:root {
  --navy-950: #012e6a;
  --navy-900: #053b78;
  --navy-800: #0d477d;
  --navy-700: #174d83;
  --orange: #ff7426;
  --orange-dark: #ec5f17;
  --bg: #edf3f9;
  --panel: #ffffff;
  --panel-blue: #365f8b;
  --text: #12223a;
  --muted: #62758e;
  --line: #d6e2ed;
  --brand: #012e6a;
  --brand-dark: #001f4b;
  --accent: #ff7426;
  --danger: #a83535;
  --success: #227447;
  --shadow: 0 16px 36px rgba(1, 46, 106, .13);
}

[data-theme="dark"] {
  --bg: #061d3c;
  --panel: #0b3264;
  --panel-blue: #315d8d;
  --text: #ffffff;
  --muted: #c7d6e8;
  --line: #315a86;
  --brand: #ff7426;
  --brand-dark: #ff8d4b;
  --accent: #ff7426;
  --shadow: 0 16px 36px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; }

.auth-body {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 116, 38, .2), transparent 24%),
    linear-gradient(155deg, rgba(1, 46, 106, .98), rgba(7, 57, 112, .92)),
    var(--navy-950);
}

.auth-shell { width: min(420px, 100%); }
.auth-card, .panel, .hero-panel, .module-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.auth-card { padding: 28px; }
.auth-brand, .side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}
.auth-brand img {
  width: min(240px, 100%);
  height: auto;
  display: block;
}
.side-brand img {
  width: 174px;
  max-width: 100%;
  height: auto;
  display: block;
}
.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: white;
  font-size: 13px;
  letter-spacing: 0;
}
.auth-card h1 { margin: 24px 0 8px; font-size: 30px; }
.auth-subtitle, .muted { color: var(--muted); }
.field { display: grid; gap: 7px; margin-bottom: 14px; }
label { color: var(--muted); font-size: 13px; font-weight: 700; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}
button, .btn-primary, .btn-secondary {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
}
.btn-primary {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  padding: 12px 16px;
  background: var(--orange);
  color: white;
}
.btn-primary:hover { background: var(--orange-dark); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}
.button-link { width: auto; }
.auth-links { margin-top: 18px; font-size: 14px; }
.inline-action-form { margin-top: 14px; }
.link-button {
  padding: 0;
  background: transparent;
  color: var(--orange);
  font-weight: 800;
}
.link-button:hover { color: var(--orange-dark); }
.alert {
  margin: 14px 0;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.alert-danger { color: var(--danger); background: rgba(168, 53, 53, .08); }
.alert-success { color: var(--success); background: rgba(34, 116, 71, .09); }
.alert-warning { color: #8a4b08; background: rgba(255, 116, 38, .12); }

.app-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px;
  border-right: 1px solid rgba(255, 255, 255, .1);
  background: var(--navy-950);
  color: white;
}
.side-nav { display: grid; gap: 6px; margin-top: 28px; }
.side-nav a {
  padding: 11px 12px;
  border-radius: 8px;
  color: rgba(255, 255, 255, .78);
  font-weight: 750;
  text-decoration: none;
}
.side-nav a.active, .side-nav a:hover {
  background: var(--orange);
  color: white;
}
.main-shell { min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  padding: 18px 26px;
  border-bottom: 1px solid rgba(1, 46, 106, .12);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  min-width: 48px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}
.theme-icon-btn {
  min-width: 42px;
  width: 42px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}
.content { padding: 26px; }
.hero-panel {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
  padding: 28px;
  color: white;
  border-color: rgba(255, 255, 255, .16);
  border-left: 5px solid var(--orange);
  background:
    linear-gradient(135deg, rgba(1, 46, 106, .94), rgba(18, 73, 126, .86)),
    var(--navy-950);
}
.hero-panel h2 { margin: 4px 0 8px; font-size: 32px; }
.hero-panel p { max-width: 720px; margin: 0; color: rgba(255, 255, 255, .78); }
.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.hero-actions .btn-primary,
.hero-actions .btn-secondary {
  width: auto;
}
.eyebrow {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.module-card {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 18px;
  text-decoration: none;
}
.module-card strong { font-size: 18px; }
.module-card span { color: var(--muted); }
.module-card:hover { border-color: var(--orange); }
.panel { margin-bottom: 18px; padding: 22px; }
.panel h2 { margin: 0 0 12px; }
.panel-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.panel-heading-row h2 { margin-bottom: 4px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}
.invoice-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}
.invoice-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.dashboard-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.cashup-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}
.report-filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}
.cashup-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.report-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.summary-chip {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 48%, var(--panel));
}
.summary-chip span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.summary-chip strong {
  font-size: 18px;
}
.filter-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 14px;
}
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.row-actions form { margin: 0; }
.preview-list {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 45%, var(--panel));
}
.invoice-card-list {
  display: grid;
  gap: 12px;
}
.empty-state {
  padding: 18px;
  border: 2px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 60%, var(--panel));
}
.invoice-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.invoice-card[hidden] { display: none; }
.invoice-card h3 {
  margin: 4px 0;
  font-size: 20px;
}
.invoice-card p {
  margin: 0;
  color: var(--muted);
}
.invoice-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  text-align: right;
}
.receipt-invoice-card {
  margin: 0;
}
.receipt-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.receipt-detail-grid div {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
}
.receipt-detail-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: 13px; }
.footer { padding: 20px 26px; color: var(--muted); }

