/* ============================================================
   FRESHY WATER DMS — style.css
   Premium Dark Theme with Glass Effects & Animations
   ============================================================ */

/* ---- Variables ---- */
:root, .light-theme {
  --primary-hue: 220;
  --primary-sat: 90%;
  --primary:       hsl(var(--primary-hue), var(--primary-sat), 56%);
  --primary-dark:  hsl(var(--primary-hue), var(--primary-sat), 40%);
  --primary-glow:  hsla(var(--primary-hue), var(--primary-sat), 56%, 0.25);
  
  --accent-hue: 190;
  --accent-sat: 95%;
  --accent:        hsl(var(--accent-hue), var(--accent-sat), 45%);
  --accent-glow:   hsla(var(--accent-hue), var(--accent-sat), 45%, 0.2);

  --bg-base:       #f8fafc;
  --bg-surface:    #ffffff;
  --bg-card:       #ffffff;
  --bg-card2:      #f1f5f9;
  --bg-input:      #ffffff;
  --border:        #e2e8f0;
  --border-light:  #cbd5e1;
  
  --text-primary:  #0f172a;
  --text-secondary:#334155;
  --text-muted:    #64748b;

  /* Status */
  --s-pending:     #ef4444;
  --s-editing:     #f59e0b;
  --s-urgent:      #dc2626;
  --s-review:      #3b82f6;
  --s-success:     #10b981;

  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     18px;
  --radius-xl:     24px;

  --shadow-sm:     0 2px 8px rgba(0,0,0,.15);
  --shadow:        0 4px 24px rgba(0,0,0,.2);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.25);

  --sidebar-w:     240px;
  --topbar-h:      64px;
  --transition:    0.25s ease;
}

.dark-theme {
  --bg-base:       #080c14;
  --bg-surface:    rgba(15, 22, 35, 0.7);
  --bg-card:       rgba(19, 29, 46, 0.6);
  --bg-card2:      rgba(26, 37, 64, 0.8);
  --bg-input:      rgba(15, 22, 35, 0.8);
  --border:        rgba(255, 255, 255, 0.1);
  --border-light:  rgba(255, 255, 255, 0.15);
  
  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-muted:    #64748b;
  
  --shadow-sm:     0 2px 8px rgba(0,0,0,.4);
  --shadow:        0 4px 24px rgba(0,0,0,.5);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.6);
}

.dark-theme .topbar,
.dark-theme .sidebar,
.dark-theme .card,
.dark-theme .modal {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

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

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

h1,h2,h3,h4 { font-weight: 700; line-height: 1.3; }

input, textarea, select {
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
input[readonly] { opacity: 0.7; cursor: default; }
textarea { resize: vertical; }
select option { background: var(--bg-card); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ================================================================
   SIDEBAR
================================================================ */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform var(--transition);
  overflow: hidden;
}
.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}
.company-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
}
.logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  box-shadow: 0 0 20px var(--primary-glow);
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-weight: 800; font-size: 1rem; color: var(--text-primary); letter-spacing: 1px; }
.logo-sub  { font-size: 0.65rem; color: var(--accent); letter-spacing: 2px; font-weight: 600; }

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 0;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
  border-left: 3px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-item i { width: 20px; text-align: center; font-size: 0.95rem; }
.nav-item:hover { color: var(--text-primary); background: rgba(59,130,246,0.08); }
.nav-item.active {
  color: var(--primary);
  background: rgba(59,130,246,0.12);
  border-left-color: var(--primary);
}
.sidebar-bottom {
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ================================================================
   MAIN CONTENT
================================================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition);
}
.main-content.expanded { margin-left: 0; }

/* ================================================================
   TOPBAR
================================================================ */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}
.sidebar-toggle {
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.sidebar-toggle:hover { border-color: var(--primary); color: var(--primary); }
.topbar-title { font-size: 1rem; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 1rem; }
.topbar-date { font-size: 0.8rem; color: var(--text-muted); }
.topbar-user {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--text-secondary);
}
.topbar-user i { color: var(--primary); }

/* ================================================================
   PAGES
================================================================ */
.page {
  display: none;
  padding: 1.5rem;
  flex: 1;
  animation: fadeIn 0.3s ease;
}
.page.active { display: block; }

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

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-title i { color: var(--primary); }

.header-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ================================================================
   BUTTONS
================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover   { background: var(--primary-dark); box-shadow: 0 0 16px var(--primary-glow); }
.btn-success   { background: var(--s-success); color: #fff; border-color: var(--s-success); }
.btn-success:hover   { filter: brightness(1.1); box-shadow: 0 0 16px rgba(16,185,129,.3); }
.btn-secondary { background: var(--bg-card2); color: var(--text-primary); border-color: var(--border-light); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost     { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover     { color: var(--text-primary); border-color: var(--border-light); }
.btn-outline   { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover   { background: var(--primary); color: #fff; }
.btn-danger    { background: var(--s-pending); color: #fff; border-color: var(--s-pending); }
.btn-sm  { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon {
  background: var(--bg-card2);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-icon:hover { border-color: var(--primary); color: var(--primary); }

