/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --bg: #f0f2f5;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #eef2f7;
  --ink: #1a1f2e;
  --ink-2: #374151;
  --muted: #6b7280;
  --border: #e2e8f0;
  --border-2: #cbd5e1;

  --primary: #1e40af;
  --primary-hover: #1e3a8a;
  --primary-light: #dbeafe;
  --primary-mid: #3b82f6;

  --accent: #0f766e;
  --accent-hover: #0d6460;
  --accent-light: #ccfbf1;

  --orange: #ea580c;
  --orange-hover: #c2410c;
  --orange-light: #ffedd5;

  --success: #16a34a;
  --success-light: #dcfce7;
  --warn: #d97706;
  --warn-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --info: #0284c7;
  --info-light: #e0f2fe;
  --purple: #7c3aed;
  --purple-light: #ede9fe;
  --cyan: #0891b2;
  --cyan-light: #cffafe;

  --sidebar-w: 220px;
  --topbar-h: 46px;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 2px 8px rgba(0,0,0,.1);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-width: 1100px;
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; }
button { border: none; cursor: pointer; }
h1, h2, h3, p { margin: 0; }

/* ─── Typography ─────────────────────────────────────────── */
h1 { font-size: 18px; font-weight: 700; line-height: 1.2; }
h2 { font-size: 14px; font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 13px; font-weight: 600; }

label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.mono { font-family: 'IBM Plex Mono', 'Consolas', monospace; font-size: 12px; }
.muted { color: var(--muted); }

/* ─── Form Controls ──────────────────────────────────────── */
input, select, textarea {
  width: 100%;
  min-height: 28px;
  padding: 4px 8px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary-mid);
  box-shadow: 0 0 0 2px rgba(59,130,246,.15);
}
textarea { min-height: 54px; resize: vertical; }
input[readonly] { background: var(--surface-3); color: var(--muted); }

/* ─── App Shell ──────────────────────────────────────────── */
.app-shell { display: flex; min-height: 100vh; }

/* ─── Sidebar ────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  background: var(--primary);
  color: #fff;
  z-index: 10;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  flex-shrink: 0;
}

.brand-logo {
  width: 32px; height: 24px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  padding: 2px;
  flex-shrink: 0;
}

.logo-text { font-size: 13px; font-weight: 700; line-height: 1.2; color: #fff; }
.logo-sub { font-size: 10px; color: rgba(255,255,255,.6); margin-top: 1px; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 8px;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section-label {
  padding: 10px 8px 3px;
  color: rgba(255,255,255,.45);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav-item {
  width: 100%;
  min-height: 32px;
  padding: 5px 10px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  color: rgba(255,255,255,.75);
  text-align: left;
  font-size: 12.5px;
  font-weight: 500;
  transition: background .12s, color .12s;
  gap: 6px;
}
.nav-item:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav-item.active { background: rgba(255,255,255,.18); color: #fff; font-weight: 700; }

.nav-badge {
  min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 999px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.2);
  font-size: 10px; font-weight: 700;
  flex-shrink: 0;
}
.nav-item.active .nav-badge { background: rgba(255,255,255,.3); }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-shrink: 0;
}

.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,.2);
  font-size: 11px; font-weight: 700; color: #fff;
  flex-shrink: 0;
}

.user-name { font-size: 12px; font-weight: 600; color: #fff; }
.user-role { font-size: 10px; color: rgba(255,255,255,.55); text-transform: capitalize; }

/* ─── Main Content ───────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  width: calc(100% - var(--sidebar-w));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky; top: 0; z-index: 5;
  height: var(--topbar-h);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.page-title { font-size: 14px; font-weight: 700; color: var(--ink); }
.page-breadcrumb { font-size: 11px; color: var(--muted); margin-top: 1px; }

.system-mail {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
}

.content { padding: 12px 16px 20px; flex: 1; }

/* ─── Login ──────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
}

.login-card {
  width: 380px;
  padding: 28px 28px 24px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.login-logo { width: 72px; height: 46px; object-fit: contain; margin-bottom: 16px; display: block; }

