:root {
  --bg: #eef3f7;
  --panel: rgba(255, 255, 255, .72);
  --panel-strong: rgba(255, 255, 255, .88);
  --panel-dark: rgba(12, 24, 31, .72);
  --ink: #111827;
  --muted: #607080;
  --line: rgba(125, 143, 161, .28);
  --line-strong: rgba(255, 255, 255, .46);
  --primary: #126e65;
  --primary-2: #0f5f96;
  --accent: #b98116;
  --danger: #b42318;
  --good: #087443;
  --soft: rgba(232, 247, 241, .76);
  --warn: rgba(255, 246, 223, .86);
  --shadow: 0 20px 55px rgba(16, 24, 40, .14);
  --shadow-soft: 0 10px 28px rgba(16, 24, 40, .08);
  --blur: blur(22px) saturate(1.2);
}

:root[data-theme="dark"] {
  --bg: #0f1720;
  --panel: rgba(18, 28, 38, .76);
  --panel-strong: rgba(22, 34, 46, .9);
  --ink: #edf2f7;
  --muted: #9aa8b7;
  --line: rgba(180, 196, 214, .18);
  --line-strong: rgba(255, 255, 255, .2);
  --soft: rgba(18, 110, 101, .18);
  --warn: rgba(185, 129, 22, .18);
  --shadow: 0 20px 55px rgba(0, 0, 0, .34);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, .24);
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(18, 110, 101, .15), transparent 32%),
    linear-gradient(225deg, rgba(15, 95, 150, .16), transparent 34%),
    linear-gradient(180deg, #f7fafc 0%, #e9f0f4 54%, #f5f7fb 100%);
  background-attachment: fixed;
}

:root[data-theme="dark"] body {
  background:
    linear-gradient(135deg, rgba(18, 110, 101, .16), transparent 32%),
    linear-gradient(225deg, rgba(15, 95, 150, .18), transparent 34%),
    linear-gradient(180deg, #0d141c 0%, #111c25 54%, #0d141c 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 24, 39, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 39, .035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), rgba(0,0,0,.12));
}

button, input, select, textarea { font: inherit; }
button { border: 0; cursor: pointer; }

.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background:
    linear-gradient(110deg, rgba(9, 35, 42, .82), rgba(18, 110, 101, .58) 52%, rgba(15, 95, 150, .64)),
    url("https://images.unsplash.com/photo-1604719312566-8912e9227c6a?auto=format&fit=crop&w=1800&q=82") center/cover;
}

.login-copy {
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(30px, 7vw, 88px);
  min-height: 520px;
}

.brand-mark, .side-logo {
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 900;
  border: 1px solid var(--line-strong);
}

.brand-mark {
  width: 58px;
  height: 58px;
  background: rgba(255, 255, 255, .14);
  backdrop-filter: var(--blur);
  font-size: 24px;
  margin-bottom: 28px;
  box-shadow: 0 18px 48px rgba(0,0,0,.18);
}

.login-copy h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(40px, 5vw, 78px);
  line-height: .96;
  letter-spacing: 0;
}

.login-copy p {
  margin: 22px 0 0;
  max-width: 650px;
  color: rgba(255,255,255,.84);
  font-size: 18px;
  line-height: 1.55;
}

.login-panel {
  display: grid;
  place-items: center;
  padding: 26px;
  background: rgba(240, 246, 248, .38);
  backdrop-filter: var(--blur);
  border-left: 1px solid rgba(255,255,255,.3);
}

.login-card {
  width: min(100%, 430px);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(255, 255, 255, .62);
  border-radius: 8px;
  padding: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: var(--blur);
}

.login-card h2 { margin: 0 0 6px; font-size: 29px; letter-spacing: 0; }
.hint { color: var(--muted); margin: 0 0 22px; line-height: 1.45; }
.error { color: var(--danger); font-weight: 800; min-height: 20px; }

.field { display: grid; gap: 7px; margin-bottom: 14px; }
label { color: #314154; font-weight: 760; font-size: 13px; }

input, select, textarea {
  width: 100%;
  border: 1px solid rgba(125, 143, 161, .36);
  background: rgba(255, 255, 255, .72);
  color: var(--ink);
  border-radius: 7px;
  padding: 12px 13px;
  outline: 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea {
  background: rgba(16, 25, 34, .72);
  color: var(--ink);
  border-color: rgba(180,196,214,.2);
}

textarea { min-height: 84px; resize: vertical; }

input:focus, select:focus, textarea:focus {
  border-color: rgba(18, 110, 101, .7);
  box-shadow: 0 0 0 4px rgba(18,110,101,.14), inset 0 1px 0 rgba(255,255,255,.7);
  background: rgba(255,255,255,.9);
}

