:root{--blue:#08317f;--deep:#06245f;--gold:#f2b705;--gold2:#e7b629;--soft:#f4f7fb;--line:#d7e0ee;--ink:#111827;--muted:#59657a;--max:1860px;--shadow:0 18px 42px rgba(7,35,86,.1)}*{box-sizing:border-box}body{margin:0;font-family:'Noto Sans Thai',Tahoma,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.utility{background:var(--deep);color:#fff;font-size:.88rem}.utility div,.header,.section,.footer-grid,.quick{max-width:var(--max);margin:auto}.utility div{display:flex;justify-content:space-between;gap:16px;padding:7px 44px}.header{display:flex;align-items:center;gap:18px;padding:16px 44px;background:#fff}.brand{display:flex;align-items:center;gap:12px;color:var(--blue);font-weight:900}.brand img{width:54px}.brand small{display:block;color:var(--muted)}.nav{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto;font-weight:800;font-size:.9rem}.nav a:hover{color:var(--blue)}.menu-toggle{display:none;appearance:none;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:8px;width:44px;height:40px;align-items:center;justify-content:center;margin-left:auto;cursor:pointer;position:relative}.menu-toggle span{display:block;position:absolute;left:11px;width:21px;height:2px;background:currentColor;border-radius:999px;transition:transform .18s ease,opacity .18s ease,top .18s ease}.menu-toggle span:nth-child(1){top:12px}.menu-toggle span:nth-child(2){top:19px}.menu-toggle span:nth-child(3){top:26px}.menu-toggle[aria-expanded="true"] span:nth-child(1){top:19px;transform:rotate(45deg)}.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded="true"] span:nth-child(3){top:19px;transform:rotate(-45deg)}.hero{background:linear-gradient(120deg,rgba(6,36,95,.94),rgba(8,49,127,.74)),url('/assets/hero-registrar-interior.png') center/cover no-repeat;color:#fff;padding:72px 44px}.hero>div{max-width:var(--max);margin:auto}.hero h1{font-size:clamp(2rem,3.1vw,2.9rem);line-height:1.08;margin:0 0 14px}.hero h1 span{display:block;color:var(--gold);font-size:clamp(1rem,2vw,1.4rem);margin-top:10px}.hero p{max-width:780px;font-size:1.15rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:8px;border:1px solid var(--line);font-weight:900;margin:4px}.btn-primary{background:var(--gold);color:#111;border-color:var(--gold)}.btn-secondary{background:#fff;color:var(--blue)}.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;padding:24px 44px}.card,.news-card,.guide,.side,.content-item,.form-row,.event,.service,.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;box-shadow:0 10px 28px rgba(7,35,86,.06)}.card strong,.news-card h3,.event strong,.service strong{color:var(--blue);display:block}.section{padding:46px 44px}.band{background:var(--soft)}.heading h2{margin:0;color:var(--blue);font-size:2rem}.heading p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.news-card span,.form-row span,.event time{color:#b98200;font-weight:900}.news-card p,.card span,.event span,.service span,.faq p,.content-item p{color:var(--muted)}.two{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px}.content-list{display:grid;gap:12px}.form-row{display:grid;gap:6px}.form-row strong,.event strong,.service strong{line-height:1.35}.form-row p,.event span,.service span{margin:2px 0 0;color:var(--muted)}

