/*
Theme Name: Thaicucquyen
Theme URI: https://thaicucquyen.net
Author: Bác sĩ Chúc
Description: Giao diện "Nội gia quyền" cho thư viện tri thức Thái cực quyền: giấy dó, mực tàu, son triện, chỉ vàng. Hỗ trợ từ điển thuật ngữ, trích dẫn kinh điển Hán Việt, llms.txt và robots cho bot AI.
Version: 1.0.3
Requires at least: 6.4
Tested up to: 7.1
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: thaicucquyen
*/

/* ============================================================
   THAICUCQUYEN.NET — bộ giao diện "Nội gia quyền"
   Ý tưởng: giấy dó + mực tàu + son triện + chỉ vàng.
   Chữ Hán làm điểm nhấn thư pháp, chữ Việt serif trang trọng.
   ============================================================ */

:root{
  --giay:#f3eee3;        /* giấy dó */
  --giay-dam:#e9e1d0;
  --muc:#17181c;         /* mực tàu */
  --muc-nhat:#3a3b40;
  --xam:#6b6a66;
  --son:#a9362a;         /* son triện */
  --son-dam:#7e261d;
  --vang:#b8923f;        /* chỉ vàng */
  --vang-nhat:#e1c98a;
  --ngoc:#3f6b5b;        /* ngọc bích */
  --ngoc-nhat:#cfe0d6;
  --serif:'Noto Serif','Noto Serif TC',Georgia,'Times New Roman',serif;
  --sans:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --han:'Ma Shan Zheng','Noto Serif TC',serif;
  --rong:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--giay);color:var(--muc);font-family:var(--sans);font-weight:300;line-height:1.75;font-size:17px;
  background-image:
    radial-gradient(1200px 600px at 10% -10%, rgba(0,0,0,.06), transparent 60%),
    radial-gradient(900px 500px at 110% 20%, rgba(169,54,42,.06), transparent 60%);
}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .12 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
body>*{position:relative;z-index:1}
a{color:var(--ngoc);text-decoration:none;border-bottom:1px solid transparent;transition:.2s}
a:hover{border-bottom-color:currentColor}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.25;margin:0 0 .5em;color:var(--muc)}
h1{font-size:clamp(2rem,4.6vw,3.6rem);letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.1em}
.han{font-family:var(--han);font-weight:400;color:var(--muc);letter-spacing:.04em}
.nho{font-size:.86rem;color:var(--xam)}
.chu-son{color:var(--son)}
.wrap{max-width:var(--rong);margin:0 auto;padding:0 24px}
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}.g5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}.g5{grid-template-columns:repeat(2,1fr)}}

/* ---- triện / dấu son ---- */
.trien{display:inline-grid;place-items:center;width:58px;height:58px;border:2px solid var(--son);color:var(--son);
  font-family:'Noto Serif TC',serif;font-weight:700;font-size:1.05rem;line-height:1.05;text-align:center;letter-spacing:.05em;
  background:rgba(169,54,42,.06);box-shadow:inset 0 0 0 3px var(--giay),inset 0 0 0 4px rgba(169,54,42,.6);transform:rotate(-3deg)}
.trien small{font-size:.55em;display:block;letter-spacing:.08em}

/* ---- thanh điều hướng ---- */
.top{position:sticky;top:0;z-index:50;background:rgba(243,238,227,.88);backdrop-filter:blur(8px);border-bottom:1px solid rgba(23,24,28,.12)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;color:var(--muc)}
.logo .han{font-size:1.9rem;line-height:1}
.logo b{font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.02em;display:block;line-height:1.1}
.logo small{display:block;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--xam);font-weight:500;margin-top:3px}
nav.menu{display:flex;gap:26px;font-weight:500;font-size:.92rem;letter-spacing:.02em}
nav.menu a{color:var(--muc-nhat);padding:6px 0;border-bottom:2px solid transparent}
nav.menu a:hover,nav.menu a.on{color:var(--son);border-bottom-color:var(--son)}
.btn{display:inline-block;padding:11px 22px;border:1.5px solid var(--muc);color:var(--muc);font-weight:500;font-size:.92rem;letter-spacing:.04em;border-radius:2px;transition:.2s}
.btn:hover{background:var(--muc);color:var(--giay);border-bottom-color:var(--muc)}
.btn.son{background:var(--son);border-color:var(--son);color:#fff}
.btn.son:hover{background:var(--son-dam);border-color:var(--son-dam)}
.menu-btn{display:none;background:none;border:1px solid var(--muc);padding:8px 12px;font:inherit;border-radius:2px;cursor:pointer}
nav.menu a{white-space:nowrap}
@media(max-width:1000px){nav.menu{display:none}.menu-btn{display:block}.top .btn{display:none}
  nav.menu.mo{display:flex;position:absolute;left:0;right:0;top:72px;background:var(--giay);flex-direction:column;padding:16px 24px;border-bottom:1px solid rgba(0,0,0,.12)}}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:84px 0 70px;border-bottom:1px solid rgba(23,24,28,.1)}
.hero .wrap{display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:center}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding:56px 0 40px}}
.hero .tieu-de-nho{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;letter-spacing:.24em;text-transform:uppercase;color:var(--son);font-weight:500;margin-bottom:18px}
.hero .tieu-de-nho:before{content:"";width:34px;height:1px;background:var(--son)}
.hero p.dan{font-size:1.15rem;max-width:560px;color:var(--muc-nhat)}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.thuphap{position:relative;display:grid;place-items:center;min-height:380px}
.thuphap .vong{width:330px;height:330px;border-radius:50%;border:14px solid var(--muc);border-right-color:transparent;transform:rotate(-30deg);filter:url(#brush);opacity:.92}
.thuphap .chu{position:absolute;inset:0;display:grid;place-items:center;writing-mode:vertical-rl;font-family:var(--han);font-size:5.2rem;line-height:1;color:var(--muc);letter-spacing:.1em}
.thuphap .dau{position:absolute;right:8%;bottom:10%}
@media(max-width:600px){.thuphap{min-height:300px}.thuphap .vong{width:250px;height:250px}.thuphap .chu{font-size:4rem}}
.am-duong{width:1em;height:1em;display:inline-block;vertical-align:-.15em;border-radius:50%;background:linear-gradient(90deg,var(--muc) 50%,var(--giay) 50%);position:relative;border:1px solid var(--muc)}
.am-duong:before,.am-duong:after{content:"";position:absolute;left:50%;width:50%;height:50%;border-radius:50%;transform:translateX(-50%)}
.am-duong:before{top:0;background:var(--muc)}.am-duong:after{bottom:0;background:var(--giay)}

/* ---- dải "tam tầng" ---- */
.tang{padding:70px 0}
.tang .the{background:rgba(255,255,255,.45);border:1px solid rgba(23,24,28,.12);padding:28px 26px;position:relative;border-radius:3px}
.tang .the:before{content:attr(data-han);position:absolute;right:16px;top:8px;font-family:var(--han);font-size:3.2rem;color:rgba(23,24,28,.08);line-height:1}
.tang .the h3{margin-top:4px}
.tang .the .so{font-family:var(--serif);color:var(--vang);font-size:.9rem;letter-spacing:.2em}
.bat-quai{display:flex;justify-content:center;gap:18px;color:rgba(23,24,28,.45);font-size:1.3rem;letter-spacing:.3em;margin:6px 0 26px}
.tieu-de{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.tieu-de .nhan{font-size:.78rem;letter-spacing:.26em;text-transform:uppercase;color:var(--vang);font-weight:500;margin-bottom:8px;display:block}
.tieu-de h2{margin:0}

/* ---- bài viết ---- */
.bai{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:22px 0;border-top:1px solid rgba(23,24,28,.14)}
.bai:last-child{border-bottom:1px solid rgba(23,24,28,.14)}
.bai .anh{aspect-ratio:1/1;background:var(--giay-dam);display:grid;place-items:center;font-family:var(--han);font-size:3rem;color:var(--muc);border:1px solid rgba(0,0,0,.1)}
.bai h3{font-size:1.18rem;margin-bottom:6px}
.bai h3 a{color:var(--muc)}
.bai h3 a:hover{color:var(--son);border-bottom-color:transparent}
.bai .meta{font-size:.8rem;letter-spacing:.06em;color:var(--xam);text-transform:uppercase;margin-bottom:6px}
.bai .meta b{color:var(--son);font-weight:500}
.bai p{font-size:.98rem;color:var(--muc-nhat);margin:0}
@media(max-width:600px){.bai{grid-template-columns:90px 1fr}.bai .anh{font-size:2rem}}

/* ---- kinh điển ---- */
.kinh-dien{background:var(--muc);color:#e9e3d6;padding:80px 0;position:relative;overflow:hidden}
.kinh-dien:before{content:"太極者，無極而生，動靜之機，陰陽之母也";position:absolute;right:-6px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;
  font-family:'Noto Serif TC',serif;font-size:2.6rem;color:rgba(255,255,255,.05);letter-spacing:.15em;white-space:nowrap;pointer-events:none}
.kinh-dien h2,.kinh-dien h3{color:#f3eee3}
.kinh-dien .tieu-de .nhan{color:var(--vang-nhat)}
.kinh-dien .the{border:1px solid rgba(255,255,255,.14);padding:22px;background:rgba(255,255,255,.03)}
.kinh-dien .the .han{display:block;font-size:1.5rem;color:var(--vang-nhat);margin-bottom:6px;font-family:'Noto Serif TC',serif;font-weight:500}
.kinh-dien .the p{color:#bfb7a8;font-size:.95rem;margin:0}
.kinh-dien .the b{color:#f3eee3;font-family:var(--serif);display:block;margin-bottom:4px}
.kinh-dien a{color:var(--vang-nhat)}
.trich{font-family:var(--serif);font-style:italic;font-size:1.35rem;line-height:1.5;max-width:760px;margin:0 auto 46px;text-align:center;color:#f3eee3}
.trich .han{display:block;font-style:normal;font-family:'Noto Serif TC',serif;font-size:1.6rem;color:var(--vang-nhat);margin-bottom:10px;letter-spacing:.08em}
.trich .nguon{display:block;font-style:normal;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--vang-nhat);margin-top:14px}

/* ---- dòng quyền ---- */
.dong{padding:70px 0;border-top:1px solid rgba(23,24,28,.1)}
.dong .the{text-align:center;padding:24px 14px;border:1px solid rgba(23,24,28,.14);background:rgba(255,255,255,.4)}
.dong .the .han{font-size:2.6rem;display:block;margin-bottom:6px}
.dong .the b{display:block;font-family:var(--serif);font-size:1.05rem}
.dong .the span{font-size:.85rem;color:var(--xam)}

/* ---- góc y khoa ---- */
.y-khoa{padding:70px 0;border-top:1px solid rgba(23,24,28,.1)}
.y-khoa .the{border-left:3px solid var(--ngoc);padding:6px 0 6px 20px}
.y-khoa .the b{font-family:var(--serif);display:block;font-size:1.05rem;margin-bottom:4px}
.y-khoa .the p{font-size:.95rem;color:var(--muc-nhat);margin:0}

/* ---- tác giả ---- */
.tac-gia{padding:70px 0;background:var(--giay-dam);border-top:1px solid rgba(23,24,28,.1)}
.tac-gia .wrap{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:center}
@media(max-width:760px){.tac-gia .wrap{grid-template-columns:1fr}}
.tac-gia .anh{aspect-ratio:4/5;background:linear-gradient(160deg,#d9d0bb,#bdb29a);border:1px solid rgba(0,0,0,.15);display:grid;place-items:center;color:var(--muc-nhat);font-family:var(--serif);text-align:center;padding:20px}
.tac-gia ul{padding-left:18px;margin:0 0 1em}

/* ---- đăng ký ---- */
.dang-ky{padding:70px 0;text-align:center}
.dang-ky form{display:flex;gap:10px;max-width:520px;margin:20px auto 0;flex-wrap:wrap;justify-content:center}
.dang-ky input{flex:1;min-width:220px;padding:12px 14px;border:1.5px solid var(--muc);background:#fff;font:inherit;border-radius:2px}

/* ---- chân trang ---- */
footer{background:var(--muc);color:#bfb7a8;padding:54px 0 30px;font-size:.92rem}
footer .grid{margin-bottom:34px}
footer h4{color:#f3eee3;font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:12px}
footer a{color:#ddd5c5}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:6px 0}
footer .cuoi{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem}
.khuyen-cao{font-size:.8rem;color:#9a9284;max-width:720px}

/* ---- trang bài viết ---- */
.doc{max-width:760px;margin:0 auto;padding:56px 24px 80px}
.doc .dau-bai{text-align:center;margin-bottom:40px}
.doc .dau-bai .meta{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--son);margin-bottom:14px}
.doc .dau-bai .tom-tat{font-family:var(--serif);font-size:1.15rem;color:var(--muc-nhat);font-style:italic;max-width:620px;margin:16px auto 0}
.doc h2{font-size:1.6rem;margin-top:2.2em;padding-top:.6em;border-top:1px solid rgba(23,24,28,.14)}
.doc h3{margin-top:1.6em}
.doc p{font-size:1.06rem;font-weight:300}
.doc blockquote{margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--son);background:rgba(255,255,255,.5);font-family:var(--serif)}
.doc blockquote .han{display:block;font-family:'Noto Serif TC',serif;font-size:1.25rem;color:var(--muc);margin-bottom:6px;font-weight:500}
.doc blockquote .hv{font-style:italic;color:var(--muc-nhat)}
.doc blockquote .nguon{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--xam);margin-top:8px;font-family:var(--sans)}
.doc .hop{border:1px solid var(--vang);background:rgba(184,146,63,.08);padding:16px 20px;margin:1.6em 0;border-radius:3px;font-size:.95rem}
.doc .hop b{color:var(--son)}
.doc .hop p{margin:0 0 .7em}.doc .hop p:last-child{margin-bottom:0}
.doc table{width:100%;border-collapse:collapse;font-size:.92rem;margin:1.4em 0}
.doc th{background:var(--muc);color:#f3eee3;text-align:left;padding:10px 12px;font-weight:500}
.doc td{padding:9px 12px;border-bottom:1px solid rgba(23,24,28,.14);vertical-align:top}
.doc tr:nth-child(even) td{background:rgba(255,255,255,.4)}
.muc-luc{border:1px solid rgba(23,24,28,.16);padding:16px 20px;background:rgba(255,255,255,.4);margin-bottom:34px;font-size:.92rem}
.muc-luc b{display:block;letter-spacing:.18em;text-transform:uppercase;font-size:.75rem;color:var(--vang);margin-bottom:8px}
.muc-luc ol{margin:0;padding-left:20px}
.doc .faq details{border-bottom:1px solid rgba(23,24,28,.14);padding:10px 0}
.doc .faq summary{cursor:pointer;font-family:var(--serif);font-weight:600;font-size:1.02rem}
.doc .faq p{font-size:.98rem;margin:.6em 0 0}
.tac-gia-hop{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;border-top:1px solid rgba(23,24,28,.14);padding-top:22px;margin-top:40px;font-size:.95rem}
.tac-gia-hop .avt{width:72px;height:72px;border-radius:50%;background:var(--giay-dam);border:1px solid rgba(0,0,0,.15);display:grid;place-items:center;font-family:var(--han);font-size:1.8rem}
.chip{display:inline-block;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--vang);color:var(--vang);padding:2px 8px;border-radius:2px;margin-right:6px}

/* ---- trang chuyên mục / thư viện ---- */
.dau-trang{padding:54px 0 30px;border-bottom:1px solid rgba(23,24,28,.1);text-align:center}
.dau-trang .han{font-size:3rem;display:block;margin-bottom:8px}
.dau-trang p{max-width:640px;margin:0 auto;color:var(--muc-nhat)}
.danh-sach{padding:30px 0 70px}
.loc{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:20px 0 30px}
.loc a{font-size:.82rem;letter-spacing:.08em;border:1px solid rgba(23,24,28,.25);padding:6px 14px;border-radius:20px;color:var(--muc-nhat)}
.loc a.on,.loc a:hover{background:var(--muc);color:var(--giay);border-color:var(--muc)}
.the-kinh{border:1px solid rgba(23,24,28,.14);background:rgba(255,255,255,.45);padding:24px;display:flex;flex-direction:column;gap:8px}
.the-kinh .han{font-family:'Noto Serif TC',serif;font-weight:700;font-size:1.4rem}
.the-kinh .tg{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--vang)}
.the-kinh p{font-size:.95rem;color:var(--muc-nhat);margin:0}
.the-kinh .trang-thai{margin-top:auto;font-size:.78rem;color:var(--xam)}

/* ---- bổ sung cho WordPress ---- */
.trich-kinh{margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--son);background:rgba(255,255,255,.5);font-family:var(--serif)}
.trich-kinh .han{display:block;font-family:'Noto Serif TC',serif;font-size:1.25rem;color:var(--muc);margin-bottom:6px;font-weight:500}
.trich-kinh .hv{font-style:italic;color:var(--muc-nhat)}
.trich-kinh .nguon{display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--xam);margin-top:8px;font-family:var(--sans)}
.doc img,.doc figure{max-width:100%;height:auto}
.doc figure{margin:1.6em 0}
.doc figcaption{font-size:.85rem;color:var(--xam);text-align:center;margin-top:6px}
.doc ul,.doc ol{padding-left:22px}
.doc li{margin:.3em 0}
.doc .wp-block-table table{margin:0}
.doc hr{border:0;border-top:1px solid rgba(23,24,28,.14);margin:2em 0}
.doc .wp-block-embed iframe{max-width:100%}
.doc .anh-dai-dien{margin:0 0 30px;border:1px solid rgba(0,0,0,.12)}
.doc .anh-dai-dien img{display:block;width:100%;height:auto}
.phan-trang{display:flex;justify-content:center;gap:8px;margin-top:30px;font-size:.9rem}
.phan-trang a,.phan-trang span{padding:6px 12px;border:1px solid rgba(23,24,28,.25);border-radius:2px;color:var(--muc-nhat)}
.phan-trang .current{background:var(--muc);color:var(--giay);border-color:var(--muc)}
.bai .anh img{width:100%;height:100%;object-fit:cover;display:block}
.thuat-ngu-luoi{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.thuat-ngu-luoi{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.thuat-ngu-luoi{grid-template-columns:1fr}}
.thuat-ngu{border:1px solid rgba(23,24,28,.14);background:rgba(255,255,255,.45);padding:18px 20px}
.thuat-ngu .han{font-family:'Noto Serif TC',serif;font-weight:700;font-size:1.5rem;display:block}
.thuat-ngu .hv{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--vang)}
.thuat-ngu h3{font-size:1.05rem;margin:4px 0 6px}
.thuat-ngu p{font-size:.92rem;color:var(--muc-nhat);margin:0}
.chu-cai{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:0 0 26px}
.chu-cai a{font-family:var(--serif);font-weight:600;padding:4px 9px;border:1px solid rgba(23,24,28,.2);border-radius:2px;color:var(--muc-nhat)}
.tim-kiem{display:flex;gap:8px;max-width:480px;margin:0 auto 26px}
.tim-kiem input{flex:1;padding:10px 12px;border:1.5px solid var(--muc);background:#fff;font:inherit;border-radius:2px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.trong{text-align:center;padding:60px 24px;color:var(--xam)}