/* ===== KULDEEP PHARMA – GST INVOICE SYSTEM ===== */
/* Premium dark theme with glassmorphism & micro-animations */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  color-scheme: dark;
  --bg-primary: #0a0d1a;
  --bg-secondary: #0f1629;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-focus: rgba(99,179,237,0.6);

  --accent-blue: #4f8ef7;
  --accent-blue-light: #6ba4ff;
  --accent-green: #38d39f;
  --accent-purple: #a78bfa;
  --accent-orange: #fb923c;
  --accent-red: #f87171;
  --accent-whatsapp: #25d366;

  --text-primary: #f0f4ff;
  --text-secondary: #8b9bc8;
  --text-muted: #4a5580;

  --sidebar-width: 240px;
  --topbar-height: 68px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow-blue: 0 0 24px rgba(79,142,247,0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 10px; }

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: linear-gradient(180deg, #0d1533 0%, #0a0d1a 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo-icon {
  font-size: 28px;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow-blue);
}

.logo-text { display: flex; flex-direction: column; }
.logo-title { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 18px; color: var(--text-primary); letter-spacing: 0.5px; }
.logo-sub { font-size: 11px; color: var(--accent-blue-light); font-weight: 500; letter-spacing: 1px; text-transform: uppercase; }

.nav-links { list-style: none; padding: 16px 12px; flex: 1; }
.nav-links li { margin-bottom: 4px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.nav-link:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(79,142,247,0.2), rgba(167,139,250,0.15));
  color: var(--accent-blue-light);
  border: 1px solid rgba(79,142,247,0.25);
  box-shadow: 0 0 12px rgba(79,142,247,0.12);
}

.nav-icon { font-size: 16px; width: 22px; text-align: center; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.gst-badge {
  background: rgba(56,211,159,0.1);
  border: 1px solid rgba(56,211,159,0.25);
  color: var(--accent-green);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  text-align: center;
}

/* ===== MAIN CONTENT ===== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* ===== TOP BAR ===== */
.topbar {
  height: var(--topbar-height);
  background: rgba(10,13,26,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.menu-btn:hover { background: var(--bg-card-hover); }

.page-title {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.date-display {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ===== PAGES ===== */
.page { display: none; padding: 28px; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: 2px;
}

.card-blue::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-blue-light)); }
.card-green::before { background: linear-gradient(90deg, var(--accent-green), #5eead4); }
.card-purple::before { background: linear-gradient(90deg, var(--accent-purple), #c4b5fd); }
.card-orange::before { background: linear-gradient(90deg, var(--accent-orange), #fcd34d); }

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon { font-size: 30px; }
.stat-info { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 12px; color: var(--text-secondary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.8px; }
.stat-number { font-family: 'Outfit', sans-serif; font-size: 26px; font-weight: 800; color: var(--text-primary); }

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover { border-color: rgba(255,255,255,0.12); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.see-all {
  color: var(--accent-blue-light);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.see-all:hover { color: var(--accent-blue); }

/* ===== BUSINESS INFO CARD ===== */
.business-info-card { padding: 18px 22px; }
.biz-row { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.biz-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.biz-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-muted); font-weight: 600; }
.biz-value { font-size: 14px; color: var(--text-primary); font-weight: 500; line-height: 1.5; }
.mono { font-family: 'Courier New', monospace; color: var(--accent-green); font-size: 13px; }

/* ===== RECENT INVOICES ===== */
.recent-invoices { padding: 12px 22px 18px; }
.recent-inv-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.recent-inv-row:hover { background: var(--bg-card-hover); cursor: pointer; }
.inv-row-left { display: flex; flex-direction: column; gap: 2px; }
.inv-row-num { font-weight: 600; font-size: 14px; color: var(--text-primary); }
.inv-row-cust { font-size: 12px; color: var(--text-secondary); }
.inv-row-right { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.inv-row-amount { font-weight: 700; font-size: 15px; color: var(--accent-green); }
.inv-row-date { font-size: 11px; color: var(--text-muted); }