.login-card h1 { font-size: 20px; margin-bottom: 6px; }
.login-card p { color: var(--muted); font-size: 12.5px; margin-bottom: 18px; line-height: 1.5; }
.login-card label { margin-bottom: 4px; }
.login-card select { margin-bottom: 14px; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  min-height: 32px;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600;
  font-size: 12.5px;
  transition: background .12s, opacity .12s;
  white-space: nowrap;
  gap: 6px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { border: 1px solid var(--border-2); background: #fff; color: var(--ink-2); }
.btn-secondary:hover { background: var(--surface-3); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-3); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-hover); }
.btn-lg { min-height: 36px; padding: 7px 18px; font-size: 13px; }
.btn-sm { min-height: 26px; padding: 3px 10px; font-size: 11.5px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-row {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  margin-top: 12px;
}

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 10px;
}
.card-pad { padding: 14px; }
.card-header { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.card-title { font-size: 13px; font-weight: 700; }

/* ─── Stats ──────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.stat-card {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.stat-label { color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { margin-top: 4px; font-size: 26px; font-weight: 800; line-height: 1; color: var(--primary); }

/* ─── Table ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.data-table th {
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.data-table tbody tr:hover td { background: #f8fafc; }
.data-table td { font-size: 12.5px; }

/* ─── Badges ─────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  min-height: 20px; padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px; font-weight: 700; white-space: nowrap;
  text-transform: uppercase; letter-spacing: .03em;
}
.badge.pending_approval, .badge.partially_approved { background: var(--warn-light); color: var(--warn); }
.badge.approved { background: var(--success-light); color: var(--success); }
.badge.purchasing { background: var(--info-light); color: var(--info); }
.badge.waiting_goods { background: var(--cyan-light); color: var(--cyan); }
.badge.partially_received { background: var(--purple-light); color: var(--purple); }
.badge.closed { background: var(--success-light); color: #166534; }
.badge.rejected, .badge.cancelled { background: var(--danger-light); color: var(--danger); }
.badge.draft, .badge.hold { background: #e5e7eb; color: #374151; }

/* ─── New PR Form ────────────────────────────────────────── */
.section-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  margin-bottom: 10px;
}
.section-header h1 { margin-bottom: 2px; }
.section-header p { color: var(--muted); font-size: 12px; }

.section-line {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}

.form-top-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.form-panel {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
.form-panel h2 {
  font-size: 12px; font-weight: 700;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--primary);
}

.field-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  margin-bottom: 5px;
}
.field-row:last-child { margin-bottom: 0; }
.field-row label {
  text-align: right;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
.field-row label.required::after { content: " *"; color: var(--danger); }
.approver-row { align-items: start; }

.inline-approvers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}
.inline-approvers label {
  min-height: 28px; padding: 5px 8px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  text-align: left; font-size: 12px; font-weight: 500;
  text-transform: none; letter-spacing: 0; color: var(--ink);
  display: flex; align-items: center; gap: 6px;
}
.inline-approvers label::after { content: ""; }
.inline-approvers input { width: auto; min-height: 0; margin: 0; }

.compact-note { margin-left: 120px; color: var(--muted); font-size: 11px; margin-bottom: 4px; }

.reason-row { grid-template-columns: 112px minmax(0, 1fr); }
.reason-row textarea { min-height: 34px; }

/* ─── Item Table ─────────────────────────────────────────── */
.items-panel { margin-bottom: 8px; }
.items-panel .section-line { align-items: center; margin-bottom: 8px; }
.items-panel .section-line h2 { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }

.pr-item-table {
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pr-item-head,
.pr-item-row {
  display: grid;
  grid-template-columns: 34px minmax(240px, 1fr) 150px 60px 65px 95px 140px minmax(140px, 0.7fr) 36px;
  align-items: center;
}

.pr-item-head {
  min-height: 28px;
  padding: 0 8px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.pr-item-row {
  padding: 0 8px;
  min-height: 30px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.pr-item-row:nth-child(even) { background: #fafbfc; }

.pr-row-no {
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 11px; font-weight: 700;
}

.pr-item-row input,
.pr-item-row select {
  min-height: 24px; border-radius: 0;
  border-color: transparent; font-size: 12px; padding: 2px 4px;
}
.pr-item-row input:focus { border-color: var(--primary-mid); }
.pr-item-row input[type="file"] { padding: 3px; font-size: 11px; }

.pr-total-bar {
  min-height: 30px; padding: 4px 12px;
  display: flex; justify-content: flex-end; align-items: center; gap: 10px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px; font-weight: 600;
}
.pr-total-bar strong { color: var(--orange); font-size: 16px; font-weight: 800; }

