/* Setlist Flow Builder — styles */
:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-card-alt: #172033;
  --bg-input: #0f172a;
  --border: #334155;
  --border-light: #475569;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-glow: rgba(245,158,11,.15);
  --red: #ef4444;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --green: #34d399;
  --radius: 10px;
  --radius-sm: 6px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,.3);
  --max-width: 1100px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover,a:focus{color:var(--accent-hover);text-decoration:underline}
img,svg{max-width:100%;height:auto}
input,select,button{font-family:inherit;font-size:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Header */
.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:flex;align-items:center;gap:.5rem;color:var(--text);text-decoration:none;font-weight:700;font-size:1.1rem}
.logo:hover,.logo:focus{color:var(--text);text-decoration:none}
.logo-icon{flex-shrink:0}
.site-nav{display:flex;gap:1.25rem;flex-wrap:wrap}
.site-nav a{color:var(--text-dim);font-size:.9rem;font-weight:500}
.site-nav a:hover,.site-nav a:focus{color:var(--accent);text-decoration:none}

/* Hero */
.hero{max-width:var(--max-width);margin:0 auto;padding:3rem 1.5rem 2.5rem;display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;line-height:1.25;background:linear-gradient(135deg,var(--text) 30%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.75rem}
.hero-sub{color:var(--text-dim);font-size:1.05rem;max-width:480px;margin-bottom:1.5rem}
.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap}
.hero-preview{display:flex;justify-content:center}
.arc-preview-svg{width:100%;max-width:400px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.25rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;border:2px solid transparent;transition:all .15s;text-decoration:none;line-height:1.3}
.btn:hover,.btn:focus{text-decoration:none}
.btn-primary{background:var(--accent);color:#0f172a;border-color:var(--accent)}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-hover);border-color:var(--accent-hover);color:#0f172a}
.btn-ghost{background:transparent;color:var(--text-dim);border-color:var(--border-light)}
.btn-ghost:hover,.btn-ghost:focus{color:var(--text);border-color:var(--text-muted);background:rgba(255,255,255,.03)}
.btn-sm{padding:.4rem .85rem;font-size:.82rem}
.btn-danger{background:transparent;color:var(--red);border-color:rgba(239,68,68,.3)}
.btn-danger:hover,.btn-danger:focus{border-color:var(--red);background:rgba(239,68,68,.08)}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* Selects & Inputs */
.select-styled,input[type="text"],input[type="number"]{background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .75rem;width:100%;outline:none;transition:border-color .15s}
.select-styled:focus,input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.select-styled{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%2394a3b8' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .65rem center;padding-right:2rem}

/* Builder Section */
.builder-section{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem 3rem}
.builder-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.builder-header h2{font-size:1.4rem;font-weight:700}
.builder-controls{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}
.builder-layout{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.5rem}

/* Cards */
.song-form-card,.arc-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.song-form-card h3,.arc-card h3{font-size:.95rem;font-weight:600;color:var(--text-dim);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.04em}
.form-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:.75rem;margin-bottom:1rem}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--text-muted);margin-bottom:.3rem;text-transform:uppercase;letter-spacing:.03em}

/* Arc */
.arc-svg{width:100%}
.arc-caption{font-size:.8rem;color:var(--text-muted);text-align:center;margin-top:.5rem}

/* Setlist Area */
.setlist-area{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.setlist-toolbar{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:.5rem}
.setlist-toolbar h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:.5rem}
.count-badge{background:var(--accent);color:#0f172a;font-size:.75rem;font-weight:700;padding:.15em .55em;border-radius:99px}
.setlist-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* Song Items */
.setlist-container{min-height:80px}
.empty-state{padding:2.5rem;text-align:center;color:var(--text-muted)}
.empty-icon{width:48px;height:48px;margin:0 auto .75rem;display:block}
.song-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.25rem;border-bottom:1px solid var(--border);cursor:grab;transition:background .12s}
.song-item:last-child{border-bottom:none}
.song-item:hover{background:rgba(255,255,255,.02)}
.song-item.dragging{opacity:.4;background:var(--accent-glow)}
.song-item.drag-over{border-top:2px solid var(--accent)}
.drag-handle{color:var(--text-muted);cursor:grab;font-size:1.1rem;flex-shrink:0;user-select:none;line-height:1}
.song-pos{font-size:.8rem;font-weight:700;color:var(--text-muted);width:1.5rem;text-align:center;flex-shrink:0}
.song-info{flex:1;min-width:0}
.song-name{font-weight:600;font-size:.93rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.song-meta{font-size:.78rem;color:var(--text-muted);display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.1rem}
.song-tag{font-size:.72rem;font-weight:600;padding:.1em .5em;border-radius:4px;display:inline-block}
.tag-key{background:rgba(245,158,11,.15);color:var(--accent)}
.tag-bpm{background:rgba(34,211,238,.12);color:var(--cyan)}
.tag-energy{background:rgba(167,139,250,.12);color:var(--purple)}
.song-energy-dots{display:flex;gap:2px;flex-shrink:0}
.song-energy-dots span{width:7px;height:7px;border-radius:50%;background:var(--border);display:inline-block}
.song-energy-dots span.active{background:var(--accent)}
.song-item .btn-danger{flex-shrink:0;padding:.3rem .6rem;font-size:.78rem}

