:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border-2);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

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

.topbar nav {
  display: flex;
  gap: 6px;
  margin-left: 8px;
}

.topbar nav a {
  padding: 8px 14px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
}

.topbar nav a.active {
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent);
}

.topbar nav a:not(.active):hover {
  color: var(--text);
}

.topbar .spacer {
  flex: 1;
}

.topbar button {
  background: none;
  border: 1px solid var(--border-2);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.topbar button:hover {
  color: var(--text);
  border-color: var(--muted);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 16px;
  margin-bottom: 16px;
}

.balance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.balance-tile {
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 18px;
}

.balance-tile .label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.balance-tile .value {
  font-size: 26px;
  font-weight: 700;
}

.balance-tile .value.accent {
  color: var(--accent);
}

.balance-tile .value.green {
  color: var(--green);
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea {
  resize: vertical;
  min-height: 60px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.radio-row {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.radio-option {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-2);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  text-align: center;
  user-select: none;
}

.radio-option input {
  position: absolute;
  opacity: 0;
}

.radio-option.selected {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent);
}

button.primary {
  background: var(--accent);
  border: none;
  color: #0d1117;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

button.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.ghost {
  background: none;
  border: 1px solid var(--border-2);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

button.ghost:hover {
  border-color: var(--muted);
}

button.danger {
  background: none;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-2);
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

td .actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 30px;
  font-size: 14px;
}

.stock {
  font-weight: 600;
}

.stock.low {
  color: var(--amber);
}

.stock.out {
  color: var(--red);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.local {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.badge.worldwide {
  background: rgba(210, 153, 34, 0.15);
  color: var(--amber);
}

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-box {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border-2);
  border-radius: 12px;
  padding: 32px;
}

.auth-box .brand {
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 6px;
}

.auth-box .subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.auth-box form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  background: var(--panel);
  border: 1px solid var(--green);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
  z-index: 100;
}

.toast--error {
  border-color: var(--red);
}

.toast--visible {
  opacity: 1;
  transform: translate(-50%, 0);
}