:root {
  --paper: #1B1F1D;
  --paper-raised: #242927;
  --paper-sunken: #141715;
  --ink: #ECEEE9;
  --ink-soft: #A8B0A6;
  --ink-faint: #757D74;
  --accent: #6FC3E0;
  --line: #343A33;

  --st-received: #E4C77A; --st-received-bg: #3A311A;
  --st-staged: #C6B6EA;   --st-staged-bg: #2E2740;
  --st-packed: #9CC7EC;   --st-packed-bg: #1E2E3F;
  --st-shipped: #8FD9B3;  --st-shipped-bg: #1B3327;
  --st-problem: #F0A99C;  --st-problem-bg: #3F211C;
  --st-returned: #CBA9E0; --st-returned-bg: #2F2338;
}

:root[data-theme="light"] {
  --paper: #EDEEE7;
  --paper-raised: #F8F8F3;
  --paper-sunken: #E3E4DA;
  --ink: #1C2321;
  --ink-soft: #57615A;
  --ink-faint: #838C82;
  --accent: #1F4E5F;
  --line: #D3D5C9;

  --st-received: #8A6D2F; --st-received-bg: #F1E7CE;
  --st-staged: #6E5B9E;   --st-staged-bg: #E7E1F1;
  --st-packed: #2C5C8A;   --st-packed-bg: #DDE7F1;
  --st-shipped: #2A7350;  --st-shipped-bg: #DCEBE2;
  --st-problem: #A6362A;  --st-problem-bg: #F3DEDA;
  --st-returned: #6C4C86; --st-returned-bg: #E7DFEE;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line); background: var(--paper-raised);
}
.topbar .brand { font-weight: 800; letter-spacing: -0.01em; }
.topbar .who { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--ink-soft); }
.topbar .role-badge {
  font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase;
  background: var(--accent); color: var(--paper-raised); padding: 3px 9px; border-radius: 100px;
}
.topbar button, .btn {
  font: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
  background: var(--accent); color: var(--paper-raised); border: none; border-radius: 4px; padding: 7px 14px;
}
.topbar form { margin: 0; }
.theme-toggle {
  font: inherit; font-size: 12.5px; font-weight: 700; cursor: pointer;
  background: transparent; color: var(--ink-soft); border: 1px solid var(--line);
  border-radius: 4px; padding: 6px 10px;
}
.theme-toggle:hover { background: var(--paper-sunken); }

.page { max-width: 900px; margin: 0 auto; padding: 32px 24px 80px; }
h1 { font-size: 22px; margin: 0 0 6px; }
.subhead { color: var(--ink-soft); font-size: 14px; margin: 0 0 24px; }

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card {
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: 6px;
  padding: 32px; width: 320px;
}
.login-card h1 { font-size: 19px; margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 5px; color: var(--ink-soft); }
.field input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px;
  font: inherit; font-size: 14px; background: var(--paper);
}
.login-card .btn { width: 100%; padding: 9px; margin-top: 6px; }
.error {
  background: var(--st-problem-bg); color: var(--st-problem); font-size: 13px;
  padding: 8px 10px; border-radius: 4px; margin-bottom: 14px;
}

a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

table { border-collapse: collapse; width: 100%; background: var(--paper-raised); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
th { font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); background: var(--paper-sunken); }
tr:last-child td { border-bottom: none; }

.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 100px; font-size: 12px; font-weight: 700; text-transform: capitalize; }
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip.received { background: var(--st-received-bg); color: var(--st-received); }
.chip.staged   { background: var(--st-staged-bg);   color: var(--st-staged); }
.chip.packed   { background: var(--st-packed-bg);   color: var(--st-packed); }
.chip.shipped  { background: var(--st-shipped-bg);  color: var(--st-shipped); }
.chip.problem  { background: var(--st-problem-bg);  color: var(--st-problem); }
.chip.returned { background: var(--st-returned-bg); color: var(--st-returned); }

.stage-form { display: flex; gap: 8px; align-items: center; }
.stage-form select, .stage-form input {
  font: inherit; font-size: 13px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper);
}

.empty { color: var(--ink-faint); font-size: 14px; padding: 24px 0; text-align: center; }

.pager { display: flex; align-items: center; justify-content: space-between; margin: 16px 0; font-size: 13px; color: var(--ink-soft); }
.pager-size { display: flex; align-items: center; gap: 8px; }
.pager-size select { font: inherit; font-size: 13px; padding: 5px 7px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.pager-nav { display: flex; align-items: center; gap: 10px; }
.pager-link { padding: 5px 12px; }

/* Dashboard */
.dashboard-page { max-width: 1080px; }

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi-card { background: var(--paper-raised); border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px; }
.kpi-label { font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.kpi-value { font-size: 22px; font-weight: 800; }
.kpi-sub { font-size: 12px; color: var(--ink-soft); margin-top: 3px; }
.kpi-sub.up { color: var(--st-shipped); font-weight: 700; }
.kpi-sub.down { color: var(--st-problem); font-weight: 700; }

.two-col { display: grid; grid-template-columns: 1.6fr 1fr; gap: 14px; margin-bottom: 20px; }
.two-col.even { grid-template-columns: 1fr 1fr; }
.card { background: var(--paper-raised); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; margin-bottom: 20px; }
.two-col .card { margin-bottom: 0; }
.card-title { font-size: 11px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.card table { border: none; }
.card .empty { padding: 8px 0; text-align: left; }

.trend-chart { width: 100%; height: 130px; overflow: visible; }
.trend-gridline { stroke: var(--line); stroke-width: 1; }
.trend-line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.trend-area { fill: var(--accent); opacity: 0.08; }
.trend-axis { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--ink-faint); margin-top: 4px; }

.status-list { display: flex; flex-direction: column; gap: 9px; }
.status-row { display: flex; align-items: center; justify-content: space-between; }
.status-count { font-size: 12.5px; font-weight: 700; }

.drp { position: relative; }
.drp-btn { display: flex; align-items: center; gap: 6px; }
.drp-menu { display: none; position: absolute; right: 0; top: calc(100% + 6px); z-index: 10; width: 400px; background: var(--paper-raised); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 6px 20px rgba(28, 35, 33, 0.14); }
.drp-menu.open { display: flex; }
.drp-presets { width: 150px; border-right: 1px solid var(--line); padding: 8px; display: flex; flex-direction: column; gap: 2px; }
.drp-preset { display: block; font-size: 12.5px; font-weight: 600; padding: 7px 8px; border-radius: 4px; color: var(--ink); }
.drp-preset:hover { background: var(--paper-sunken); text-decoration: none; }
.drp-preset.active { background: var(--paper-sunken); font-weight: 700; }
.drp-custom { flex: 1; padding: 14px; margin: 0; }
.drp-custom-title { font-size: 10px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.drp-custom .field { margin-bottom: 10px; }
.drp-custom .field label { font-size: 11px; }