steps {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
}
.wizard-step {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  cursor: default;
}
.wizard-step.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.wizard-step.completed {
  color: var(--green);
  border-bottom-color: var(--green);
}
.wizard-body { min-height: 300px; }
.wizard-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── Data Table Enhancements ── */
.assets-table { width: 100%; border-collapse: collapse; }
.assets-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.assets-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
.assets-table tbody tr { cursor: pointer; }
.assets-table tbody tr:hover td { background: rgba(255,255,255,.025); }
.assets-table tbody tr:last-child td { border-bottom: none; }

/* ── Traffic Light Badges ── */
.nk-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}
.nk-badge-green  { background: rgba(74,222,128,.15); color: var(--green); }
.nk-badge-yellow { background: rgba(251,191,36,.15); color: var(--yellow); }
.nk-badge-red    { background: rgba(248,113,113,.15); color: var(--red); }

/* ── Error highlight for bulk readings ── */
.error-highlight td {
  background: rgba(248,113,113,.08) !important;
}
.error-highlight .inline-error {
  color: var(--red);
  font-size: 11px;
  margin-top: 4px;
}

/* ── Property Cards Grid ── */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.property-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
  cursor: pointer;
  transition: border-color .12s;
}
.property-card:hover { border-color: var(--accent); }
.property-card.ownership-ended {
  opacity: .6;
  border-color: var(--border);
}
.property-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.property-card-header h4 { font-size: 15px; font-weight: 600; }
.property-card-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 13px;
}
.property-card-meta .label { color: var(--muted); }

/* ── IBAN Masked ── */
.iban-masked {
  font-family: monospace;
  letter-spacing: .5px;
}
.iban-reveal {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 11px;
  cursor: pointer;
  padding: 0 4px;
}
.iban-reveal:hover { text-decoration: underline; }

/* ── Slider (heating split) ── */
.range-slider {
  width: 100%;
  accent-color: var(--accent);
}

/* ── Status Badges for Obligations ── */
.status-pending    { background: rgba(79,156,249,.12); color: var(--accent); }
.status-active_run { background: rgba(251,191,36,.12); color: var(--yellow); }
.status-served     { background: rgba(74,222,128,.12); color: var(--green); }
.status-expired    { background: rgba(248,113,113,.12); color: var(--red); }
.status-not_applicable { background: rgba(255,255,255,.06); color: var(--muted); }

/* ── Search Input ── */
.search-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  width: 240px;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--muted); }

/* ── Filters Row ── */
.filters-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filter-select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--text);
  font-size: 12px;
  font-family: var(--font);
  outline: none;
}
.filter-select:focus { border-color: var(--accent); }

/* ── Fleet TUeV Status ── */
.tuev-green  { color: var(--green); }
.tuev-yellow { color: var(--yellow); }
.tuev-red    { color: var(--red); }
.tuev-none   { color: var(--muted); }

/* ── Legacy-Marker Banner ── */
.legacy-banner {
  background: rgba(251,191,36,.08);
  border: 1px solid rgba(251,191,36,.2);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--yellow);
  margin-bottom: 16px;
}