/* ============================================================
   MEDISTORE PRO — COMPONENTS CSS
   ============================================================ */

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  /* overflow:hidden removed — was clipping search dropdowns */
}

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

.card-header h4 { font-size: var(--font-size-md); font-weight: 600; color: var(--text-primary); }
.card-header p  { font-size: var(--font-size-xs); color: var(--text-secondary); margin-top: 2px; }

.card-body { padding: var(--space-5) var(--space-6); }
.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--border-light);
}

/* KPI Card */
.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: flex; align-items: flex-start; gap: var(--space-4);
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.kpi-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kpi-card-icon svg { width: 24px; height: 24px; }

.kpi-card-content { flex: 1; min-width: 0; }
.kpi-card-label { font-size: var(--font-size-xs); font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.kpi-card-value { font-size: var(--font-size-2xl); font-weight: 800; color: var(--text-primary); line-height: 1; }
.kpi-card-sub { font-size: var(--font-size-xs); color: var(--text-secondary); margin-top: 4px; }

.kpi-card-glow {
  position: absolute; right: -20px; bottom: -20px;
  width: 100px; height: 100px; border-radius: 50%;
  opacity: 0.07;
}

/* Color variants */
.kpi-primary .kpi-card-icon { background: var(--primary-light); color: var(--primary); }
.kpi-primary .kpi-card-value { color: var(--primary); }
.kpi-primary .kpi-card-glow { background: var(--primary); }

.kpi-success .kpi-card-icon { background: var(--success-light); color: var(--success); }
.kpi-success .kpi-card-value { color: var(--success); }
.kpi-success .kpi-card-glow { background: var(--success); }

.kpi-warning .kpi-card-icon { background: var(--warning-light); color: var(--warning); }
.kpi-warning .kpi-card-value { color: var(--warning); }
.kpi-warning .kpi-card-glow { background: var(--warning); }

.kpi-danger .kpi-card-icon { background: var(--danger-light); color: var(--danger); }
.kpi-danger .kpi-card-value { color: var(--danger); }
.kpi-danger .kpi-card-glow { background: var(--danger); }

.kpi-secondary .kpi-card-icon { background: var(--secondary-light); color: var(--secondary); }
.kpi-secondary .kpi-card-value { color: var(--secondary); }
.kpi-secondary .kpi-card-glow { background: var(--secondary); }

.kpi-info .kpi-card-icon { background: var(--info-light); color: var(--info); }
.kpi-info .kpi-card-value { color: var(--info); }
.kpi-info .kpi-card-glow { background: var(--info); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2); padding: 9px var(--space-5);
  border-radius: var(--radius-md); font-size: var(--font-size-sm);
  font-weight: 600; transition: all var(--transition);
  white-space: nowrap; border: 1px solid transparent;
  line-height: 1;
}

.btn svg { width: 16px; height: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 2px 8px var(--primary-glow);
}
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 12px var(--primary-glow); transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-card); color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-main); border-color: var(--primary); color: var(--primary); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #25b878; transform: translateY(-1px); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--accent-dark); transform: translateY(-1px); }

.btn-warning { background: var(--warning); color: #1a1d2e; }
.btn-warning:hover { background: #e0a200; transform: translateY(-1px); }

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

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

.btn-sm { padding: 6px var(--space-4); font-size: var(--font-size-xs); }
.btn-lg { padding: 13px var(--space-8); font-size: var(--font-size-md); }
.btn-full { width: 100%; }

.btn-icon {
  width: 36px; height: 36px; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all var(--transition);
}
.btn-icon svg { width: 18px; height: 18px; }
.btn-icon:hover { background: var(--bg-main); color: var(--text-primary); }
.btn-icon.danger:hover { background: var(--danger-light); color: var(--danger); }
.btn-icon.success:hover { background: var(--success-light); color: var(--success); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }

.form-label {
  font-size: var(--font-size-xs); font-weight: 600;
  color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;
}

.form-label.required::after { content: ' *'; color: var(--danger); }

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px var(--space-4);
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  background: var(--bg-card); color: var(--text-primary);
  font-size: var(--font-size-sm); transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary); box-shadow: var(--shadow-glow);
}

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

.form-input.error { border-color: var(--danger); }
.form-error { color: var(--danger); font-size: var(--font-size-xs); }

.form-select { cursor: pointer; }

.form-textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid; gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.form-row-2 { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr; }
.form-row-3 { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr 1fr; }

.input-icon-wrap { position: relative; }

.input-icon {
  position: absolute; left: var(--space-3); top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-muted); pointer-events: none;
}

.input-icon-wrap .form-input { padding-left: 38px; }

.input-icon-right {
  position: absolute; right: var(--space-3); top: 50%; transform: translateY(-50%);
  padding: 4px; border-radius: 4px; color: var(--text-muted);
}
.input-icon-right svg { width: 16px; height: 16px; }
.input-icon-right:hover { color: var(--text-primary); }