.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--text-secondary);
}
.empty-state span { font-size: 36px; display: block; margin-bottom: 10px; opacity: 0.5; }
.empty-state a { color: var(--accent-blue-light); }

/* ===== FORMS ===== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 22px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 10px 14px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
  background: rgba(79,142,247,0.06);
  box-shadow: 0 0 0 3px rgba(79,142,247,0.1);
}

.form-group input[readonly] {
  color: var(--accent-green);
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.form-group textarea { resize: vertical; padding: 12px; }
.form-group select option { background: #1a1f3a; color: #f0f4ff; }

/* Global select option fix – makes all dropdowns dark */
select option {
  background: #1a1f3a;
  color: #f0f4ff;
}
select {
  color-scheme: dark;
  appearance: auto;
}

/* Autocomplete */
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: #1a2040;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-height: 180px;
  overflow-y: auto;
  z-index: 200;
  display: none;
}
.autocomplete-list.show { display: block; }
.autocomplete-item {
  padding: 9px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
}
.autocomplete-item:hover { background: rgba(79,142,247,0.15); color: var(--accent-blue-light); }

/* ===== INVOICE BUILDER ===== */
.invoice-builder { display: flex; flex-direction: column; gap: 20px; }
.invoice-builder .card .form-group:only-child { padding: 22px; }

/* ===== ITEMS TABLE ===== */
.table-wrapper { overflow-x: auto; }

.items-table, .history-table {
  width: 100%;
  border-collapse: collapse;
}

.items-table th, .history-table th {
  text-align: left;
  padding: 12px 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: rgba(255,255,255,0.02);
}

.items-table td, .history-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 13px;
  color: var(--text-primary);
  vertical-align: middle;
}

.items-table tr:hover td, .history-table tr:hover td {
  background: rgba(255,255,255,0.03);
}

.items-table td input, .items-table td select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  padding: 6px 9px;
  outline: none;
  transition: var(--transition);
  width: 100%;
  min-width: 70px;
}

.items-table td input:focus, .items-table td select:focus {
  border-color: var(--border-focus);
  background: rgba(79,142,247,0.08);
}

/* Fix select dropdown options in items table */
.items-table td select option {
  background: #1a1f3a;
  color: #f0f4ff;
}
.items-table td select {
  color-scheme: dark;
}

.items-table td input.name-input { min-width: 160px; }
.items-table td input.narrow { min-width: 60px; max-width: 80px; }
.items-table td input.amount-cell { color: var(--accent-green); font-weight: 700; background: transparent; border: none; cursor: default; }

.empty-cell { text-align: center; color: var(--text-muted); padding: 32px !important; font-style: italic; }

/* ===== CUSTOM GST DROPDOWN ===== */
.gst-dropdown {
  position: relative;
  min-width: 72px;
  user-select: none;
}

.gst-selected {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  padding: 6px 9px;
  cursor: pointer;
  transition: var(--transition);
  gap: 6px;
}

.gst-selected:hover {
  border-color: var(--border-focus);
  background: rgba(79,142,247,0.08);
}

.gst-arrow {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.gst-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  background: #1a2040;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  z-index: 999;
  display: none;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.gst-menu.open { display: block; }

.gst-opt {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
}

.gst-opt:hover { background: rgba(79,142,247,0.2); color: var(--accent-blue-light); }
.gst-opt.active { background: rgba(79,142,247,0.15); color: var(--accent-blue-light); font-weight: 600; }



/* Row serial number */
.row-num { color: var(--text-muted); font-size: 13px; min-width: 30px; text-align: center; }

/* Delete row btn */
.del-row-btn {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.25);
  color: var(--accent-red);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
}
.del-row-btn:hover { background: rgba(248,113,113,0.25); }

/* ===== INVOICE TOTALS ===== */
.invoice-totals {
  display: flex;
  justify-content: flex-end;
  padding: 20px 22px;
  border-top: 1px solid var(--border);
}

.totals-box {
  width: 340px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.total-row.grand {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-green);
  border-bottom: none;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 2px solid rgba(56,211,159,0.3);
}

