:root {
  --bg: #f3eee6;
  --paper: #fffaf4;
  --ink: #1f1914;
  --muted: #6f6458;
  --line: #e4d8cc;
  --accent: #b4532a;
  --accent-dark: #8d3d1d;
  --ok: #2f6b46;
  --warn: #a15c12;
  --danger: #9b2c2c;
  --sidebar: #211c18;
  --sidebar-text: #f4eadf;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

.muted {
  color: var(--muted);
}

.error {
  color: var(--danger);
  margin: 0;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top right, #e8c9ae 0, transparent 34%),
    var(--bg);
}

.login-card {
  width: min(420px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  display: grid;
  gap: 12px;
  box-shadow: 0 18px 50px rgba(33, 28, 24, 0.08);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}

.login-card h1,
.topbar h2,
.panel h3 {
  margin: 0;
}

.login-card label {
  font-size: 13px;
  font-weight: 600;
}

.login-card input,
.toolbar input,
.toolbar select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
}

.login-card button,
.topbar button,
#logout-btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
}

.login-card button,
#refresh-btn {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.login-card button:hover,
#refresh-btn:hover {
  background: var(--accent-dark);
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  background: var(--sidebar);
  color: var(--sidebar-text);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent);
  font-weight: 800;
}

.brand small {
  display: block;
  color: #cbbfb3;
}

.sidebar nav {
  display: grid;
  gap: 6px;
}

.sidebar nav button,
.ghost {
  background: transparent;
  color: inherit;
  border: 0;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.sidebar nav button.active,
.sidebar nav button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.ghost {
  margin-top: auto;
  color: #cbbfb3;
}

main {
  padding: 24px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.topbar,
.toolbar,
.cards,
.grid-2 {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.stamp {
  background: #efe4d8;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  width: 100%;
}

.card,
.panel,
.table-wrap {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card {
  padding: 16px;
}

.card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.card strong {
  font-size: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  width: 100%;
  align-items: start;
}

.panel {
  padding: 16px;
}

.toolbar {
  justify-content: flex-start;
}

.toolbar input,
.toolbar select {
  max-width: 320px;
}

.table-wrap {
  overflow: auto;
}

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

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 700;
}

.badge.debt {
  background: #f8e6c8;
  color: var(--warn);
}

.badge.paid {
  background: #dcefe3;
  color: var(--ok);
}

.badge.cancelled {
  background: #f3d6d6;
  color: var(--danger);
}

.stock-low {
  color: var(--danger);
  font-weight: 700;
}

.empty {
  padding: 28px 16px;
  color: var(--muted);
}

.list-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.list-row:last-child {
  border-bottom: 0;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .sidebar nav {
    grid-auto-flow: column;
    overflow: auto;
    width: 100%;
  }

  .ghost {
    margin-top: 0;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}