:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-border: #2a3348;
  --text: #e8ecf4;
  --text-dim: #9aa5bd;
  --accent: #5b8cff;
  --accent-text: #0b0f18;
  --mark-bg: rgba(91, 140, 255, 0.28);

  --reader-font-size: 18px;
  --reader-line-height: 1.7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Arabic", system-ui, sans-serif;
  line-height: 1.5;
}

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

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand h1 {
  font-size: 1.4rem;
  margin: 0;
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.lang-toggle:hover {
  border-color: var(--accent);
}

.tagline {
  color: var(--text-dim);
  margin: 0.75rem 0 0.5rem;
}

.privacy-badge {
  display: inline-block;
  font-size: 0.85rem;
  color: #35c281;
  background: rgba(53, 194, 129, 0.1);
  border: 1px solid rgba(53, 194, 129, 0.3);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  margin-bottom: 1.25rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

textarea {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 10px;
  padding: 0.75rem;
  font-size: 1rem;
  resize: vertical;
  min-height: 8rem;
}

textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

button {
  font: inherit;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

button:hover {
  filter: brightness(1.1);
}

.reading-aids {
  margin-top: 1.5rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}

.reading-aids h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.aid-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.aid-row label {
  margin: 0;
  font-weight: 400;
  flex: none;
  min-width: 9rem;
  color: var(--text-dim);
}

.aid-row input[type="range"] {
  flex: 1;
}

.aid-row-checkbox {
  gap: 0.5rem;
}

.aid-row-checkbox label {
  min-width: 0;
}

.results {
  margin-top: 2rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1.5rem;
}

.results-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.results-heading-row h2 {
  margin: 0;
}

.output-text {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin-top: 0.75rem;
  font-size: var(--reader-font-size);
  line-height: var(--reader-line-height);
}

.output-text.dyslexia-friendly {
  letter-spacing: 0.04em;
  word-spacing: 0.16em;
}

mark {
  background: var(--mark-bg);
  color: var(--text);
  border-radius: 4px;
  padding: 0 3px;
  cursor: help;
}

.changes-note,
.unsupported-note {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.6rem;
}

.unsupported-note {
  color: #e3b341;
}

.disclaimer {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.site-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--panel-border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.site-footer a {
  color: var(--accent);
}

body.high-contrast {
  --bg: #000000;
  --panel: #000000;
  --panel-border: #ffffff;
  --text: #ffffff;
  --text-dim: #ffffff;
  --mark-bg: #ffe200;
}

body.high-contrast mark {
  color: #000000;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: #ffffff;
    --panel-border: #dde2ee;
    --text: #1a2030;
    --text-dim: #5b6478;
  }
}