/* ── Word Counter — tool & content page styles ─────────────────────
   Builds on css/shared.css design tokens (:root). Same visual family
   as the Word Generator main page. */

/* ── Page hero ─────────────────────────────────────────────────── */
.page-hero { max-width: 860px; margin: 0 auto; padding: 36px 20px 8px; text-align: center; }
.page-hero h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -1px; line-height: 1.15; }
.page-hero h1 span { color: var(--accent); }
.page-hero .subtitle { color: var(--muted); font-size: 1.02rem; margin-top: 10px; }

main { max-width: 860px; margin: 0 auto; padding: 20px; }

/* ── Card ──────────────────────────────────────────────────────── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px; }

/* ── Editor / textarea ─────────────────────────────────────────── */
.editor-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.editor-toolbar .tool-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.text-input {
  width: 100%;
  min-height: 220px;
  resize: vertical;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.text-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.dropzone-active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,.18); background: var(--accent-bg); }
.drop-hint { font-size: .8rem; color: var(--muted); margin-top: 8px; }
#fileInput { display: none; }
.file-status { font-size: .82rem; color: var(--accent-fg); font-weight: 600; min-height: 18px; margin-top: 6px; }
.file-status.error { color: #b42318; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 11px 22px;
  font-family: inherit; font-size: .95rem; font-weight: 700;
  border: none; border-radius: var(--radius); cursor: pointer;
  background: var(--accent); color: #fff;
  transition: background .15s, transform .1s;
}
.btn:hover { background: var(--accent-h); }
.btn:active { transform: scale(.98); }
.btn svg { width: 17px; height: 17px; }
.btn-ghost { background: var(--surface2); color: var(--text); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-sm { min-height: 38px; padding: 8px 14px; font-size: .85rem; }

/* ── Stats grid ────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 12px; margin-top: 4px; }
.stat {
  background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 14px; text-align: center;
}
.stat .stat-num { font-family: 'JetBrains Mono', monospace; font-size: 1.7rem; font-weight: 600; color: var(--text); line-height: 1.1; }
.stat .stat-num.accent { color: var(--accent); }
.stat .stat-key { display: block; margin-top: 6px; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* ── Filters box (mirrors Word Generator) ──────────────────────── */
.section-label { display: flex; align-items: center; gap: 7px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.filters-box { background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.filter-row-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.active-badge { background: var(--accent); color: #fff; font-size: .68rem; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.reset-btn { display: inline-flex; align-items: center; gap: 5px; background: none; border: none; cursor: pointer; font-family: inherit; font-size: .78rem; font-weight: 600; color: var(--muted); }
.reset-btn:hover { color: var(--accent); }
.reset-btn svg { width: 13px; height: 13px; }
.filter-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.field select, .field input {
  font-family: inherit; font-size: .92rem; padding: 9px 11px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text); outline: none;
  transition: border-color .15s;
}
.field select:focus, .field input:focus { border-color: var(--accent); }
.toggles { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 14px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 600; color: var(--text); cursor: pointer; }
.toggle input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* ── Frequency results ─────────────────────────────────────────── */
.results-header { display: flex; align-items: center; justify-content: space-between; margin: 4px 0 12px; }
.results-header h2 { font-size: 1.05rem; font-weight: 800; }
.count-badge { font-family: 'JetBrains Mono', monospace; font-size: .8rem; font-weight: 600; color: var(--accent-fg); background: var(--accent-bg); padding: 3px 10px; border-radius: 999px; }
.freq-list { list-style: none; display: flex; flex-direction: column; gap: 6px; max-height: 460px; overflow-y: auto; }
.freq-row { display: grid; grid-template-columns: 1.6rem 1fr auto; align-items: center; gap: 12px; padding: 8px 12px; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); }
.freq-rank { font-family: 'JetBrains Mono', monospace; font-size: .78rem; color: var(--muted); text-align: right; }
.freq-word-wrap { min-width: 0; }
.freq-word { font-weight: 600; color: var(--text); word-break: break-word; }
.freq-bar { height: 6px; border-radius: 999px; background: var(--accent); margin-top: 5px; min-width: 4px; opacity: .85; }
.freq-count { font-family: 'JetBrains Mono', monospace; font-size: .85rem; font-weight: 600; color: var(--accent-fg); white-space: nowrap; }
.empty-state, .no-match { text-align: center; color: var(--muted); padding: 40px 20px; }
.empty-state svg { width: 40px; height: 40px; opacity: .5; margin-bottom: 10px; }
.empty-state p { font-size: .92rem; }

/* ── Content sections (how-it-works / use-cases / faq) ─────────── */
.section { max-width: 860px; margin: 16px auto; padding: 24px 20px; }
.section > h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 20px; text-align: center; }
.steps { display: grid; gap: 16px; }
.step { display: flex; gap: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); }
.step-num { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--accent-bg); color: var(--accent-fg); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.step-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.step-body p { font-size: .92rem; color: var(--muted); line-height: 1.6; }
.use-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.use-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); }
.use-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.use-card p { font-size: .9rem; color: var(--muted); line-height: 1.6; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0; margin-bottom: 10px; overflow: hidden; }
.faq summary { cursor: pointer; padding: 16px 18px; font-weight: 700; font-size: .98rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: '–'; }
.faq .faq-body { padding: 0 18px 16px; font-size: .92rem; color: var(--muted); line-height: 1.7; }

/* ── Training page ─────────────────────────────────────────────── */
.mode-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.mode-tab { min-height: 44px; padding: 10px 18px; font-family: inherit; font-size: .9rem; font-weight: 700; border: 1.5px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.mode-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.drill-prompt { font-size: 1.05rem; font-weight: 600; line-height: 1.6; margin-bottom: 14px; }
.drill-prompt .target { color: var(--accent); font-weight: 800; }
.drill-feedback { min-height: 24px; font-weight: 700; font-size: .95rem; margin-top: 12px; }
.drill-feedback.good { color: var(--green); }
.drill-feedback.bad { color: #b42318; }
.drill-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 12px; }
.drill-meta .stat-box { display: flex; flex-direction: column; }
.drill-meta .stat-box b { font-family: 'JetBrains Mono', monospace; font-size: 1.3rem; color: var(--text); }
.drill-meta .stat-box span { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }

/* ── Footer (page-level) ───────────────────────────────────────── */
footer.page-footer { border-top: 1px solid var(--border); padding: 24px 20px; text-align: center; font-size: .82rem; color: var(--muted); margin-top: 24px; }
footer.page-footer nav a { color: var(--muted); }
footer.page-footer nav a:hover { color: var(--text); }

/* ── Toast ─────────────────────────────────────────────────────── */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--text); color: #fff; padding: 11px 20px; border-radius: var(--radius); font-size: .88rem; font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 200; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 620px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 400px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }