/*
Theme Name: KiTuDacBiet
Theme URI: https://kitudacbiet.com
Author: kitudacbiet.com
Author URI: https://kitudacbiet.com
Description: Theme tạo tên kí tự đặc biệt - giao diện gọn nhẹ, không dùng Bootstrap/jQuery. Kết nối dữ liệu qua REST API của plugin Nicknames.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kitudacbiet
*/

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root{
  --bg:#F3F4FB;
  --surface:#FFFFFF;
  --surface-2:#F6F7FC;
  --text:#181A2E;
  --text-muted:#6B7090;
  --border:#ECEDF6;
  --primary:#4F6BF7;
  --primary-strong:#3B5BFE;
  --primary-soft:#EEF1FE;
  --purple:#7C3AED;
  --grad:linear-gradient(135deg,#5B6CF9,#7C3AED);
  --grad-120:linear-gradient(120deg,#5B6CF9,#7C3AED);
  --container:1180px;
  --container-blog:1080px;
  --container-read:720px;
}
[data-theme="dark"]{
  --bg:#0D0E18;
  --surface:#15172A;
  --surface-2:#1B1D33;
  --text:#EEF0FB;
  --text-muted:#9AA0C0;
  --border:#272A45;
  --primary:#8095FF;
  --primary-strong:#8095FF;
  --primary-soft:#1E2547;
  --purple:#A78BFA;
}

/* ==========================================================================
   2. RESET / BASE
   ========================================================================== */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}

.site{min-height:100vh;background:var(--bg);color:var(--text)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.container-blog{max-width:var(--container-blog);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ==========================================================================
   3. KEYFRAMES
   ========================================================================== */
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes floatY2{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* ==========================================================================
   4. LOGO
   ========================================================================== */
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:34px;height:34px;border-radius:9px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;flex:none}
.brand__name{font-weight:800;font-size:18px;letter-spacing:.4px;color:var(--text)}
.brand__name span{color:var(--primary)}
.brand--sm .brand__mark{width:32px;height:32px}
.brand--sm .brand__name{font-size:17px}
.brand--xs .brand__mark{width:30px;height:30px;border-radius:8px}
.brand--xs .brand__name{font-size:15px}

/* ==========================================================================
   5. HEADER / NAV
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header__inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.main-nav{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:500}
.main-nav a{color:var(--text-muted);transition:color .15s}
.main-nav a:hover{color:var(--text)}
.main-nav a.is-active,.main-nav .current-menu-item>a,.main-nav .current_page_item>a{
  color:var(--primary);font-weight:700;padding-bottom:4px;border-bottom:2px solid var(--primary)
}
.header-actions{display:flex;align-items:center;gap:14px}
.icon-btn{width:40px;height:40px;border-radius:11px;border:1px solid var(--border);background:var(--surface);color:var(--text);display:flex;align-items:center;justify-content:center;transition:all .15s}
.icon-btn:hover{border-color:var(--primary);color:var(--primary)}
.btn-login{padding:10px 20px;border:none;border-radius:11px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;box-shadow:0 6px 16px rgba(91,108,249,.3)}
.btn-login:hover{filter:brightness(1.05)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--border);background:var(--surface);color:var(--text);align-items:center;justify-content:center}

/* blog header variant */
.site-header--blog{position:static;background:var(--surface);backdrop-filter:none}
.site-header--blog .site-header__inner{max-width:var(--container-blog);height:64px}
.site-header--blog .main-nav{gap:28px}

/* dark toggle icon visibility */
.theme-toggle .icon-sun{display:none}
.theme-toggle .icon-moon{display:block}
[data-theme="dark"] .theme-toggle .icon-sun{display:block}
[data-theme="dark"] .theme-toggle .icon-moon{display:none}

/* ==========================================================================
   6. BUTTONS / CHIPS / PILLS
   ========================================================================== */
.btn-grad{border:none;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;font-size:16px;padding:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 12px 26px rgba(91,108,249,.34)}
.btn-grad:hover{filter:brightness(1.06)}
.chip{display:inline-flex;align-items:center;padding:9px 16px;border-radius:10px;font-size:14px;font-weight:600;white-space:nowrap;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);transition:all .15s}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.is-active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font-weight:600;font-size:14px;transition:all .15s}
.pill:hover{border-color:var(--primary);color:var(--primary)}

