/* Congchungvien.vn interface theme inspired by HMDS's navy and gold visual language. */
:root{
  --bg:#f4f6f9;
  --surface:#fff;
  --surface-soft:#f8fafc;
  --text:#1c2b3c;
  --muted:#617080;
  --line:#e0e7ee;
  --line-strong:#c9d5df;
  --navy:#173965;
  --navy-hover:#0f2a4e;
  --teal:#255b8b;
  --teal-hover:#194873;
  --teal-soft:#eaf2f9;
  --gold:#c9a42d;
  --cream:#f7efd2;
  --shadow:0 14px 38px rgba(16,42,78,.07);
  --radius:14px;
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
html{font-size:17px;scroll-padding-top:94px}
body{background:var(--bg)}
a{color:#20598b}
h1,h2,h3,h4,h5,h6{color:var(--navy-hover)}
.container{margin-top:34px}
.card{border-color:var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.eyebrow{color:#a07d13;letter-spacing:.17em}

/* A consistent masthead for public pages and the application. */
.topbar{min-height:76px;padding-inline:max(3.2vw,24px);background:#14355f;border:0;border-bottom:2px solid rgba(201,164,45,.72);box-shadow:0 8px 24px rgba(9,33,63,.15)}
.brand{gap:13px;color:#fff;font-size:1.18rem;letter-spacing:.012em}
.brand:hover{color:#fff}
.brand-mark{width:47px;height:47px;flex:0 0 47px;border:1px solid rgba(255,255,255,.6);border-bottom:3px solid var(--gold);border-radius:3px;background:transparent;color:#fff;font-family:var(--font);font-size:.85rem;font-weight:800;letter-spacing:-.08em}
.brand-mark.brand-flag{width:50px;height:34px;flex-basis:50px;overflow:hidden;border:0;border-radius:2px;background:transparent;box-shadow:0 2px 7px rgba(0,0,0,.18)}
.brand-mark.brand-flag svg{display:block;width:100%;height:100%}
.brand small{margin-top:5px;color:#d2dced;font-size:.72rem;font-weight:500;letter-spacing:.04em}
.topbar nav{gap:7px}
.topbar nav a{padding:10px 13px;border-radius:3px;color:#f2f5fa;font-size:.94rem;font-weight:600;transition:color .16s,background .16s}
.topbar nav a:hover,.topbar nav a:focus-visible{background:rgba(255,255,255,.1);color:#fff}
.topbar nav a.is-current{position:relative;background:transparent;color:#fff}
.topbar nav a.is-current:after{content:"";position:absolute;right:13px;bottom:2px;left:13px;height:2px;background:var(--gold)}
.topbar nav a.is-current:hover,.topbar nav a.is-current:focus-visible{background:rgba(255,255,255,.1);color:#fff}
.topbar nav a.nav-register,.topbar nav a.ccv-frequent-primary{margin-left:8px;padding:10px 19px;border:1px solid var(--gold);border-radius:999px;background:var(--gold);color:#132d50;box-shadow:0 6px 16px rgba(201,164,45,.18)}
.topbar nav a.nav-register:hover,.topbar nav a.ccv-frequent-primary:hover{background:#e0bc47;color:#122d51}
.topbar nav a.nav-login{margin-left:3px;padding:9px 17px;border:1px solid rgba(255,255,255,.74);border-radius:999px;background:transparent;color:#fff}
.topbar nav a.nav-login:hover{background:#fff;color:var(--navy)}
.topbar nav a.nav-logout{color:#f5d9d9}
.topbar .nav-toggle{border-color:rgba(255,255,255,.52);background:transparent;color:#fff}
.topbar .nav-toggle:hover{background:rgba(255,255,255,.1)}
.topbar .nav-toggle:focus-visible{outline-color:var(--gold)}

/* Panels, controls, and data views. */
.page-heading,.admin-page-heading,.dash-hero{padding-bottom:17px;border-bottom:1px solid var(--line)}