.portal{background:linear-gradient(#fff,#f7f9fc)}.portal-header{box-shadow:0 1px 0 var(--line);position:relative;z-index:5}.portal-hero{display:grid;grid-template-columns:minmax(680px,.98fr) minmax(520px,1.02fr);align-items:stretch;min-height:340px;border-top:4px solid var(--gold);overflow:hidden;background:#fff}.portal-hero-copy{padding:44px 42px 34px max(44px,calc((100vw - var(--max))/2));display:flex;flex-direction:column;justify-content:center}.portal-hero-copy h1{margin:0;color:var(--deep);font-size:clamp(2.1rem,2.1vw,2.75rem);line-height:1.22;font-weight:950;letter-spacing:0}.portal-hero-copy p{max-width:780px;margin:18px 0 24px;color:#4b5563;font-size:1.08rem;font-weight:700}.portal-actions{display:flex;gap:28px;flex-wrap:wrap}.portal-btn{min-width:150px;display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:6px;font-weight:900;border:2px solid #d7e0ee;box-shadow:0 8px 18px rgba(7,35,86,.08)}.portal-btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.portal-btn.gold{background:var(--gold2);border-color:var(--gold2);color:#172033}.portal-btn.outline{background:#fff;color:var(--blue);border-color:#284783}.portal-hero-media{background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.76) 16%,rgba(255,255,255,0) 36%),url('/assets/hero-registrar-interior.png') center/cover no-repeat;min-height:340px}.ticker{max-width:calc(var(--max) + 60px);margin:-1px auto 12px;display:grid;grid-template-columns:180px 110px minmax(0,1fr) 150px;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:0 14px;box-shadow:var(--shadow);overflow:hidden}.ticker-label{background:var(--blue);color:#fff;font-weight:900;padding:13px 18px;clip-path:polygon(0 0,92% 0,100% 50%,92% 100%,0 100%)}.ticker time{background:#173b88;color:#fff;font-weight:900;text-align:center;padding:6px 10px;border-radius:2px}.ticker a{font-weight:800;color:#334155}.ticker-all{justify-self:end;color:var(--blue)!important}.portal-grid{max-width:calc(var(--max) + 60px);margin:0 auto 12px;padding:0 14px;display:grid;gap:12px}.portal-grid.top{grid-template-columns:minmax(410px,.78fr) minmax(650px,1.32fr) minmax(230px,.32fr)}.portal-grid.lower{grid-template-columns:1fr .86fr .78fr 330px}.panel,.contact-card{background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:0 10px 28px rgba(7,35,86,.06);padding:16px 18px}.panel-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:12px;padding-bottom:8px}.panel-head h2,.contact-card h2{margin:0;color:var(--deep);font-size:1.25rem;line-height:1.2}.panel-head h2:before,.contact-card h2:before{content:"";display:inline-block;width:4px;height:18px;background:var(--gold);margin-right:8px;vertical-align:-3px}.panel-head a{color:#3159a6;font-weight:900}.service-icons{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.service-icons a{min-height:110px;border:1px solid var(--line);border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--deep);font-weight:900;padding:10px}.service-icons span{font-size:2.05rem;line-height:1;margin-bottom:10px}.line-list,.compact-list,.news-list,.forms-list,.guide-list{display:grid;gap:0}.line-list a,.compact-list a,.news-list a,.forms-list a,.guide-list a{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 0;border-bottom:1px dashed #dce4f2;color:#1f2a44}.line-list a:last-child,.compact-list a:last-child,.news-list a:last-child,.forms-list a:last-child,.guide-list a:last-child{border-bottom:0}.line-list time,.news-list time,.forms-list span{color:#3159a6;font-weight:900}.compact-list a,.guide-list a{grid-template-columns:22px 1fr}.compact-list a:before,.guide-list a:before{content:"▣";color:#3159a6}.forms-list a{grid-template-columns:80px 1fr 42px}.forms-list strong{font-weight:800}.forms-list em{font-style:normal;color:#b42318;border:1px solid #f0c6c6;border-radius:4px;padding:1px 6px;font-size:.78rem}.contact-card{background:linear-gradient(145deg,#0b3183,#06245f);color:#fff}.contact-card p,.contact-card a{display:block;color:#e5efff;margin:10px 0;font-weight:700}.contact-icons{display:flex;gap:12px;margin-top:18px}.contact-icons a,.contact-icons span{width:38px;height:38px;border:2px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:.76rem;color:#fff;margin:0}.social-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.social-links a{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:7px;border:1px solid var(--line);font-weight:900;color:var(--blue);background:#fff}

.footer{background:var(--deep);color:#fff;margin-top:40px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:20px;padding:34px 18px}.footer a{display:block;color:#dbeafe;margin:6px 0}.footer h2{font-size:.92rem;line-height:1.35}.footer-grid section:first-child{min-width:0}.footer-bottom{border-top:1px solid rgba(255,255,255,.18);padding:14px 18px;text-align:center;color:#dbeafe}.admin-box input,.admin-box textarea,.admin-box select{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;margin:4px 0 10px}.admin-tabs button{padding:10px 14px;border:1px solid var(--line);background:#fff;border-radius:8px;font-weight:800}.admin-tabs .is-active{background:var(--blue);color:#fff}

@media(min-width:801px){.hero h1,.footer h2{white-space:nowrap}}@media(max-width:1300px){.portal-hero{grid-template-columns:minmax(520px,.95fr) minmax(420px,1.05fr)}.portal-hero-copy h1{font-size:clamp(2.15rem,3vw,3rem)}}@media(max-width:1100px){.portal-grid.top,.portal-grid.lower{grid-template-columns:1fr 1fr}.services{grid-column:1/-1}.contact-card{grid-column:1/-1}.service-icons{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.utility div{flex-direction:column;gap:2px;padding:7px 18px}.header{display:grid;grid-template-columns:minmax(0,1fr) 44px;align-items:center;gap:12px;padding:12px 18px;position:relative}.brand{min-width:0}.brand img{width:46px}.brand span{line-height:1.25}.menu-toggle{display:inline-flex}.nav{grid-column:1/-1;width:100%;margin:0;display:none;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 16px 34px rgba(7,35,86,.12);overflow:hidden}.header.is-menu-open .nav{display:flex}.nav a{display:block;padding:12px 14px;border-bottom:1px solid var(--line);font-size:1rem}.nav a:last-child{border-bottom:0}.two,.footer-grid{grid-template-columns:1fr}.hero{padding:48px 18px}.section{padding:30px 18px}.quick{padding:24px 18px}.heading h2{font-size:1.55rem}.content-list{gap:10px}.form-row,.event,.service,.content-item{padding:18px}.form-row strong,.event strong{font-size:1.02rem}.form-row p,.event span{font-size:.96rem;line-height:1.55}.portal-hero{grid-template-columns:1fr}.portal-hero-copy{padding:34px 22px}.portal-hero-copy h1{font-size:clamp(2rem,9vw,2.9rem)}.portal-hero-media{min-height:210px}.ticker{grid-template-columns:1fr;margin:0 14px 12px;padding:12px}.ticker-label{clip-path:none;border-radius:4px}.ticker-all{justify-self:start}.portal-grid.top,.portal-grid.lower{grid-template-columns:1fr}.service-icons{grid-template-columns:repeat(2,1fr)}.line-list a,.news-list a,.forms-list a{grid-template-columns:1fr}.forms-list em{justify-self:start}.panel-head{align-items:flex-start;gap:10px}.portal-actions{gap:10px}.portal-btn{min-width:0;flex:1 1 140px}}@media(max-width:430px){.service-icons{grid-template-columns:1fr}.service-icons a{min-height:96px}.portal-hero-copy p{font-size:1rem}.panel,.contact-card{padding:14px}}

/* Homepage refresh 20260618 */
.utility div{align-items:center}.utility-social{display:flex;gap:12px;margin-left:auto}.utility-social a{color:#fff;font-weight:800;text-decoration:underline;text-underline-offset:3px}.portal-header{border-bottom:1px solid rgba(8,49,127,.12);box-shadow:0 10px 26px rgba(7,35,86,.05)}.portal-hero{grid-template-columns:minmax(560px,.9fr) minmax(600px,1.1fr);min-height:430px;background:linear-gradient(135deg,#06245f,#0b3d91);border-top:0}.portal-hero-copy{position:relative;z-index:2;padding:58px 54px 54px max(54px,calc((100vw - var(--max))/2));color:#fff}.portal-hero-copy:before{content:"";position:absolute;left:max(44px,calc((100vw - var(--max))/2));top:42px;width:56px;height:5px;background:var(--gold);border-radius:999px}.portal-hero-copy h1{color:#fff;font-size:clamp(2.45rem,2.6vw,3.15rem);line-height:1.18;max-width:760px;text-shadow:0 12px 28px rgba(0,0,0,.18)}.portal-hero-copy p{color:#eaf1ff;max-width:720px;font-size:1.12rem}.portal-actions{gap:14px}.portal-btn{min-width:170px;border-radius:7px;box-shadow:0 14px 28px rgba(0,0,0,.16)}.portal-btn.primary{background:#fff;color:var(--deep);border-color:#fff}.portal-btn.gold{background:var(--gold);border-color:var(--gold);color:#172033}.portal-btn.outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}.portal-hero-media{min-height:430px;background:linear-gradient(90deg,#0b3d91 0%,rgba(11,61,145,.4) 16%,rgba(11,61,145,0) 34%),url("/assets/hero-registrar-interior.png") center/cover no-repeat;clip-path:polygon(8% 0,100% 0,100% 100%,0 100%)}.ticker{margin:0 auto 16px;transform:translateY(-16px);border:0;box-shadow:0 18px 44px rgba(7,35,86,.16)}.portal-grid.top{margin-top:-4px}.panel{border-color:#dbe5f4}.panel-head h2{font-size:1.32rem}.services{background:linear-gradient(180deg,#fff,#f9fbff)}.service-icons{gap:8px}.service-icons a{position:relative;min-height:110px;background:#fff;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.service-icons a:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(7,35,86,.13);border-color:#b7c8e5}.service-icons span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#eef4ff;color:var(--blue);font-size:.9rem;font-weight:950;margin-bottom:10px}.line-list a{grid-template-columns:134px minmax(0,1fr);padding:10px 0}.calendar-panel{background:linear-gradient(180deg,#fff,#fbfdff)}.calendar-panel .line-list time{font-size:1.02rem}.eservice-panel .compact-list a{padding:10px 0}.lower .panel,.portal-grid.lower .panel{min-height:220px}.contact-card{box-shadow:0 18px 40px rgba(6,36,95,.18)}@media(max-width:1100px){.portal-hero{grid-template-columns:1fr}.portal-hero-media{clip-path:none;min-height:260px}.utility-social{margin-left:0}.portal-grid.top{margin-top:0}.service-icons a{min-height:118px}}@media(max-width:800px){.utility div{align-items:flex-start}.utility-social{flex-wrap:wrap}.portal-hero-copy{padding:42px 22px}.portal-hero-copy:before{left:22px;top:28px}.portal-hero-copy h1{font-size:clamp(2rem,8vw,2.75rem)}.portal-hero-media{min-height:210px}.ticker{transform:none;margin:0 14px 12px}.service-icons{gap:10px}.service-icons span{width:34px;height:34px}.line-list a{grid-template-columns:1fr}}

/* Homepage quick service compact refinement */
.portal-grid.top .service-icons{grid-template-columns:1fr;gap:8px}.portal-grid.top .service-icons a{min-height:56px;flex-direction:row;justify-content:flex-start;text-align:left;padding:10px 12px}.portal-grid.top .service-icons span{flex:0 0 34px;width:34px;height:34px;margin:0 12px 0 0;font-size:.82rem}.portal-grid.top .service-icons strong{line-height:1.32}.portal-grid.top .services{align-self:start}.calendar-panel .line-list a{min-height:46px}.eservice-panel .compact-list a{min-height:42px}@media(max-width:800px){.portal-grid.top .service-icons a{min-height:54px}.portal-grid.top .service-icons span{width:32px;height:32px}}

/* Keep lower panel headings on one line */
@media(min-width:901px){.portal-grid.lower{grid-template-columns:minmax(340px,1.05fr) minmax(330px,.98fr) minmax(300px,.9fr) 330px}.portal-grid.lower .panel-head{gap:14px;align-items:center}.portal-grid.lower .panel-head h2{font-size:1.12rem;line-height:1.18;white-space:nowrap;flex:1 1 auto}.portal-grid.lower .panel-head a{flex:0 0 auto;font-size:.92rem}.portal-grid.lower .panel-head h2:before{height:16px;margin-right:7px}}@media(max-width:900px){.portal-grid.lower .panel-head h2{white-space:normal}}

/* e-Service student systems refresh */
.eservice-hero{background:linear-gradient(135deg,rgba(6,36,95,.96),rgba(8,49,127,.84)),url('/assets/hero-registrar-interior.png') center/cover no-repeat;color:#fff}.eservice-hero h1,.eservice-hero p{color:#fff}.eservice-page{padding-top:34px}.eservice-intro{padding:18px 20px;border:1px solid rgba(242,183,5,.45);border-left:5px solid var(--gold);border-radius:8px;background:linear-gradient(135deg,#fffdf3,#fff)}.eservice-intro strong{display:block;color:var(--blue);font-size:1.08rem}.eservice-intro p{margin:6px 0 0;color:var(--muted)}.eservice-list.expanded{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.eservice-list a{display:grid;gap:8px;align-content:start;min-height:156px;padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.eservice-list a:hover{transform:translateY(-2px);border-color:rgba(8,49,127,.35);box-shadow:0 16px 34px rgba(7,35,86,.1)}.eservice-list em{width:fit-content;padding:3px 10px;border-radius:999px;background:#eef4ff;color:var(--blue);font-size:.78rem;font-style:normal;font-weight:900}.eservice-list strong{display:block;color:var(--blue);font-size:1.08rem;line-height:1.35}.eservice-list span{display:block;color:var(--muted);font-size:.94rem;line-height:1.6}@media(max-width:980px){.eservice-list.expanded{grid-template-columns:1fr}.eservice-list a{min-height:auto}}

/* e-Service hero alignment */
.eservice-hero{padding:54px 44px}.eservice-hero>div{max-width:var(--max);margin:0 auto}.eservice-hero h1{margin:0 0 10px;font-size:clamp(2rem,3vw,3rem);line-height:1.12}.eservice-hero p{max-width:960px;margin:0;font-size:1.08rem}@media(max-width:640px){.eservice-hero{padding:40px 22px}.eservice-hero h1{font-size:2rem}}