/* ================================================================
   CARDS
================================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-light); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.card-header h2 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}
.card-header h2 i { color: var(--primary); }
.card-actions { display: flex; gap: 0.5rem; }

/* ================================================================
   STATUS CARDS — DASHBOARD
================================================================ */
.status-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (max-width: 1200px) { .status-cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .status-cards { grid-template-columns: repeat(2, 1fr); } }

.status-card {
  position: relative;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition);
  user-select: none;
}
.status-card:hover, .status-card:focus {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.status-card.active-filter { border-width: 2px; }

.card-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.card-number {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.card-label { font-size: 0.8rem; font-weight: 600; opacity: 0.9; }

.card-bg-icon {
  position: absolute;
  bottom: -8px; right: -4px;
  font-size: 5rem;
  opacity: 0.06;
  pointer-events: none;
}

/* Status card color variants */
.status-card.pending {
  background: linear-gradient(135deg, rgba(239,68,68,0.18), rgba(239,68,68,0.06));
  border-color: rgba(239,68,68,0.35);
  color: #ef4444;
}
.status-card.pending:hover { border-color: rgba(239,68,68,0.6); box-shadow: 0 8px 30px rgba(239,68,68,0.2); }
.status-card.pending .card-number, .status-card.pending .card-icon { color: #ef4444; }

.status-card.editing {
  background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.06));
  border-color: rgba(245,158,11,0.35);
  color: #f59e0b;
}
.status-card.editing:hover { border-color: rgba(245,158,11,0.6); box-shadow: 0 8px 30px rgba(245,158,11,0.2); }
.status-card.editing .card-number, .status-card.editing .card-icon { color: #f59e0b; }

.status-card.urgent {
  background: linear-gradient(135deg, rgba(220,38,38,0.22), rgba(220,38,38,0.08));
  border-color: rgba(220,38,38,0.45);
  color: #dc2626;
}
.status-card.urgent:hover { border-color: rgba(220,38,38,0.7); box-shadow: 0 8px 30px rgba(220,38,38,0.3); }
.status-card.urgent .card-number, .status-card.urgent .card-icon { color: #ff3333; }

/* Urgent BLINK animation */
.urgent-pulse {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid rgba(220,38,38,0.6);
  animation: urgentPulse 1.2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes urgentPulse {
  0%   { opacity: 1; transform: scale(1); }
  50%  { opacity: 0.2; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}
.status-card.urgent .card-icon { animation: urgentBlink 0.8s step-start infinite; }
@keyframes urgentBlink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.15; }
}

.status-card.review {
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(59,130,246,0.06));
  border-color: rgba(59,130,246,0.35);
  color: #3b82f6;
}
.status-card.review:hover { border-color: rgba(59,130,246,0.6); box-shadow: 0 8px 30px rgba(59,130,246,0.2); }
.status-card.review .card-number, .status-card.review .card-icon { color: #3b82f6; }

.status-card.success {
  background: linear-gradient(135deg, rgba(16,185,129,0.18), rgba(16,185,129,0.06));
  border-color: rgba(16,185,129,0.35);
  color: #10b981;
}
.status-card.success:hover { border-color: rgba(16,185,129,0.6); box-shadow: 0 8px 30px rgba(16,185,129,0.2); }
.status-card.success .card-number, .status-card.success .card-icon { color: #10b981; }

.status-card.active-filter {
  box-shadow: 0 8px 30px rgba(255,255,255,0.05);
  transform: translateY(-4px) scale(1.02);
}

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

/* ================================================================
   TABLES
================================================================ */
.table-wrap { overflow-x: auto; margin-top: 0.5rem; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th {
  background: var(--bg-card2);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-secondary);
}
.data-table tbody tr:hover { background: rgba(59,130,246,0.04); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-pending { background: rgba(239,68,68,.15); color: #ef4444; border: 1px solid rgba(239,68,68,.3); }
.badge-editing { background: rgba(245,158,11,.15); color: #f59e0b; border: 1px solid rgba(245,158,11,.3); }
.badge-urgent  { background: rgba(220,38,38,.15); color: #dc2626; border: 1px solid rgba(220,38,38,.3); animation: badgeUrgent 1s ease-in-out infinite; }
.badge-review  { background: rgba(59,130,246,.15); color: #60a5fa; border: 1px solid rgba(59,130,246,.3); }
.badge-success { background: rgba(16,185,129,.15); color: #34d399; border: 1px solid rgba(16,185,129,.3); }
.badge-blue    { background: rgba(59,130,246,.15); color: #60a5fa; border: 1px solid rgba(59,130,246,.3); }
@keyframes badgeUrgent { 0%,100%{opacity:1} 50%{opacity:.5} }

/* Download checkmark */
.downloaded-mark { color: var(--s-success); font-size: 1.1rem; }

/* ================================================================
   FORMS
================================================================ */
.form-grid { display: grid; gap: 1rem; }
.form-grid-2 { grid-template-columns: repeat(2, 1fr); }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 768px) {
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
}

.form-group { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.75rem; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.required { color: #ef4444; }
small { font-size: 0.75rem; color: var(--text-muted); }

.flex-1 { flex: 1; }

.input-with-btn {
  display: flex;
  gap: 0.5rem;
}
.input-with-btn input { flex: 1; }

.input-with-badge {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}
.input-with-badge input { flex: 1; }

.select-input {
  cursor: pointer;
}

.input-search {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
}
.input-search:focus { border-color: var(--primary); }

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
  margin: 0.75rem 0 0.5rem;
}

.radio-group { display: flex; gap: 1.5rem; align-items: center; padding: 0.4rem 0; }
.radio-label {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; cursor: pointer; color: var(--text-secondary);
}
.radio-label input { width: auto; }

/* ================================================================
   SEARCH BAR
================================================================ */
.search-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}
.search-group {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 0.75rem;
  transition: border-color var(--transition);
}
.search-group:focus-within { border-color: var(--primary); }
.search-group i { color: var(--text-muted); }
.search-group input {
  border: none;
  background: none;
  padding: 0.55rem 0;
  box-shadow: none;
}
.search-group input:focus { box-shadow: none; }

/* ================================================================
   ALERT PENDING
================================================================ */
.alert-pending {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius-sm);
  color: #f59e0b;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

/* ================================================================
   BILL FORM LAYOUT
================================================================ */
.bill-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.bill-tab {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.bill-tab:hover { border-color: var(--primary); color: var(--primary); }
.bill-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 16px var(--primary-glow);
}

.bill-form-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 1024px) { .bill-form-layout { grid-template-columns: 1fr; } }

.bill-search-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

/* Delivery table specific */
.delivery-table-wrap { max-height: 320px; overflow-y: auto; }
.delivery-table { table-layout: fixed; }
.delivery-table .col-seq   { width: 56px; }
.delivery-table .col-num   { width: 90px; }
.delivery-table .col-action{ width: 48px; }
.delivery-table input { padding: 0.4rem 0.5rem; font-size: 0.82rem; }
.delivery-table td { padding: 0.35rem 0.4rem; }
.btn-del-row {
  background: none;
  border: none;
  color: var(--s-pending);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.2rem;
  transition: transform var(--transition);
}
.btn-del-row:hover { transform: scale(1.2); }

/* ================================================================
   QR CARD
================================================================ */
.qr-card { text-align: center; }

.company-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.company-logo-wrap {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  flex-shrink: 0;
}
.company-logo-wrap img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; }
.company-logo-icon { color: #fff; }
.company-name { font-weight: 800; font-size: 1rem; color: var(--text-primary); }
.company-sub  { font-size: 0.7rem; color: var(--accent); }

.qr-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem; }

.qr-container {
  background: #fff;
  border-radius: var(--radius);
  padding: 12px;
  margin: 0 auto 0.75rem;
  display: inline-block;
  width: 180px; height: 180px;
  display: flex; align-items: center; justify-content: center;
}
.qr-container canvas, .qr-container img { max-width: 100%; max-height: 100%; }
.qr-placeholder {
  display: flex; flex-direction: column;
  align-items: center; gap: 0.5rem;
  color: #aaa;
}
.qr-placeholder i { font-size: 2.5rem; }
.qr-placeholder span { font-size: 0.7rem; text-align: center; }

.qr-doc-number {
  font-family: 'Inter', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.qr-info-box {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  margin-bottom: 0.75rem;
  text-align: left;
}
.qr-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--border);
}
.qr-info-row:last-child { border-bottom: none; }
.qr-info-row span { color: var(--text-muted); }
.qr-info-row strong { color: var(--text-primary); text-align: right; max-width: 60%; word-break: break-word; }

/* ================================================================
   FILES PAGE
================================================================ */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.file-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.file-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.15);
}
.file-card-icon {
  font-size: 2.2rem;
  margin-bottom: 0.6rem;
  color: var(--primary);
}
.file-card-id {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: monospace;
  margin-bottom: 0.3rem;
}
.file-card-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  word-break: break-word;
}
.file-card-type { font-size: 0.75rem; color: var(--text-muted); }
.file-card-date { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.4rem; }
.file-card-status {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
}

