/* =====================================================
   tutorial-style.css
   Shared design system for all Smartiv CMS tutorials
   ===================================================== */

/* ── Google Font import (fallback: system-ui) ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ── */
:root {
  --brand-dark   : #1a2f6e;
  --brand-mid    : #2c4ebc;
  --brand-light  : #eef2ff;
  --brand-accent : #4f6fe8;
  --success      : #16a34a;
  --success-bg   : #f0fdf4;
  --success-bd   : #bbf7d0;
  --warn         : #b45309;
  --warn-bg      : #fffbeb;
  --warn-bd      : #fde68a;
  --info-bg      : #eff6ff;
  --info-bd      : #bfdbfe;
  --info-text    : #1e40af;
  --red          : #dc2626;
  --text-primary : #111827;
  --text-secondary:#374151;
  --text-muted   : #6b7280;
  --border       : #e5e7eb;
  --bg-page      : #f8f9fc;
  --radius-sm    : 6px;
  --radius-md    : 10px;
  --radius-lg    : 16px;
  --shadow-sm    : 0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md    : 0 4px 16px rgba(26,47,110,.12);
  --shadow-lg    : 0 8px 32px rgba(26,47,110,.16);
  --font-body    : 'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-mono    : 'JetBrains Mono','Fira Code','Courier New',monospace;
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg-page);color:var(--text-primary);line-height:1.65;font-size:15px}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-mid);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--font-mono);background:#f1f5f9;border:1px solid #e2e8f0;padding:1px 7px;border-radius:4px;font-size:.88em;color:#0f172a}

/* ── Top Nav ── */
.topnav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);padding:0 32px;height:58px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm)}
.topnav-brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.05rem;color:var(--brand-dark);text-decoration:none}
.topnav-brand:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;background:var(--brand-dark);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;font-weight:800;letter-spacing:-.5px;flex-shrink:0}
.topnav-links{display:flex;align-items:center;gap:4px}
.topnav-links a{font-size:.82rem;color:var(--text-muted);padding:5px 10px;border-radius:var(--radius-sm);transition:background .15s,color .15s}
.topnav-links a:hover,.topnav-links a.active{background:var(--brand-light);color:var(--brand-mid);text-decoration:none;font-weight:600}

/* ── Hero ── */
.hero{background:linear-gradient(135deg,#0f2060 0%,#1a2f6e 50%,#2c4ebc 100%);color:#fff;padding:52px 40px 48px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E")}
.hero::after{content:'';position:absolute;right:-80px;top:-80px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);border-radius:50%}
.hero-inner{position:relative;z-index:1;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.77rem;opacity:.7;margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff;text-decoration:none}
.breadcrumb .sep{opacity:.4;font-size:.7rem}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:20px;font-size:.77rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;margin-bottom:18px}
.hero h1{font-size:2.1rem;font-weight:800;line-height:1.2;margin-bottom:12px;letter-spacing:-.3px}
.hero p{font-size:1.02rem;opacity:.82;max-width:640px;line-height:1.7;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px}
.hero-meta-item{display:flex;align-items:center;gap:7px;font-size:.8rem;opacity:.72}
.hero-meta-dot{width:6px;height:6px;background:rgba(255,255,255,.45);border-radius:50%}

/* ── Page Layout ── */
.page-body{display:grid;grid-template-columns:240px 1fr;max-width:1280px;margin:0 auto}

/* ── Sidebar TOC ── */
.toc{position:sticky;top:58px;height:calc(100vh - 58px);overflow-y:auto;padding:28px 16px 40px;border-right:1px solid var(--border);background:#fff}
.toc-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:10px;padding:0 10px}
.toc-list{list-style:none}
.toc-list li{margin-bottom:2px}
.toc-list a{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--text-muted);padding:7px 10px;border-radius:var(--radius-sm);transition:background .15s,color .15s;text-decoration:none}
.toc-list a:hover{background:var(--brand-light);color:var(--brand-mid)}
.toc-list a.toc-active{background:var(--brand-light);color:var(--brand-mid);font-weight:600}
.toc-num{width:22px;height:22px;background:var(--border);color:var(--text-muted);font-size:.7rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,color .15s}
.toc-list a.toc-active .toc-num{background:var(--brand-mid);color:#fff}
.toc-divider{border:none;border-top:1px solid var(--border);margin:14px 10px}
.toc-section-label{font-size:.7rem;font-weight:600;color:var(--text-muted);padding:0 10px;margin:12px 0 4px;text-transform:uppercase;letter-spacing:.8px}

