:root {
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-text: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --brand: #4f46e5;
  --brand-hover: #4338ca;
  --brand-soft: #eef2ff;
  --emerald: #059669;
  --emerald-soft: #ecfdf5;
  --amber: #d97706;
  --amber-soft: #fffbeb;
  --rose: #e11d48;
  --rose-soft: #fff1f2;
  --whatsapp: #16a34a;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, 0.16);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.num {
  font-variant-numeric: tabular-nums;
}

/* App Shell */
.app-shell {
  display: grid;
  grid-template-columns: 256px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--sidebar-bg);
  color: #fff;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.plan-pill {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  cursor: pointer;
}

.plan-pill.pro {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}

.plan-pill.agency {
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff;
}

.sidebar-cta {
  width: 100%;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.sidebar-cta:hover {
  filter: brightness(1.07);
  transform: translateY(-1px);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.nav-btn {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-btn:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.nav-btn.active {
  background: rgba(99, 102, 241, 0.18);
  color: #fff;
  font-weight: 600;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.nav-badge.accent {
  background: rgba(16, 185, 129, 0.22);
  color: #6ee7b7;
}

.sidebar-footer {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 12.5px;
  color: #94a3b8;
}

.usage-bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  margin: 8px 0 10px;
  overflow: hidden;
}

.usage-bar-fill {
  height: 100%;
  background: #6366f1;
  border-radius: 999px;
  transition: width 0.25s ease;
}

.upgrade-mini-btn {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
}

.upgrade-mini-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Main Workspace */
.main-area {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-title h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topbar-title p {
  font-size: 12.5px;
  color: var(--text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.market-segmented {
  display: inline-flex;
  background: var(--bg-subtle);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.market-btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.market-btn.active {
  background: #fff;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.content-wrap {
  padding: 24px 28px 48px;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn:hover {
  background: var(--bg-subtle);
  border-color: var(--border-strong);
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
}

.btn-success {
  background: var(--emerald);
  border-color: var(--emerald);
  color: #fff;
}

.btn-success:hover {
  filter: brightness(0.95);
}

.btn-whatsapp {
  background: var(--whatsapp);
  border-color: var(--whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  filter: brightness(0.95);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 7px;
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.kpi-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.kpi-sub {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Card & Table */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-header h2 {
  font-size: 15.5px;
  font-weight: 700;
}

.filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.filter-pill.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: #fff;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  padding: 11px 16px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #fcfdff;
}

.doc-num {
  font-weight: 700;
  color: var(--text-primary);
}

.doc-type-tag {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 5px;
  margin-left: 6px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: capitalize;
}

.status-paid {
  background: var(--emerald-soft);
  color: var(--emerald);
}

.status-partial,
.status-approved {
  background: var(--amber-soft);
  color: var(--amber);
}

.status-overdue {
  background: var(--rose-soft);
  color: var(--rose);
}

.status-sent,
.status-draft {
  background: var(--brand-soft);
  color: var(--brand);
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Voice AI Studio Layout */
.studio-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 22px;
  align-items: start;
}

.voice-box {
  background: linear-gradient(145deg, #0f172a, #1e1b4b);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-md);
}

.voice-box-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.voice-box-top h3 {
  font-size: 15.5px;
  font-weight: 700;
}

.mic-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: #ef4444;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.45);
  transition: transform 0.15s ease;
}

.mic-btn.recording {
  animation: pulseMic 1.2s infinite;
  background: #dc2626;
}

@keyframes pulseMic {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.voice-textarea {
  width: 100%;
  min-height: 92px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  margin-bottom: 12px;
}

.voice-textarea::placeholder {
  color: #94a3b8;
}

.voice-textarea:focus {
  outline: none;
  border-color: #818cf8;
  background: rgba(255, 255, 255, 0.12);
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.preset-chip {
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  cursor: pointer;
  transition: background 0.15s;
}

.preset-chip:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* Form Controls */
.editor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text-primary);
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.line-items-editor {
  margin: 14px 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #f8fafc;
}

.line-item-row {
  display: grid;
  grid-template-columns: 1fr 84px 70px 104px 34px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.line-item-row input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 13px;
  background: #fff;
}

.remove-item-btn {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--rose);
  cursor: pointer;
  font-weight: 700;
}

/* Branded Invoice Paper Preview */
.invoice-paper-wrap {
  position: sticky;
  top: 82px;
}

.invoice-paper {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.paper-accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--brand);
}

.paper-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
  padding-top: 4px;
}

.paper-biz-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.paper-meta-text {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
}

.paper-doc-badge {
  text-align: right;
}

.paper-doc-type {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.paper-parties {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.paper-items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
}

.paper-items-table th {
  background: #f8fafc;
  padding: 8px 10px;
  font-size: 11px;
}

.paper-items-table td {
  padding: 10px;
  font-size: 13px;
  border-bottom: 1px solid #f1f5f9;
}

.paper-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 230px;
  gap: 20px;
  align-items: start;
}

.qr-payment-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.qr-svg-holder {
  width: 96px;
  height: 96px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-svg-holder svg {
  width: 100%;
  height: 100%;
}

.totals-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.totals-row.grand {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  padding-top: 8px;
  margin-top: 4px;
  border-top: 2px solid var(--text-primary);
}

.totals-row.deposit-highlight {
  background: var(--amber-soft);
  color: #92400e;
  padding: 6px 8px;
  border-radius: 6px;
  font-weight: 700;
  margin-top: 4px;
}

.watermark-footer {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
}

/* SaaS Storefront & Pricing View */
.pricing-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 22px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.roi-calc-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 20px;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--brand);
  box-shadow: var(--shadow-md);
}

.popular-ribbon {
  position: absolute;
  top: -11px;
  right: 20px;
  background: var(--brand);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.price-big {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-backdrop.open {
  display: flex;
}

.modal-panel {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.modal-panel.wide {
  max-width: 820px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.toast {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background: #0f172a;
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 200;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1080px) {
  .studio-grid,
  .pricing-hero,
  .pricing-cards-grid {
    grid-template-columns: 1fr;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .invoice-paper-wrap {
    position: static;
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
  }
  .paper-bottom-grid,
  .paper-parties,
  .form-grid-2,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .topbar {
    padding: 12px 14px;
  }
  .content-wrap {
    padding: 16px 14px 40px;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .line-item-row {
    grid-template-columns: 1fr 1fr;
    background: #fff;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
  }
  .line-item-row input[data-field="description"] {
    grid-column: 1 / -1;
  }
  .line-items-header-row {
    display: none !important;
  }
}

.status-verification_pending {
  background: var(--amber-soft);
  color: var(--amber);
}

.status-cancelled {
  background: #e2e8f0;
  color: #475569;
  text-decoration: line-through;
}

.status-approved {
  background: var(--emerald-soft);
  color: var(--emerald);
}

.voice-alert-banner {
  border-radius: 10px;
  padding: 10px 13px;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.45;
}

.voice-alert-banner.error {
  background: rgba(244, 63, 94, 0.2);
  border: 1px solid rgba(251, 113, 133, 0.55);
  color: #ffe4e6;
}

.voice-alert-banner.warning {
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(251, 191, 36, 0.5);
  color: #fef3c7;
}

/* Auth Overlay & PWA Install */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top right, #1e1b4b 0%, #0f172a 65%);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 150;
  overflow-y: auto;
}

.auth-overlay.open {
  display: flex;
}

.auth-card {
  background: #fff;
  border-radius: 18px;
  max-width: 440px;
  width: 100%;
  padding: 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.45);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: 10px;
  margin-bottom: 18px;
}

.auth-tab-btn {
  border: none;
  background: transparent;
  padding: 8px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
}

.auth-tab-btn.active {
  background: #fff;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Clean Print / PDF Export */
@media print {
  body {
    background: #fff !important;
  }
  .sidebar,
  .topbar,
  .no-print,
  .toast,
  .auth-overlay {
    display: none !important;
  }
  body.modal-print-active .app-shell {
    display: none !important;
  }
  body.modal-print-active .modal-backdrop:not(#previewModal) {
    display: none !important;
  }
  body.modal-print-active #previewModal {
    display: block !important;
    position: static !important;
    background: #fff !important;
    padding: 0 !important;
  }
  .app-shell,
  .main-area,
  .content-wrap {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .modal-panel {
    box-shadow: none !important;
    max-width: 100% !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0 !important;
  }
  .invoice-paper {
    box-shadow: none !important;
    border: 1px solid #cbd5e1 !important;
    padding: 18px !important;
    break-inside: avoid;
  }
  .paper-bottom-grid,
  .totals-stack {
    break-inside: avoid;
  }
}