:root {
  --bg: #0f1419;
  --bg-elevated: #1a222d;
  --bg-card: #1e2836;
  --bg-hover: #263243;
  --border: #2d3a4d;
  --text: #e8eef6;
  --text-muted: #8b9bb0;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --accent-hover: #e0b93a;
  --success: #3ecf8e;
  --success-soft: rgba(62, 207, 142, 0.12);
  --warning: #f0b429;
  --danger: #f07178;
  --danger-soft: rgba(240, 113, 120, 0.12);
  --info: #6cb6ff;
  --info-soft: rgba(108, 182, 255, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "Fira Code", ui-monospace, monospace;
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(201, 162, 39, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(108, 182, 255, 0.08), transparent);
  background-attachment: fixed;
}

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

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

a:hover {
  color: var(--accent-hover);
}

/* Layout */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #151c26 0%, #121820 100%);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.5rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #8b6914);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #1a1400;
  box-shadow: 0 4px 16px rgba(201, 162, 39, 0.35);
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.brand p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  transition: background 0.15s, color 0.15s;
}

.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.nav-icon {
  width: 1.25rem;
  text-align: center;
  opacity: 0.9;
}

.sidebar-foot {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.main {
  padding: 1.75rem 2rem 3rem;
  max-width: 1400px;
  width: 100%;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.65rem;
  font-weight: 650;
}

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

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* Cards & stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.stat-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.stat-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-card .value.gold {
  color: var(--accent);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  margin: 0;
  font-size: 1rem;
}

.card-body {
  padding: 1.25rem;
}

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #a8871f);
  color: #1a1400;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
}

.btn-secondary {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

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

.btn-ghost:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: transparent;
}

.btn-danger:hover {
  background: rgba(240, 113, 120, 0.22);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.toolbar input[type="search"],
.toolbar select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  min-width: 180px;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.data th,
table.data td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.data th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
  background: rgba(0, 0, 0, 0.15);
}

table.data tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

table.data .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.money {
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: capitalize;
  letter-spacing: 0.02em;
}

.badge-new,
.badge-draft,
.badge-pending {
  background: var(--info-soft);
  color: var(--info);
}

.badge-contacted,
.badge-sent,
.badge-confirmed,
.badge-in_progress {
  background: rgba(240, 180, 41, 0.15);
  color: var(--warning);
}

.badge-qualified,
.badge-accepted,
.badge-completed,
.badge-paid {
  background: var(--success-soft);
  color: var(--success);
}

.badge-lost,
.badge-rejected,
.badge-cancelled,
.badge-void,
.badge-overdue {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-converted,
.badge-expired {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 12, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  z-index: 100;
  overflow-y: auto;
}

.modal-backdrop.hidden {
  display: none;
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: min(720px, 100%);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  animation: modal-in 0.18s ease-out;
}

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

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
}

.modal-body {
  padding: 1.35rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1rem 1.35rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

/* Line items editor */
.line-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.line-item-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.7fr 0.9fr auto;
  gap: 0.5rem;
  align-items: end;
}

.line-item-row .field label {
  font-size: 0.7rem;
}

.line-totals {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  font-size: 0.95rem;
}

.line-totals .grand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

/* Photos */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.photo-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.photo-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  background: #0a0e14;
}

.photo-card .meta {
  padding: 0.65rem 0.75rem;
  font-size: 0.8rem;
}

.photo-card .meta .name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-muted);
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.15);
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.upload-zone input {
  display: none;
}

/* Invoice print view */
.invoice-doc {
  background: #fff;
  color: #1a1a1a;
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.invoice-doc .inv-top {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 3px solid #c9a227;
}

.invoice-doc .biz-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1a1400;
  margin: 0;
}

.invoice-doc .biz-tag {
  color: #8b6914;
  margin: 0.15rem 0 0.5rem;
  font-weight: 600;
}

.invoice-doc .biz-meta {
  font-size: 0.85rem;
  color: #555;
  line-height: 1.45;
}

.invoice-doc .inv-label {
  text-align: right;
}

.invoice-doc .inv-label h2 {
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: 0.08em;
  color: #c9a227;
}

.invoice-doc .parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.invoice-doc .party h4 {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #888;
}

.invoice-doc table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.invoice-doc th {
  background: #f5f0e0;
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  border-bottom: 1px solid #e0d5b0;
}

.invoice-doc td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid #eee;
  font-size: 0.9rem;
}

.invoice-doc .totals {
  margin-left: auto;
  width: 240px;
}

.invoice-doc .totals div {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
}

.invoice-doc .totals .balance {
  font-weight: 800;
  font-size: 1.1rem;
  border-top: 2px solid #c9a227;
  margin-top: 0.35rem;
  padding-top: 0.5rem;
}

.empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
}

.toast-host {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  min-width: 240px;
  max-width: 360px;
  animation: toast-in 0.2s ease-out;
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.success {
  border-left-color: var(--success);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hidden {
  display: none !important;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

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

  .line-item-row {
    grid-template-columns: 1fr 1fr;
  }

  .main {
    padding: 1.25rem;
  }
}

@media print {
  .sidebar,
  .page-header .header-actions,
  .toolbar,
  .modal-footer,
  .toast-host {
    display: none !important;
  }

  .app-shell {
    display: block;
  }

  .main {
    padding: 0;
  }

  body {
    background: #fff;
  }

  .invoice-doc {
    box-shadow: none;
    max-width: none;
  }
}