/* ============================================================
   InvoiCzech — Dark Theme CSS
   ============================================================ */

:root {
  --color-bg-primary: #07080f;
  --color-bg-secondary: #0e0f23;
  --color-bg-tertiary: #1a1a3e;
  --color-accent-primary: #6366f1;
  --color-accent-green: #00d68f;
  --color-accent-purple-light: #818cf8;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-border: rgba(99, 102, 241, 0.15);

  --sidebar-width: 240px;
  --topbar-height: 56px;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.5;
}
a { color: var(--color-accent-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-accent-purple-light); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--color-bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2a2a5e; }

/* ---- Selection ---- */
::selection { background: var(--color-accent-primary); color: #fff; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 200;
  gap: 24px;
}
.logo-wordmark {
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.logo-wordmark:hover { text-decoration: none; }
.logo-invoi { color: #f8fafc; }
.logo-dot { color: #00d68f; font-size: 22px; line-height: 1; }
.logo-dot--sm { font-size: 18px; }
.logo-czech { color: #6366f1; }
.logo-short { display: none; }
.topbar-search {
  flex: 1;
  display: flex;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}
.topbar-search-input {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 8px;
  padding: 8px 14px;
  color: var(--color-text-primary);
  font-size: 0.875rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.topbar-search-input::placeholder { color: rgba(148, 163, 184, 0.5); }
.topbar-search-input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.topbar-right {
  flex-shrink: 0;
  width: 80px;
}

/* ============================================================
   Layout
   ============================================================ */
.layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--topbar-height);
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-primary);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  left: 0;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  transition: width 0.25s ease;
}
.sidebar.collapsed { width: 64px; }


/* ---- User section ---- */
.sidebar-user {
  position: relative;
}
.user-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  cursor: pointer;
  transition: background 0.2s ease;
  border-radius: 0;
}
.user-toggle:hover { background: rgba(99, 102, 241, 0.06); }
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}
.user-info {
  flex: 1;
  min-width: 0;
}
.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-email {
  font-size: 11px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-chevron {
  color: var(--color-text-secondary);
  font-size: 16px;
  transform: rotate(90deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  line-height: 1;
}
.sidebar-user.open .user-chevron { transform: rotate(270deg); }
.user-dropdown {
  position: absolute;
  top: 100%;
  left: 16px;
  right: 16px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4px;
  z-index: 300;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: none;
}
.sidebar-user.open .user-dropdown { display: block; }
.user-dropdown-item {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
  border-radius: 6px;
  transition: all 0.2s ease;
}
.user-dropdown-item:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-text-primary);
}

/* ---- Sidebar separator with toggle ---- */
.sidebar-separator {
  display: flex;
  align-items: center;
  margin: 4px 12px;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.2s ease;
}
.sidebar-separator:hover { opacity: 1; }
.separator-line {
  flex: 1;
  height: 1px;
  background: rgba(99, 102, 241, 0.2);
  transition: background 0.2s ease;
}
.sidebar-separator:hover .separator-line {
  background: rgba(99, 102, 241, 0.5);
}
.separator-arrow {
  padding: 0 8px;
  font-size: 14px;
  color: #6366f1;
  transition: transform 0.25s ease;
  line-height: 1;
}
.sidebar.collapsed .separator-arrow { transform: scaleX(-1); }

/* ---- Navigation ---- */
.nav-list {
  list-style: none;
  padding: 8px 0;
  flex: 1;
}
.nav-item { padding: 2px 8px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-decoration: none;
  border-left: 3px solid transparent;
}
.nav-link:hover {
  background: rgba(99, 102, 241, 0.06);
  color: var(--color-text-primary);
  text-decoration: none;
}
.nav-link.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-accent-purple-light);
  border-left-color: var(--color-accent-primary);
  box-shadow: inset 0 0 20px rgba(99, 102, 241, 0.05);
}
.nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-link:hover .nav-icon,
.nav-link.active .nav-icon { opacity: 1; }

/* ---- Collapsed sidebar state ---- */
.sidebar.collapsed .user-toggle {
  justify-content: center;
  padding: 16px 0;
}
.sidebar.collapsed .user-info,
.sidebar.collapsed .user-chevron { display: none; }
.sidebar.collapsed .user-avatar { margin: 0; }
.sidebar.collapsed .user-dropdown {
  left: 8px;
  right: auto;
  width: 180px;
}
.sidebar.collapsed .sidebar-separator { margin: 0 12px; }
.sidebar.collapsed .nav-item { padding: 2px 6px; }
.sidebar.collapsed .nav-link {
  justify-content: center;
  padding: 10px;
  border-left-width: 0;
  position: relative;
}
.sidebar.collapsed .nav-label { display: none; }

