/*
Theme Name: LongSum SaaS
Theme URI: https://example.com/
Author: You
Author URI: https://example.com/
Description: 長文要約・要点抽出SaaS（SPA風）最小MVPテーマ
Version: 1.0.0
License: Proprietary
Text Domain: longsum-saas
*/

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; color: #0f172a; background: #f8fafc; }
:root { --brand:#3b82f6; --border:#e2e8f0; --muted:#64748b; --card:#ffffff; }

.header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(6px); background: rgba(248,250,252,.9); border-bottom: 1px solid var(--border); }
.nav { max-width: 960px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: .2px; }
.logo-badge { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--brand), #60a5fa); display: grid; place-items: center; color:#fff; font-weight: 900; }
.nav a { color: #0f172a; text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.nav a.active, .nav a:hover { background: #eaf2ff; }

.container { max-width: 960px; margin: 24px auto; padding: 0 16px; }
.grid { display: grid; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; box-shadow: 0 8px 24px rgba(2,6,23,0.06); }
.card h2 { margin: 0 0 8px; font-size: 18px; }
.hr { height: 1px; background: var(--border); margin: 12px -16px; }

textarea { width: 100%; min-height: 180px; resize: vertical; padding: 12px; border-radius: 12px; border: 1px solid var(--border); outline: none; background: #fff; }
select, input[type="text"], input[type="number"] { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.button { appearance: none; border: 0; background: var(--brand); color: #fff; font-weight: 700; padding: 12px 16px; border-radius: 12px; cursor: pointer; }
.button:disabled { opacity: .6; cursor: not-allowed; }
.button.ghost { background: #eef2ff; color: #1e293b; }
.badge { display:inline-block; padding: 4px 8px; background:#eff6ff; color:#1e40af; border-radius:999px; font-size: 12px; }

.output { display: grid; gap: 12px; }
.output .stage { border: 1px dashed var(--border); border-radius: 12px; padding: 12px; background:#fcfdff; }
.kv { display:grid; grid-template-columns: 120px 1fr; gap: 8px; font-size: 14px; color: var(--muted); }
.kv strong { color:#0f172a; }

.footer { text-align:center; color: var(--muted); padding: 24px; }

@media (min-width: 768px){
  .grid.cols-2 { grid-template-columns: 1fr 1fr; }
}