/* ── Main Content ── */
.content{padding:36px 44px 80px;min-width:0}

/* ── Overview Card ── */
.overview-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--brand-mid);border-radius:var(--radius-md);padding:24px 28px;margin-bottom:32px}
.overview-card h2{font-size:.95rem;color:var(--brand-dark);margin-bottom:6px;font-weight:700}
.overview-card p{font-size:.92rem;color:var(--text-secondary);line-height:1.7}
.overview-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--brand-light);border:1px solid #c7d4f7;border-radius:20px;padding:4px 12px;font-size:.77rem;color:var(--brand-dark);font-weight:600}

/* ── Step Cards ── */
.steps{counter-reset:step}
.step-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:28px;overflow:hidden;box-shadow:var(--shadow-sm);scroll-margin-top:80px}
.step-card:hover{box-shadow:var(--shadow-md)}
.step-header{counter-increment:step;display:flex;align-items:flex-start;gap:16px;padding:22px 26px 0}
.step-badge{width:46px;height:46px;flex-shrink:0;background:var(--brand-dark);color:#fff;font-size:1.15rem;font-weight:800;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}
.step-badge::before{content:counter(step)}
.step-title{font-size:1.1rem;font-weight:700;color:var(--brand-dark);margin-bottom:3px}
.step-sub{font-size:.83rem;color:var(--text-muted)}
.step-body{padding:18px 26px 24px}
.step-body p{font-size:.93rem;color:var(--text-secondary);margin-bottom:16px;line-height:1.7}
.step-body p:last-child{margin-bottom:0}

/* ── Action Box ── */
.action-box{background:linear-gradient(135deg,var(--brand-light),#f0f4ff);border:1px solid #c7d4f7;border-left:3px solid var(--brand-mid);border-radius:var(--radius-sm);padding:12px 16px;margin:14px 0;font-size:.88rem;color:var(--brand-dark);display:flex;gap:9px;align-items:flex-start}

/* ── Screenshot Component ── */
.screenshot-wrap{margin:20px 0}
.screenshot-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px}
.screenshot-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.7px;color:var(--text-muted);display:flex;align-items:center;gap:5px}
.screenshot-tag::before{content:'📷';font-size:.82rem}
.screenshot-fname{font-size:.7rem;color:var(--text-muted);font-family:var(--font-mono);background:#f1f5f9;padding:2px 7px;border-radius:4px;border:1px solid var(--border)}
.screenshot-frame{border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md)}
.browser-bar{background:#f1f5f9;border-bottom:1px solid var(--border);padding:7px 12px;display:flex;align-items:center;gap:7px}
.b-dot{width:10px;height:10px;border-radius:50%}
.b-red{background:#ff5f56}.b-yellow{background:#febc2e}.b-green{background:#27c93f}
.b-url{flex:1;background:#fff;border:1px solid var(--border);border-radius:4px;padding:3px 10px;font-size:.72rem;color:var(--text-muted);font-family:var(--font-mono);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.screenshot-frame img{width:100%;display:block;min-height:160px;background:var(--brand-light)}
.screenshot-ph{min-height:220px;background:linear-gradient(135deg,#f0f3fb,#e8edf8);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-muted);font-size:.86rem}
.screenshot-ph-icon{font-size:2rem;opacity:.35}
.screenshot-ph-name{font-family:var(--font-mono);font-size:.75rem;background:#fff;border:1px solid var(--border);padding:2px 9px;border-radius:4px}
.screenshot-caption{background:#f8f9fc;border-top:1px solid var(--border);padding:9px 14px;font-size:.78rem;color:var(--text-muted);line-height:1.5}
.screenshot-caption strong{color:var(--text-secondary)}
.screenshots-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}

