:root {
  --bg: #f6f7f5;
  --panel: #ffffff;
  --ink: #1c2321;
  --ink-dim: #5b6560;
  --line: #dde1de;
  --accent: #2f6f4f;       /* deep green - "on track" */
  --warn: #b4770a;         /* amber - "watch" */
  --danger: #a4342a;       /* brick red - "overdue / backorder" */
  --danger-bg: #fbeae8;
  --warn-bg: #fdf3e0;
  --ok-bg: #eaf3ec;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
}

header.topbar {
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

header.topbar h1 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

header.topbar h1 .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.upload-controls { display: flex; gap: 8px; align-items: center; }

.btn {
  background: #2a332f;
  color: #fff;
  border: 1px solid #3d4841;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--sans);
  transition: background 0.15s;
}
.btn:hover { background: #384540; }
.btn.primary { background: var(--accent); border-color: var(--accent); }
.btn.primary:hover { background: #275f43; }
.btn:disabled { opacity: 0.5; cursor: default; }

main { max-width: 1400px; margin: 0 auto; padding: 20px 24px 60px; }

.summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
}
.stat-card .num { font-family: var(--mono); font-size: 26px; font-weight: 600; }
.stat-card .label { color: var(--ink-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; margin-top: 2px; }
.stat-card.danger .num { color: var(--danger); }
.stat-card.warn .num { color: var(--warn); }

.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.tab {
  padding: 9px 16px; cursor: pointer; font-weight: 500; color: var(--ink-dim);
  border-bottom: 2px solid transparent; user-select: none;
}
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }

.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.filters input[type="text"] {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; min-width: 220px;
  font-family: var(--sans);
}
.filters select {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; background: #fff;
}
.filters label { font-size: 13px; color: var(--ink-dim); display: flex; align-items: center; gap: 5px; }

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
table.data th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  white-space: nowrap;
}
table.data th:hover { color: var(--ink); }
table.data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 13px;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: #fafbfa; }
table.data tr.resolved td { opacity: 0.45; }

.mono { font-family: var(--mono); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge.ok { background: var(--ok-bg); color: var(--accent); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.neutral { background: #eef0ee; color: var(--ink-dim); }

.date-cell.overdue { color: var(--danger); font-weight: 600; }
.date-cell.soon { color: var(--warn); font-weight: 600; }

select.priority-select {
  font-size: 12px; padding: 3px 6px; border-radius: 5px; border: 1px solid var(--line); background: #fff;
}
textarea.notes-input {
  width: 100%; min-width: 160px; font-size: 12px; font-family: var(--sans);
  border: 1px solid transparent; border-radius: 5px; padding: 4px 6px; resize: vertical;
  background: transparent;
}
textarea.notes-input:hover, textarea.notes-input:focus { border-color: var(--line); background: #fff; }

.resolve-check { width: 16px; height: 16px; cursor: pointer; }

.lines-detail { font-size: 12px; color: var(--ink-dim); }
.lines-detail div { margin-bottom: 2px; }

.empty-state {
  text-align: center; padding: 60px 20px; color: var(--ink-dim);
}
.empty-state h2 { color: var(--ink); font-size: 18px; margin-bottom: 6px; }

.toast {
  position: fixed; bottom: 20px; right: 20px; background: var(--ink); color: #fff;
  padding: 12px 18px; border-radius: 8px; font-size: 13px; box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0; transform: translateY(8px); transition: all 0.2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

input[type="file"] { display: none; }

/* Expand/collapse order rows */
.order-toggle { cursor: pointer; user-select: none; white-space: nowrap; }
.order-toggle .chevron { display: inline-block; width: 12px; color: var(--ink-dim); }
.order-main.expanded td { background: #f3f6f4; }
tr.order-main.completed td { opacity: 0.5; }

/* Line-items detail sub-table */
.order-detail-row td { background: #f3f6f4; padding: 8px 12px 14px 34px; }
table.line-items {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
table.line-items th {
  text-align: left;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-dim);
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.line-items td {
  padding: 6px 8px;
  border-bottom: 1px solid #eef0ee;
  font-size: 12px;
  vertical-align: top;
}
table.line-items tr:last-child td { border-bottom: none; }

/* PO ETA input */
.eta-cell { white-space: nowrap; }
.eta-input {
  font-size: 12px;
  padding: 4px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--mono);
  background: #fff;
}
.eta-input:hover { border-color: var(--ink-dim); }

/* Do Not Commit emphasis */
tr.order-main.dnc td { background: #fbf4ec; }
tr.order-main.dnc.expanded td { background: #f7ece0; }
table.line-items tr.line-dnc td { background: #fbeae8; }

/* ===================== Auth pages & controls ===================== */
.auth-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
}
.auth-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 30px; width: 100%; max-width: 380px;
  box-shadow: 0 6px 30px rgba(0,0,0,0.06);
}
.auth-card h1 { font-size: 16px; margin: 0 0 18px; display: flex; align-items: center; gap: 8px; }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.auth-tab {
  padding: 8px 14px; cursor: pointer; color: var(--ink-dim); font-weight: 500;
  border-bottom: 2px solid transparent;
}
.auth-tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.auth-panel label { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 12px; }
.auth-panel label .hint { color: var(--ink-dim); font-weight: 400; }
.auth-panel input {
  display: block; width: 100%; margin-top: 4px; padding: 9px 10px;
  border: 1px solid var(--line); border-radius: 6px; font-size: 14px; font-family: var(--sans);
}
.auth-submit { width: 100%; margin-top: 4px; }
.auth-msg { margin-top: 12px; font-size: 13px; min-height: 18px; }
.auth-msg.error { color: var(--danger); }
.auth-msg.success { color: var(--accent); }
.auth-note { font-size: 12px; color: var(--ink-dim); margin-top: 14px; line-height: 1.5; }

/* User menu in top bar */
.user-menu { display: flex; align-items: center; gap: 12px; }
.user-menu .who { font-size: 13px; color: #cdd4d0; }
.user-menu .who strong { color: #fff; font-weight: 600; }

/* Modal (change password, admin panel) */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20,25,23,0.5);
  display: none; align-items: center; justify-content: center; z-index: 50;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--panel); border-radius: 12px; padding: 24px 26px;
  width: 100%; max-width: 560px; max-height: 82vh; overflow: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal h2 { font-size: 16px; margin: 0 0 16px; }
.modal label { display: block; font-size: 13px; color: var(--ink-dim); margin-bottom: 12px; }
.modal input {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--line); border-radius: 6px; font-size: 14px;
}
.modal .modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }
.modal-msg { font-size: 13px; min-height: 18px; margin-top: 6px; }
.modal-msg.error { color: var(--danger); }
.modal-msg.success { color: var(--accent); }
.btn.ghost { background: transparent; color: var(--ink-dim); border-color: var(--line); }
.btn.ghost:hover { background: #f0f2f0; }

/* Users table in admin panel */
table.users { width: 100%; border-collapse: collapse; margin-top: 4px; }
table.users th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--ink-dim); padding: 8px 10px; border-bottom: 1px solid var(--line);
}
table.users td { padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: middle; }
.status-pill { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.status-pill.pending { background: var(--warn-bg); color: var(--warn); }
.status-pill.approved { background: var(--ok-bg); color: var(--accent); }
.status-pill.revoked { background: var(--danger-bg); color: var(--danger); }
.user-actions { display: flex; gap: 6px; }
.btn.tiny { padding: 4px 10px; font-size: 12px; }