.page-heading h1,.admin-page-heading h1,.dash-hero h1{font-size:clamp(1.8rem,2.4vw,2.3rem);font-weight:680;letter-spacing:-.035em}
.page-heading:before,.admin-page-heading:before,.dash-hero:before{content:"";position:absolute;width:42px;height:3px;background:var(--gold)}
.page-heading,.admin-page-heading,.dash-hero{position:relative}
.page-heading:before,.admin-page-heading:before,.dash-hero:before{bottom:-2px;left:0}
.btn{min-height:38px;padding:9px 17px;border-radius:999px;background:var(--navy);font-weight:650;box-shadow:0 5px 14px rgba(23,57,101,.11)}
.btn:hover{background:var(--navy-hover)}
.btn.secondary{border-color:#cbd8e4;background:#fff;color:var(--navy);box-shadow:none}
.btn.secondary:hover{border-color:var(--navy);background:#f1f6fa}
.btn.home-primary{background:var(--gold);color:#132d50;box-shadow:0 8px 20px rgba(201,164,45,.21)}
.btn.home-primary:hover{background:#e0bc47}
.btn.small{border-radius:999px}
input:not([type=checkbox]):not([type=radio]),select,textarea{min-height:40px;border-color:#ccd8e2;border-radius:9px;background:#fff}
input:focus,select:focus,textarea:focus{border-color:#9f8429;box-shadow:0 0 0 3px rgba(201,164,45,.16)}
input[type=checkbox],input[type=radio]{accent-color:var(--navy)}
label{color:#314a62}
.option:has(input:checked),.topic-choice:has(input:checked),.topic-selection-mode:has(input:checked){border-color:#bda245;background:#fbf7e8}
.option:hover,.topic-choice:hover{border-color:#b8cbe0;background:#f8fbff}
.note{border-left-color:var(--gold);background:#f6f8fb;color:#496077}
.filter-card,.bulk-card,.scope-fieldset{background:#f9fbfd}
th{background:#eaf0f6;color:#244a72}
tbody tr:hover td{background:#f7faff}
.metric,.admin-menu>a,.plan-editor{border-color:var(--line);border-radius:var(--radius);box-shadow:0 8px 23px rgba(16,42,78,.045)}
.metric{border-top:3px solid var(--gold)}
.metric strong{color:var(--navy)}
.dashboard-side-card{border-color:#d6e4ef;background:#eff5fa}
.admin-menu>a:hover{border-color:var(--gold)}
.create-panel>summary,.admin-collapsible>summary{color:var(--navy)}
.management-home a.management-link.ccv-frequent-primary,
.admin-overview a.ccv-frequent-primary,
.user-dashboard-v2 a.ud-action.ccv-frequent-primary,
.user-dashboard-v2 .ud-hero-actions a.ccv-frequent-primary{border-color:var(--navy);background:var(--navy);color:#fff}
.management-home a.management-link.ccv-frequent-secondary,
.admin-overview a.ccv-frequent-secondary,
.user-dashboard-v2 a.ud-action.ccv-frequent-secondary,
.user-dashboard-v2 .ud-hero-actions a.ccv-frequent-secondary{border-color:#dfc765;background:#fbf4d9;color:#6a5314}

/* Authentication uses the same editorial, image-led composition as the homepage. */
.auth-layout{min-height:calc(100vh - 172px);grid-template-columns:minmax(0,1fr) minmax(360px,440px);gap:clamp(30px,6vw,95px);padding:35px 0 55px}
.auth-intro{position:relative;isolation:isolate;overflow:hidden;min-height:490px;padding:clamp(34px,5vw,72px);display:flex;flex-direction:column;justify-content:center;border-radius:18px;background:linear-gradient(122deg,#173965 0%,#173965 73%,#245286 100%);box-shadow:0 22px 42px rgba(14,40,73,.13)}
.auth-intro:before{content:"";position:absolute;inset:auto -8% -36% 25%;height:80%;border:1px solid rgba(255,255,255,.12);transform:rotate(-34deg);z-index:-1}