/* ===== BUTTONS ===== */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(79,142,247,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(79,142,247,0.45); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.2); }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.25); }

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.45); }

.btn-sm {
  padding: 6px 12px !important;
  font-size: 12px !important;
}

.btn-danger {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.3);
  color: var(--accent-red);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-danger:hover { background: rgba(248,113,113,0.25); }

/* ===== ACTION BAR ===== */
.action-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* ===== SEARCH BAR ===== */
.search-bar input {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  padding: 8px 14px;
  outline: none;
  width: 240px;
}
.search-bar input:focus { border-color: var(--border-focus); }

/* ===== HISTORY TABLE ===== */
.history-table { min-width: 600px; }
.history-table td .action-btns { display: flex; gap: 6px; }
.inv-amount { color: var(--accent-green); font-weight: 700; }

/* ===== CUSTOMER / PRODUCT TABLE ===== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(79,142,247,0.15);
  color: var(--accent-blue-light);
  border: 1px solid rgba(79,142,247,0.25);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: #121829;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 0;
}

.invoice-preview-modal { max-width: 860px; }
.small-modal { max-width: 480px; padding: 28px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.close-btn {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 32px; height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.close-btn:hover { background: rgba(248,113,113,0.2); color: var(--accent-red); border-color: rgba(248,113,113,0.3); }

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 18px 28px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.small-modal .form-group { margin-bottom: 14px; }

/* ===== TOAST NOTIFICATION ===== */
.toast-container { position: fixed; bottom: 28px; right: 28px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: #1a2040;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
  min-width: 240px;
}
.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-red); }
.toast.info { border-left: 3px solid var(--accent-blue); }

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

/* ===== INVOICE PRINT PREVIEW ===== */
#invoicePreviewContent {
  padding: 28px;
  font-family: 'Inter', sans-serif;
  color: #1a1a1a;
  background: #fff;
  margin: 0;
}

.inv-preview {
  background: #fff;
  color: #1a1a1a;
  max-width: 800px;
  margin: 0 auto;
}

.inv-header {
  text-align: center;
  padding-bottom: 14px;
  border-bottom: 2px solid #1a3a8a;
  margin-bottom: 16px;
}

.inv-business-name {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: #1a3a8a;
  letter-spacing: 1px;
}

.inv-tagline { font-size: 13px; color: #555; margin: 3px 0; }
.inv-meta { font-size: 12px; color: #444; margin: 2px 0; }
.inv-meta strong { color: #1a3a8a; }

.inv-details-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 13px;
}

.inv-details-box { flex: 1; }
.inv-details-box strong { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.7px; color: #888; margin-bottom: 2px; }
.inv-details-box span { font-weight: 600; color: #222; }

.inv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 14px;
}

.inv-table th {
  background: #1a3a8a;
  color: white;
  padding: 8px 10px;
  text-align: left;
  font-weight: 600;
}

.inv-table td {
  padding: 7px 10px;
  border-bottom: 1px solid #e5e7eb;
  color: #333;
}

.inv-table tr:nth-child(even) td { background: #f8f9ff; }

.inv-totals-section {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.inv-totals-table { width: 280px; font-size: 13px; }
.inv-totals-table tr td { padding: 5px 0; }
.inv-totals-table tr td:first-child { color: #555; }
.inv-totals-table tr td:last-child { text-align: right; font-weight: 600; }
.inv-grand-row td { font-size: 16px !important; font-weight: 800 !important; color: #1a3a8a !important; border-top: 2px solid #1a3a8a; padding-top: 8px !important; }

.inv-amount-words { font-size: 12px; color: #555; margin-bottom: 14px; font-style: italic; }
.inv-amount-words strong { color: #222; }

.inv-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 24px;
  border-top: 1px solid #ddd;
  padding-top: 14px;
  font-size: 12px;
  color: #555;
}

.inv-sign { text-align: right; }
.inv-sign-line { border-top: 1px solid #333; width: 160px; margin: 0 0 4px auto; padding-top: 4px; font-weight: 600; color: #222; }

