/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 7px var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn:focus-visible {
  outline: 2px solid var(--color-info);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — black like Shopify */
.btn-primary {
  background: #1a1a1a;
  color: #ffffff;
  border-color: #1a1a1a;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 1px 2px rgba(0,0,0,0.2);
}
.btn-primary:hover { background: #2a2a2a; border-color: #2a2a2a; }
.btn-primary:active { background: #000; border-color: #000; }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 1px 2px rgba(0,0,0,0.15);
}
.btn-danger:hover { background: #c02a0b; border-color: #c02a0b; }

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}
.btn-success:hover { background: #006e52; border-color: #006e52; }

.btn-warn {
  background: var(--color-warn);
  color: #ffffff;
  border-color: var(--color-warn);
}
.btn-warn:hover { background: #9e7500; border-color: #9e7500; }

.btn-purple {
  background: var(--color-purple);
  color: #fff;
  border-color: var(--color-purple);
}
.btn-purple:hover { background: #5a16d4; border-color: #5a16d4; }

/* Outline — Shopify secondary style */
.btn-outline {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 1px 2px rgba(0,0,0,0.07);
}
.btn-outline:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

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

.btn-sm {
  padding: 4px var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 10px var(--space-6);
  font-size: var(--font-size-base);
}

.btn-block { width: 100%; }

/* ─── Form Controls ─────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-4); }

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-base);
  padding: 8px var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-info);
  box-shadow: 0 0 0 3px rgba(0,91,211,0.12), inset 0 1px 2px rgba(0,0,0,0.05);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-muted); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238c9196' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: var(--line-height-relaxed);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.card-body { padding: var(--space-5); }

/* ─── KPI Cards ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-xs);
}

.kpi-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--space-2);
}

.kpi-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.02em;
}

/* ─── Tables ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }

.table thead tr { border-bottom: 1px solid var(--color-border); }

.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  background: var(--color-surface-2);
}

.table td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table tbody tr:hover td { background: var(--color-surface-2); }
.table tbody tr:last-child td { border-bottom: none; }

.table-empty {
  text-align: center;
  color: var(--color-muted);
  padding: var(--space-12) var(--space-4) !important;
  font-size: var(--font-size-base);
}

/* ─── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-weight-semibold);
  text-transform: capitalize;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.badge-free       { background: #f6f6f7; color: #6d7175; border: 1px solid #e1e3e5; }
.badge-starter    { background: #e5f0ff; color: #005bd3; }
.badge-pro        { background: #f0ebff; color: #6a21f5; }
.badge-enterprise { background: #fff5e0; color: #b98900; }
.badge-exempt     { background: #e3f9e9; color: #008060; }

.badge-active     { background: #e3f9e9; color: #008060; }
.badge-cancelled  { background: #fff0ed; color: #d72c0d; }
.badge-expired    { background: #f6f6f7; color: #6d7175; border: 1px solid #e1e3e5; }
.badge-trial      { background: #e5f0ff; color: #005bd3; }
.badge-pending    { background: #fff5e0; color: #b98900; }

.badge-paid       { background: #e3f9e9; color: #008060; }
.badge-failed     { background: #fff0ed; color: #d72c0d; }
.badge-created    { background: #fff5e0; color: #b98900; }

.badge-monthly    { background: #e5f0ff; color: #005bd3; }
.badge-yearly     { background: #f0ebff; color: #6a21f5; }

/* ─── Spinner ───────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-text);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

.spinner-sm { width: 14px; height: 14px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

@keyframes spin { to { transform: rotate(360deg); } }

.loading-row td { padding: var(--space-10) !important; text-align: center; }

/* ─── Alerts ────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

.alert-error   { background: #fff0ed; border: 1px solid #f8c0b2; color: #7e2e19; }
.alert-success { background: #e3f9e9; border: 1px solid #95d2ab; color: #1a5231; }
.alert-warn    { background: #fff5e0; border: 1px solid #f0c93a; color: #5e4200; }
.alert-info    { background: #e5f0ff; border: 1px solid #93c2ff; color: #003285; }

/* ─── Modals ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: var(--modal-max-width);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px) scale(0.99);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal-lg { max-width: var(--modal-max-width-lg); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  line-height: 1;
}

.modal-close:hover { color: var(--color-text); background: var(--color-surface-2); }

.modal-body { padding: var(--space-6); }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* ─── Toggle Switch ─────────────────────────────────────────── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border-strong);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle input:checked + .toggle-slider { background: var(--color-success); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ─── Action Row ────────────────────────────────────────────── */
.action-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ─── Settings sections ─────────────────────────────────────── */
.settings-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-xs);
}

.settings-section-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

/* ─── Tabs ──────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

/* ─── Revenue Chart ─────────────────────────────────────────── */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 140px;
  padding: 0 var(--space-1);
}

.chart-bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  background: #e3f9e9;
  border: 1px solid #95d2ab;
  border-radius: 3px 3px 0 0;
  min-height: 4px;
  transition: background var(--transition-fast);
  cursor: default;
}

.chart-bar:hover { background: var(--color-success); border-color: var(--color-success); }

.chart-bar-label {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
  text-align: center;
  white-space: nowrap;
}

/* ─── Logo Preview ──────────────────────────────────────────── */
.logo-preview {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--color-surface-2);
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-muted); }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1280px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .kpi-grid  { grid-template-columns: repeat(2, 1fr); }
  .form-row  { grid-template-columns: 1fr; }
  .modal-body { padding: var(--space-4); }
  .modal-footer { flex-direction: column-reverse; align-items: stretch; }
  .modal-footer .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .tabs     { gap: 0; }
  .tab-btn  { padding: var(--space-2) var(--space-3); }
}

/* ─── Filter Bar ──────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.filter-bar-search {
  position: relative;
  flex: 1;
  min-width: 180px;
}

.filter-bar-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--color-muted);
  pointer-events: none;
}

.filter-bar-input {
  width: 100%;
  padding: 7px 32px 7px 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
}

.filter-bar-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0,128,96,0.12);
}

.filter-bar-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  border-radius: 3px;
  transition: color var(--transition-fast);
}

.filter-bar-clear:hover { color: var(--color-text); }
.filter-bar-clear svg  { width: 12px; height: 12px; }

.filter-bar-select {
  height: 34px;
  padding: 0 28px 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-surface);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238c9196' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
  white-space: nowrap;
}

.filter-bar-select:focus { border-color: var(--color-accent); }

.filter-bar-count {
  font-size: var(--font-size-sm);
  color: var(--color-muted);
  margin-left: auto;
  white-space: nowrap;
  padding-left: var(--space-2);
}

@media (max-width: 640px) {
  .filter-bar            { flex-direction: column; align-items: stretch; gap: var(--space-2); }
  .filter-bar-search     { min-width: unset; }
  .filter-bar-select     { width: 100%; }
  .filter-bar-count      { margin-left: 0; text-align: right; }
}