/* ─── Budget insight ─────────────────────────────────────── */
.budget-insight {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 6px; padding: 7px 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  color: var(--ink-2); font-size: 11.5px;
}
.budget-insight strong { color: var(--ink); font-weight: 700; }
.budget-insight em { color: var(--danger); font-style: normal; font-weight: 700; }
.budget-insight.warn { border-color: #fca5a5; background: #fff5f5; }

/* ─── Quote Panel ────────────────────────────────────────── */
.quote-panel { margin-bottom: 8px; }
.quote-panel .field-row { margin-bottom: 4px; }

/* ─── Approvals ──────────────────────────────────────────── */
.approval-card { margin-bottom: 10px; }

.approval-chain {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px;
}
.approval-node {
  display: flex; align-items: center; gap: 8px;
  min-width: 160px; padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: #fff;
}
.approval-node.approved { border-color: var(--success); background: var(--success-light); }
.approval-node.pending { border-color: #d8c9a5; background: #fffaf0; }

.approval-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor; color: var(--warn); flex-shrink: 0;
}
.approval-node.approved .approval-dot { color: var(--success); }
.approval-node span { color: var(--muted); font-size: 11px; }

.items-mini { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.items-mini td { padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 12px; }

/* ─── Status Steps ───────────────────────────────────────── */
.steps { display: flex; align-items: center; margin-top: 14px; margin-bottom: 6px; }
.step { display: flex; align-items: center; flex: 1; min-width: 0; }
.step-circle {
  width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  border: 2px solid var(--border); color: var(--muted);
  background: #fff; font-size: 10px; font-weight: 800;
  flex-shrink: 0;
}
.step.done .step-circle { border-color: var(--success); background: var(--success); color: #fff; }
.step-label { margin-left: 6px; color: var(--muted); font-size: 10px; font-weight: 700; white-space: nowrap; }
.step.done .step-label { color: var(--success); }
.step-line { flex: 1; height: 2px; margin: 0 6px; background: var(--border); }
.step.done .step-line { background: var(--success); }

/* ─── Detail View ────────────────────────────────────────── */
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 360px;
  gap: 10px;
}

.detail-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px; padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.image-thumb {
  min-height: 64px; padding: 8px;
  border: 1px dashed var(--border-2);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--surface-2);
  color: var(--muted); font-size: 11px; text-align: center;
}

.audit-item {
  padding: 8px 0 8px 10px;
  border-left: 2px solid var(--border-2);
  font-size: 12px; margin-bottom: 6px;
}
.audit-item strong { font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--primary); }
.audit-item span { color: var(--muted); font-size: 11px; }

/* ─── Purchasing Board ───────────────────────────────────── */
.action-stack { display: flex; gap: 6px; align-items: center; }

.purchase-item-head,
.purchase-item-row {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 110px 130px 110px 110px 120px 110px;
  gap: 6px; align-items: center;
}
.purchase-item-head {
  min-height: 30px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--surface-3);
  color: var(--muted); font-size: 10px; font-weight: 700; text-transform: uppercase;
}
.purchase-item-row {
  padding: 7px 10px;
  border: 1px solid var(--border); border-top: 0; background: #fff;
}
.purchase-item-row input, .purchase-item-row select {
  min-height: 26px; padding: 3px 6px; border-radius: var(--radius-sm); font-size: 12px;
}

/* ─── PO Builder ─────────────────────────────────────────── */
.po-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 10px;
}

.form-grid { display: grid; gap: 12px; }
.form-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.po-item-list { display: grid; gap: 6px; }
.po-item-check {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center; gap: 8px;
  min-height: 36px; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink); font-size: 12.5px; font-weight: 600;
}
.po-item-check input { width: auto; min-height: 0; }
.po-item-check em { color: var(--muted); font-style: normal; font-weight: 500; font-size: 12px; }

.po-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.po-row span { color: var(--muted); font-size: 11.5px; }

.divider { height: 1px; margin: 12px 0; background: var(--border); }

/* ─── Admin / Store ──────────────────────────────────────── */
.future-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
}
.future-grid div {
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--surface-2);
}
.future-grid strong, .future-grid span { display: block; }
.future-grid strong { font-size: 13px; }
.future-grid span { margin-top: 3px; color: var(--muted); font-size: 11px; }

.empty-state {
  padding: 40px 22px; color: var(--muted); text-align: center; font-size: 13px;
}

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