/* ===== PRINT STYLESHEET ===== */
@media print {
  body * { visibility: hidden !important; }
  #printArea, #printArea * { visibility: visible !important; }
  #printArea {
    display: block !important;
    position: fixed;
    inset: 0;
    background: white;
    z-index: 99999;
    padding: 20px;
    color: #1a1a1a;
    font-family: 'Inter', sans-serif;
  }
  .sidebar, .topbar, .action-bar, .modal-overlay { display: none !important; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 30px rgba(0,0,0,0.6);
  }
  .main-content { margin-left: 0; }
  .menu-btn { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .page { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
  .action-bar { justify-content: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 20px; }
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Background glow blobs */
body::before {
  content: '';
  position: fixed;
  top: -200px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,247,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(167,139,250,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===== B2B INVOICE STYLES ===== */

/* Badge shown in B2B card header */
.badge-b2b {
  display: inline-block;
  background: linear-gradient(135deg, rgba(251,146,60,0.2), rgba(251,146,60,0.1));
  border: 1px solid rgba(251,146,60,0.4);
  color: var(--accent-orange);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Widen the B2B table columns */
.b2b-table td input.narrow { min-width: 52px; max-width: 70px; }
.b2b-table td input.name-input { min-width: 140px; }

/* ===== B2B PRINT / PREVIEW ===== */
#b2bInvoicePreviewContent {
  padding: 28px;
  font-family: 'Inter', sans-serif;
  color: #1a1a1a;
  background: #fff;
}

.b2b-preview {
  background: #fff;
  color: #1a1a1a;
  max-width: 820px;
  margin: 0 auto;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
}

.b2b-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid #1a3a8a;
  padding-bottom: 10px;
  margin-bottom: 10px;
}

.b2b-company-name {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #1a3a8a;
  letter-spacing: 0.5px;
}

.b2b-inv-type-box { text-align: right; }

.b2b-inv-label {
  font-size: 13px;
  font-weight: 700;
  color: #1a3a8a;
  border: 2px solid #1a3a8a;
  display: inline-block;
  padding: 2px 10px;
  letter-spacing: 1px;
}

.b2b-inv-credit {
  font-size: 12px;
  font-weight: 700;
  color: #c0392b;
  margin-top: 3px;
  letter-spacing: 2px;
}

.b2b-info-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 10px;
  font-size: 11px;
}

.b2b-buyer-box {
  flex: 1;
  border: 1px solid #ccc;
  padding: 8px 10px;
  border-radius: 4px;
}

.b2b-meta-box {
  min-width: 220px;
  border: 1px solid #ccc;
  padding: 4px 8px;
  border-radius: 4px;
}

.b2b-meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.b2b-meta-table td {
  padding: 3px 6px;
  border: 1px solid #e5e7eb;
}

.b2b-meta-table td:first-child {
  color: #666;
  font-weight: 600;
  white-space: nowrap;
  background: #f8f9ff;
}

.b2b-items-table th {
  background: #1a3a8a;
  color: white;
  padding: 6px 7px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-align: center;
}

.b2b-items-table td {
  padding: 5px 7px;
  border-bottom: 1px solid #e5e7eb;
  font-size: 11px;
  text-align: center;
  color: #333;
}

.b2b-items-table td:nth-child(4) { text-align: left; }
.b2b-items-table tr:nth-child(even) td { background: #f8f9ff; }

.b2b-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid #ddd;
}

.b2b-terms { flex: 1; }
.b2b-totals-grid { min-width: 260px; }

.b2b-sign-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px dashed #ccc;
}

/* ===== QR CODE BLOCK ===== */
.inv-qr-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 6px;
}

.inv-qr-img {
  border: 2px solid #1a3a8a;
  border-radius: 8px;
  padding: 4px;
  background: #fff;
  display: block;
  transition: transform 0.2s ease;
}

.inv-qr-img:hover {
  transform: scale(1.06);
}

.inv-qr-label {
  font-size: 9px;
  color: #888;
  text-align: center;
  font-style: italic;
  margin-top: 2px;
}