/* ── Design tokens ─────────────────────────────────────────────────── */
:root {
  --navy:        #1F3864;
  --navy-deep:   #142849;
  --navy-soft:   #2a4a82;
  --blue:        #2E75B6;
  --blue-soft:   #4a8cca;
  --blue-bg:     #eaf2fa;
  --ink:         #1a2540;
  --ink-soft:    #4a5a78;
  --muted:       #8895ab;
  --paper:       #ffffff;
  --paper-soft:  #f7f9fc;
  --line:        #e1e7ef;
  --line-strong: #c8d2df;

  --ok:          #1f9d57;
  --ok-bg:       #e3f5ec;
  --warn:        #c98a17;
  --warn-bg:     #fdf3dc;
  --err:         #c5392f;
  --err-bg:      #fbe6e3;
  --neutral-bg:  #eef1f5;

  --env-test:        #c98a17;
  --env-test-bg:     #fff4d6;
  --env-prod:        #1f9d57;
  --env-prod-bg:     #d4f0e0;

  --shadow-card: 0 1px 3px rgba(20,40,73,0.06), 0 4px 16px rgba(20,40,73,0.04);
  --radius:      8px;

  --sidebar-w:   240px;
}

/* ── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
input, button, textarea, select { font: inherit; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper-soft);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Login page ────────────────────────────────────────────────────── */
.login-body {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 60%, var(--blue) 130%);
  padding: 32px 16px;
}
.login-card {
  background: var(--paper);
  width: 100%;
  max-width: 380px;
  padding: 40px 32px;
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.18);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-orb {
  width: 56px; height: 56px; margin: 0 auto 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #aabeff 0%, #2E75B6 45%, #1F3864 100%);
  box-shadow: 0 4px 16px rgba(31,56,100,0.35), inset 0 1px 0 rgba(255,255,255,0.5);
}
.login-brand h1 { font-size: 22px; font-weight: 700; color: var(--ink); }
.login-sub { color: var(--muted); font-size: 13px; margin-top: 4px; }

.login-form { display: flex; flex-direction: column; gap: 10px; }
.login-form label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.login-form input {
  font-size: 16px; padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.login-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,117,182,0.18);
}
.login-form button {
  margin-top: 8px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: var(--radius);
  transition: background .15s;
}
.login-form button:hover:not(:disabled) { background: var(--blue-soft); }
.login-form button:disabled { opacity: .6; cursor: not-allowed; }
.login-error {
  color: var(--err);
  background: var(--err-bg);
  border: 1px solid #f1c2bd;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-top: 4px;
}

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

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 8px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 16px;
}
.sidebar-orb {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #aabeff 0%, #2E75B6 45%, #142849 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
  flex-shrink: 0;
}
.sidebar-brand h1 {
  font-size: 16px; font-weight: 700; color: #fff;
  line-height: 1.2;
}
.sidebar-brand .sub { font-size: 11px; color: rgba(255,255,255,0.55); }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: background .15s, color .15s;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav a.active {
  background: var(--blue);
  color: #fff;
}
.sidebar-nav svg { width: 18px; height: 18px; stroke-width: 1.8; }

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-direction: column; gap: 8px;
}
.sidebar-footer .env-badge {
  align-self: flex-start;
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  padding: 4px 8px; border-radius: 4px;
  text-transform: uppercase;
}
.env-badge.env-test { background: var(--env-test-bg); color: var(--env-test); }
.env-badge.env-prod { background: var(--env-prod-bg); color: var(--env-prod); }
.env-badge.env-unknown { background: var(--neutral-bg); color: var(--ink-soft); }

.sidebar-footer button.logout {
  text-align: left;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  padding: 8px 10px;
  border-radius: 6px;
  transition: background .15s, color .15s;
}
.sidebar-footer button.logout:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ── Main content ──────────────────────────────────────────────────── */
.content {
  flex: 1;
  padding: 32px 40px 80px;
  max-width: 1280px;
  width: 100%;
}
.page-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--ink); }
.page-header .subtitle { color: var(--muted); font-size: 14px; margin-top: 4px; }
.page-header .actions { display: flex; gap: 8px; }