.auth-intro:after{content:"";width:64px;height:4px;order:-1;margin:0 0 34px;background:var(--gold)}
.auth-intro .eyebrow{color:#e6c75d}
.auth-intro h1{color:#fff;font-size:clamp(2.25rem,3.5vw,3.6rem);font-weight:420;letter-spacing:-.035em;line-height:1.13}
.auth-intro>p{max-width:560px;color:#d8e2ef;font-size:1rem;line-height:1.75}
.auth-points{margin-top:28px;gap:12px;color:#f3f6fb;font-size:.86rem}
.auth-card{padding:clamp(24px,3vw,38px);border-top:4px solid var(--gold);box-shadow:0 18px 48px rgba(16,42,78,.1)}
.auth-card-mark{border-radius:50%;background:var(--navy);color:var(--gold)}
.auth-card h2{font-size:1.55rem;font-weight:670}
.auth-actions{gap:12px}
.auth-actions .btn{min-width:130px}
.registration-layout{grid-template-columns:minmax(0,1fr) minmax(460px,500px);align-items:start}
.registration-layout .auth-intro{position:sticky;top:110px}

@media(max-width:1260px){
  .topbar{min-height:70px;padding-block:10px;flex-wrap:wrap;gap:8px 12px}
  .topbar .nav-toggle{display:inline-flex}
  .topbar .site-nav,.topbar .public-nav{display:none;width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;padding:10px 0 4px}
  .topbar.nav-open .site-nav,.topbar.nav-open .public-nav{display:grid;animation:ccv-nav-in .16s ease-out}
  .topbar .site-nav a,.topbar .public-nav a{margin:0;padding:12px 14px;border:1px solid rgba(255,255,255,.13);border-radius:8px;background:rgba(255,255,255,.07);color:#fff;white-space:normal}
  .topbar .site-nav a:hover,.topbar .public-nav a:hover{background:rgba(255,255,255,.15);color:#fff}
  .topbar .site-nav a.is-current,.topbar .public-nav a.is-current{border-color:var(--gold);background:rgba(201,164,45,.15)}
  .topbar .site-nav a.nav-logout{grid-column:auto;background:rgba(255,255,255,.07);color:#ffd9d9}
  .topbar .public-nav a.nav-register{border-color:var(--gold);background:var(--gold);color:#142e50}
  .topbar .public-nav a.nav-login{border-color:rgba(255,255,255,.55);background:transparent;color:#fff}
  .auth-layout{gap:30px}
  .auth-intro{min-height:430px;padding:34px}
  .registration-layout{grid-template-columns:minmax(0,1fr) minmax(390px,440px)}
}
@media(max-width:760px){
  html{font-size:16.5px;scroll-padding-top:18px}
  .topbar{position:relative;min-height:66px;padding:10px 4vw}
  .brand small{display:block;font-size:.68rem}
  .topbar .public-nav a:not(.nav-login){display:block}
  .container{margin-top:23px}
  .auth-layout{grid-template-columns:1fr;gap:0;padding:7px 0 40px}
  .registration-layout{grid-template-columns:1fr}
  .auth-intro{min-height:0;padding:34px 28px;border-radius:16px 16px 0 0}
  .registration-layout .auth-intro{position:relative;top:auto}
  .auth-intro:after{margin-bottom:22px}
  .auth-intro h1{font-size:2.3rem}
  .auth-points{flex-direction:row;flex-wrap:wrap;gap:8px 16px}
  .auth-card{border-radius:0 0 16px 16px}
}
@media(max-width:480px){
  .brand{gap:10px;font-size:1.03rem}
  .brand-mark.brand-flag{width:43px;height:29px;flex-basis:43px}
  .topbar .site-nav,.topbar .public-nav{grid-template-columns:1fr}
  .auth-intro{padding:28px 23px}
  .auth-intro h1{font-size:2rem}
  .auth-card{padding:24px 21px}
}
@media(max-width:360px){.brand small{display:none}}
@media(prefers-reduced-motion:reduce){.topbar.nav-open .public-nav{animation:none}}