/* Calendar date column widening */
.calendar-panel .line-list a{grid-template-columns:minmax(210px,240px) minmax(0,1fr);column-gap:18px}.calendar-panel .line-list time{white-space:nowrap}@media(max-width:720px){.calendar-panel .line-list a{grid-template-columns:1fr}.calendar-panel .line-list time{white-space:normal}}
.calendar-panel .line-list a{grid-template-columns:minmax(238px,268px) minmax(0,1fr);align-items:start;column-gap:20px}.calendar-panel .line-list time{display:block;white-space:normal;line-height:1.35;overflow-wrap:break-word}.calendar-panel .line-list span{display:block;min-width:0;line-height:1.45}@media(max-width:720px){.calendar-panel .line-list a{grid-template-columns:1fr;row-gap:4px}}

.site-popup{position:fixed;inset:0;z-index:9999;background:rgba(7,35,86,.55);display:grid;place-items:center;padding:18px}.site-popup-box{position:relative;width:min(520px,100%);background:#fff;border-radius:8px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.25);border:1px solid var(--line)}.site-popup-box button{position:absolute;top:10px;right:12px;border:0;background:#eef4ff;color:var(--deep);width:34px;height:34px;border-radius:50%;font-size:1.4rem;font-weight:900;cursor:pointer}.site-popup-box img{width:100%;max-height:260px;object-fit:cover;border-radius:6px;margin-bottom:14px}.site-popup-box h2{margin:0 0 8px;color:var(--deep)}.site-popup-box p{color:#334155;line-height:1.65}

/* Home popular forms: keep document code on one line */
.portal-grid.lower .forms-list a{grid-template-columns:minmax(112px,128px) minmax(0,1fr) 42px;column-gap:12px}
.portal-grid.lower .forms-list span{white-space:nowrap;display:block;min-width:0}
@media(max-width:800px){.portal-grid.lower .forms-list a{grid-template-columns:minmax(96px,auto) minmax(0,1fr) 42px}.portal-grid.lower .forms-list span{white-space:nowrap}}

/* Home popular forms: robust layout for long Thai titles */
.portal-grid.lower .forms-list a{grid-template-columns:minmax(116px,128px) minmax(0,1fr) auto;align-items:start;column-gap:14px;overflow:hidden}
.portal-grid.lower .forms-list span{white-space:nowrap;line-height:1.45}
.portal-grid.lower .forms-list strong{display:block;min-width:0;max-width:100%;line-height:1.45;overflow-wrap:anywhere;word-break:normal}
.portal-grid.lower .forms-list em{justify-self:end;white-space:nowrap;margin-left:0}
@media(max-width:1180px) and (min-width:901px){.portal-grid.lower .forms-list a{grid-template-columns:minmax(100px,112px) minmax(0,1fr);row-gap:4px}.portal-grid.lower .forms-list em{grid-column:2;justify-self:start}}
@media(max-width:800px){.portal-grid.lower .forms-list a{grid-template-columns:minmax(92px,104px) minmax(0,1fr);row-gap:4px}.portal-grid.lower .forms-list em{grid-column:2;justify-self:start}}

/* Home popular forms: normal title weight */
.portal-grid.lower .forms-list strong{font-weight:400}

/* Home lower row without latest news block */
.portal-grid.lower.no-news{grid-template-columns:minmax(460px,1.15fr) minmax(380px,1fr) 330px}
@media(max-width:1100px){.portal-grid.lower.no-news{grid-template-columns:1fr 1fr}.portal-grid.lower.no-news .contact-card{grid-column:1/-1}}
@media(max-width:800px){.portal-grid.lower.no-news{grid-template-columns:1fr}}

/* Home lower row without contact block */
.portal-grid.lower.no-contact{grid-template-columns:minmax(360px,1fr) minmax(380px,1.05fr) minmax(360px,1fr)}
@media(max-width:1100px){.portal-grid.lower.no-contact{grid-template-columns:1fr 1fr}.portal-grid.lower.no-contact .guide-list{grid-column:1/-1}}
@media(max-width:800px){.portal-grid.lower.no-contact{grid-template-columns:1fr}.portal-grid.lower.no-contact .guide-list{grid-column:auto}}

/* Document viewer */
.viewer-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}
.viewer-head h1{margin:0;color:var(--deep);font-size:2rem;line-height:1.2}
.viewer-head p{margin:6px 0 0;color:var(--muted);font-weight:800;overflow-wrap:anywhere}
.file-viewer{min-height:72vh;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 14px 34px rgba(7,35,86,.08);overflow:hidden}
.file-viewer iframe{width:100%;height:72vh;border:0;display:block;background:#f8fafc}
.file-viewer .muted{padding:24px;color:var(--muted)}
@media(max-width:800px){.viewer-head{align-items:flex-start;flex-direction:column}.viewer-head h1{font-size:1.55rem}.file-viewer,.file-viewer iframe{min-height:68vh;height:68vh}}