/* ── Cards / panels ────────────────────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
}
.card + .card { margin-top: 16px; }
.card h2 {
  font-size: 16px; font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
}
.stat-card .label {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em;
  font-weight: 600;
}
.stat-card .value {
  font-size: 28px; font-weight: 700;
  color: var(--ink);
  margin-top: 6px;
  line-height: 1.1;
}
.stat-card .meta {
  font-size: 12px; color: var(--muted);
  margin-top: 6px;
}
.stat-card.ok .value { color: var(--ok); }
.stat-card.warn .value { color: var(--warn); }
.stat-card.err .value { color: var(--err); }

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px; font-weight: 600;
  background: var(--blue);
  color: #fff;
  transition: background .15s, transform .05s, opacity .15s;
}
.btn:hover:not(:disabled) { background: var(--blue-soft); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.btn-ghost {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--line-strong);
}
.btn.btn-ghost:hover:not(:disabled) { background: var(--blue-bg); border-color: var(--blue); }
.btn.btn-danger { background: var(--err); }
.btn.btn-danger:hover:not(:disabled) { background: #a52d24; }
.btn.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ── Tables ────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
table.data {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
table.data th, table.data td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.data th {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted);
  background: var(--paper-soft);
  border-bottom: 1px solid var(--line-strong);
}
table.data tr:last-child td { border-bottom: none; }
table.data tr.inactive td { color: var(--muted); background: var(--paper-soft); }
table.data tr.unassigned { background: var(--warn-bg); }
table.data td.code { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 12.5px; }
table.data td.actions { white-space: nowrap; text-align: right; }
table.data td.actions .btn { margin-left: 6px; }

.expand-row td {
  background: var(--paper-soft);
  padding: 12px 24px 16px;
}
.expand-row pre {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 12px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  overflow: auto;
  max-height: 360px;
  color: var(--ink);
}

/* ── Status badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 4px;
  text-transform: uppercase;
}
.badge.active, .badge.synced { background: var(--ok-bg); color: var(--ok); }
.badge.pending { background: var(--warn-bg); color: var(--warn); }
.badge.inactive, .badge.failed { background: var(--err-bg); color: var(--err); }
.badge.unassigned { background: var(--warn-bg); color: var(--warn); }
.badge.neutral { background: var(--neutral-bg); color: var(--ink-soft); }

/* ── Forms ─────────────────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.form-row label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-soft); font-weight: 600; }
.form-row input, .form-row select {
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-row input:focus, .form-row select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,117,182,0.15);
}
.form-actions { display: flex; gap: 8px; margin-top: 4px; }

.field-error { color: var(--err); font-size: 12px; margin-top: 4px; }
.field-help { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ── Commission carrier / tier editor ──────────────────────────────── */
.carrier-card-head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.carrier-card-head label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--ink-soft); font-weight: 600;
}
.carrier-name-field { min-width: 200px; }
.carrier-card input,
.carrier-card select {
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.carrier-card input:focus,
.carrier-card select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,117,182,0.15);
}
.carrier-card input[readonly] {
  background: var(--paper-soft, #f4f6fa);
  color: var(--muted);
}
.min-threshold-field,
.flat-rate-field {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--ink-soft); font-weight: 600;
  max-width: 260px;
  margin-bottom: 12px;
}

.tier-grid-head,
.tier-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
  align-items: center;
}
.tier-grid-head {
  font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); margin-bottom: 6px;
}
.tier-row { margin-bottom: 6px; }
.tier-rows { margin-bottom: 8px; }

/* ── Filter chips ──────────────────────────────────────────────────── */
.filter-bar {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-chip {
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px; font-weight: 600;
  background: var(--paper);
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  transition: background .15s, color .15s, border-color .15s;
}
.filter-chip:hover { border-color: var(--blue); color: var(--blue); }
.filter-chip.on { background: var(--blue); color: #fff; border-color: var(--blue); }
.filter-chip .count {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(0,0,0,0.08);
}
.filter-chip.on .count { background: rgba(255,255,255,0.22); }

/* ── Empty / loading / error states ────────────────────────────────── */
.state {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
  font-size: 14px;
}
.state.err { color: var(--err); }

