/* ============================================================
   NOTA & INVOICE APP — Design System
   Dark mode premium with glassmorphism
   ============================================================ */

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

/* ============ VARIABLES ============ */
:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       rgba(22, 27, 34, 0.85);
  --bg-glass:      rgba(255, 255, 255, 0.05);
  --bg-glass-hover:rgba(255, 255, 255, 0.08);
  --border:        rgba(255, 255, 255, 0.08);
  --border-active: rgba(139, 92, 246, 0.5);

  --accent:        #8b5cf6;
  --accent-light:  #a78bfa;
  --accent-dark:   #7c3aed;
  --accent-glow:   rgba(139, 92, 246, 0.3);

  --success:       #10b981;
  --success-bg:    rgba(16, 185, 129, 0.15);
  --danger:        #ef4444;
  --danger-bg:     rgba(239, 68, 68, 0.15);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245, 158, 11, 0.15);
  --info:          #3b82f6;
  --info-bg:       rgba(59, 130, 246, 0.15);

  --text-primary:  #f0f6fc;
  --text-secondary:#8b949e;
  --text-muted:    #484f58;

  --sidebar-w:     260px;
  --header-h:      64px;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     16px;

  --shadow:        0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.3);
  --shadow-glow:   0 0 30px rgba(139, 92, 246, 0.2);

  --transition:    all 0.2s 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: auto;
  font-size: 14px;
  line-height: 1.5;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

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

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), #ec4899);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-glow);
}
.sidebar-logo h2 {
  font-size: 16px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sidebar-logo p { font-size: 11px; color: var(--text-muted); }

.sidebar-nav { padding: 12px 0; flex: 1; overflow-y: auto; }
.nav-section-label {
  padding: 8px 20px 4px;
  font-size: 10px; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-radius: 0;
  position: relative;
  font-size: 13.5px; font-weight: 500;
  text-decoration: none;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
}
.nav-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(236,72,153,0.1));
  color: var(--accent-light);
  box-shadow: inset 0 0 0 1px rgba(139,92,246,0.3);
}
.nav-item.active::before {
  content: '';
  position: absolute; left: -8px;
  width: 3px; height: 60%;
  background: var(--accent);
  border-radius: 99px;
  top: 50%; transform: translateY(-50%);
}
.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white; font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 99px;
  min-width: 18px; text-align: center;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-footer .store-info {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-footer .store-info:hover { background: var(--bg-glass-hover); }
.store-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #ec4899);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.store-name { font-size: 12px; font-weight: 600; }
.store-sub  { font-size: 11px; color: var(--text-muted); }

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

.topbar {
  height: var(--header-h);
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky; top: 0;
  z-index: 50;
}
.topbar-title { font-size: 18px; font-weight: 700; flex: 1; }
.topbar-subtitle { font-size: 12px; color: var(--text-secondary); font-weight: 400; margin-top: 1px; }

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: none;
}
.content.active { display: block; animation: fadeInUp 0.25s ease; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

/* ============ STAT CARDS ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--border-active); transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 80px; height: 80px;
  border-radius: 0 0 0 80px;
  opacity: 0.1;
}
.stat-card.purple::before { background: var(--accent); }
.stat-card.green::before  { background: var(--success); }
.stat-card.red::before    { background: var(--danger); }
.stat-card.blue::before   { background: var(--info); }

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}
.stat-icon.purple { background: rgba(139,92,246,0.2); }
.stat-icon.green  { background: rgba(16,185,129,0.2); }
.stat-icon.red    { background: rgba(239,68,68,0.2); }
.stat-icon.blue   { background: rgba(59,130,246,0.2); }

.stat-value {
  font-size: 22px; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.stat-label {
  font-size: 12px; color: var(--text-secondary);
  margin-top: 2px;
}
.stat-change {
  font-size: 11px; margin-top: 8px;
  display: flex; align-items: center; gap: 4px;
}
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 600;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: white;
  box-shadow: 0 4px 12px rgba(139,92,246,0.3);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(139,92,246,0.5);
  transform: translateY(-1px);
}
.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}
.btn-success:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
}
.btn-danger:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: white;
}
.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-glass-hover); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 7px; aspect-ratio: 1; }