/* ---- Tooltip on collapsed nav ---- */
.sidebar.collapsed .nav-link::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  padding: 6px 10px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 400;
}
.sidebar.collapsed .nav-link:hover::after { opacity: 1; }

/* ---- Main content ---- */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: calc(100vh - var(--topbar-height));
  transition: margin-left 0.25s ease;
}
.main-content.sidebar-collapsed { margin-left: 64px; }
.content-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px;
}

/* ============================================================
   Page header
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}
.header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ============================================================
   Alerts / Flash messages
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.9rem;
  border-left: 4px solid transparent;
}
.alert-success { background: rgba(0, 214, 143, 0.1); color: var(--color-accent-green); border-color: var(--color-accent-green); }
.alert-error   { background: rgba(239, 68, 68, 0.1); color: #ef4444; border-color: #ef4444; }
.alert-warning { background: rgba(251, 146, 60, 0.15); color: #fb923c; border-color: #fb923c; }
.alert-info    { background: rgba(99, 102, 241, 0.1); color: var(--color-accent-purple-light); border-color: var(--color-accent-primary); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--color-accent-primary);
  color: #fff;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover { background: var(--color-accent-purple-light); border-color: var(--color-accent-purple-light); }

.btn-secondary {
  background: transparent;
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}
.btn-secondary:hover { background: rgba(99, 102, 241, 0.1); }

.btn-success {
  background: var(--color-accent-green);
  color: var(--color-bg-primary);
  font-weight: 600;
}
.btn-success:hover { background: #00f0a0; }

.btn-danger {
  background: #ef4444;
  color: #fff;
}
.btn-danger:hover { background: #f87171; }
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 6px;
  line-height: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: rgba(99, 102, 241, 0.06); color: var(--color-text-primary); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.badge-lg { font-size: 0.8rem; padding: 5px 14px; }
.badge-vystavena   { background: rgba(99, 102, 241, 0.15); color: var(--color-accent-purple-light); }
.badge-uhrazena    { background: rgba(0, 214, 143, 0.15); color: var(--color-accent-green); }
.badge-stornova    { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.badge-po-splatnosti { background: rgba(251, 146, 60, 0.15); color: #fb923c; }
.badge-neutral     { background: rgba(99, 102, 241, 0.1); color: var(--color-text-secondary); border: 1px solid var(--color-border); }

/* ============================================================
   Tables
   ============================================================ */
.table-wrapper {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.08);
  vertical-align: middle;
}
.table-hover tbody tr { transition: background 0.2s ease; }
.table-hover tbody tr:hover td { background: rgba(99, 102, 241, 0.06); }
.table tfoot td {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  border-top: 1px solid var(--color-border);
}

.text-right { text-align: right !important; }
.text-muted { color: var(--color-text-secondary); }
.text-secondary { color: var(--color-text-secondary); }
.text-danger { color: #ef4444; }
.font-medium { font-weight: 600; color: var(--color-accent-green); font-family: ui-monospace, "SF Mono", monospace; }
.link-strong { font-weight: 600; color: var(--color-accent-purple-light); font-family: ui-monospace, "SF Mono", monospace; }
.link-strong:hover { color: var(--color-accent-primary); }

.row-danger td { background: rgba(239, 68, 68, 0.06) !important; }
.actions { white-space: nowrap; text-align: right; display: flex; gap: 6px; align-items: center; justify-content: flex-end; }

/* ============================================================
   Forms
   ============================================================ */
.form-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.form-section {
  padding: 28px;
  border-bottom: 1px solid var(--color-border);
}
.form-section:last-child { border-bottom: none; }
.form-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text-primary);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.form-row:last-child { margin-bottom: 0; }
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}
.form-group-lg { flex: 2; min-width: 220px; }
.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.form-control {
  padding: 10px 14px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-control::placeholder { color: rgba(148, 163, 184, 0.5); }
select.form-control {
  cursor: pointer;
  appearance: auto;
}
textarea.form-control { resize: vertical; min-height: 70px; }
.form-control-sm { padding: 7px 10px; font-size: 0.8rem; }
.form-group-check { flex-direction: row; align-items: center; }
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text-primary);
}
.check-label input[type=checkbox] { width: 15px; height: 15px; cursor: pointer; accent-color: var(--color-accent-primary); }

