/* Manifest V3 Migration Checker — Chrome Blue Dark */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #4285F4;
  --primary-dim: rgba(66,133,244,0.12);
  --secondary: #669DF6;
  --accent: #FBBC04;
  --accent-dim: rgba(251,188,4,0.12);
  --green: #34A853;
  --red: #EA4335;
  --bg: #0D1117;
  --bg-card: #161B22;
  --border: rgba(66,133,244,0.10);
  --text: #E6EDF3;
  --text-dim: #8B949E;
  --text-muted: #484F58;
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --transition: 0.2s ease;
}

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

.header { border-bottom: 1px solid var(--border); background: rgba(22,27,34,0.95); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 10; }
.header-inner { max-width: 750px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; }
.header-left { display: flex; align-items: center; gap: 10px; }
.header-actions { display: flex; gap: 6px; }
.logo-icon { font-size: 1.2rem; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; background: var(--primary-dim); border-radius: var(--radius-sm); }
.header h1 { font-size: 1.05rem; font-weight: 700; }
.subtitle { font-size: 0.72rem; color: var(--text-dim); }

.main { max-width: 750px; margin: 0 auto; padding: 20px; }

.btn { padding: 8px 16px; font-family: var(--font); font-size: 0.78rem; font-weight: 600; border: none; border-radius: 6px; cursor: pointer; transition: all var(--transition); }
.btn-sm { padding: 5px 10px; font-size: 0.72rem; background: var(--primary-dim); color: var(--primary); border: 1px solid rgba(66,133,244,0.2); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #3367D6); color: #fff; }

.input-card, .report-card, .fixed-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; border-bottom: 1px solid var(--border); }
.panel-label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

.manifest-input { width: 100%; min-height: 150px; padding: 12px; font-family: var(--mono); font-size: 0.72rem; color: var(--text); background: transparent; border: none; outline: none; resize: vertical; }
.input-footer { padding: 8px 14px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }

.score-badges { display: flex; gap: 6px; }
.badge { padding: 2px 8px; border-radius: 10px; font-size: 0.58rem; font-weight: 700; }
.badge-breaking { background: rgba(234,67,53,0.15); color: var(--red); }
.badge-warning { background: var(--accent-dim); color: var(--accent); }
.badge-info { background: var(--primary-dim); color: var(--primary); }

.issues-list { max-height: 350px; overflow-y: auto; }
.issue-row { padding: 10px 14px; border-bottom: 1px solid rgba(66,133,244,0.04); }
.issue-title { font-size: 0.78rem; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.issue-sev { font-size: 0.52rem; font-weight: 700; padding: 1px 6px; border-radius: 6px; }
.sev-breaking { background: rgba(234,67,53,0.15); color: var(--red); }
.sev-warning { background: var(--accent-dim); color: var(--accent); }
.sev-info { background: var(--primary-dim); color: var(--primary); }
.issue-detail { font-size: 0.68rem; color: var(--text-dim); margin-top: 2px; }
.issue-fix { font-size: 0.62rem; color: var(--green); margin-top: 2px; }

.code-pre { padding: 12px; font-family: var(--mono); font-size: 0.68rem; color: var(--text-dim); max-height: 200px; overflow: auto; white-space: pre-wrap; }

.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column-reverse; gap: 8px; }
.toast { padding: 10px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: 0 4px 24px rgba(0,0,0,0.5); font-size: 0.82rem; animation: toastIn 0.3s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }