/* ================================================================
   SHARED STYLES - ใช้ร่วมสำหรับทุกหน้า
   โครงสร้าง: Design system ฐานสำหรับ Cool Uncle Legal Lab
   ================================================================ */

:root{
  --paper:#FBF9F4;
  --card:#FFFFFF;
  --ink:#22283A;
  --ink-soft:#5A6072;
  --ink-faint:#9AA0B0;
  --line:#E5E1D6;
  --gold:#B08A3C;
  --gold-soft:#F3E8CF;
  --ok:#1E7A4F;
  --ok-bg:#E6F4EC;
  --bad:#B23A3A;
  --bad-bg:#FBEAEA;
  --accent:#2E4A7A;
  --radius:14px;
  --shadow:0 1px 2px rgba(34,40,58,.05),0 6px 20px rgba(34,40,58,.07);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}

body{
  font-family:'Sarabun',system-ui,sans-serif;
  background:
    radial-gradient(1200px 500px at 50% -200px, #F2EDDF 0%, transparent 60%),
    var(--paper);
  color:var(--ink);
  min-height:100vh;
  font-size:16px;
  line-height:1.75;
}

h1,h2,h3{font-family:'Noto Serif Thai',serif}

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+Thai:wght@500;600;700;900&family=Sarabun:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

/* ============ TOP BAR ============ */
.topbar{
  display:flex;align-items:center;gap:10px;
  background:#EFEAE0;border-bottom:1px solid var(--line);
  padding:10px 18px;font-size:13px;color:var(--ink-soft);
}
.topbar-brand{font-weight:800;color:var(--ink);display:flex;align-items:center;gap:6px}
.topbar-sep{color:var(--ink-faint)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.topbar-pill{
  background:var(--gold-soft);color:#8F6511;font-weight:700;font-size:12.5px;
  padding:4px 11px;border-radius:999px;
}

/* ============ BACK BUTTON ============ */
.back-button{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-weight:600;font-size:14px;
  text-decoration:none;margin-bottom:16px;transition:all .2s;
}
.back-button:hover{transform:translateX(-4px);color:var(--ink)}
.back-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ============ AUDIO PLAYER (READ ALOUD) ============ */
.audio-control{
  display:flex;align-items:center;gap:8px;
  margin:14px 0 20px;padding:12px 14px;
  background:var(--ok-bg);border:1px solid var(--ok);
  border-radius:var(--radius);
}
.audio-control button{
  display:flex;align-items:center;gap:6px;
  background:var(--ok);color:white;border:none;
  padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;
  cursor:pointer;transition:all .2s;
  font-family:inherit;
}
.audio-control button:hover{background:#177047;transform:translateY(-1px)}
.audio-control button:disabled{opacity:.5;cursor:not-allowed;transform:none}
.audio-control .speed-control{
  display:flex;align-items:center;gap:4px;font-size:12px;
}
.audio-control input[type="range"]{width:80px}

/* ============ YOUTUBE WIDGET ============ */
.youtube-section{
  margin:24px 0;padding:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
}
.youtube-section h3{
  font-size:16px;font-weight:700;margin-bottom:12px;color:var(--ink);
}
.youtube-list{
  display:flex;flex-direction:column;gap:10px;
}
.youtube-item{
  display:flex;align-items:center;gap:10px;
  padding:10px;background:#F9F7F2;border-radius:8px;
  text-decoration:none;color:inherit;transition:all .2s;
  cursor:pointer;
}
.youtube-item:hover{background:#F1EDE2;border-left:3px solid var(--accent)}
.youtube-item .thumb{
  width:60px;height:45px;background:#E0DDD5;border-radius:4px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
}
.youtube-item .meta{flex:1;display:flex;flex-direction:column;gap:4px}
.youtube-item .title{font-size:14px;font-weight:600;color:var(--ink)}
.youtube-item .channel{font-size:12px;color:var(--ink-soft)}
.youtube-item-open{color:var(--accent);font-weight:600;font-size:12px}

/* ============ WRAPPER ============ */
.wrap{max-width:1080px;margin:0 auto;padding:0 18px 60px}
.wrap-compact{max-width:860px;margin:0 auto;padding:0 18px 60px}

/* ============ FOOTER ============ */
footer{
  margin-top:52px;text-align:center;font-size:12.5px;color:var(--ink-faint);
  border-top:1px solid var(--line);padding-top:18px;
}

/* ============ UTILITY CLASSES ============ */
.text-center{text-align:center}
.mt-32{margin-top:32px}
.mb-16{margin-bottom:16px}

/* ============ MOBILE ============ */
@media(max-width:520px){
  .audio-control{padding:10px 12px;font-size:12px}
  .audio-control button{padding:6px 10px;font-size:12px}
  .youtube-item{padding:8px}
  .youtube-item .thumb{width:50px;height:37px}
  .youtube-item .title{font-size:13px}
  .youtube-item .channel{font-size:11px}
}