.primary-btn, .ghost-btn, .danger-btn {
  min-height: 42px;
  border-radius: 7px;
  padding: 0 15px;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.primary-btn {
  background: linear-gradient(135deg, #126e65, #0f5f96);
  color: white;
  box-shadow: 0 12px 24px rgba(18, 110, 101, .24);
}

.ghost-btn {
  background: rgba(255, 255, 255, .62);
  color: black;
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.danger-btn {
  background: rgba(255, 240, 237, .82);
  color: var(--danger);
  border: 1px solid rgba(255, 180, 168, .72);
}

.primary-btn:hover, .ghost-btn:hover, .danger-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.app {
  min-height: 100vh;
  display: none;
  grid-template-columns: 268px 1fr;
}

.sidebar {
  color: white;
  min-height: 100vh;
  padding: 22px 16px;
  position: sticky;
  top: 0;
  align-self: start;
  background:
    linear-gradient(180deg, rgba(9, 35, 42, .84), rgba(10, 29, 38, .64)),
    rgba(16, 35, 31, .58);
  border-right: 1px solid rgba(255,255,255,.16);
  box-shadow: 14px 0 42px rgba(16, 24, 40, .16);
  backdrop-filter: var(--blur);
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  padding: 10px 8px 16px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}

.side-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, rgba(18,110,101,.92), rgba(185,129,22,.82));
  box-shadow: 0 12px 26px rgba(0,0,0,.2);
}

.side-brand strong { display: block; font-size: 17px; }
.side-brand span { display: block; color: rgba(255,255,255,.62); font-size: 12px; margin-top: 2px; }
.nav { display: grid; gap: 8px; }

.nav button {
  width: 100%;
  text-align: left;
  color: rgba(255,255,255,.72);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 12px 12px;
  font-weight: 780;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.nav button.active,
.nav button:hover {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.16);
  color: white;
  transform: translateX(2px);
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(255,255,255,.64);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
}

.topbar h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 36px);
  letter-spacing: 0;
}

.top-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-pill {
  border: 1px solid rgba(125, 143, 161, .28);
  background: rgba(255, 255, 255, .66);
  border-radius: 7px;
  min-height: 42px;
  padding: 9px 12px;
  color: #425466;
  font-weight: 760;
  backdrop-filter: blur(14px);
}

.grid { display: grid; gap: 16px; }
.kpi-grid { grid-template-columns: repeat(4, minmax(160px, 1fr)); }
.monitor-grid { grid-template-columns: repeat(4, minmax(160px, 1fr)); }
.two-col { grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); }
.gap-top { margin-top: 16px; }
.gap-top-small { margin-top: 14px; }

.card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.86), transparent);
  pointer-events: none;
}

.card-pad { padding: 18px; }

.kpi {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric span,
.metric small {
  color: var(--muted);
  font-weight: 780;
}

.metric strong {
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: 0;
  margin-top: 12px;
}

.metric.good { border-color: rgba(8,116,67,.28); }
.metric.bad { border-color: rgba(180,35,24,.3); }
.metric.blue { border-color: rgba(15,95,150,.3); }
.metric.warn { border-color: rgba(185,129,22,.3); }

.kpi:nth-child(1) { background: linear-gradient(135deg, rgba(255,255,255,.8), rgba(232,247,241,.78)); }
.kpi:nth-child(2) { background: linear-gradient(135deg, rgba(255,255,255,.78), rgba(237,246,255,.8)); }
.kpi:nth-child(3) { background: linear-gradient(135deg, rgba(255,255,255,.78), rgba(255,246,223,.82)); }
.kpi:nth-child(4) { background: linear-gradient(135deg, rgba(255,255,255,.78), rgba(243,239,255,.76)); }

.kpi span {
  color: var(--muted);
  font-weight: 780;
  font-size: 13px;
}

.kpi strong {
  font-size: clamp(25px, 3vw, 36px);
  letter-spacing: 0;
  margin-top: 12px;
}

.kpi small { color: var(--muted); margin-top: 8px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head h3 { margin: 0; font-size: 19px; letter-spacing: 0; }
.section-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.form-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  padding: 13px 14px;
  border-top: 1px solid rgba(125, 143, 161, .22);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  color: #647488;
  background: rgba(248, 250, 252, .58);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

tbody tr {
  transition: background .16s ease;
}

tbody tr:hover {
  background: rgba(255,255,255,.48);
}

.money { font-weight: 850; color: #101828; }
:root[data-theme="dark"] .money { color: #f8fafc; }
.pos { color: #087443; font-weight: 850; }
.neg { color: #b42318; font-weight: 850; }
:root[data-theme="dark"] .pos { color: #48d597; }
:root[data-theme="dark"] .neg { color: #ff8b7d; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 820;
  background: rgba(237, 242, 247, .82);
  color: #344054;
  border: 1px solid rgba(255,255,255,.55);
}

.badge.good { color: var(--good); background: rgba(232, 247, 239, .86); }
.badge.warn { color: #9a6700; background: var(--warn); }
.badge.bad { color: var(--danger); background: rgba(255, 240, 237, .86); }
.badge.blue { color: var(--primary-2); background: rgba(237, 246, 255, .88); }
.view { display: none; }
.view.active { display: block; }

.calc-box {
  background: rgba(232, 247, 241, .66);
  border: 1px solid rgba(203, 228, 221, .82);
  border-radius: 8px;
  padding: 14px;
  color: #184d43;
  font-weight: 820;
  line-height: 1.45;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.58);
}

.balance-number { font-size: 24px; }
.alert-list {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.card-pad .alert-list,
.alert-list:empty {
  padding: 0;
}

.alert-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.5);
}

:root[data-theme="dark"] .alert-item {
  background: rgba(16, 25, 34, .54);
}

.alert-item strong { font-size: 14px; }
.alert-item span { color: var(--muted); font-size: 13px; }
.alert-item.good { border-color: rgba(8,116,67,.32); }
.alert-item.bad { border-color: rgba(180,35,24,.34); }
.bar-list {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 92px minmax(120px, 1fr) 120px;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  font-weight: 760;
}

.bar-row div {
  height: 12px;
  overflow: hidden;
  border-radius: 7px;
  background: rgba(125, 143, 161, .18);
}

.bar-row b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.bar-row strong {
  text-align: right;
  color: var(--ink);
}
code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
}
.empty { padding: 22px; color: var(--muted); text-align: center; }
.mobile-nav { display: none; }

.scan-page {
  position: relative;
  min-height: 100vh;
  padding: clamp(14px, 4vw, 36px);
}

.scan-shell {
  width: min(100%, 760px);
  margin: 0 auto;
}

.scan-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.scan-head h1 { margin: 0 0 6px; }
.scan-head p { margin: 0; color: var(--muted); }
.scan-mark { margin-bottom: 14px; color: var(--ink); }

.scanner-card {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 68vh;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #081016;
  box-shadow: var(--shadow);
}

#scanVideo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #081016;
}

.scan-frame {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(72%, 430px);
  aspect-ratio: 1.7 / 1;
  transform: translate(-50%, -50%);
  border: 3px solid rgba(255, 255, 255, .92);
  border-radius: 12px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, .24), 0 0 24px rgba(18, 110, 101, .46);
  pointer-events: none;
}

@media (max-width: 1040px) {
  .login-screen, .app { grid-template-columns: 1fr; }
  .login-copy { min-height: 380px; }
  .sidebar { display: none; }
  .mobile-nav {
    display: block;
    margin-bottom: 16px;
    background: rgba(255,255,255,.72);
    backdrop-filter: var(--blur);
  }
  .kpi-grid, .monitor-grid, .two-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .main, .login-panel { padding: 14px; }
  .login-copy { padding: 26px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .top-actions { width: 100%; justify-content: stretch; }
  .top-actions > * { flex: 1 1 auto; }
  .kpi-grid, .monitor-grid, .two-col, .form-grid { grid-template-columns: 1fr; }
  .login-copy h1 { font-size: 40px; }
  .scan-page { padding: 10px; }
  .scan-head { align-items: center; }
  .scanner-card { aspect-ratio: 3 / 4; max-height: 62vh; }
}