.network-list {
  display: grid;
  gap: 16px;
}
.zone-card {
  padding: 20px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.zone-card-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.zone-card h2 {
  margin: 6px 0 4px;
  font-size: 24px;
}
.zone-card p {
  margin: 0;
  color: var(--muted);
}
.zone-code {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(255, 116, 38, .12);
  color: var(--orange);
  font-weight: 900;
}
.zone-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 46%, var(--panel));
}
.count-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}
.count-pill {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
}
.status-pill.is-active {
  background: rgba(34, 116, 71, .12);
  color: var(--success);
}
.status-pill.is-inactive {
  background: rgba(168, 53, 53, .1);
  color: var(--danger);
}
.centre-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}
.centre-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  min-height: 74px;
  padding: 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 52%, var(--panel));
}
.centre-card-main {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.centre-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.centre-card strong {
  overflow-wrap: anywhere;
}
.centre-card a {
  color: var(--orange);
  font-weight: 900;
  text-decoration: none;
}
.form-panel {
  max-width: 680px;
}
.stack-form {
  display: grid;
  gap: 14px;
}
.stack-form .btn-primary {
  width: auto;
  justify-self: start;
}

#sidebarToggle { display: none; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 20;
    width: 260px;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .sidebar-open .sidebar { transform: translateX(0); }
  #sidebarToggle { display: inline-grid; place-items: center; }
  .module-grid, .form-grid, .centre-card-grid, .invoice-filter-grid, .invoice-summary-grid, .dashboard-summary-grid, .cashup-filter-grid, .cashup-summary-grid, .report-filter-grid, .report-summary-grid, .receipt-detail-grid { grid-template-columns: 1fr; }
  .filter-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-bottom: 0;
  }
  .topbar { align-items: flex-start; padding: 14px 16px; }
  .topbar-actions {
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 8px;
  }
  .topbar-actions .btn-secondary {
    min-height: 40px;
    padding-inline: 10px;
    white-space: nowrap;
  }
  .content { padding: 16px; }
  .hero-panel { padding: 20px; }
  .hero-panel h2 { font-size: 26px; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
  }
  .zone-card { padding: 16px; }
  .zone-card-head {
    display: grid;
    gap: 14px;
  }
  .zone-actions {
    display: grid;
    grid-template-columns: 1fr auto auto;
    justify-content: stretch;
  }
  .zone-actions .btn-secondary {
    white-space: nowrap;
  }
  .count-pill,
  .status-pill,
  .zone-actions .btn-secondary {
    min-height: 40px;
  }
  .centre-card-meta {
    display: grid;
    grid-template-columns: 1fr auto;
  }
  .invoice-card {
    grid-template-columns: 1fr;
  }
  .invoice-card-meta {
    justify-content: flex-start;
    text-align: left;
  }
  .panel-heading-row {
    display: grid;
  }
  .stack-form .btn-primary,
  .panel-heading-row .btn-secondary {
    width: 100%;
  }
}