.input-group {
  display: flex;
  gap: 8px;
}
.input-group .form-control { flex: 1; }

.form-actions {
  padding: 20px 28px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border);
}

/* Width helpers */
.w-16 { width: 60px !important; flex: none !important; }
.w-20 { width: 70px !important; flex: none !important; }
.w-24 { width: 85px !important; flex: none !important; }
.w-28 { width: 100px !important; flex: none !important; }
.w-32 { width: 115px !important; flex: none !important; }

/* ============================================================
   Items table (forms)
   ============================================================ */
.items-table th, .items-table td { padding: 8px 10px; }
.items-table .form-control { padding: 7px 9px; }
.items-actions { margin-top: 12px; }
.totals-box {
  margin-top: 16px;
  margin-left: auto;
  width: 300px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}
.totals-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 4px 0;
  color: var(--color-text-secondary);
}
.totals-row-total {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-accent-green);
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
  margin-top: 4px;
}

/* ============================================================
   Filter bar
   ============================================================ */
.filter-bar {
  margin-bottom: 16px;
}
.filter-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-form .form-control { max-width: 220px; }

/* ============================================================
   Detail view
   ============================================================ */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}
.detail-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: box-shadow 0.2s ease;
}
.detail-card:hover {
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}
.detail-card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.detail-contact { font-size: 0.9rem; line-height: 1.7; color: var(--color-text-primary); }
.detail-contact strong { font-size: 1rem; display: block; margin-bottom: 2px; }
.detail-table {
  width: 100%;
  font-size: 0.875rem;
  border-collapse: collapse;
}
.detail-table th {
  width: 45%;
  padding: 6px 0;
  font-weight: 500;
  color: var(--color-text-secondary);
  vertical-align: top;
  text-align: left;
  background: transparent;
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.875rem;
  border-bottom: none;
}
.detail-table td {
  padding: 6px 0;
  font-weight: 500;
  color: var(--color-text-primary);
  border-bottom: none;
}
.mt-4 { margin-top: 16px; }

/* VAT summary in detail */
.vat-summary {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 20px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.vat-table-wrap { min-width: 350px; }
.vat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.vat-table th, .vat-table td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.08);
  text-align: right;
}
.vat-table th:first-child, .vat-table td:first-child { text-align: left; }
.grand-total {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  min-width: 180px;
}
.grand-total-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent-green);
  font-family: ui-monospace, "SF Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.action-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.detail-actions-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.inline-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ============================================================
   Dashboard
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  border-left: 3px solid var(--color-accent-primary);
  transition: all 0.2s ease;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}
.stat-card--warning { border-left-color: #fb923c; }
.stat-card--danger  { border-left-color: #ef4444; }
.stat-card--info    { border-left-color: var(--color-accent-primary); }
.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-value--income { color: var(--color-accent-green); }
.stat-sub {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.section { margin-bottom: 24px; }
.section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}
.dashboard-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* ============================================================
   Exports page
   ============================================================ */
.export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.export-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.export-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.export-card h2 { font-size: 1rem; font-weight: 700; color: var(--color-text-primary); }
.export-form { margin-top: 16px; }
.info-box {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.875rem;
  color: var(--color-accent-purple-light);
}
.mb-4 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 8px; }
.mt-2 { margin-top: 8px; }
.hidden { display: none !important; }

/* ============================================================
   Login page
   ============================================================ */
.login-page {
  background: var(--color-bg-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  padding: 40px 36px;
}
.login-header {
  text-align: center;
  margin-bottom: 32px;
}
.login-header img { max-width: 100%; height: auto; }
.login-logo {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.brand-invoi { color: var(--color-text-primary); }
.brand-dot { color: #00d68f; font-size: 36px; line-height: 1; }
.brand-czech { color: var(--color-accent-primary); }
.login-header p { color: var(--color-text-secondary); font-size: 0.9rem; }
.login-form .form-group { margin-bottom: 16px; }
.login-form .form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ============================================================
   Empty state
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary);
}
.empty-state p { margin-bottom: 16px; font-size: 1rem; }

/* ============================================================
   Activity stats (contact detail)
   ============================================================ */
.activity-stats {
  display: flex;
  gap: 24px;
  font-size: 0.9rem;
}
.activity-stats .stat-label {
  text-transform: none;
  font-size: 0.875rem;
  letter-spacing: 0;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .topbar { padding: 0 12px; }
  .topbar-search { display: none; }
  .topbar-right { display: none; }
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .detail-grid, .export-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { flex-direction: column; }
  .filter-form { flex-direction: column; }
}