/* Login form specific */
.login-form .form-label { color: rgba(255,255,255,0.7); }
.login-form .form-input {
  background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15);
  color: #fff;
}
.login-form .form-input::placeholder { color: rgba(255,255,255,0.3); }
.login-form .form-input:focus { border-color: var(--primary); background: rgba(255,255,255,0.1); }
.login-form .input-icon { color: rgba(255,255,255,0.35); }
.login-form .input-icon-right { color: rgba(255,255,255,0.35); }

/* Checkbox & Radio */
.form-check {
  display: flex; align-items: center; gap: var(--space-2); cursor: pointer;
}
.form-check input[type="checkbox"], .form-check input[type="radio"] {
  width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer;
}
.form-check label { font-size: var(--font-size-sm); color: var(--text-primary); cursor: pointer; }

/* Search */
.search-wrap { position: relative; }
.search-wrap .form-input { padding-left: 38px; }
.search-icon {
  position: absolute; left: var(--space-3); top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--text-muted); pointer-events: none;
}

/* Filter row */
.filter-row {
  display: flex; gap: var(--space-3); align-items: flex-end;
  flex-wrap: wrap; margin-bottom: var(--space-5);
}

.filter-row .form-group { min-width: 160px; }
.filter-row .form-group.search-group { min-width: 240px; flex: 1; }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto; border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%; background: var(--bg-card);
  font-size: var(--font-size-sm);
}

.data-table thead tr {
  background: linear-gradient(to right, #f8f9ff, #f1f3fd);
  border-bottom: 2px solid var(--border);
}

.data-table th {
  padding: 12px var(--space-4); text-align: left;
  font-size: var(--font-size-xs); font-weight: 700;
  color: var(--text-secondary); text-transform: uppercase;
  letter-spacing: 0.5px; white-space: nowrap;
}

.data-table th.sortable { cursor: pointer; user-select: none; }
.data-table th.sortable:hover { color: var(--primary); }

.data-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}

.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-card-hover); }

.data-table td {
  padding: 12px var(--space-4); color: var(--text-primary);
  vertical-align: middle;
}

.data-table .col-actions { width: 120px; text-align: right; white-space: nowrap; }
.data-table .col-num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .col-center { text-align: center; }

.table-actions { display: flex; gap: var(--space-1); justify-content: flex-end; }

/* Empty state */
.empty-state {
  text-align: center; padding: var(--space-12) var(--space-6);
  color: var(--text-secondary);
}
.empty-state-icon {
  width: 64px; height: 64px; margin: 0 auto var(--space-4);
  color: var(--border); opacity: 0.6;
}
.empty-state h5 { color: var(--text-primary); margin-bottom: var(--space-2); }
.empty-state p { font-size: var(--font-size-sm); }

/* Pagination */
.pagination {
  display: flex; align-items: center; gap: var(--space-2);
  justify-content: flex-end; padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--bg-card);
}
.pagination-info { font-size: var(--font-size-xs); color: var(--text-secondary); margin-right: auto; }
.page-btn {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-sm); color: var(--text-secondary);
  border: 1px solid var(--border); background: var(--bg-card);
  cursor: pointer; transition: all var(--transition);
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ============================================================
   BADGES / TAGS
   ============================================================ */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: var(--font-size-xs); font-weight: 600;
  white-space: nowrap;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: #9a6f00; }
.badge-danger  { background: var(--danger-light);  color: var(--danger); }
.badge-info    { background: var(--info-light);    color: #0097b5; }
.badge-secondary { background: var(--secondary-light); color: var(--secondary-dark); }
.badge-gray  { background: var(--border-light); color: var(--text-secondary); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 0.15s ease;
}

.modal {
  background: var(--bg-card); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl); width: 100%; max-width: 600px;
  max-height: 90vh; display: flex; flex-direction: column;
  animation: slideUp 0.2s ease;
}

.modal.modal-lg { max-width: 900px; }
.modal.modal-sm { max-width: 400px; }
.modal.modal-xl { max-width: 1100px; }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.modal-title { font-size: var(--font-size-lg); font-weight: 700; color: var(--text-primary); }

.modal-close { color: var(--text-muted); }
.modal-close:hover { background: var(--danger-light); color: var(--danger); }

.modal-body {
  padding: var(--space-6); overflow-y: auto; flex: 1;
}

.modal-footer {
  display: flex; gap: var(--space-3); justify-content: flex-end;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed; top: var(--space-6); right: var(--space-6);
  z-index: 9999; display: flex; flex-direction: column; gap: var(--space-3);
  max-width: 360px; width: calc(100% - var(--space-8));
}

.toast {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); color: #fff;
  animation: slideLeft 0.25s ease;
  position: relative; overflow: hidden;
}

.toast::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  height: 3px; background: rgba(255,255,255,0.4);
  animation: toastProgress 3s linear forwards;
}

.toast-success { background: var(--success); }
.toast-error   { background: var(--danger); }
.toast-warning { background: var(--warning); color: #1a1d2e; }
.toast-info    { background: var(--primary); }

.toast-icon { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }
.toast-message { font-size: var(--font-size-sm); font-weight: 500; flex: 1; }
.toast-close {
  background: none; border: none; color: inherit; opacity: 0.7;
  cursor: pointer; padding: 0; flex-shrink: 0;
}
.toast-close svg { width: 16px; height: 16px; }
.toast-close:hover { opacity: 1; }