/* ── Callout Boxes ── */
.callout{display:flex;gap:12px;align-items:flex-start;border-radius:var(--radius-md);padding:14px 18px;margin:16px 0;font-size:.88rem;line-height:1.6}
.callout.tip{background:var(--success-bg);border:1px solid var(--success-bd);color:#14532d}
.callout.note{background:var(--info-bg);border:1px solid var(--info-bd);color:var(--info-text)}
.callout.warn{background:var(--warn-bg);border:1px solid var(--warn-bd);color:#78350f}
.callout-icon{font-size:1.2rem;flex-shrink:0;margin-top:1px}
.callout-content strong{display:block;margin-bottom:4px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.4px}

/* ── Data Tables ── */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-md);margin:14px 0 20px}
.data-table{width:100%;border-collapse:collapse;font-size:.86rem}
.data-table th{background:#f8f9fc;text-align:left;padding:10px 14px;color:var(--brand-dark);font-weight:700;font-size:.77rem;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border)}
.data-table td{padding:11px 14px;border-bottom:1px solid #f1f5f9;color:var(--text-secondary);vertical-align:top;line-height:1.6}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:#fafbff}
.badge-req{display:inline-block;background:#fef2f2;color:var(--red);border:1px solid #fecaca;font-size:.68rem;font-weight:700;padding:1px 7px;border-radius:4px;text-transform:uppercase;letter-spacing:.4px}
.badge-opt{display:inline-block;background:#f0fdf4;color:var(--success);border:1px solid var(--success-bd);font-size:.68rem;font-weight:700;padding:1px 7px;border-radius:4px;text-transform:uppercase;letter-spacing:.4px}
.tag-pill{display:inline-block;background:var(--brand-light);color:var(--brand-mid);font-family:var(--font-mono);font-size:.78rem;padding:2px 8px;border-radius:4px;border:1px solid #c7d4f7}

/* ── Result / Success Card ── */
.result-card{background:var(--success-bg);border:1px solid var(--success-bd);border-left:4px solid var(--success);border-radius:var(--radius-md);padding:18px 22px;margin:18px 0}
.result-card h4{color:#14532d;font-size:.9rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.result-card h4::before{content:'✅';font-size:.95rem}
.checklist{list-style:none}
.checklist li{display:flex;align-items:flex-start;gap:9px;padding:6px 0;font-size:.86rem;color:#166534;border-bottom:1px dashed var(--success-bd)}
.checklist li:last-child{border-bottom:none}
.check-icon{width:18px;height:18px;flex-shrink:0;background:var(--success);color:#fff;font-size:.6rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:2px}
.check-icon::before{content:'✓'}

/* ── Next Steps ── */
.next-steps{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 26px;margin-top:36px}
.next-steps h3{font-size:1rem;color:var(--brand-dark);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.next-steps h3::before{content:'→';background:var(--brand-mid);color:#fff;width:26px;height:26px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0}
.next-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.next-card{display:block;background:var(--bg-page);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.next-card:hover{border-color:var(--brand-mid);box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}
.next-card-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:4px}
.next-card-title{font-size:.9rem;font-weight:600;color:var(--brand-dark)}

/* ── Footer ── */
footer{background:var(--brand-dark);color:rgba(255,255,255,.55);text-align:center;padding:24px 20px;font-size:.82rem}
footer strong{color:#fff}
footer a{color:rgba(255,255,255,.7)}
footer a:hover{color:#fff;text-decoration:none}

/* ── TOC active highlight scroll spy ── */
@media (max-width:900px){
  .page-body{grid-template-columns:1fr}
  .toc{display:none}
  .content{padding:24px 18px 60px}
  .hero{padding:36px 20px 32px}
  .hero h1{font-size:1.5rem}
  .screenshots-row{grid-template-columns:1fr}
}