*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0a0a0a;
  --surface:    #141414;
  --surface-2:  #1e1e1e;
  --border:     #2a2a2a;
  --border-hover: #3a3a3a;
  --text:       #f0f0f0;
  --muted:      #666;
  --muted-2:    #888;
  --accent:     #e8e8e8;
  --accent-dim: rgba(232,232,232,0.08);
  --radius:     12px;
  --radius-sm:  8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Arial', bold;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-top: 1rem;
}

/* ── Top Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

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

.nav-logo {
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}

nav a {
  font-size: 0.85rem;
  color: var(--muted-2);
  text-decoration: underline;
  transition: color 0.2s;
  cursor: pointer;
  margin-bottom: 0.5rem;
}

nav a:hover {
  color: var(--text);
}


/* ── Page layout ── */
.page {
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100vh - 60px);
}

/* ── Sidebar ── */
aside {
  border-right: 1px solid var(--border);
  padding: 2rem 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

aside::-webkit-scrollbar { width: 4px; }
aside::-webkit-scrollbar-track { background: transparent; }
aside::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-header {
  padding: 0 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.sidebar-header h2 {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: normal;
}

.sidebar-header .font-total {
  font-size: 0.75rem;
  color: var(--muted-2);
  margin-top: 0.25rem;
}

/* Sidebar font list */
.sidebar-font {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.5rem;
  cursor: pointer;
  transition: background 0.15s;
  border-left: 2px solid transparent;
  gap: 0.5rem;
}

.sidebar-font:hover { background: var(--accent-dim); }

.sidebar-font.active {
  background: var(--accent-dim);
  border-left-color: var(--text);
}

.sidebar-font-name {
  font-size: 0.82rem;
  color: var(--muted-2);
  transition: color 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-font.active .sidebar-font-name,
.sidebar-font:hover .sidebar-font-name { color: var(--text); }

.sidebar-font-preview {
  font-size: 1.1rem;
  color: var(--muted);
  flex-shrink: 0;
  transition: color 0.15s;
}

.sidebar-font.active .sidebar-font-preview,
.sidebar-font:hover .sidebar-font-preview { color: var(--text); }

/* ── Main content ── */
.main-content {
  padding: 1.5rem;
  overflow-y: auto;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ── Active font hero ── */
.font-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  animation: fadeUp 0.3s ease;
  min-width: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Font controls row: name + dropdown + file pill ── */
.font-controls-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.font-controls-row label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  font-weight: 700;
}

/* ── Font buttons ── */
.font-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.font-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted-2);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.45em 1em;
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
}

.font-btn:hover {
  background: var(--surface);
  border-color: var(--border-hover);
  color: var(--text);
}

.font-btn.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

/* ── Preview input ── */
.preview-input-wrap {
  margin-bottom: 1rem;
}

.preview-input-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  display: block;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

#preview-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Georgia', serif;
  font-size: 1.1rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: all 0.2s;
}

#preview-input::placeholder { color: var(--muted); }
#preview-input:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ── Preview stage ── */
.preview-stage {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s;
  overflow: hidden;
  min-width: 0;
}

.preview-stage:hover {
  border-color: var(--border-hover);
}

.preview-note {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

#preview-display {
  line-height: 1.25;
  color: var(--text);
  white-space: nowrap;
  display: inline-block;
  max-width: 100%;
}

/* ── All fonts grid ── */
.all-fonts-section {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.all-fonts-label {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.font-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.font-card {
  background: var(--surface);
  padding: 1.5rem;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.font-card:hover { background: var(--surface-2); }
.font-card.active { background: var(--surface-2); }

.font-card-name {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.font-card.active .font-card-name { color: var(--muted-2); }

.font-card-sample {
  font-size: 1.6rem;
  color: var(--muted-2);
  line-height: 1.15;
  transition: color 0.15s;
}

.font-card:hover .font-card-sample,
.font-card.active .font-card-sample { color: var(--text); }

.font-card-pangram {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color 0.15s;
}

.font-card:hover .font-card-pangram { color: var(--muted-2); }

/* ── Empty state ── */
.empty-state {
  padding: 5rem 2rem;
  text-align: center;
  color: var(--muted);
  grid-column: 1 / -1;
  background: var(--surface);
}

.empty-state p { font-size: 0.875rem; line-height: 1.8; }
.empty-state code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.15em 0.5em;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--muted-2);
}


/* ── Responsive ── */
@media (max-width: 860px) {
  .page { grid-template-columns: 1fr; }
  aside { display: none; }
  .main-content { padding: 2rem 1.5rem; }
  nav { padding: 0 1.25rem; }
}

@media (max-width: 520px) {
  nav { padding: 0 1rem; }
  .nav-logo { font-size: 0.6rem; }
  .main-content { padding: 1.5rem 1rem; }
}