/* SanaLogs Inventory — liquid glass over MEDEVAC backdrop
   Theme: Nomad Health blue→violet (#3B82F6 → #8B5CF6) + X-Sim glass */
:root {
  --brand-a: #3B82F6;
  --brand-b: #8B5CF6;
  --grad-primary: linear-gradient(135deg, #3B82F6, #8B5CF6);
  --bg-ink: #070A18;

  --glass-bg: rgba(255, 255, 255, 0.07);
  --glass-bg-hover: rgba(255, 255, 255, 0.12);
  --glass-bg-solid: rgba(16, 20, 40, 0.92);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-border-hover: rgba(255, 255, 255, 0.30);
  --glass-blur: saturate(150%) blur(14px);
  --glass-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.12);

  --text: #E6EAF5;
  --text-2: rgba(230, 234, 245, 0.75);
  --muted: #93A0BC;
  --primary: #3B82F6;
  --primary-hover: #5c96f7;
  --success: #34D399;
  --alert: #F87171;
  --warn: #F59E0B;
  --radius: 16px;
  --radius-sm: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-ink);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}
/* MEDEVAC backdrop — fixed layer + brand halos + dark veil so glass reads */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 15% 70%, rgba(59, 130, 246, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(139, 92, 246, 0.14) 0%, transparent 50%),
    linear-gradient(180deg, rgba(7, 10, 24, 0.55) 0%, rgba(7, 10, 24, 0.25) 45%, rgba(7, 10, 24, 0.65) 100%),
    url('/bg-medevac.jpg') center / cover no-repeat,
    var(--bg-ink);
}
a { color: var(--brand-a); text-decoration: none; }
h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 18px; font-weight: 600; }
h3 { font-size: 15px; font-weight: 600; }

/* layout */
#app { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0;
  background: rgba(5, 8, 20, 0.55);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  display: flex; flex-direction: column; padding: 18px 12px; gap: 2px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 18px; }
.brand .logo {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: var(--grad-primary); font-weight: 700; font-size: 16px; color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45);
}
.brand .name { font-weight: 700; font-size: 16px; letter-spacing: 0.2px; }
.brand .sub { font-size: 11px; color: var(--muted); }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted); cursor: pointer; font-weight: 500; font-size: 14px;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.nav-item:hover { color: var(--text); background: var(--glass-bg-hover); }
.nav-item.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.28), rgba(139, 92, 246, 0.28));
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.25);
}
.nav-item .ico { width: 20px; text-align: center; }
.nav-sep { margin: 10px 12px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 1.4px; color: rgba(147, 160, 188, 0.6); }
.nav-bottom { margin-top: auto; }

.main { flex: 1; padding: 26px 30px; max-width: 1250px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* glass cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  padding: 20px;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
}
.card::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.09) 0%, rgba(255, 255, 255, 0.02) 45%, transparent 100%);
  pointer-events: none; z-index: 0;
}
.card > * { position: relative; z-index: 1; }
.card:hover { border-color: var(--glass-border-hover); }

.grid { display: grid; gap: 14px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .num {
  font-size: 32px; font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .lbl { color: var(--muted); font-size: 13px; }
.stat.alert .num { background: none; -webkit-text-fill-color: currentcolor; color: var(--alert); }
.stat.warn .num { background: none; -webkit-text-fill-color: currentcolor; color: var(--warn); }
.stat.ok .num { background: none; -webkit-text-fill-color: currentcolor; color: var(--success); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 0; font: inherit; font-weight: 600; font-size: 14px; cursor: pointer;
  background: var(--grad-primary); color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.40);
  transition: filter 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn:hover { filter: brightness(1.12); box-shadow: 0 6px 22px rgba(99, 102, 241, 0.55); }
.btn.ghost {
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: none;
}
.btn.ghost:hover { background: var(--glass-bg-hover); border-color: var(--glass-border-hover); filter: none; }
.btn.success { background: linear-gradient(135deg, #10B981, #34D399); box-shadow: 0 4px 16px rgba(52, 211, 153, 0.35); }
.btn.danger { background: linear-gradient(135deg, #DC2626, #F87171); box-shadow: 0 4px 16px rgba(248, 113, 113, 0.35); }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* forms */
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 12.5px; font-weight: 500; color: var(--muted); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 9px 12px; border-radius: var(--radius-sm); font: inherit; font-size: 14px;
  background: rgba(6, 8, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18); color: var(--text);
}
input::placeholder, textarea::placeholder { color: rgba(147, 160, 188, 0.55); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--brand-b);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.22);
}
select option { background: #10142a; color: var(--text); }
input[type="checkbox"] { width: auto; accent-color: var(--brand-b); }
.check-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 14px; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }

/* tables */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; padding: 9px 12px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px; border-bottom: 1px solid var(--glass-border); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); vertical-align: middle; color: var(--text-2); }
td strong { color: var(--text); }
tr:hover td { background: rgba(255, 255, 255, 0.03); }

/* badges */
.badge { display: inline-block; padding: 2.5px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.badge.green { background: rgba(52, 211, 153, 0.14); color: #4ade80; border-color: rgba(52, 211, 153, 0.30); }
.badge.red { background: rgba(248, 113, 113, 0.14); color: #f87171; border-color: rgba(248, 113, 113, 0.30); }
.badge.blue { background: rgba(59, 130, 246, 0.15); color: #7cb1f9; border-color: rgba(59, 130, 246, 0.32); }
.badge.amber { background: rgba(245, 158, 11, 0.14); color: #fbbf24; border-color: rgba(245, 158, 11, 0.30); }
.badge.gray { background: rgba(147, 160, 188, 0.12); color: var(--muted); border-color: rgba(147, 160, 188, 0.25); }

/* modal */
.modal-back {
  position: fixed; inset: 0; background: rgba(4, 6, 16, 0.60);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: grid; place-items: center; z-index: 100; padding: 20px;
}
.modal {
  background: var(--glass-bg-solid);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  padding: 24px; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.modal h2 { margin-bottom: 16px; }
.modal .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 430px; }
.auth-card .brand { justify-content: center; padding-bottom: 8px; }
.auth-tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.auth-tabs .tab {
  flex: 1; text-align: center; padding: 9px; border-radius: var(--radius-sm); cursor: pointer;
  color: var(--muted); border: 1px solid var(--glass-border); font-size: 14px; font-weight: 500;
  background: var(--glass-bg);
  transition: background 0.15s, color 0.15s;
}
.auth-tabs .tab:hover { background: var(--glass-bg-hover); color: var(--text); }
.auth-tabs .tab.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.30), rgba(139, 92, 246, 0.30));
  border-color: rgba(139, 92, 246, 0.5);
}

/* misc */
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mb { margin-bottom: 14px; }
.mt { margin-top: 14px; }
.error-msg { color: var(--alert); font-size: 13.5px; margin-top: 8px; }
.empty { text-align: center; color: var(--muted); padding: 34px 10px; }
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  background: var(--glass-bg-solid);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-left: 3px solid var(--success);
  border-radius: var(--radius-sm);
  padding: 13px 18px; font-size: 14px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.2s ease;
}
.toast.err { border-left-color: var(--alert); }
@keyframes slideIn { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

.sig-canvas { background: rgba(255, 255, 255, 0.93); border-radius: var(--radius-sm); width: 100%; height: 120px; touch-action: none; cursor: crosshair; }
.scan-box { font-size: 22px; padding: 16px; text-align: center; letter-spacing: 1px; }
.scan-result { text-align: center; padding: 18px 0; }
.scan-result .big { font-size: 26px; font-weight: 700; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; align-items: end; }
.filters label.field { margin-bottom: 0; min-width: 150px; }

/* mobile top bar + hamburger drawer */
.topbar { display: none; }
.hamburger {
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text);
  font-size: 20px; line-height: 1; padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer;
}
.side-backdrop {
  display: none; position: fixed; inset: 0; z-index: 140;
  background: rgba(4, 6, 16, 0.55); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
}
.side-backdrop.show { display: block; }

@media (max-width: 860px) {
  #app { flex-direction: column; }
  .topbar {
    display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 130;
    padding: 10px 14px;
    background: rgba(5, 8, 20, 0.75);
    backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
  }
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: 262px;
    transform: translateX(-105%); transition: transform 0.25s ease;
    z-index: 150; background: rgba(5, 8, 20, 0.92);
  }
  .sidebar.open { transform: none; box-shadow: 24px 0 60px rgba(0, 0, 0, 0.5); }
  .main { padding: 18px 14px; }
}
@media print {
  .sidebar, .page-head .actions, .filters, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  body::before { display: none; }
  .card { background: #fff; border-color: #ccc; box-shadow: none; }
  .card::after { display: none; }
  th, td { color: #000; }
}