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: var(--space-5);
}

.tab-btn {
  padding: 10px var(--space-5); font-size: var(--font-size-sm); font-weight: 600;
  color: var(--text-secondary); border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all var(--transition);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-btn:hover { color: var(--primary); background: var(--primary-light); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================================
   ALERTS (in-page)
   ============================================================ */
.alert {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-md);
  font-size: var(--font-size-sm); border: 1px solid transparent;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-warning { background: var(--warning-light); border-color: #ffe08a; color: #7a5700; }
.alert-danger  { background: var(--danger-light);  border-color: #ffc2cc; color: var(--danger); }
.alert-success { background: var(--success-light); border-color: #a8e6cc; color: var(--success); }
.alert-info    { background: var(--info-light);    border-color: #a0eaf8; color: #0097b5; }

/* ============================================================
   PROGRESS / LOADING
   ============================================================ */
.loading-spinner {
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-12);
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.progress-bar {
  height: 6px; background: var(--border-light); border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

/* ============================================================
   BILLING SPECIFIC
   ============================================================ */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-4);
  height: calc(100vh - var(--topbar-height) - var(--space-12));
  min-height: 600px;
}

.pos-left { display: flex; flex-direction: column; gap: var(--space-4); overflow: visible; }
.pos-right { display: flex; flex-direction: column; background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border-light); overflow: hidden; box-shadow: var(--shadow-sm); }

.cart-header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }
.cart-header h4 { font-size: var(--font-size-md); font-weight: 700; }

.cart-items { flex: 1; overflow-y: auto; padding: var(--space-2); }

.cart-item {
  padding: var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--border-light); margin-bottom: var(--space-2);
  background: var(--bg-card); transition: border-color var(--transition);
}
.cart-item:hover { border-color: var(--primary); }

.cart-item-name { font-weight: 600; font-size: var(--font-size-sm); margin-bottom: 4px; }
.cart-item-details { font-size: var(--font-size-xs); color: var(--text-secondary); }
.cart-item-controls { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }
.qty-btn { width: 28px; height: 28px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg-main); font-weight: 700; font-size: var(--font-size-md); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition); }
.qty-btn:hover { border-color: var(--primary); color: var(--primary); }
.qty-input { width: 50px; text-align: center; padding: 4px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: var(--font-size-sm); }
.cart-item-price { margin-left: auto; font-weight: 700; color: var(--primary); }
.cart-item-remove { color: var(--text-muted); padding: 4px; border-radius: 4px; }
.cart-item-remove:hover { color: var(--danger); background: var(--danger-light); }
.cart-item-remove svg { width: 14px; height: 14px; }

.cart-summary {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-light);
  background: var(--bg-card);
}

.summary-row {
  display: flex; justify-content: space-between;
  padding: 4px 0; font-size: var(--font-size-sm); color: var(--text-secondary);
}
.summary-row.total {
  font-size: var(--font-size-lg); font-weight: 800;
  color: var(--text-primary); border-top: 2px solid var(--border);
  margin-top: var(--space-2); padding-top: var(--space-3);
}

.payment-btns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); margin-top: var(--space-3); }

/* ============================================================
   REPORT STYLES
   ============================================================ */
.report-filter-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  padding: var(--space-5); margin-bottom: var(--space-5);
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
}

.report-filter-card h5 { margin-bottom: var(--space-4); }

/* ============================================================
   MEDICINE SEARCH RESULTS
   ============================================================ */
.med-search-dropdown {
  position: absolute; top: calc(100% + 2px); left: 0; right: 0;
  background: var(--bg-card); border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(99,102,241,0.18);
  z-index: 9999; /* High z-index to float above all cards */
  max-height: 320px; overflow-y: auto;
}

.med-search-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px var(--space-4); cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-3);
}
.med-search-item:hover { background: var(--primary-light); }
.med-search-item:hover .med-search-name { color: var(--primary); }
.med-search-item:last-child { border-bottom: none; }

.med-search-name {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.med-search-sub {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.med-search-price {
  font-weight: 800;
  color: var(--primary);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  flex-shrink: 0;
}
.med-search-qty { font-size: var(--font-size-xs); white-space: nowrap; flex-shrink: 0; }
.med-search-qty.low { color: var(--warning); font-weight: 600; }
.med-search-qty.out { color: var(--danger); font-weight: 600; }

/* ============================================================
   INVOICE PRINT PREVIEW
   ============================================================ */
.print-area { display: none; }

/* ============================================================
   STAT MINI CHART
   ============================================================ */
.chart-container {
  position: relative; height: 220px; padding: var(--space-4);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes slideLeft {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

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

@keyframes toastProgress {
  from { width: 100%; }
  to   { width: 0%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse { animation: pulse 2s ease infinite; }

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 900px) {
  .pos-layout { grid-template-columns: 1fr; }
  .pos-right { min-height: 400px; }
}

@media (max-width: 600px) {
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .modal { max-height: 100vh; border-radius: var(--radius-lg); }
}