:root {
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --radius-sm: 0.625rem;
  --radius-md: 0.875rem;
  --radius-lg: 1rem;
  --color-brand: #4f46e5;
  --color-brand-strong: #4338ca;
  --color-bg: #f6f8fc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-border: #dbe3ef;
  --color-danger: #b91c1c;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.08);
  --ring-brand: 0 0 0 0.2rem rgba(79, 70, 229, 0.22);
}

html {
  font-size: 15px;
}

body.app-shell {
  min-height: 100vh;
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 0 0, rgba(79, 70, 229, 0.09), transparent 35%),
    radial-gradient(circle at 100% 0, rgba(2, 132, 199, 0.09), transparent 38%),
    var(--color-bg);
  font-family: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-brand);
  text-decoration: none;
}

a:hover {
  color: var(--color-brand-strong);
}

.app-content {
  flex: 1;
}

.app-main {
  max-width: 1120px;
}

.app-navbar {
  background: rgba(15, 23, 42, 0.92);
  border-bottom: 1px solid rgba(203, 213, 225, 0.22);
  backdrop-filter: saturate(180%) blur(8px);
}

.app-brand {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.app-brand:hover {
  color: #fff;
}

.app-nav-links .nav-link,
.app-auth-nav .nav-link,
.app-auth-nav .btn-link.nav-link {
  color: rgba(241, 245, 249, 0.88);
  font-weight: 500;
  border-radius: 0.625rem;
  padding: 0.55rem 0.75rem !important;
}

.app-nav-links .nav-link:hover,
.app-auth-nav .nav-link:hover,
.app-auth-nav .btn-link.nav-link:hover {
  color: #fff;
  background: rgba(148, 163, 184, 0.18);
}

.app-auth-nav .app-user-link {
  background: rgba(79, 70, 229, 0.28);
  color: #eef2ff;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-title {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 1.85rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-subtitle {
  margin: 0.4rem 0 0;
  color: var(--color-muted);
}

.eyebrow {
  margin-bottom: 0.5rem;
  display: inline-block;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero-panel {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.11), rgba(14, 165, 233, 0.08));
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 1.125rem;
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 4vw, 2rem);
}

.hero-title {
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 2.2vw, 2.4rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.app-panel,
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

.card-header,
.app-panel-header {
  border-bottom: 1px solid var(--color-border);
  background: rgba(248, 250, 252, 0.9);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: 0.9rem 1.1rem;
}

.app-panel-body {
  padding: var(--space-3);
}

.app-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.app-stat-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 1rem;
}

.app-stat-label {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.app-stat-value {
  margin-top: 0.45rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.back-link:hover {
  color: var(--color-text);
}

.customer-details dt,
.customer-details dd {
  margin-bottom: 0.9rem;
}

.customer-details dt {
  color: var(--color-muted);
  font-weight: 500;
}

.status-pill {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: #334155;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
}

.status-pill.is-highlight {
  border-color: rgba(79, 70, 229, 0.3);
  background: rgba(79, 70, 229, 0.08);
  color: var(--color-brand-strong);
}

.btn {
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.56rem 1rem;
}

.btn-primary {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, var(--color-brand), #6366f1);
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.24);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  border-color: transparent !important;
  color: #fff !important;
  background: linear-gradient(135deg, var(--color-brand-strong), var(--color-brand));
}

.btn-outline-secondary {
  color: #1e293b;
  border-color: #cbd5e1;
  background: #fff;
}

.btn-outline-secondary:hover {
  color: #0f172a;
  border-color: #94a3b8;
  background: #f8fafc;
}

.btn-outline-primary {
  color: var(--color-brand);
  border-color: rgba(79, 70, 229, 0.35);
}

.btn-outline-primary:hover {
  color: var(--color-brand-strong);
  border-color: var(--color-brand);
  background: rgba(79, 70, 229, 0.08);
}

.btn-outline-danger {
  color: var(--color-danger);
  border-color: rgba(185, 28, 28, 0.4);
}

.btn-outline-danger:hover {
  color: #fff;
  border-color: var(--color-danger);
  background: var(--color-danger);
}

.form-control,
.form-select {
  border-radius: var(--radius-sm);
  border: 1px solid #cfd8e5;
  min-height: 2.75rem;
  background: #fff;
  color: var(--color-text);
}

textarea.form-control {
  min-height: 7rem;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus {
  border-color: rgba(79, 70, 229, 0.48);
  box-shadow: var(--ring-brand);
}

.form-label {
  margin-bottom: 0.4rem;
  color: #334155;
  font-weight: 600;
}

.form-check.form-switch {
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0.7rem 0.9rem 0.7rem 2.7rem;
}

.form-switch .form-check-input {
  margin-left: -1.95rem;
  cursor: pointer;
}

.form-switch .form-check-label {
  color: #334155;
  font-weight: 600;
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-1);
}

.customer-search-wrap {
  width: 100%;
  max-width: 460px;
}

.app-table-wrap {
  overflow-x: auto;
}

.table.app-table {
  margin: 0;
  --bs-table-bg: transparent;
}

.table.app-table thead th {
  color: var(--color-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
  padding: 0.8rem 1rem;
}

.table.app-table tbody td {
  border-bottom: 1px solid #e8eef8;
  padding: 0.95rem 1rem;
  vertical-align: middle;
}

.table.app-table tbody tr:hover {
  background: rgba(79, 70, 229, 0.04);
}

.empty-state {
  text-align: center;
  color: var(--color-muted);
  padding: 2.25rem 1rem;
}

.section-label {
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.74rem;
  font-weight: 700;
}

.delivery-image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.image-expand-trigger {
  border: 0;
  width: 100%;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: zoom-in;
}

.recent-delivery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(176px, 1fr));
  gap: 1rem;
}

.recent-delivery-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #f8fafc;
}

.recent-delivery-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recent-delivery-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--color-muted);
  font-weight: 600;
}

.recent-delivery-meta {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  padding: 0.5rem 0.75rem;
  color: #fff;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.72), rgba(2, 6, 23, 0));
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1070;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(2, 6, 23, 0.84);
}

.image-lightbox.open {
  display: flex;
}

.image-lightbox img {
  max-width: min(92vw, 1200px);
  max-height: 92vh;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  cursor: zoom-out;
}

body.lightbox-open {
  overflow: hidden;
}

.modal-content {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.app-footer {
  margin-top: var(--space-4);
  border-top: 1px solid #dbe3ef;
  background: rgba(255, 255, 255, 0.8);
}

.app-footer-inner {
  color: var(--color-muted);
  font-size: 0.88rem;
  padding: 1rem 0;
}

.btn,
.nav-link,
.form-control,
.form-select,
.form-check-input,
.table tbody tr,
.image-expand-trigger {
  transition: all 0.18s ease;
}

@media (max-width: 991.98px) {
  .app-navbar .navbar-collapse {
    margin-top: 0.8rem;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    padding-top: 0.8rem;
  }
}

@media (max-width: 767.98px) {
  .app-main {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .page-header {
    margin-bottom: var(--space-2);
  }

  .customer-search-wrap form {
    flex-direction: column;
  }

  .customer-search-wrap .btn {
    width: 100%;
  }
}