/* ==========================================================================
   7. HOMEPAGE
   ========================================================================== */
.section{max-width:var(--container);margin:48px auto 0;padding:0 24px}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.section__title{font-size:22px;font-weight:800}
.section__sub{font-size:14px;color:var(--text-muted)}
.section__link{color:var(--primary);font-weight:600;font-size:14px}

/* hero heading */
.gen-intro{max-width:720px;margin:0 auto;padding:26px 24px 0;text-align:center}
.gen-intro h1{font-size:28px;line-height:1.25;font-weight:800;letter-spacing:-.4px}
.gen-intro h1 span{color:var(--purple)}

/* generator panel */
#tao-ten{max-width:var(--container);margin:18px auto 0;padding:0 24px;scroll-margin-top:90px}
.gen-panel{background:var(--surface);border:1px solid var(--border);border-radius:24px;box-shadow:0 30px 70px rgba(60,50,120,.10);padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:36px}
.step-badge{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.step-badge__num{width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.step-badge__label{font-weight:700;font-size:16px}
.step-badge .muted{font-weight:400;font-size:13px;color:var(--text-muted);margin-left:4px}
.gen-input-wrap{position:relative}
.gen-input{width:100%;padding:15px 46px 15px 16px;border:1px solid var(--border);border-radius:12px;font-size:16px;background:var(--surface-2);color:var(--text);outline:none;transition:border-color .15s}
.gen-input:focus{border-color:var(--primary)}
.gen-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;border:none;background:var(--border);color:var(--text-muted);display:flex;align-items:center;justify-content:center}
.chip-row{display:flex;flex-wrap:wrap;gap:9px}
.gen-generate{margin-top:24px;width:100%}
.gen-results{display:flex;flex-direction:column;gap:11px}
.gen-result{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:13px 16px;cursor:pointer;transition:border-color .15s}
.gen-result:hover{border-color:var(--primary)}
.gen-result__text{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gen-result__icon{color:var(--text-muted);flex:none}
.gen-cta{grid-column:1 / -1;background:var(--primary-soft);color:var(--primary);font-weight:600;font-size:15px;padding:15px;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:8px}
.gen-cta:hover{filter:brightness(.98)}

/* trending cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.trend-card{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px}
.trend-card__rank{color:var(--text-muted);min-width:14px}
.trend-card__name{font-weight:700;font-size:15px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.trend-card__count{color:var(--text-muted);font-size:13px;white-space:nowrap}
.badge{font-size:12px;font-weight:700;padding:3px 8px;border-radius:7px;white-space:nowrap;display:inline-flex;align-items:center;gap:3px}
.badge--up{background:#DCFCE7;color:#16A34A}
.badge--hot{background:#F43F5E;color:#fff}
.badge--down{background:#FEE2E2;color:#EF4444}

/* suggestions */
.sg-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px 12px 16px;text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:18px;transition:all .15s}
.sg-card:hover{border-color:var(--primary);transform:translateY(-3px)}
.sg-card__sample{font-size:17px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.sg-card__tag{font-size:11px;font-family:monospace;color:var(--text-muted)}

/* topweek rows */
.tw-row{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 20px;cursor:pointer;transition:border-color .15s}
.tw-row:hover{border-color:var(--primary)}
.tw-row__rank{color:var(--text-muted);min-width:14px}
.tw-row__name{flex:1;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tw-row__tag{font-size:11px;font-family:monospace;text-transform:uppercase;color:var(--text-muted)}
.tw-row__count{font-size:15px;font-weight:700}

/* stats bar */
.stats-bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 30px;margin-top:18px}
.stat{text-align:center;flex:1;min-width:90px}
.stat__num{font-size:28px;font-weight:800;line-height:1}
.stat__label{font-size:13px;color:var(--text-muted);margin-top:6px}
.stat--live{display:flex;align-items:center;gap:8px;justify-content:center}
.dot{width:9px;height:9px;border-radius:50%;background:#22C55E;flex:none}

