/* =====================================
   APP NAV
   ===================================== */
.app-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-mark-sm {
  width: 18px;
  height: 18px;
  background: var(--amber);
  border-radius: 2px;
  position: relative;
}

.logo-mark-sm::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--bg);
  border-radius: 1px;
}

.logo-name-sm {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--cream);
  background: var(--surface);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-user {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* =====================================
   BUTTONS
   ===================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--amber);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

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

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--cream);
  border-color: var(--cream-dim);
}

.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; }
.btn-full { width: 100%; justify-content: center; }

/* =====================================
   AUTH
   ===================================== */
.app-body { display: flex; flex-direction: column; min-height: 100vh; }

.auth-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3rem;
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.logo-mark-lg {
  width: 40px;
  height: 40px;
  background: var(--amber);
  border-radius: 4px;
  position: relative;
}

.logo-mark-lg::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: var(--bg);
  border-radius: 2px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--cream);
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 2rem;
}

.auth-form { display: flex; flex-direction: column; gap: 1.25rem; }

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer a { color: var(--amber); text-decoration: none; }
.auth-footer a:hover { text-decoration: underline; }

.auth-demo {
  margin-top: 1.5rem;
  padding: 0.875rem;
  background: var(--amber-dim);
  border: 1px solid rgba(212,98,26,0.2);
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.alert-error {
  padding: 0.75rem 1rem;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 4px;
  color: #fca5a5;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* =====================================
   FORMS
   ===================================== */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select {
  padding: 0.625rem 0.875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus { border-color: var(--amber); }

/* =====================================
   PAGE CONTAINER
   ===================================== */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.5rem;
  gap: 2rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.page-sub {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.header-meta { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }

.meta-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.8125rem;
}

.meta-label { color: var(--text-muted); }
.meta-val { color: var(--amber); font-weight: 600; }

/* =====================================
   FORECAST GRID
   ===================================== */
.forecast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.forecast-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
}

.forecast-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--amber);
}

.forecast-card-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.cut-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--cream);
}

.cut-unit { font-size: 0.8rem; color: var(--text-muted); }

.reorder-recommendation {
  background: var(--amber-dim);
  border: 1px solid rgba(212,98,26,0.25);
  border-radius: 4px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.reorder-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.reorder-qty {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.reorder-qty .unit { font-size: 1.2rem; color: var(--text-muted); font-weight: 400; }

.reorder-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: monospace;
}

.cut-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-item { display: flex; flex-direction: column; gap: 0.25rem; }

.stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--cream);
}

.stat-ok { color: #22c55e; }
.stat-warn { color: #f97316; }

.history-bars { }

.history-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
}

.bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  gap: 2px;
}

.bar {
  width: 100%;
  background: var(--amber-dim);
  border-radius: 2px 2px 0 0;
  transition: height 0.3s;
  min-height: 4px;
}

.bar-val {
  font-size: 0.625rem;
  color: var(--text-muted);
}

.no-data {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* =====================================
   SALES FORM
   ===================================== */
.sales-form { }

.sales-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
  font-size: 0.875rem;
}

.sales-table th {
  text-align: left;
  padding: 0.75rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.sales-table td { padding: 0.5rem; vertical-align: middle; }

.col-cut { min-width: 100px; }
.col-week { min-width: 160px; }

.cut-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
}

.cut-row td { border-bottom: 1px solid var(--border); }
.cut-row:last-child td { border-bottom: none; }

.week-cell { }

.cell-inputs { display: flex; gap: 4px; flex-direction: column; }

.inp-sm {
  padding: 0.4rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}

.inp-sm:focus { border-color: var(--amber); }
.inp-sm::placeholder { color: var(--text-faint); }

.inp-warn { border-left: 2px solid #f97316; }

.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* =====================================
   HISTORY TABLE
   ===================================== */
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.history-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  border-bottom: 1px solid var(--border);
}

.history-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.history-table tr:last-child td { border-bottom: none; }
.history-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.empty-state {
  text-align: center;
  padding: 4rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.empty-state a { color: var(--amber); text-decoration: none; }
.empty-state a:hover { text-decoration: underline; }

.page-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

/* =====================================
   RESPONSIVE
   ===================================== */
@media (max-width: 768px) {
  .page-header { flex-direction: column; }
  .header-meta { align-items: flex-start; }
  .forecast-grid { grid-template-columns: 1fr; }
  .sales-table { display: block; overflow-x: auto; }
  .nav-links { display: none; }
}