/* sutra.css — สไตล์กลางสำหรับทุกหน้าบทสวด (รูปแบบ 2 คอลัมน์: จีน | คำอ่านไทย) */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@400;600;700;800&family=Sarabun:wght@400;500;600&family=Noto+Serif+TC:wght@600;700&display=swap');
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
/* ฟอนต์จีนแบบ KaiTi 楷體 ทรงคลาสสิก (cwTeX Q Kai — โอเพนซอร์ส, subset เฉพาะตัวอักษรที่ใช้ในบทสวด) */
@font-face{font-family:'cwTeXQKai';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/cwTeXQKai-subset.woff2') format('woff2')}
::selection{background:#dbe7ff}
:root{--red:#E23744;--green:#13987a;--blue:#2f6bff;--ink:#1c2436;--muted:#6a7488;--bg:#F4F6FB;--card:#fff;--border:#E7ECF4;--shadow:0 4px 22px rgba(28,40,70,.07);--shadow-lg:0 18px 46px rgba(28,40,70,.14);--zh-font:'cwTeXQKai','標楷體','DFKai-SB','BiauKai','KaiTi','Kaiti SC','STKaiti','Noto Serif TC',serif}
body{font-family:'Sarabun','cwTeXQKai',sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}
.topbar{height:5px;background:linear-gradient(90deg,var(--red),var(--green),var(--blue))}
.bar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:.7rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.bar a.back{color:var(--muted);font-weight:600;font-family:'Kanit','cwTeXQKai';padding:6px 14px;border-radius:50px;transition:.2s}
.bar a.back:hover{background:var(--bg);color:var(--ink)}
.btn{border:none;cursor:pointer;font-family:'Kanit','cwTeXQKai';font-weight:600;font-size:.9rem;padding:10px 20px;border-radius:50px;background:linear-gradient(120deg,var(--red),var(--blue));color:#fff;box-shadow:0 6px 18px rgba(47,107,255,.28);transition:.2s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.wrap{max-width:760px;margin:0 auto;padding:1.8rem 1rem 4rem}
.head{text-align:center;margin-bottom:1.4rem}
.head .zh{font-family:var(--zh-font);font-weight:400;font-synthesis:none;font-size:2.2rem;color:var(--red);letter-spacing:.08em;line-height:1.3}
.head .th-read{font-family:'Kanit','cwTeXQKai';font-weight:600;font-size:1.05rem;color:var(--red);margin-top:.5rem}
.head .th-mean{font-family:'Kanit','cwTeXQKai';font-weight:500;font-size:.95rem;color:var(--muted);margin-top:.2rem}
.video{margin:0 0 1.4rem}
.video h3{font-family:'Kanit','cwTeXQKai';font-size:1rem;color:var(--ink);margin-bottom:.6rem;display:flex;align-items:center;gap:8px}
.vbox{position:relative;width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg)}
.vbox iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.scroll{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:1.6rem 1.3rem;box-shadow:var(--shadow)}
.vr{display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1.2rem;align-items:baseline;padding:.55rem 0;border-bottom:1px solid #f1f4f9}
.vr:last-child{border:none}
.vr .zh{font-family:var(--zh-font);font-size:1.25rem;font-weight:400;font-synthesis:none;color:var(--ink);line-height:1.5;letter-spacing:.04em}
.vr .th{font-size:1.1rem;color:var(--blue);font-weight:600;line-height:1.5}
.vr .mean{grid-column:1 / -1;font-size:.9rem;color:var(--muted);margin-top:-.1rem}
/* แถวหัวข้อย่อย (เช่น "老君曰：") */
.vr.solo{grid-template-columns:1fr}
.vr.solo .th{color:var(--green)}
.note{background:#fff;border:1px solid var(--border);border-left:4px solid var(--blue);border-radius:12px;padding:.95rem 1.15rem;font-size:.9rem;margin-top:1.4rem;color:#475068;box-shadow:var(--shadow)}
.foot{text-align:center;color:var(--muted);font-size:.85rem;margin-top:2rem;font-family:'Kanit','cwTeXQKai'}
@media(max-width:560px){.wrap{padding:1.4rem .6rem 4rem}.scroll{padding:1.2rem .9rem}.head .zh{font-size:1.55rem}.vr{gap:.3rem .7rem}.vr .zh{font-size:1.05rem}.vr .th{font-size:.95rem}}
/* ===== รูปแบบรายตัวอักษร: จีน + พินอิน + คำอ่านไทย + ความหมาย ===== */
.legend{display:flex;gap:1.3rem;justify-content:center;font-size:.82rem;color:var(--muted);margin-bottom:1rem;flex-wrap:wrap}
.legend b{font-weight:700}
.verse{margin-bottom:1.1rem;padding-bottom:.7rem;border-bottom:1px solid #eef1f7}
.verse:last-child{border:none;margin-bottom:0}
.chars{display:flex;flex-wrap:wrap;justify-content:center;gap:.1rem}
.cc{flex:0 0 auto;width:auto;min-width:clamp(40px,11vw,56px);display:flex;flex-direction:column;align-items:center;padding:5px 7px;border-radius:12px;transition:background .15s}
@media(hover:hover){.cc:hover{background:#f4f7ff}}
.cc .zh{font-family:var(--zh-font);font-size:clamp(1.3rem,4.7vw,1.95rem);font-weight:400;font-synthesis:none;color:var(--ink);line-height:1.15;white-space:nowrap}
.cc .py{font-size:clamp(.62rem,1.9vw,.9rem);color:var(--red);font-weight:600;margin-top:5px;text-align:center;line-height:1.5;white-space:nowrap}
.cc .th{font-size:clamp(.92rem,2.9vw,1.5rem);color:var(--blue);font-weight:700;line-height:1.5;margin-top:11px;text-align:center;white-space:nowrap}
.vmean{text-align:center;font-size:.95rem;color:var(--green);font-weight:500;margin-top:.6rem;font-family:'Sarabun','cwTeXQKai'}
.vmean::before{content:"✦ ";font-weight:700}
.verse.solo .chars{justify-content:center}
.verse.solo .vlabel{font-family:'Kanit','cwTeXQKai';font-weight:600;color:var(--green);font-size:1rem}
.printmark{display:none}
@media(max-width:560px){.wrap{padding:1.4rem .6rem 4rem}.scroll{padding:1.2rem .7rem}.head .zh{font-size:1.55rem}.vr{gap:.3rem .7rem}.vr .zh{font-size:1.05rem}.vr .th{font-size:.95rem}.vmean{font-size:.85rem}}
@media print{@page{size:A4;margin:1.1cm}.printmark{display:block;text-align:center;margin-top:1.4rem;font-size:8pt;letter-spacing:.2em;color:#bbb;font-family:'Kanit','cwTeXQKai';font-weight:600}html,body{background:#fff;-webkit-print-color-adjust:exact;print-color-adjust:exact}.bar,.video,.foot,.note{display:none!important}.topbar{display:block!important;height:6px}.wrap{max-width:100%;padding:.3cm 0 0}.head .zh{font-size:20pt;-webkit-text-fill-color:#E23744!important;color:#E23744!important}.scroll{box-shadow:none;border:1px solid #e7ecf4;border-radius:12px;padding:.6rem .5rem}.vr,.verse{break-inside:avoid;page-break-inside:avoid;padding:.3rem 0}.vr .zh{font-size:13pt;color:#1c2436!important}.vr .th{font-size:11.5pt;color:#2f6bff!important}.vr .mean,.vmean{font-size:9pt;color:#6a7488!important}.cc .zh{font-size:15pt;color:#1c2436!important}.cc .py{font-size:7.5pt;color:#E23744!important}.cc .th{font-size:11pt;color:#2f6bff!important}}