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(46,117,182,0.25);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── QR Manager specific ───────────────────────────────────────────── */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.qr-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 10px;
}
.qr-card.inactive { opacity: .55; background: var(--paper-soft); }
.qr-card .qr-name { font-weight: 700; color: var(--ink); }
.qr-card .qr-code-text {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 12px; color: var(--muted);
}
.qr-card .qr-preview {
  background: #fff; border: 1px solid var(--line);
  border-radius: 6px; padding: 8px;
  display: grid; place-items: center;
  min-height: 200px;
}
.qr-card .qr-preview img { width: 100%; max-width: 220px; height: auto; }
.qr-card .qr-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }

/* ── Health page ───────────────────────────────────────────────────── */
.health-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.health-row:last-child { border-bottom: none; }
.health-row .label { font-weight: 600; color: var(--ink-soft); font-size: 14px; }
.health-row .value { font-size: 13px; }

.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 6px; vertical-align: middle;
}
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.err { background: var(--err); }

.error-list { list-style: none; }
.error-list li {
  padding: 10px 0; border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.error-list li:last-child { border-bottom: none; }
.error-list .when { color: var(--muted); font-size: 12px; }
.error-list .what { color: var(--err); margin-top: 2px; word-break: break-word; }

/* ── Dashboard charts ──────────────────────────────────────────────── */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (min-width: 1080px) {
  .chart-grid {
    grid-template-columns: 2fr 1fr;
  }
  .chart-grid .chart-card.wide { grid-column: 1 / -1; }
}
.chart-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
}
.chart-card h2 { font-size: 14px; font-weight: 600; color: var(--ink-soft); margin-bottom: 12px; }
.chart-card .canvas-wrap { position: relative; height: 260px; }

/* ── Operational Tools ─────────────────────────────────────────────── */
.tools-section { margin-top: 24px; }
.tools-section h2 {
  font-size: 14px; font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.tool-link {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, background .15s, transform .05s;
}
.tool-link + .tool-link { margin-top: 10px; }
.tool-link:hover { border-color: var(--blue); background: var(--paper-soft); }
.tool-link .tool-label {
  font-size: 14px; font-weight: 600; color: var(--ink);
}
.tool-link .tool-desc {
  font-size: 13px; color: var(--muted); margin-top: 2px;
}
.tool-link .tool-action {
  flex-shrink: 0;
  font-size: 12px; font-weight: 600;
  color: var(--blue);
}
.tool-link:hover .tool-action { color: var(--blue-soft); }

/* ── Modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(10, 20, 38, 0.55);
  display: grid;
  place-items: start center;
  padding: 40px 20px;
  z-index: 90;
  overflow-y: auto;
}
.modal-card {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0,0,0,0.25);
  width: 100%;
  max-width: 720px;
  padding: 24px 28px 28px;
  position: relative;
}
.modal-card .modal-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 16px;
  gap: 16px;
}
.modal-card .modal-header h2 {
  font-size: 18px; font-weight: 700; color: var(--ink);
}
.modal-card .modal-header .sub { color: var(--muted); font-size: 12px; }
.modal-card .modal-close {
  position: absolute; top: 12px; right: 14px;
  font-size: 22px; color: var(--muted); line-height: 1;
  padding: 4px 8px; border-radius: 4px;
}
.modal-card .modal-close:hover { background: var(--paper-soft); color: var(--ink); }
.modal-section-title {
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  margin: 18px 0 6px;
}
.modal-card textarea {
  font-size: 14px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  outline: none;
  background: #fff;
  font-family: inherit;
  resize: vertical;
  min-height: 70px;
  transition: border-color .15s, box-shadow .15s;
}
.modal-card textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,117,182,0.15);
}
.modal-card .form-row label.full { grid-column: 1 / -1; }

/* ── Toast ─────────────────────────────────────────────────────────── */
.toast-stack {
  position: fixed; top: 16px; right: 16px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 100;
}
.toast {
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  max-width: 340px;
}
.toast.ok { background: var(--ok); }
.toast.err { background: var(--err); }
.toast.warn { background: var(--warn); color: #fff; }