/* Blog Outline Generator — Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #F97316; --primary-light: #FB923C;
  --accent: #8B5CF6; --accent-glow: rgba(139,92,246,0.15);
  --success: #10B981; --danger: #EF4444;
  --bg: #140A00; --bg-card: rgba(255,255,255,0.04);
  --bg-glass: rgba(255,255,255,0.06); --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16); --text: #E8E8E8;
  --text-dim: #9CA3AF; --text-muted: #6B7280;
  --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --shadow: 0 4px 24px rgba(0,0,0,0.3); --transition: 250ms ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased; }

.header { position: sticky; top: 0; z-index: 100; background: rgba(20,10,0,0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); }
.header__inner { max-width: 900px; margin: 0 auto; padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.header__brand { display: flex; align-items: center; gap: 0.6rem; }
.header__icon { font-size: 1.3rem; }
.header__title { font-size: 1.15rem; font-weight: 700; }
.header__actions { display: flex; gap: 0.5rem; }

.btn { display: inline-flex; align-items: center; gap: 0.4rem; border: none; cursor: pointer; font-family: var(--font); font-size: 0.85rem; font-weight: 500; border-radius: var(--radius-sm); transition: all var(--transition); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn--ghost { background: var(--bg-glass); color: var(--text-dim); padding: 0.5rem 0.85rem; border: 1px solid var(--border); }
.btn--ghost:hover:not(:disabled) { background: rgba(255,255,255,0.1); color: var(--text); }
.btn--accent { background: var(--primary); color: #fff; padding: 0.6rem 1.2rem; font-weight: 600; }
.btn--accent:hover:not(:disabled) { filter: brightness(1.15); transform: translateY(-1px); }
.btn--lg { font-size: 0.95rem; padding: 0.7rem 1.5rem; }
.btn--sm { font-size: 0.78rem; padding: 0.35rem 0.7rem; }

.main { max-width: 900px; margin: 0 auto; padding: 1.25rem 1.5rem 3rem; }

.input-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.input-row { display: flex; flex-direction: column; gap: 0.3rem; }
.input-row--grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.75rem; }
@media (max-width: 600px) { .input-row--grid { grid-template-columns: 1fr; } }
.input-label { font-size: 0.78rem; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.04em; }
.input { width: 100%; padding: 0.6rem 0.85rem; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font); font-size: 0.88rem; transition: all var(--transition); }
.input::placeholder { color: var(--text-muted); }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(249,115,22,0.15); }
.input--lg { font-size: 1rem; padding: 0.75rem 1rem; }
select.input { cursor: pointer; }

.outline-section[hidden], .saved-panel[hidden] { display: none; }
.outline-header { margin-bottom: 1rem; }
.outline-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.outline-meta { font-size: 0.82rem; color: var(--text-dim); display: flex; gap: 1rem; flex-wrap: wrap; }
.outline-meta span { display: inline-flex; align-items: center; gap: 0.3rem; }

.seo-block { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.seo-block__title { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.5rem; }
.seo-block__chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.seo-chip { font-size: 0.72rem; padding: 0.25rem 0.6rem; border-radius: 999px; background: rgba(139,92,246,0.15); color: var(--accent); border: 1px solid rgba(139,92,246,0.2); }

.outline-body { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.25rem; }

.outline-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; transition: all var(--transition); animation: fadeIn 300ms ease backwards; }
.outline-card:hover { border-color: var(--border-hover); }
.outline-card__header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.outline-card__num { font-size: 0.7rem; font-weight: 700; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.outline-card__heading { font-size: 0.95rem; font-weight: 600; flex: 1; }
.outline-card__words { font-size: 0.7rem; color: var(--text-muted); font-family: var(--mono); }
.outline-card__points { list-style: none; padding-left: 2rem; }
.outline-card__points li { font-size: 0.82rem; color: var(--text-dim); padding: 0.2rem 0; position: relative; }
.outline-card__points li::before { content: '•'; position: absolute; left: -1rem; color: var(--primary-light); }
.outline-card__subheadings { padding-left: 2rem; margin-top: 0.4rem; }
.outline-card__subheading { font-size: 0.8rem; color: var(--primary-light); font-weight: 500; padding: 0.15rem 0; }

.outline-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.saved-panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-top: 1.5rem; }
.saved-panel__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.saved-panel__title { font-size: 0.95rem; font-weight: 600; }
.saved-panel__list { display: flex; flex-direction: column; gap: 0.5rem; }

.saved-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); }
.saved-item:hover { border-color: var(--border-hover); background: var(--bg-glass); }
.saved-item__title { flex: 1; font-size: 0.85rem; font-weight: 500; }
.saved-item__time { font-size: 0.7rem; color: var(--text-muted); }
.saved-item__del { font-size: 0.75rem; color: var(--danger); cursor: pointer; background: none; border: none; padding: 0.25rem; }
.saved-empty { font-size: 0.82rem; color: var(--text-muted); padding: 0.5rem 0; }

.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 0.6rem 1.25rem; border-radius: var(--radius); font-size: 0.85rem; font-weight: 500; box-shadow: var(--shadow); z-index: 500; animation: toastIn 300ms ease; }
.toast[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

@media (max-width: 600px) { .main { padding: 1rem; } .header__inner { padding: 0.6rem 1rem; } }
::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: transparent; } ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 999px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }