/* V152: hộp thông tin khách dùng chung cho đề thi và luyện viết */
.guest-gate{position:fixed;inset:0;z-index:12000;display:grid;place-items:center;padding:18px;font-family:"Times New Roman",serif}
.guest-gate-backdrop{position:absolute;inset:0;background:rgba(33,28,23,.48);backdrop-filter:blur(3px)}
.guest-gate-card{position:relative;width:min(510px,100%);max-height:calc(100vh - 30px);overflow:auto;padding:28px 22px 24px;border:1px solid #dfc59a;border-radius:22px;background:#fffaf0;color:#34291f;box-shadow:0 26px 70px rgba(50,30,18,.24)}
.guest-gate-card .guest-gate-step{display:block;margin:0 0 8px;color:#25705b;font-size:13px;font-weight:800;letter-spacing:.16em}
.guest-gate-card h2{margin:0 42px 7px 0;font-size:clamp(27px,6vw,34px);line-height:1.12;color:#382b22}
.guest-gate-card>p{margin:0 0 20px;color:#786650;font-size:17px;line-height:1.45}
.guest-gate-card label{display:block;margin:14px 0 7px;font-size:17px;font-weight:800;color:#4d4034}
.guest-gate-card label b{color:#8d2017}
.guest-gate-card input{width:100%;min-height:55px;padding:0 15px;border:1px solid #d9b983;border-radius:13px;background:#fffdf8;color:#263b32;font:inherit;font-size:17px;box-shadow:0 0 0 4px rgba(67,133,105,.08)}
.guest-gate-card input:focus{outline:none;border-color:#5b927b;box-shadow:0 0 0 4px rgba(67,133,105,.16)}
.guest-gate-card .guest-gate-confirm{display:flex;align-items:center;justify-content:center;width:100%;min-height:56px;margin-top:23px;padding:12px 18px;border:0;border-radius:14px;background:#318a68;color:#fff;font:inherit;font-size:18px;font-weight:800;cursor:pointer}
.guest-gate-card .guest-gate-confirm:hover{background:#246f54}
.guest-gate-close{position:absolute;top:10px;right:10px;display:grid;place-items:center;width:42px;height:42px;padding:0;border:0;border-radius:50%;background:#f3e5cf;color:#8b3b27;font:300 28px/1 Arial;cursor:pointer}
body.guest-gate-open{overflow:hidden}
@media(max-width:560px){.guest-gate{padding:10px}.guest-gate-card{padding:24px 18px 20px;border-radius:18px}.guest-gate-card h2{font-size:27px}.guest-gate-card>p{font-size:16px}.guest-gate-card input{min-height:52px}.guest-gate-card .guest-gate-confirm{min-height:54px;font-size:17px}}

/* V156: đồng bộ hiệu suất máy tính và điện thoại */
@media (max-width:760px){
  html{scroll-behavior:auto}
  body{-webkit-text-size-adjust:100%;text-size-adjust:100%}
  button,a,input,select,textarea{touch-action:manipulation}
  .guest-limit-overlay,.guest-gate-backdrop,.recruitment-topbar{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .guest-limit-card,.writing-card,.mock-exam-card,.student-login-card,.student-dashboard-header{box-shadow:0 8px 24px rgba(60,28,13,.12)!important}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* V306 full-screen guest page */
html > .guest-gate.guest-gate-page{position:fixed!important;inset:0!important;z-index:2147482000!important;display:block!important;padding:0!important;background:#fbf6eb!important;overflow:auto!important;overscroll-behavior:contain!important;font-family:"Times New Roman",serif!important}.guest-gate-page-shell{min-height:100dvh;display:flex;flex-direction:column;background:linear-gradient(180deg,#fffaf1,#f8efe0)}.guest-gate-page-header{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:68px;padding:10px 18px;border-bottom:1px solid #dfc59a;background:#fffaf1;color:#7b2018}.guest-gate-page-header strong{text-align:center}.guest-gate-back{width:max-content;border:1px solid #d8b77f;border-radius:10px;background:#fffaf0;padding:9px 13px;color:#7b2018;font:700 15px "Times New Roman",serif}.guest-gate-page-main{flex:1;display:grid;place-items:start center;padding:clamp(28px,7vh,80px) 16px 40px}.guest-gate-page .guest-gate-card{position:relative;width:min(520px,100%);max-height:none;overflow:visible;padding:30px 28px;border:1px solid #dfc59a;border-radius:22px;background:#fffaf0;box-shadow:0 16px 45px rgba(50,30,18,.13)}.guest-gate-status{min-height:1.4em;margin:12px 0 0!important;text-align:center;color:#6d5b49!important}body.guest-gate-open{overflow:hidden!important}@media(max-width:560px){.guest-gate-page-header{grid-template-columns:auto 1fr}.guest-gate-page-header strong{font-size:13px;text-align:right}.guest-gate-page-header span{display:none}.guest-gate-page-main{padding-top:24px}.guest-gate-page .guest-gate-card{padding:24px 18px}}

/* V307: modal khách luôn cố định giữa viewport, không phụ thuộc vị trí cuộn */
.guest-gate{position:fixed!important;inset:0!important;z-index:32000!important;min-height:100dvh!important;overflow:auto!important;overscroll-behavior:contain!important;}
body.guest-gate-open{overflow:hidden!important;}