/* =========================================================
   InvoiceDLT SPA — spa.css
   Extends app.css for the single-page app layout
   ========================================================= */

/* ---- Sidebar: wider for SPA ---- */
.spa-sidebar {
  width: 240px;
  padding: max(20px, env(safe-area-inset-top)) 16px 16px;
  overflow-y: auto;
}

.spa-sidebar .logo {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  padding: 0 4px;
  text-align: left;
  color: #fff;
}

.spa-sidebar .sidebar-nav {
  margin-top: 0;
}

.spa-sidebar .sidebar-link {
  font-size: 13px;
  padding: 10px 12px;
  gap: 12px;
}

.spa-sidebar .sidebar-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Sign out button styling */
.btn-signout {
  color: var(--sidebar-text) !important;
  font-size: 13px !important;
  gap: 12px !important;
}
.btn-signout:hover {
  color: var(--danger) !important;
  background: var(--danger-dim) !important;
}

/* ---- Loading state ---- */
.spa-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}
.spa-loading-inner {
  text-align: center;
  color: var(--muted);
}
.spa-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- View transitions ---- */
.view-enter {
  animation: viewFadeIn 0.18s ease;
}
@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Toast positioning ---- */
.toast-wrap {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.2s ease, toastOut 0.3s ease 2.4s forwards;
  pointer-events: none;
  max-width: 360px;
}
.toast-success {
  background: var(--success);
  color: #fff;
}
.toast-danger {
  background: var(--danger);
  color: #fff;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(8px); }
}

/* ---- Settings view ---- */
.settings-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--card);
}
.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.settings-section-header:hover {
  background: var(--bg2);
}
.settings-section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.settings-section-arrow {
  font-size: 18px;
  color: var(--muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.settings-section.open .settings-section-arrow {
  transform: rotate(90deg);
}
.settings-section-body {
  display: none;
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}
.settings-section.open .settings-section-body {
  display: block;
}

/* ---- Wallet view ---- */
.payment-method-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.payment-method-toggle:last-child { border-bottom: none; }
.payment-method-info { display: flex; align-items: center; gap: 12px; }
.payment-method-badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.pm-stable { background: var(--success-dim); color: var(--success); }
.pm-xrp { background: var(--accent-dim); color: var(--accent-dark); }
.pm-custom { background: var(--bg3); color: var(--muted); }

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ---- Invoice create — line items ---- */
.line-items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 8px;
}
.line-items-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  background: transparent;
}
.line-items-table td {
  padding: 6px 4px;
  vertical-align: middle;
  border-bottom: none;
}
.line-items-table tr:hover td { background: transparent; }
.line-item-row td { padding: 6px 4px; }
.line-item-row input, .line-item-row select {
  padding: 7px 8px;
  font-size: 14px;
  min-height: 36px;
}
.line-item-subtotal {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 4px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), background var(--transition);
}
.btn-icon:hover { color: var(--danger); background: var(--danger-dim); }

/* ---- Discount row ---- */
.discount-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.discount-type-selector {
  display: flex;
  gap: 8px;
}
.discount-type-selector label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  margin: 0;
}

/* ---- Totals summary ---- */
.invoice-totals {
  max-width: 340px;
  margin-left: auto;
}
.invoice-totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.invoice-totals-row:last-child {
  border-bottom: none;
  font-weight: 700;
  font-size: 16px;
  padding-top: 12px;
}

/* ---- Table filter bar ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-bar input[type="search"],
.filter-bar input[type="text"] {
  max-width: 280px;
  min-height: 40px;
  font-size: 14px;
  padding: 8px 12px;
}
.filter-bar select {
  max-width: 160px;
  min-height: 40px;
  font-size: 14px;
  padding: 8px 12px;
}

/* ---- Tier badges ---- */
.tier-pro { background: var(--accent-dim); color: var(--accent-dark); }
.tier-business { background: var(--warning-dim); color: var(--warning); }
.tier-enterprise { background: var(--success-dim); color: var(--success); }

/* ---- Action icon buttons in tables ---- */
.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  border-radius: var(--radius);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), background var(--transition);
}
.action-btn:hover { color: var(--text); background: var(--bg2); }
.action-btn.danger:hover { color: var(--danger); background: var(--danger-dim); }

/* ---- Mobile overrides ---- */
@media (max-width: 767px) {
  .spa-sidebar {
    width: 240px;
    position: fixed;
    left: -240px;
    top: 0;
    bottom: 0;
    z-index: 120;
    transition: left 0.25s ease;
  }
  .spa-sidebar.open {
    left: 0;
  }
  .invoice-totals {
    max-width: 100%;
  }
  .discount-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 768px) {
  .main-area {
    /* sidebar is 240px */
    max-width: calc(100vw - 240px);
  }
}

/* ── Settings Card Grid ──────────────────────────────── */
.settings-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 860px;
}

@media (max-width: 640px) {
  .settings-card-grid { grid-template-columns: 1fr; }
}

.settings-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 20px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.12s;
}

.settings-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(46,200,200,0.12);
  transform: translateY(-1px);
}

.settings-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim, rgba(46,200,200,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.settings-card-body { flex: 1; min-width: 0; }

.settings-card-title {
  font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.settings-card-desc {
  font-size: 0.8rem;
  color: var(--muted, #6b7280);
  line-height: 1.45;
}

.settings-card-arrow {
  flex-shrink: 0;
  color: var(--muted, #6b7280);
  transition: color 0.18s, transform 0.18s;
}

.settings-card:hover .settings-card-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ── Sidebar hover dropdown ─────────────────────────── */
.sidebar-dropdown:hover > .sidebar-submenu {
  display: block;
}