/* ═══════════════════════════════════════════════════════════════
   MEMA INVOICE — App Shell (Sidebar, Dashboard, Tables, Modal)
   Swiss · Apple · Industrial Design System
   ═══════════════════════════════════════════════════════════════ */

:root {
  --sidebar-width: 240px;
  --header-height: 64px;
}

body {
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: #fff;
  border-right: 1px solid var(--c-border-light, #E8E8ED);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 200;
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 10px;
  border-bottom: 1px solid var(--c-border-light, #E8E8ED);
}

.sidebar-nav {
  flex: 1;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--c-text-sec, #86868B);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background: var(--c-bg, #F5F5F7);
  color: var(--c-text, #1D1D1F);
}

.nav-item.active {
  background: rgba(0, 113, 227, 0.06);
  color: #0071E3;
}

.nav-item svg { flex-shrink: 0; }

/* ── Main Content ───────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--c-bg, #F5F5F7);
}

/* ── Page Header ────────────────────────────────────────────── */
.page-header {
  padding: 32px 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text, #1D1D1F);
}

/* ── Dashboard ──────────────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 28px 40px;
}

.stat-card {
  background: #fff;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.stat-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  transform: translateY(-2px);
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-text-ter, #AEAEB2);
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--c-text, #1D1D1F);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* ── Data Tables ────────────────────────────────────────────── */
.table-container {
  padding: 0 40px 40px;
}

.data-table {
  width: 100%;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

.data-table th {
  background: #fafafa;
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-text-sec, #86868B);
  border-bottom: 1px solid var(--c-border-light, #E8E8ED);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--c-border-light, #E8E8ED);
  font-size: 13px;
  color: var(--c-text, #1D1D1F);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover td { background: rgba(0, 113, 227, 0.02); }

/* ── Status Pills ────────────────────────────────────────────── */
.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status-pill--paid { background: rgba(48, 209, 88, 0.1); color: #30D158; }
.status-pill--sent { background: rgba(0, 113, 227, 0.1); color: #0071E3; }
.status-pill--overdue { background: rgba(255, 59, 48, 0.1); color: #FF3B30; }
.status-pill--draft { background: rgba(134, 134, 139, 0.1); color: #86868B; }

/* ═══════════════════════════════════════════════════════════════
   FILTER BAR — Search + Status Filter
   ═══════════════════════════════════════════════════════════════ */
.filter-bar {
  display: flex;
  gap: 12px;
  padding: 24px 40px 0;
  align-items: center;
}

.filter-bar .search-input {
  flex: 1;
  max-width: 360px;
  height: 38px;
  padding: 0 14px 0 38px !important;
  margin: 0 !important;
  border: 1px solid var(--c-border, #D2D2D7) !important;
  border-radius: 10px !important;
  font-family: 'Inter', -apple-system, sans-serif !important;
  font-size: 13px !important;
  color: var(--c-text, #1D1D1F) !important;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") 12px center no-repeat !important;
  outline: none !important;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none !important;
  appearance: none !important;
}

.filter-bar .search-input:focus {
  border-color: #0071E3 !important;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.08) !important;
}

.filter-bar .search-input::placeholder {
  color: var(--c-text-ter, #AEAEB2);
}

.filter-bar .filter-select {
  height: 38px;
  padding: 0 12px !important;
  margin: 0 !important;
  border: 1px solid var(--c-border, #D2D2D7) !important;
  border-radius: 10px !important;
  font-family: 'Inter', -apple-system, sans-serif !important;
  font-size: 13px !important;
  color: var(--c-text, #1D1D1F) !important;
  background: #fff !important;
  outline: none !important;
  cursor: pointer;
  min-width: 140px;
  -webkit-appearance: none !important;
  appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  padding-right: 32px !important;
}

.filter-bar .filter-select:focus {
  border-color: #0071E3 !important;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.08) !important;
}

/* ═══════════════════════════════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════════════════════════════ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  text-align: center;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.empty-state svg {
  margin-bottom: 20px;
  opacity: 0.25;
  color: var(--c-text-sec, #86868B);
}

.empty-state-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text-sec, #86868B);
  margin-bottom: 8px;
}

.empty-state-text {
  font-size: 13px;
  color: var(--c-text-ter, #AEAEB2);
  margin-bottom: 24px;
  max-width: 340px;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════
   MODAL — Client Create/Edit
   ═══════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: modalFadeIn 0.2s ease;
  padding: 24px;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal {
  background: #fff;
  padding: 32px;
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 4px 16px rgba(0,0,0,0.08);
  animation: modalSlideUp 0.25s ease;
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-text, #1D1D1F);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-text-sec, #86868B);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100% !important;
  padding: 10px 14px !important;
  margin: 0 !important;
  border: 1px solid var(--c-border, #D2D2D7) !important;
  border-radius: 10px !important;
  font-family: 'Inter', -apple-system, sans-serif !important;
  font-size: 14px !important;
  color: var(--c-text, #1D1D1F) !important;
  background: #fff !important;
  outline: none !important;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none !important;
  appearance: none !important;
  line-height: 1.5 !important;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
  border-color: #0071E3 !important;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.08) !important;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-ter, #AEAEB2) !important;
}

.form-group textarea {
  resize: vertical;
  min-height: 70px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border-light, #E8E8ED);
}

/* ── Editor Sidebar Control ─────────────────────────────────── */
body.no-sidebar .sidebar { display: none !important; }
body.no-sidebar .main-content { margin-left: 0; }

.editor-view .invoice-wrapper { padding-top: 20px; }

/* ── Hide mobile hamburger (desktop only) ───────────────────── */
.mobile-only { display: none !important; }

/* ── Print ──────────────────────────────────────────────────── */
@media print {
  .sidebar, .page-header, .filter-bar { display: none !important; }
  .main-content { margin-left: 0 !important; }
}