:root {
  --bg: #0f1117;
  --s1: #13161e;
  --s2: #181c26;
  --s3: #1f2535;
  --border: #2a3148;
  --border-strong: #343d5a;
  --amber: #f5a623;
  --amber-light: #f7c050;
  --amber-glow: rgba(245, 166, 35, 0.08);
  --amber-border: rgba(245, 166, 35, 0.25);
  --green: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.08);
  --green-border: rgba(34, 197, 94, 0.25);
  --red: #f43f5e;
  --red-glow: rgba(244, 63, 94, 0.08);
  --red-border: rgba(244, 63, 94, 0.25);
  --text: #dce3f0;
  --text-soft: #7a8aaa;
  --muted: #4a5470;
  --grid-line: rgba(42, 49, 72, 0.3);
  --topbar-bg: rgba(15, 17, 23, 0.95);
  --row-hover: rgba(255, 255, 255, 0.03);
  --status-ok: #22c55e;
  --status-error: #f43f5e;
  --mono: "JetBrains Mono", monospace;
  --sans: "DM Sans", sans-serif;
}

html[data-theme="light"] {
  --bg: #f1f4fb;
  --s1: #ffffff;
  --s2: #f7f9ff;
  --s3: #eef2fb;
  --border: #cfd6e6;
  --border-strong: #b7c1d8;
  --amber-glow: rgba(245, 166, 35, 0.14);
  --amber-border: rgba(245, 166, 35, 0.35);
  --green: #18894a;
  --green-glow: rgba(24, 137, 74, 0.1);
  --green-border: rgba(24, 137, 74, 0.3);
  --red: #be2f46;
  --red-glow: rgba(190, 47, 70, 0.1);
  --red-border: rgba(190, 47, 70, 0.3);
  --text: #171d2e;
  --text-soft: #4b5978;
  --muted: #7b87a2;
  --grid-line: rgba(95, 113, 154, 0.22);
  --topbar-bg: rgba(241, 244, 251, 0.95);
  --row-hover: rgba(27, 38, 69, 0.06);
  --status-ok: #18894a;
  --status-error: #be2f46;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.login-screen {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(460px, 100%);
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  display: grid;
  gap: 0.8rem;
  text-align: center;
}

.login-card h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.92rem;
  letter-spacing: 2px;
}

.login-card h1 span {
  color: var(--amber);
}

.login-card p {
  margin: 0;
  color: var(--text-soft);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  padding: max(0.35rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.35rem
    max(1rem, env(safe-area-inset-left));
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tb-stripe {
  width: 3px;
  height: 30px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber), var(--amber-light));
  flex-shrink: 0;
}

.topbar-brand h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--text);
}

.topbar-brand h1 span {
  color: var(--amber);
}

.topbar-brand p {
  margin: 0.15rem 0 0;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 1.4px;
  color: var(--muted);
  text-transform: uppercase;
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar-strip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 1300px;
  margin: 0 auto;
  padding: 1rem max(1rem, env(safe-area-inset-right)) calc(1rem + env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

h2 {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.tx-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 1.25px;
  text-transform: uppercase;
  color: var(--text-soft);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 0.75rem;
  background: var(--s3);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

input::placeholder {
  color: var(--muted);
}

.inline-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.45rem;
}

button {
  min-height: 44px;
  border: none;
  border-radius: 8px;
  padding: 0 0.9rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.9px;
  transition: transform 0.08s, border-color 0.15s, color 0.15s, background 0.15s;
}

button:active {
  transform: scale(0.98);
}

button.primary {
  background: linear-gradient(135deg, var(--amber), var(--amber-light));
  color: #10131a;
}

button.secondary {
  background: transparent;
  color: var(--text-soft);
  border: 1px solid var(--border);
}

button.secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.theme-btn {
  width: 40px;
  min-height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--s3);
  color: var(--text-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  line-height: 1;
}

.theme-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.theme-btn:active {
  transform: scale(0.94);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  grid-column: 1 / -1;
  font-size: 0.68rem;
}

.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--amber);
}

.tx-form button.primary {
  grid-column: 1 / -1;
}

.status {
  margin: 0.75rem 0 0;
  min-height: 1.2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.7px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.metric {
  background: var(--s3);
  border: 1px solid var(--border);
  border-top: 2px solid var(--amber);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
}

.metric h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.57rem;
  letter-spacing: 1.3px;
  color: var(--muted);
  text-transform: uppercase;
}

.metric p {
  margin: 0.35rem 0 0;
  font-family: var(--mono);
  font-size: 1.45rem;
  color: var(--text);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filters input,
.filters select {
  min-width: 160px;
}

.table-wrap {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 680px;
}

thead th {
  background: var(--s1);
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 0.62rem 0.7rem;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

tbody td {
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0.7rem;
  white-space: nowrap;
}

tbody tr:hover {
  background: var(--row-hover);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  border-radius: 999px;
  padding: 0 0.7rem;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.user-pill {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pill.online {
  background: var(--green-glow);
  border-color: var(--green-border);
  color: var(--green);
}

.pill.offline {
  background: var(--red-glow);
  border-color: var(--red-border);
  color: var(--red);
}

.hidden {
  display: none !important;
}

.scan-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.scan-page .scan-wrap {
  width: min(520px, 100%);
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
}

.scan-wrap {
  padding: 0.85rem;
  display: grid;
  gap: 0.65rem;
}

#scanReader {
  border-radius: 8px;
  overflow: hidden;
}

#scanStatus {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-soft);
}

.scan-actions {
  display: grid;
  gap: 0.45rem;
}

@media (max-width: 1000px) {
  .tx-form {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    height: auto;
    padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) 0.75rem
      max(0.75rem, env(safe-area-inset-left));
    flex-wrap: wrap;
  }

  .topbar-brand p {
    display: none;
  }

  .topbar-actions {
    width: 100%;
    margin-left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: stretch;
  }

  .user-pill {
    max-width: 100%;
    justify-content: flex-start;
  }

  .topbar-strip {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .topbar-strip::-webkit-scrollbar {
    display: none;
  }

  .topbar-strip > * {
    flex-shrink: 0;
    scroll-snap-align: start;
  }

  .filters {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filters input,
  .filters select,
  .filters button {
    min-width: 0;
    width: 100%;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .layout {
    gap: 0.75rem;
    padding-top: 0.75rem;
  }

  .card {
    padding: 0.85rem;
    border-radius: 10px;
  }

  .inline-input {
    grid-template-columns: 1fr;
  }

  .filters {
    grid-template-columns: 1fr;
  }

  .topbar-strip {
    gap: 0.4rem;
  }

  .scan-actions {
    grid-template-columns: 1fr;
  }
}