/* ─── Eresya × Coatmaker Invoice Generator — UI Theme ─── */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:           #fafaf7;
  --surface:      #ffffff;
  --surface-2:    #f5f5f1;
  --border:       #e7e5dd;
  --border-strong:#d4d2c8;
  --text:         #1a1a1a;
  --text-muted:   #6b6b66;
  --text-subtle:  #9c9a92;
  --accent:       #1e3a8a;
  --accent-hover: #1e40af;
  --accent-soft:  #eef2ff;
  --success:      #047857;
  --success-bg:   #ecfdf5;
  --danger:       #b91c1c;
  --danger-bg:    #fef2f2;
  --warning:      #b45309;
  --warning-bg:   #fffbeb;
  --info:         #0369a1;
  --info-bg:      #f0f9ff;
  --shadow-sm:    0 1px 2px 0 rgba(0,0,0,0.04);
  --shadow:       0 1px 3px 0 rgba(0,0,0,0.05), 0 1px 2px -1px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-lg:    0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius:       10px;
  --radius-lg:    16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  min-height: 100vh;
}

/* ─── Topbar ─── */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.topbar-brand img { height: 28px; width: auto; }
.topbar-brand .sep {
  color: var(--text-subtle);
  font-style: italic;
  margin: 0 2px;
  font-size: 18px;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.topbar-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.topbar-nav a:hover { color: var(--text); background: var(--surface-2); }
.topbar-nav a.active { color: var(--accent); background: var(--accent-soft); }
.topbar-logout {
  color: var(--text-subtle) !important;
  font-size: 13px !important;
}

/* ─── Layout ─── */
main { max-width: 1200px; margin: 0 auto; padding: 32px 24px 80px; }
@media (max-width: 640px) {
  main { padding: 20px 16px 60px; }
  .topbar-inner { padding: 12px 16px; }
  .topbar-brand { font-size: 18px; }
  .topbar-brand img { height: 24px; }
  .topbar-nav { gap: 0; }
  .topbar-nav a { padding: 6px 10px; font-size: 13px; }
  .topbar-logout { display: none; }
}

/* ─── Page header ─── */
.page-header { margin-bottom: 28px; }
.page-header h1 {
  font-family: 'Instrument Serif', serif;
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.1;
}
.page-header p {
  color: var(--text-muted);
  font-size: 15px;
}
@media (max-width: 640px) {
  .page-header h1 { font-size: 28px; }
  .page-header p { font-size: 14px; }
}

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-header h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.005em;
}
.card-header .meta {
  font-size: 13px;
  color: var(--text-muted);
}
.card-body { padding: 22px; }
.card-body.compact { padding: 16px 22px; }

/* ─── Stat grid ─── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: 1fr; gap: 12px; }
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.stat-row:last-child { border-bottom: none; }
.stat-row .lbl {
  color: var(--text-muted);
  font-size: 13.5px;
}
.stat-row .val {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat-row.total {
  padding-top: 14px;
  margin-top: 6px;
  border-top: 1px solid var(--border-strong);
}
.stat-row.total .lbl {
  font-weight: 600;
  color: var(--text);
}
.stat-row.total .val {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
}

/* ─── Forms ─── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.field input, .field select {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: inherit;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30,58,138,0.1);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-success { background: var(--success); border-color: var(--success); }
.btn-success:hover { background: #035e44; border-color: #035e44; }
.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
  border-radius: 6px;
}
.btn-large {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
}

/* ─── Tables ─── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table th {
  text-align: left;
  padding: 12px 14px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table th.num { text-align: right; }
table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--surface-2); }

/* ─── Pills ─── */
.pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.pill.cashmere   { background: #fdf2f8; color: #9d174d; }
.pill.purewool   { background: #eff6ff; color: #1e40af; }
.pill.wool       { background: #f0fdf4; color: #15803d; }
.pill.manual     { background: var(--info-bg);    color: var(--info); }
.pill.auto       { background: var(--accent-soft); color: var(--accent); }

/* ─── Banners / states ─── */
.banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 24px;
  border: 1px solid transparent;
}
.banner-info {
  background: var(--info-bg);
  color: var(--info);
  border-color: #bae6fd;
}
.banner-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: #a7f3d0;
}
.banner-warning {
  background: var(--warning-bg);
  color: var(--warning);
  border-color: #fde68a;
}
.banner .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.banner strong { font-weight: 600; }
.banner a { color: inherit; font-weight: 600; text-decoration: underline; }

.empty-state {
  text-align: center;
  padding: 72px 24px;
  color: var(--text-muted);
}
.empty-state .icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
  opacity: 0.4;
}
.empty-state h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 6px;
}
.empty-state p { font-size: 14px; }

/* ─── Loading spinner ─── */
.loading {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-bottom-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
  opacity: 0.6;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Period selector special card ─── */
.period-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.period-card .field { flex: 1; min-width: 220px; }
@media (max-width: 640px) {
  .period-card { padding: 18px; }
  .period-card .btn { width: 100%; }
}

/* ─── Action footer ─── */
.action-footer {
  margin-top: 24px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}
.action-footer .info {
  flex: 1;
  min-width: 240px;
  font-size: 14px;
  color: var(--text-muted);
}
.action-footer strong { color: var(--text); font-weight: 600; }
@media (max-width: 640px) {
  .action-footer .btn { width: 100%; }
}

/* ─── Result alerts ─── */
.result {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  border: 1px solid transparent;
}
.result-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: #a7f3d0;
}
.result-error {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: #fecaca;
}
.result strong { font-weight: 600; }
@media (max-width: 640px) {
  .result { flex-direction: column; align-items: flex-start; }
  .result .btn { width: 100%; }
}

/* ─── Status text ─── */
.status-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  min-height: 22px;
}
.status-text.error { color: var(--danger); }