/* ============================================================
   La Tipografia Group · Generatore Codici a Barre
   ============================================================ */

:root {
  --color-bg: #f5f3ee;
  --color-surface: #ffffff;
  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a4a;
  --color-muted: #8a8a8a;
  --color-border: #e5e1d8;
  --color-accent: #c8102e;
  --color-accent-dark: #9a0c23;
  --color-accent-soft: #fdecef;
  --color-success: #1f7a3a;
  --color-warn: #b8860b;
  --color-danger: #b91c1c;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 2px 6px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.08);
  --radius: 8px;
  --radius-sm: 4px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================================
   Header
   ============================================================ */

.site-header {
  background: var(--color-ink);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 4px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  letter-spacing: -1px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 12px;
  color: #c5c5c5;
  letter-spacing: .3px;
  text-transform: uppercase;
  margin-top: 2px;
}

.brand-nav a {
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  opacity: .8;
}
.brand-nav a:hover { opacity: 1; text-decoration: none; }

/* ============================================================
   Layout
   ============================================================ */

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

@media (max-width: 880px) {
  .layout { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
  .sidebar { position: static !important; max-height: 320px !important; }
}

/* ============================================================
   Sidebar
   ============================================================ */

.sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 116px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.sidebar-search {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  background: #fafaf6;
}

.sidebar-search input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
}
.sidebar-search input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.sym-list {
  overflow-y: auto;
  padding: 4px 0;
  flex: 1;
}

.sym-group {
  border-bottom: 1px solid var(--color-border);
}
.sym-group:last-child { border-bottom: none; }

.sym-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--color-muted);
  padding: 10px 14px 6px;
  user-select: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sym-group-title:hover { color: var(--color-ink); }

.sym-group-title .chev {
  font-size: 10px;
  transition: transform .15s;
}
.sym-group.collapsed .chev { transform: rotate(-90deg); }
.sym-group.collapsed .sym-items { display: none; }

.sym-items { padding: 0 0 6px; }

.sym-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 6px 14px 6px 22px;
  font: inherit;
  font-size: 13.5px;
  color: var(--color-ink-soft);
  cursor: pointer;
  border-left: 3px solid transparent;
}

.sym-item:hover { background: #fafaf6; color: var(--color-ink); }

.sym-item.active {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.sym-item .star {
  color: var(--color-accent);
  margin-left: 4px;
}

.sym-item.hidden { display: none; }
.sym-group.empty { display: none; }

/* ============================================================
   Workspace cards
   ============================================================ */

.workspace { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 12px;
  color: var(--color-ink);
}

.sym-info { padding: 16px 20px; }
.sym-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sym-title h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 26px;
  margin: 0;
  color: var(--color-ink);
}
.sym-badge {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  padding: 3px 8px;
  border-radius: 999px;
}
.sym-desc {
  margin: 6px 0 0;
  color: var(--color-ink-soft);
  font-size: 14px;
}

/* ============================================================
   Form fields
   ============================================================ */

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--color-muted);
  margin-bottom: 6px;
}

textarea, input[type="text"], input[type="number"], input[type="search"], select {
  font-family: inherit;
  font-size: 14px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-ink);
  resize: vertical;
}

textarea {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13.5px;
}

textarea:focus, input:focus, select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.field-hint {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--color-muted);
}

.field-error {
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-danger);
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

/* ============================================================
   Options grid
   ============================================================ */

.opts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.opts-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-ink-soft);
  gap: 4px;
}

.opts-grid input[type="number"],
.opts-grid select {
  padding: 7px 10px;
  font-weight: 400;
  color: var(--color-ink);
  font-size: 13.5px;
}

.opts-grid input[type="color"] {
  width: 100%;
  height: 36px;
  padding: 2px;
  cursor: pointer;
}

.opt-check {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  cursor: pointer;
  user-select: none;
}
.opt-check input { width: auto; }

/* ============================================================
   Preview
   ============================================================ */

.preview-wrap {
  background:
    repeating-conic-gradient(#f3f1eb 0% 25%, #fff 0% 50%) 0 / 16px 16px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  overflow: auto;
}

#preview {
  max-width: 100%;
  height: auto;
  background: transparent;
  display: block;
}

.preview-error {
  color: var(--color-danger);
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  width: 100%;
  text-align: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font: inherit;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .12s;
}

.btn:hover {
  background: #fafaf6;
  border-color: var(--color-ink-soft);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background: var(--color-ink);
  color: #c5c5c5;
  padding: 18px 28px;
  text-align: center;
  font-size: 13px;
  margin-top: 32px;
  border-top: 4px solid var(--color-accent);
}
.site-footer strong { color: #fff; }
.site-footer .footer-meta {
  font-size: 12px;
  color: #8a8a8a;
  margin-top: 4px;
}
.site-footer a { color: #c5c5c5; text-decoration: underline; }