/* ========================================
   PR Description Template Builder — Styles
   ======================================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#00B894;--primary-light:#55EFC4;--accent:#FDCB6E;--bg:#0A1A14;--bg-card:rgba(12,30,22,0.75);--border:rgba(0,184,148,0.15);--border-hover:rgba(0,184,148,0.3);--text:#E0F5EE;--text-muted:#8BC5B5;--text-dim:#5A9A88;--radius:12px;--radius-sm:8px;--transition:250ms ease;--font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
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}
body::before{content:'';position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse 50% 40% at 20% 10%,rgba(0,184,148,0.05),transparent 70%),radial-gradient(ellipse 40% 50% at 80% 90%,rgba(253,203,110,0.04),transparent 70%)}
.app{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:0 20px}
.hidden{display:none!important}

.header{padding:32px 0 16px;text-align:center}
.logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:6px}
.logo h1{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--text-muted);font-size:0.9rem}

.main{padding-bottom:40px}
.layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;backdrop-filter:blur(12px)}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-header h2{font-size:1rem;font-weight:600}

/* Library */
.library-title{font-size:0.8rem;font-weight:500;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:0.5px}
.library-grid{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.library-chip{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:20px;border:1px solid var(--border);background:rgba(0,184,148,0.06);color:var(--primary-light);font-size:0.8rem;font-weight:500;cursor:pointer;transition:all var(--transition)}
.library-chip:hover{background:rgba(0,184,148,0.15);border-color:var(--primary)}
.library-chip svg{width:14px;height:14px}

/* Active Sections */
.active-sections{display:flex;flex-direction:column;gap:8px;min-height:100px}
.section-card{background:rgba(0,0,0,0.2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;cursor:grab;transition:all var(--transition)}
.section-card:hover{border-color:var(--border-hover)}
.section-card.dragging{opacity:0.5;transform:scale(0.98)}
.section-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.section-card-title{font-size:0.9rem;font-weight:600;display:flex;align-items:center;gap:8px}
.drag-handle{cursor:grab;color:var(--text-dim);font-size:1rem;user-select:none}
.section-card-actions{display:flex;gap:4px}
.section-card-actions button{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:0.9rem;padding:2px 6px;border-radius:4px;transition:color var(--transition)}
.section-card-actions button:hover{color:var(--accent)}
.section-card input[type="text"],.section-card textarea{width:100%;background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-family:var(--font);font-size:0.85rem;color:var(--text);resize:vertical}
.section-card input[type="text"]:focus,.section-card textarea:focus{outline:none;border-color:var(--primary)}
.section-card textarea{min-height:50px}

.checklist-items{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.checklist-item{display:flex;align-items:center;gap:6px;font-size:0.85rem}
.checklist-item input[type="text"]{flex:1}
.add-checklist-btn{font-size:0.8rem;color:var(--primary-light);cursor:pointer;background:none;border:none;padding:4px 0;font-family:var(--font)}

.builder-actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-end}

/* Preview */
.preview-content{background:rgba(0,0,0,0.2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 20px;min-height:300px;font-family:'SF Mono','Fira Code',monospace;font-size:0.82rem;line-height:1.7;color:var(--text-muted);white-space:pre-wrap;word-break:break-word;overflow-x:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font);font-size:0.85rem;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all var(--transition)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 4px 14px rgba(0,184,148,0.3)}
.btn-primary:hover{box-shadow:0 6px 20px rgba(0,184,148,0.45);transform:translateY(-1px)}
.btn-ghost{background:rgba(0,184,148,0.08);color:var(--primary-light);border:1px solid var(--border)}
.btn-ghost:hover{background:rgba(0,184,148,0.15)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-group{display:flex;gap:8px}

select{background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;font-family:var(--font);font-size:0.82rem;color:var(--text);cursor:pointer}
select:focus{outline:none;border-color:var(--primary)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);padding:10px 20px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-size:0.85rem;font-weight:500;box-shadow:0 8px 32px rgba(0,184,148,0.4);opacity:0;transition:all 300ms ease;z-index:100;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.footer{text-align:center;padding:16px 0 32px;color:var(--text-dim);font-size:0.75rem}

@media(max-width:768px){
  .layout{grid-template-columns:1fr}
  .header{padding:24px 0 12px}
  .logo h1{font-size:1.3rem}
  .panel{padding:14px}
}