/* ============ FORMS ============ */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-control {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 9px 12px;
  font-size: 13px; font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  background: rgba(139,92,246,0.05);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control option { background: var(--bg-secondary); color: var(--text-primary); }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row { display: grid; gap: 16px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ============ TABLE ============ */
.table-wrapper {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 60vh;
  position: relative;
}
table { width: 100%; border-collapse: collapse; }
thead th {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
  text-align: left;
  padding: 10px 14px;
  font-size: 11px; font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 13px;
}
tbody tr { transition: var(--transition); }
tbody tr:hover { background: var(--bg-glass); }
tbody tr:last-child td { border-bottom: none; }

/* ============ BADGES ============ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 99px;
  font-size: 11px; font-weight: 700;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info    { background: var(--info-bg);    color: var(--info); }
.badge-muted   { background: var(--bg-glass);   color: var(--text-secondary); }

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.2s ease;
  box-shadow: var(--shadow), var(--shadow-glow);
}
.modal-overlay.active .modal { transform: scale(1); }
.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; background: var(--bg-secondary);
  z-index: 1;
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-body  { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}
.btn-close {
  width: 32px; height: 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.btn-close:hover { background: var(--danger-bg); color: var(--danger); }

/* ============ SEARCH & FILTER BAR ============ */
.toolbar {
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.search-input {
  flex: 1; min-width: 200px;
  position: relative;
}
.search-input input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px 8px 36px;
  font-size: 13px; font-family: 'Inter', sans-serif;
  transition: var(--transition); outline: none;
}
.search-input input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-input .search-icon {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 14px;
}

/* ============ ITEM ROW (Invoice Editor) ============ */
.items-table-wrapper { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: visible; }
.items-table-wrapper table { width: 100%; }
.items-table-wrapper thead th { background: rgba(255,255,255,0.03); }
.items-table-wrapper .item-name-cell { position: relative; z-index: 10; }
.autocomplete-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 200;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  max-height: 200px; overflow-y: auto;
  box-shadow: var(--shadow);
}
.autocomplete-item {
  padding: 8px 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
  transition: var(--transition);
}
.autocomplete-item:hover { background: var(--bg-glass-hover); color: var(--accent-light); }
.autocomplete-price { font-size: 11px; color: var(--text-secondary); }

/* ============ INVOICE TOTALS ============ */
.invoice-totals {
  display: flex; justify-content: flex-end;
  margin-top: 0;
}
.totals-box {
  min-width: 280px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.totals-row {
  display: flex; justify-content: space-between;
  padding: 8px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.totals-row:last-child { border-bottom: none; }
.totals-row.grand {
  font-size: 15px; font-weight: 700;
  background: rgba(139,92,246,0.1);
  color: var(--accent-light);
}

/* ============ CHART ============ */
.chart-wrapper { position: relative; height: 220px; }

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.empty-state p { font-size: 13px; }

/* ============ TOAST ============ */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 13px; min-width: 240px;
  animation: slideInRight 0.3s ease;
  transition: var(--transition);
}
.toast.toast-success { border-color: var(--success); }
.toast.toast-danger  { border-color: var(--danger); }
.toast.toast-warning { border-color: var(--warning); }
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============ STATUS SELECT ============ */
.status-select {
  display: flex; gap: 10px; margin-bottom: 4px;
}
.status-option {
  flex: 1;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
}
.status-option input[type=radio] { display: none; }
.status-option.selected-lunas   { border-color: var(--success); background: var(--success-bg); color: var(--success); }
.status-option.selected-kredit  { border-color: var(--danger);  background: var(--danger-bg);  color: var(--danger); }
.status-option:not(.selected-lunas):not(.selected-kredit):hover { border-color: var(--text-muted); }

