:root {
  --ink: #1a1714;
  --ink-soft: #4a453e;
  --muted: #7a7368;
  --line: #ddd4c6;
  --paper: #f4efe6;
  --paper-2: #ebe4d7;
  --panel: rgba(255, 252, 247, 0.86);
  --brass: #9a7340;
  --brass-deep: #7a572c;
  --sea: #2f5d62;
  --sea-soft: #3f7a80;
  --danger: #9b3b2f;
  --ok: #2f6b4f;
  --warn: #8a6a1f;
  --shadow: 0 18px 50px rgba(40, 32, 20, 0.08);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(154, 115, 64, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(47, 93, 98, 0.14), transparent 50%),
    linear-gradient(180deg, #f7f2e9 0%, var(--paper) 40%, #ebe6dc 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpath d='M0 60h120M60 0v120' stroke='%23cbbfaa' stroke-width='0.5' opacity='0.35'/%3E%3C/svg%3E");
  z-index: 0;
}

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

a {
  color: var(--sea);
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ——— Login ——— */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  animation: fadeUp 0.7s var(--ease) both;
}

.login-card {
  width: min(440px, 100%);
  background: var(--panel);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 40px 36px 32px;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 8px;
}

.brand-mark span {
  color: var(--brass-deep);
}

.login-sub {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  border: 1px solid var(--line);
  background: #fffdf9;
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sea-soft);
  box-shadow: 0 0 0 3px rgba(47, 93, 98, 0.15);
}

.field textarea {
  min-height: 72px;
  resize: vertical;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s, color 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--ink);
  color: #f8f4ec;
  box-shadow: 0 8px 20px rgba(26, 23, 20, 0.18);
}

.btn-primary:hover {
  background: #2c2620;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--brass);
  color: var(--brass-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 10px;
}

.btn-danger {
  background: rgba(155, 59, 47, 0.1);
  color: var(--danger);
}

.btn-block {
  width: 100%;
}

.login-error {
  color: var(--danger);
  font-size: 0.9rem;
  min-height: 1.2em;
  margin: 0 0 12px;
}

.demo-accounts {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.55;
}

.demo-accounts code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink-soft);
}

/* ——— Shell ——— */
.app-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
  animation: fadeUp 0.45s var(--ease) both;
}

.sidebar {
  padding: 28px 18px;
  border-right: 1px solid rgba(205, 194, 176, 0.7);
  background: rgba(255, 250, 243, 0.55);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar .brand-mark {
  font-size: 1.55rem;
  margin: 0 12px 18px;
}

.nav-btn {
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 10px;
  padding: 11px 12px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s var(--ease);
}

.nav-btn:hover {
  background: rgba(154, 115, 64, 0.1);
  color: var(--ink);
}

.nav-btn.active {
  background: var(--ink);
  color: #f7f1e6;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--line);
}

.user-chip {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.user-chip strong {
  display: block;
  font-size: 0.95rem;
}

.user-chip span {
  color: var(--muted);
  font-size: 0.8rem;
}

.main {
  padding: 28px 32px 48px;
  max-width: 1200px;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  animation: fadeUp 0.5s var(--ease) both;
}

.page-header h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.page-header p {
  margin: 0;
  color: var(--muted);
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
  animation: fadeUp 0.55s var(--ease) both;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(40, 32, 20, 0.12);
}

.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.card .meta {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(47, 93, 98, 0.12);
  color: var(--sea);
  margin-bottom: 10px;
}

.badge.draft {
  background: rgba(154, 115, 64, 0.15);
  color: var(--brass-deep);
}

.badge.superseded {
  background: rgba(122, 115, 104, 0.15);
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  animation: fadeUp 0.45s var(--ease) both;
}

.panel + .panel {
  margin-top: 16px;
}

.panel h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0 0 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 16px;
}

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

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

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.data th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

table.data td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(221, 212, 198, 0.7);
  vertical-align: middle;
}

table.data tr {
  transition: background 0.15s;
}

table.data tbody tr:hover {
  background: rgba(154, 115, 64, 0.06);
}

table.data tr.clickable {
  cursor: pointer;
}

.money {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: start;
}

.product-preview {
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(160deg, #e7e0d4, #d8cfc0);
  border: 1px solid var(--line);
  margin-bottom: 14px;
}

.product-preview img {
  display: block;
  width: 100%;
  height: auto;
}

.option-grid {
  display: grid;
  gap: 8px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fffdf9;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.option-item:hover {
  border-color: var(--brass);
}

.option-item input {
  margin-top: 3px;
}

.option-item .opt-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.option-item .opt-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.price-box {
  position: sticky;
  top: 20px;
}

.price-total {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin: 4px 0 12px;
}

.breakdown {
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.breakdown .row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(221, 212, 198, 0.8);
}

.alert {
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.9rem;
  margin-bottom: 12px;
  line-height: 1.45;
}

.alert-error {
  background: rgba(155, 59, 47, 0.1);
  color: var(--danger);
  border: 1px solid rgba(155, 59, 47, 0.2);
}

.alert-warn {
  background: rgba(138, 106, 31, 0.1);
  color: var(--warn);
  border: 1px solid rgba(138, 106, 31, 0.2);
}

.alert-ok {
  background: rgba(47, 107, 79, 0.1);
  color: var(--ok);
  border: 1px solid rgba(47, 107, 79, 0.2);
}

.audit-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.audit-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.audit-list time {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 2px;
}

.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 23, 20, 0.45);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
  animation: fadeIn 0.2s ease both;
}

.modal {
  width: min(560px, 100%);
  background: #fffdf9;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
  animation: fadeUp 0.3s var(--ease) both;
}

.modal h2 {
  font-family: var(--font-display);
  margin: 0 0 16px;
  font-weight: 500;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.stat .label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.stat .value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-top: 4px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: 0;
    border-bottom: 1px solid rgba(205, 194, 176, 0.7);
    padding: 16px;
    gap: 6px;
  }

  .sidebar .brand-mark {
    width: 100%;
    margin: 0 4px 8px;
    font-size: 1.35rem;
  }

  .sidebar-footer {
    width: 100%;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .split,
  .form-grid,
  .stat-row {
    grid-template-columns: 1fr;
  }

  .main {
    padding: 20px 16px 40px;
  }

  .price-box {
    position: static;
  }
}