/* ================================================================
   MODALS
================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: overlayIn 0.2s ease;
}
.modal-overlay.open { display: flex; }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s cubic-bezier(.34,1.56,.64,1);
}
.modal-sm { max-width: 480px; }
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.modal-header h3 i { color: var(--primary); }
.modal-close {
  background: none;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  width: 30px; height: 30px;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: all var(--transition);
}
.modal-close:hover { border-color: var(--s-pending); color: var(--s-pending); }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* Settings sections */
.settings-section { margin-bottom: 1.5rem; }
.settings-section h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.info-box {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.info-box ol { padding-left: 1.2rem; }
.info-box code {
  background: var(--bg-base);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* Batch preview */
.batch-preview {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin: 0.75rem 0;
}
.preview-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; margin-bottom: 0.5rem; }
.preview-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.preview-num-tag {
  background: var(--bg-base);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  font-family: monospace;
}

/* QR Scanner */
.scan-result {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-sm);
  color: #34d399;
  font-size: 0.85rem;
  word-break: break-all;
}

/* ================================================================
   TOAST
================================================================ */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 240px;
  max-width: 380px;
  box-shadow: var(--shadow);
  animation: toastIn 0.3s ease;
  pointer-events: all;
}
.toast-success { border-left: 4px solid var(--s-success); }
.toast-success i { color: var(--s-success); }
.toast-error   { border-left: 4px solid var(--s-pending); }
.toast-error i { color: var(--s-pending); }
.toast-info    { border-left: 4px solid var(--primary); }
.toast-info i  { color: var(--primary); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ================================================================
   LOADING SPINNER
================================================================ */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 1.5rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,12,20,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  z-index: 10;
}

/* ================================================================
   SKELETON LOADER
================================================================ */
.skeleton-loading {
  background: linear-gradient(90deg, var(--bg-card2) 25%, var(--border) 50%, var(--bg-card2) 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  color: transparent !important;
  pointer-events: none;
}
.skeleton-loading * {
  visibility: hidden;
}
@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ================================================================
   QR DETAIL VIEW (Scan Result Page)
================================================================ */
.qr-detail-view {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: var(--bg-base);
  overflow-y: auto;
  padding: 1rem;
}
.qr-detail-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}
.qr-detail-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--primary);
  margin-bottom: 1.5rem;
}
.qr-detail-logo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}
.qr-detail-company {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.qr-detail-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.qr-detail-info {
  margin-bottom: 1.5rem;
}
.qr-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}
.qr-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.qr-info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.qr-info-label i {
  color: var(--primary);
  font-size: 0.7rem;
}
.qr-info-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.qd-doc-id {
  font-family: monospace;
  color: var(--primary) !important;
  font-size: 1rem !important;
}
.qr-detail-table-section {
  margin-bottom: 1.5rem;
}
.qr-detail-table-section h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}
.qr-detail-table-section h3 i {
  color: var(--primary);
}
.qr-detail-summary {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.6rem;
  padding: 1rem;
  background: var(--bg-card2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.qd-summary-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.qd-summary-item i { color: var(--primary); }
.qd-summary-item strong { color: var(--text-primary); }
.qr-detail-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 600px) {
  .qr-detail-container { padding: 1rem; }
  .qr-info-grid { grid-template-columns: 1fr; }
  .qr-detail-summary { grid-template-columns: 1fr; }
  .qr-detail-actions { flex-direction: column; }
  .qr-detail-actions .btn { width: 100%; }
}

/* ================================================================
   PRINT STYLES
================================================================ */
@media print {
  .sidebar, .topbar, .page-header, .bill-tabs,
  .bill-search-row, .btn, .modal-overlay, .toast-container,
  #sync-indicator { display: none !important; }

  .main-content { margin-left: 0 !important; }
  body { background: #fff !important; color: #000 !important; }

  .print-content {
    display: block !important;
  }

  table, .data-table {
    border-collapse: collapse;
    width: 100%;
    color: #000;
  }
  table th, table td, .data-table th, .data-table td {
    border: 1px solid #000 !important;
    padding: 4px 6px !important;
    color: #000 !important;
  }
}

@page.A4 { size: A4; margin: 10mm; }
@page.A5 { size: A5; margin: 10mm; }

/* ================================================================
   EMPTY STATE
================================================================ */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 0.75rem; opacity: 0.4; }
.empty-state p { font-size: 0.9rem; }

/* ================================================================
   UTILITY
================================================================ */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.text-primary{ color: var(--text-primary) !important; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }