/* Word Counter — clean, modern, ad-friendly */

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

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a1d26;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --metric-bg: #f0f4ff;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans Hebrew", sans-serif;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Header */
.header {
  margin-bottom: 1.25rem;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.subtitle {
  margin-top: 0.4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.lang-toggle {
  flex-shrink: 0;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--accent);
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.lang-toggle:hover {
  background: var(--accent);
  color: #fff;
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Ad slots — empty placeholders */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.75rem;
  min-height: 90px;
  margin: 1rem 0;
}

.ad-slot--banner {
  min-height: 90px;
}

.ad-slot--results {
  min-height: 100px;
  margin-top: 1.25rem;
}

/* Main */
.main {
  background: var(--surface);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.text-input {
  display: block;
  width: 100%;
  min-height: 220px;
  padding: 1rem 1.1rem;
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.text-input::placeholder {
  color: #9ca3af;
}

.text-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Metrics grid */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.metric {
  background: var(--metric-bg);
  border-radius: var(--radius);
  padding: 1rem 0.75rem;
  text-align: center;
}

.metric-value {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
}

.metric-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Actions */
.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  min-width: 120px;
  padding: 0.7rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

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

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

/* Footer */
.footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Mobile */
@media (max-width: 520px) {
  .page {
    padding: 1rem 0.85rem 2rem;
  }

  .main {
    padding: 1rem;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric--optional {
    grid-column: 1 / -1;
  }

  .text-input {
    min-height: 180px;
    font-size: 1rem;
  }

  .ad-slot--banner {
    min-height: 70px;
  }
}

@media (min-width: 521px) and (max-width: 640px) {
  .metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}