/* item library */
.item-lib{max-width:var(--container);margin:50px auto 0;padding:0 24px;scroll-margin-top:90px}
.item-lib__card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:26px 28px}
.item-grid{display:grid;grid-template-columns:repeat(16,1fr);gap:8px}
.item-tile{aspect-ratio:1;border:1px solid var(--border);border-radius:11px;background:var(--surface-2);color:var(--text);font-size:19px;display:flex;align-items:center;justify-content:center;transition:all .15s}
.item-tile:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* why-choose */
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:24px}
.feature-card__icon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feature-card__title{font-weight:700;font-size:16px;margin-bottom:6px}
.feature-card__text{font-size:13.5px;line-height:1.55;color:var(--text-muted)}
.center-title{text-align:center;font-size:26px;font-weight:800;margin-bottom:28px}
.center-title span{color:var(--purple)}

/* CTA banner */
.cta-banner{position:relative;overflow:hidden;background:var(--grad-120);border-radius:24px;padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.cta-banner h2{font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.cta-banner p{color:rgba(255,255,255,.85);font-size:16px;margin:14px 0 22px}
.cta-banner__btn{display:inline-flex;align-items:center;gap:6px;background:#fff;color:#5B53D6;font-weight:700;font-size:15px;padding:14px 26px;border-radius:12px;box-shadow:0 12px 26px rgba(0,0,0,.18)}
.cta-pills{display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.cta-pill{display:inline-flex;align-items:center;gap:8px;background:rgba(15,12,40,.55);backdrop-filter:blur(4px);color:#fff;font-weight:600;font-size:15px;padding:12px 18px;border-radius:12px}
.cta-pill:nth-child(1){animation:floatY 6s ease-in-out infinite}
.cta-pill:nth-child(2){margin-right:30px;animation:floatY2 7s ease-in-out infinite}
.cta-pill:nth-child(3){animation:floatY 5.5s ease-in-out infinite}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */
.site-footer{margin-top:56px;background:var(--surface);border-top:1px solid var(--border)}
.site-footer__grid{max-width:var(--container);margin:0 auto;padding:44px 24px 24px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-desc{font-size:13.5px;line-height:1.6;color:var(--text-muted);max-width:300px;margin:14px 0}
.foot-social{display:flex;gap:10px}
.foot-social a{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.foot-col h4{font-weight:700;font-size:15px;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:var(--text-muted)}
.foot-col a:hover{color:var(--primary)}
.site-footer__bottom{border-top:1px solid var(--border);text-align:center;padding:18px;font-size:13px;color:var(--text-muted)}

/* slim blog footer */
.site-footer--blog{margin-top:0}
.site-footer--blog .site-footer__row{max-width:var(--container-blog);margin:0 auto;padding:28px 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.site-footer--blog .copyright{font-size:13px;color:var(--text-muted)}

/* ==========================================================================
   9. FLOATING UI: scroll-top + toast
   ========================================================================== */
.scroll-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:none;background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,108,249,.45);z-index:120;display:none;align-items:center;justify-content:center}
.scroll-top.is-visible{display:flex}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:#181A2E;color:#fff;padding:12px 22px;border-radius:12px;font-size:14px;font-weight:600;z-index:200;box-shadow:0 14px 34px rgba(0,0,0,.28);animation:toastIn .2s ease;max-width:80vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:none}
.toast.is-visible{display:block}

/* ==========================================================================
   10. BLOG ARCHIVE
   ========================================================================== */
.blog-main{max-width:var(--container-blog);margin:0 auto;padding:40px 24px 52px}
.masthead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:2px solid var(--text);padding-bottom:18px}
.masthead__kicker{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--primary)}
.masthead__title{font-family:'Fraunces',Georgia,serif;font-size:46px;line-height:1;font-weight:600;letter-spacing:-1px;margin-top:8px}
.cat-pills{display:flex;flex-wrap:wrap;gap:7px}
.cat-pill{padding:7px 14px;border-radius:999px;border:1px solid var(--border);color:var(--text-muted);font-size:13px;font-weight:600;transition:all .15s}
.cat-pill:hover{border-color:var(--primary);color:var(--primary)}
.cat-pill.is-active{background:var(--text);color:#fff;border-color:var(--text)}

