:root {
  --bg: #f4efe7;
  --surface: #fffdf8;
  --surface-alt: #f6f0e6;
  --text: #1f1b16;
  --muted: #6d6257;
  --border: #dccfbd;
  --primary: #1b6b5c;
  --primary-dark: #12483f;
  --danger: #a33d2f;
  --warning: #c88a18;
  --shadow: 0 18px 45px rgba(56, 40, 19, 0.1);
  --radius: 18px;
  --radius-sm: 12px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(27, 107, 92, 0.08), transparent 28%),
    linear-gradient(180deg, #f8f3eb 0%, #f1ebe1 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

label input,
label select,
label textarea {
  margin-top: 0.45rem;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 2rem;
}

.auth-shell {
  width: min(100%, 440px);
}

.auth-card,
.panel,
.modal-card {
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(220, 207, 189, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.auth-card {
  padding: 2rem;
}

.app-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.narrow-shell {
  max-width: 960px;
}

.topbar,
.panel-head,
.modal-head,
.topbar-actions,
.modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar {
  padding: 1rem 0 1.5rem;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.3rem;
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
}

h2 {
  margin-bottom: 0.15rem;
  font-size: 1.2rem;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.88rem;
}

.stack,
.stack-lg {
  display: grid;
  gap: 1rem;
}

.stack-lg {
  gap: 1.2rem;
}

.dashboard-grid,
.details-layout {
  display: grid;
  gap: 1rem;
}

.dashboard-grid {
  grid-template-columns: repeat(12, 1fr);
}

.details-layout {
  grid-template-columns: 1fr;
}

.panel {
  padding: 1.2rem;
  grid-column: span 6;
}

.span-full {
  grid-column: 1 / -1;
}

.form-grid,
.filter-grid,
.detail-grid {
  display: grid;
  gap: 1rem;
}

.form-grid,
.filter-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.span-2 {
  grid-column: span 2;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1rem;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

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

.icon-btn {
  border: 0;
  background: transparent;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
  background: #fff;
}

th,
td {
  padding: 0.85rem;
  border-bottom: 1px solid #efe5d7;
  text-align: left;
  vertical-align: top;
  font-size: 0.94rem;
}

th {
  background: #f7f2e9;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.compact-table table {
  min-width: 560px;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #ece7df;
}

.badge.status-rto { background: #f7e3bb; }
.badge.status-cancelled { background: #f2c7c0; }
.badge.status-reshippending,
.badge.status-converted { background: #cde8e0; }
.badge.status-reshipped { background: #d8e6f5; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.kpi-card {
  padding: 1rem;
  background: linear-gradient(180deg, #fff, #f7f0e4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.kpi-card strong {
  display: block;
  font-size: 1.8rem;
  margin-top: 0.35rem;
}

.form-message {
  min-height: 1.4rem;
  margin: 0.85rem 0 0;
  font-weight: 600;
}

.message-error { color: var(--danger); }
.message-success { color: var(--primary); }
.message-warning { color: var(--warning); }

.modal {
  position: fixed;
  inset: 0;
  padding: 1rem;
  background: rgba(25, 18, 12, 0.45);
  display: grid;
  place-items: center;
}

.modal-card {
  width: min(100%, 860px);
  max-height: 92vh;
  overflow: auto;
  padding: 1.2rem;
}

.modal-large {
  width: min(100%, 920px);
}

.timeline {
  display: grid;
  gap: 0.9rem;
}

.timeline-item {
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.timeline-item p:last-child {
  margin-bottom: 0;
}

.detail-grid dt {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-grid dd {
  margin: 0 0 1rem;
  font-weight: 600;
}

.hidden {
  display: none !important;
}

@media (max-width: 960px) {
  .panel {
    grid-column: 1 / -1;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .auth-card,
  .panel,
  .modal-card {
    padding: 1rem;
  }

  .form-grid,
  .filter-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: span 1;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }
}