/* ============ CONFIRM DIALOG ============ */
.confirm-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 600;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.confirm-overlay.active { opacity: 1; pointer-events: all; }
.confirm-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 360px; width: 90%;
  text-align: center;
  transform: scale(0.9); transition: transform 0.2s ease;
  box-shadow: var(--shadow);
}
.confirm-overlay.active .confirm-box { transform: scale(1); }
.confirm-icon { font-size: 40px; margin-bottom: 14px; }
.confirm-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.confirm-msg { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.confirm-btns { display: flex; gap: 10px; justify-content: center; }

/* ============ PROGRESS BAR ============ */
.progress-bar { height: 4px; background: var(--bg-glass); border-radius: 99px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #ec4899); border-radius: 99px; transition: width 0.5s ease; }

/* ============ DIVIDER ============ */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ============ GRID ============ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ============ TABS ============ */
.tab-list {
  display: flex; gap: 4px;
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 20px;
}
.tab-item {
  flex: 1; text-align: center;
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 12px; font-weight: 600;
  cursor: pointer; color: var(--text-secondary);
  transition: var(--transition);
}
.tab-item.active {
  background: var(--bg-secondary);
  color: var(--accent-light);
  box-shadow: var(--shadow-sm);
}

/* ============ AMOUNT INPUT ============ */
.amount-input-wrapper { position: relative; }
.amount-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 13px; font-weight: 600;
}
.amount-input-wrapper .form-control { padding-left: 36px; }

/* ============ NOTA ROW HIGHLIGHT ============ */
tr.kredit-row { background: rgba(239,68,68,0.04); }
tr.kredit-row:hover { background: rgba(239,68,68,0.08) !important; }

/* ============ PAYMENT BADGE ============ */
.payment-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 99px;
  font-size: 11px; font-weight: 700;
}
.payment-badge.lunas  { background: var(--success-bg); color: var(--success); }
.payment-badge.kredit { background: var(--danger-bg);  color: var(--danger); }

/* ============ RESPONSIVE LAYOUT OPTIMIZATIONS ============ */

/* 1. Medium screens (tablets, small laptops) */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 2. Tablets and Mobiles (max-width: 900px) */
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-260px); width: 260px; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  
  /* Sidebar overlay background */
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    display: none;
  }
  .sidebar.open + .sidebar-overlay {
    display: block;
  }
}

/* 3. Portrait Mobiles (max-width: 600px) */
@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .topbar {
    padding: 10px 16px;
    height: auto;
    min-height: var(--header-h);
    flex-wrap: wrap;
    gap: 8px;
  }
  .topbar-subtitle {
    display: none;
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .toolbar > *, .toolbar .search-input {
    width: 100% !important;
  }
  .modal {
    padding: 10px;
    max-height: 95vh;
  }
  .modal-body {
    padding: 16px 12px;
  }
  .modal-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .modal-footer .btn {
    width: 100%;
    margin-left: 0 !important;
  }
}

/* 4. Very small devices (max-width: 400px) */
@media (max-width: 400px) {
  body {
    font-size: 13px;
  }
  .topbar-title {
    font-size: 16px;
  }
  .card-body {
    padding: 12px;
  }
}

/* Hide number spinners */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}

/* ============ PRINT STYLES (hide screen elements) ============ */
@media print { body { display: none; } }


/* ============================================================
   Cloud Auth Screen
   ============================================================ */
.auth-screen {
  position: fixed; inset: 0; z-index: 99999;
  display: none; place-items: center;
  background: rgba(7, 10, 18, .96);
  backdrop-filter: blur(14px);
  padding: 20px;
}
.auth-screen.active { display: grid; }
.auth-card {
  width: min(420px, 100%);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
}
.auth-logo { font-size: 42px; text-align:center; margin-bottom:6px; }
.auth-card h1 { margin:0; text-align:center; }
.auth-subtitle { text-align:center; color:var(--text-muted); margin:4px 0 22px; }
.auth-message { min-height:18px; color:var(--danger); font-size:12px; margin-bottom:10px; }
.auth-card small { display:block; color:var(--text-muted); text-align:center; margin-top:14px; line-height:1.5; }