.featured-post{display:grid;grid-template-columns:1.15fr 1fr;margin-top:32px;border-radius:18px;overflow:hidden;border:1px solid var(--border);background:var(--surface);transition:border-color .15s}
.featured-post:hover{border-color:var(--primary)}
.featured-post__media{min-height:340px;background-size:cover;background-position:center;background-repeat:no-repeat}
.ph-stripe-1{background:repeating-linear-gradient(135deg,#E4E7F3,#E4E7F3 13px,#DBDEEC 13px,#DBDEEC 26px);display:flex;align-items:center;justify-content:center;font-family:monospace;color:#8990ad;font-size:13px}
.ph-stripe-2{background:repeating-linear-gradient(135deg,#E7E9F4,#E7E9F4 10px,#DFE1EE 10px,#DFE1EE 20px)}
.ph-stripe-3{background:repeating-linear-gradient(135deg,#E7E9F4,#E7E9F4 12px,#DFE1EE 12px,#DFE1EE 24px);display:flex;align-items:center;justify-content:center;font-family:monospace;color:#8990ad;font-size:13px}
.featured-post__body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center}
.kicker-dot{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;text-transform:uppercase;color:var(--primary);margin-bottom:12px}
.kicker-dot .d{width:7px;height:7px;border-radius:50%;background:var(--primary)}
.featured-post__title{font-family:'Fraunces',Georgia,serif;font-size:32px;line-height:1.15;font-weight:600;letter-spacing:-.5px;margin-bottom:12px}
.featured-post__excerpt{font-size:15.5px;line-height:1.6;color:var(--text-muted);margin-bottom:18px}
.post-meta{font-size:13.5px;color:var(--text-muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.post-meta strong{color:var(--text);font-weight:700}
.post-meta .read-more{margin-left:auto;font-weight:700;color:var(--primary)}

.list-label{font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);margin:40px 0 6px}
.index-row{display:grid;grid-template-columns:88px 1fr 150px;align-items:center;gap:24px;padding:24px 12px;border-top:1px solid var(--border);border-radius:12px;transition:background .15s}
.index-row:hover{background:var(--surface)}
.index-row:last-child{border-bottom:1px solid var(--border)}
.index-row__num{font-family:'Fraunces',Georgia,serif;font-size:46px;font-weight:500;color:var(--border);text-align:center}
.index-row__cat{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--primary)}
.index-row__title{font-size:20px;line-height:1.3;font-weight:700;margin:4px 0}
.index-row__excerpt{font-size:14px;line-height:1.55;color:var(--text-muted)}
.index-row__thumb{aspect-ratio:16/11;border-radius:10px;background-size:cover;background-position:center}
.load-more-wrap{display:flex;justify-content:center;margin-top:34px}

/* ==========================================================================
   11. SINGLE POST
   ========================================================================== */
.article{max-width:var(--container-read);margin:0 auto;padding:28px 24px 48px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary);font-weight:600}
.article__title{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.4px}
.article__dek{font-size:18px;line-height:1.55;font-weight:600;margin-top:14px}
.byline{display:flex;align-items:center;gap:10px;margin:18px 0;padding:14px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:13.5px;color:var(--text-muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.byline strong{color:var(--text);font-weight:700}
.article__figure{margin:0}
.article__figure .ph-stripe-3{aspect-ratio:16/9;border-radius:11px}
.article__figure img{aspect-ratio:16/9;object-fit:cover;border-radius:11px;width:100%}
.article__figure figcaption{margin-top:8px;font-size:13px;color:var(--text-muted);font-style:italic}
.article__body{font-size:17px;line-height:1.75;color:#2A2D45;margin-top:20px}
[data-theme="dark"] .article__body{color:#C9CCE6}
.article__body p{margin:18px 0 0}
.article__body h2{margin:30px 0 0;font-size:21px;font-weight:800;line-height:1.3;color:var(--text)}
.article__body h3{margin:26px 0 0;font-size:18px;font-weight:700;color:var(--text)}
.article__body img{border-radius:11px;margin:20px 0 0}
.article__body ul,.article__body ol{margin:18px 0 0;padding-left:22px}
.article__body li{margin:8px 0 0}
.article__body a{color:var(--primary);text-decoration:underline}
.article__body blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--primary);background:var(--surface-2);border-radius:0 12px 12px 0;font-size:18px;line-height:1.55;font-weight:600;color:var(--text)}
.article__footer{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:28px;padding-top:22px;border-top:1px solid var(--border)}
.tag-pill{font-size:13px;font-weight:600;color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);padding:7px 13px;border-radius:999px;transition:all .15s}
.tag-pill:hover{border-color:var(--primary);color:var(--primary)}
.back-link{margin-left:auto;font-size:14px;font-weight:600;color:var(--primary)}