/* Saved Section */
.saved-section{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem 3rem}
.saved-header{margin-bottom:1.25rem}
.saved-header h2{font-size:1.3rem;font-weight:700;margin-bottom:.25rem}
.saved-meta{font-size:.85rem;color:var(--text-muted)}
.saved-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}
.saved-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}
.saved-card h4{font-size:.95rem;font-weight:600;margin-bottom:.25rem}
.saved-card-date{font-size:.78rem;color:var(--text-muted);margin-bottom:.75rem}
.saved-card-songs{font-size:.82rem;color:var(--text-dim);margin-bottom:.75rem;max-height:120px;overflow-y:auto}
.saved-card-songs li{margin-bottom:.2rem}
.saved-card-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* Guide Section */
.guide-section{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem 3rem}
.guide-grid{display:grid;grid-template-columns:1fr 320px;gap:2rem}
.guide-main h2{font-size:1.4rem;font-weight:700;margin-bottom:1rem}
.guide-main h3{font-size:1.05rem;font-weight:600;margin:1.5rem 0 .5rem;color:var(--accent)}
.guide-main p{color:var(--text-dim);margin-bottom:.75rem;font-size:.93rem}
.guide-side{display:flex;flex-direction:column;gap:1rem}
.guide-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem}
.guide-card-dark{background:var(--bg-card-alt);border-color:var(--accent);border-width:1px}
.guide-card h3{font-size:.88rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);margin-bottom:.6rem}
.guide-card p{font-size:.88rem;color:var(--text-dim);line-height:1.5}
.mistake-list,.tip-list{list-style:none;padding:0}
.mistake-list li,.tip-list li{font-size:.85rem;color:var(--text-dim);padding:.3rem 0;border-bottom:1px solid var(--border);line-height:1.4}
.mistake-list li:last-child,.tip-list li:last-child{border-bottom:none}
.mistake-list li::before{content:'✕ ';color:var(--red);font-weight:700}
.tip-list li::before{content:'→ ';color:var(--green);font-weight:700}

/* Toast */
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem 1.25rem;font-size:.85rem;color:var(--text);box-shadow:var(--shadow);z-index:200;opacity:0;transform:translateY(10px);transition:all .25s;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}

/* Footer */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);margin-top:2rem}
.footer-inner{max-width:var(--max-width);margin:0 auto;padding:1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:.75rem}
.logo-text-sm{font-weight:700;font-size:.9rem}
.footer-version{font-size:.75rem;color:var(--text-muted)}
.footer-links{display:flex;gap:1rem;flex-wrap:wrap}
.footer-links a{font-size:.82rem;color:var(--text-muted)}
.footer-links a:hover,.footer-links a:focus{color:var(--accent)}
.footer-note{font-size:.78rem;color:var(--text-muted);width:100%;margin-top:.25rem}

/* Responsive */
@media(max-width:860px){
  .hero{grid-template-columns:1fr;padding:2rem 1.25rem 1.5rem}
  .hero-preview{order:-1}
  .builder-layout{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .guide-side{order:-1}
  .form-grid{grid-template-columns:1fr 1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:540px){
  .header-inner{flex-direction:column;align-items:flex-start;padding:.65rem 1rem}
  .site-nav{gap:.85rem}
  .hero h1{font-size:1.4rem}
  .form-grid{grid-template-columns:1fr}
  .setlist-toolbar{flex-direction:column;align-items:flex-start}
  .saved-list{grid-template-columns:1fr}
}

/* Print */
@media print{
  .site-header,.site-footer,.hero,.builder-controls,.preset-wrap,.song-form-card,.arc-card,.setlist-actions,.guide-section,.saved-section,.toast{display:none!important}
  body{background:#fff;color:#000}
  .builder-section,.setlist-area{box-shadow:none;border:none;padding:0;margin:0}
  .setlist-toolbar{border:none;padding:0;margin-bottom:.5rem}
  .song-item{border-bottom:1px solid #ccc;cursor:default;padding:.4rem 0}
  .drag-handle,.song-energy-dots,.song-item .btn-danger{display:none!important}
  .song-tag{border:1px solid #999}}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}