/* generic page */
.page-wrap{max-width:var(--container-read);margin:0 auto;padding:40px 24px 52px}
.page-wrap h1.article__title{margin-bottom:20px}

/* ==========================================================================
   12. 404
   ========================================================================== */
.error-404{max-width:var(--container-read);margin:0 auto;padding:80px 24px;text-align:center}
.error-404__code{font-size:96px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.error-404__title{font-size:26px;font-weight:800;margin:16px 0 10px}
.error-404__text{font-size:15px;color:var(--text-muted);margin-bottom:26px}
.error-404 .search-box{max-width:420px;margin:0 auto 22px}

/* search box (404 + nickname pages) */
.search-box{display:flex;gap:10px}
.search-box input{flex:1;padding:14px 16px;border:1px solid var(--border);border-radius:12px;font-size:15px;background:var(--surface-2);color:var(--text);outline:none}
.search-box input:focus{border-color:var(--primary)}

/* ==========================================================================
   13b. IN-PAGE DYNAMIC NICKNAME CONTENT (/#slug)
   ========================================================================== */
.nick-dyn{scroll-margin-top:84px}
.nick-rate{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:14px;color:var(--text-muted)}
.nick-rate .chip{cursor:pointer}
.nick-rate b{margin-left:4px}
.nick-ugc input{flex:1}
.nick-item .tw-row__count{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text-muted);white-space:nowrap}
.nick-item .nick-vote{padding:6px 10px;font-size:13px}
.nick-top{font-size:15px}

/* table of contents (in article body) */
.toc{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin:22px 0}
.toc strong{display:block;font-size:14px;margin-bottom:8px}
.toc ul{display:flex;flex-direction:column;gap:7px;padding-left:0}
.toc li{list-style:none}
.toc a{color:var(--primary);font-weight:600;font-size:14.5px;text-decoration:none}
.toc a:hover{text-decoration:underline}
.article__body .item-grid{margin:18px 0 0;grid-template-columns:repeat(12,1fr)}
.article__body .item-tile{font-size:20px}
@media (max-width:680px){.article__body .item-grid{grid-template-columns:repeat(7,1fr)}}

/* spinner */
.spinner{width:26px;height:26px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:20px auto}

/* pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.pagination a,.pagination span{padding:9px 15px;border-radius:10px;border:1px solid var(--border);background:var(--surface);font-weight:600;font-size:14px}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ==========================================================================
   13. RESPONSIVE
   ========================================================================== */
@media (max-width:980px){
  .gen-panel{grid-template-columns:1fr;gap:24px}
  .cta-banner{grid-template-columns:1fr}
  .cta-pills{align-items:flex-start;margin-top:8px}
  .cta-pill:nth-child(2){margin-right:0}
  .featured-post{grid-template-columns:1fr}
  .featured-post__media{min-height:200px}
  .site-footer__grid{grid-template-columns:1fr 1fr}
  .grid-6{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .item-grid{grid-template-columns:repeat(10,1fr)}
}
@media (max-width:680px){
  .site-header__inner,.site-header--blog .site-header__inner{height:60px;gap:12px}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--surface);border-bottom:1px solid var(--border);padding:8px 24px}
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 0;width:100%;border-bottom:none}
  .main-nav a.is-active{border-bottom:none}
  .nav-toggle{display:flex}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .item-grid{grid-template-columns:repeat(7,1fr)}
  .index-row{grid-template-columns:60px 1fr;gap:14px}
  .index-row__thumb{display:none}
  .masthead__title{font-size:34px}
  .cta-banner{padding:30px}
  .cta-banner h2{font-size:24px}
  .gen-intro h1{font-size:23px}
  .stat__num{font-size:22px}
  .article__title,.featured-post__title{font-size:26px}
}