/* เว็บไซต์โรงเรียนวัดทิพพาวาส รุ่น 16 — Responsive, touch and display accessibility */
:root{
  --tap-size:44px;
  --mobile-gutter:16px;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-right:env(safe-area-inset-right,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
  --safe-left:env(safe-area-inset-left,0px);
}
html{max-width:100%;text-size-adjust:100%;-webkit-text-size-adjust:100%;scroll-padding-top:110px}
body{max-width:100%;overflow-x:hidden;min-width:280px;padding-bottom:var(--safe-bottom)}
main,.admin-main,.student-content,.parent-content,.teacher-content,.executive-content{min-width:0}
img,svg,video,canvas,iframe{max-width:100%}
button,input,select,textarea{font:inherit}
button,.btn,[role="button"],input[type="button"],input[type="submit"],input[type="reset"]{min-height:var(--tap-size);touch-action:manipulation}
input[type="checkbox"],input[type="radio"]{min-width:20px;min-height:20px;accent-color:var(--blue)}
.form-control,.form-select,textarea{min-height:46px}
textarea{max-width:100%}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

/* เครื่องมือปรับการแสดงผล */
.display-tools{position:fixed;right:max(14px,var(--safe-right));bottom:max(14px,var(--safe-bottom));z-index:1200;display:grid;justify-items:end;gap:8px}
.display-tools-toggle{width:52px;height:52px;border:2px solid #fff;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:900;box-shadow:0 8px 28px rgba(15,23,42,.28);cursor:pointer}
.display-tools-panel{width:min(270px,calc(100vw - 28px));padding:14px;border:1px solid #dbe4f0;border-radius:18px;background:#fff;color:#172033;box-shadow:0 18px 48px rgba(15,23,42,.24)}
.display-tools-panel[hidden]{display:none}
.display-tools-panel strong{display:block;margin-bottom:10px}
.display-tools-panel>button{width:100%;margin-top:7px;text-align:left;padding:9px 12px;border:1px solid #dbe4f0;border-radius:11px;background:#f8fafc;color:#172033;cursor:pointer}
.display-tools-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.display-tools-row button{min-height:44px;border:1px solid #dbe4f0;border-radius:10px;background:#f8fafc;font-weight:800;cursor:pointer}
.display-tools-panel button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}

/* ตัวอักษรและปุ่มขนาดใหญ่ */
body.text-large{font-size:1.075rem}
body.text-xlarge{font-size:1.16rem}
body.touch-friendly,body.young-learner-mode{--tap-size:54px}
body.touch-friendly .btn,body.young-learner-mode .btn,
body.touch-friendly button:not(.display-tools-toggle),body.young-learner-mode button:not(.display-tools-toggle){padding:.78rem 1.1rem;font-weight:800}
body.touch-friendly .form-control,body.touch-friendly .form-select,body.touch-friendly textarea,
body.young-learner-mode .form-control,body.young-learner-mode .form-select,body.young-learner-mode textarea{min-height:54px;font-size:1.05rem}
body.young-learner-mode .student-menu a{min-height:58px;font-size:1.06rem;padding:13px 14px}
body.young-learner-mode .student-panel,body.young-learner-mode .feature-card{border-radius:22px}
body.young-learner-mode .picture-password-grid button{min-height:76px;font-size:1.15rem}
body.young-learner-mode .game-card-cover{border-radius:22px}
body.young-learner-mode h1{line-height:1.25}

/* คอนทราสต์สูง */
body.high-contrast{--ink:#000;--muted:#242424;--border:#586174;--bg:#fff;--shadow:none;background:#fff;color:#000}
body.high-contrast a{text-decoration:underline;text-underline-offset:3px}
body.high-contrast .card,body.high-contrast .content-box,body.high-contrast .admin-card,
body.high-contrast .student-panel,body.high-contrast .parent-panel,body.high-contrast .teacher-panel,
body.high-contrast .executive-panel{border:2px solid #111;box-shadow:none}
body.high-contrast .btn,body.high-contrast button{outline:1px solid currentColor}
body.high-contrast :focus-visible{outline:4px solid #ffbf00!important;outline-offset:3px!important}

/* สถานะ focus สำหรับคีย์บอร์ด */
:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 75%,#fff);outline-offset:3px}

/* ตารางเลื่อนแนวนอนได้อย่างชัดเจน */
.table-wrap,[class*="table-wrap"],.school-calendar-wrap,.executive-table-wrap{max-width:100%;overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain;scrollbar-gutter:stable}
.table-wrap:focus-visible,[class*="table-wrap"]:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.table-wrap table,[class*="table-wrap"] table{margin:0}

/* โหมดจอประชาสัมพันธ์ / โปรเจกเตอร์ */
body.display-mode{font-size:1.08rem}
body.display-mode .container{width:min(1540px,calc(100% - 48px))}
body.display-mode .section{padding-block:68px}
body.display-mode .page-hero{padding-block:56px}
body.display-mode .card h3{font-size:1.28rem}
body.display-mode .site-header{position:relative}
body.display-mode .display-tools{opacity:.3;transition:opacity .2s}
body.display-mode .display-tools:hover,body.display-mode .display-tools:focus-within{opacity:1}

/* โครงสร้างเมนูสมาชิก */
.role-menu-toggle{display:none;width:100%;margin-top:10px;padding:10px 14px;border:1px solid #dbe4f0;border-radius:12px;background:#fff;color:#172033;font-weight:800;text-align:left}
.mobile-nav-overlay{position:fixed;inset:0;background:rgba(15,23,42,.48);z-index:949;opacity:0;pointer-events:none;transition:opacity .2s}
.mobile-nav-overlay.open{opacity:1;pointer-events:auto}
.mobile-nav-close{display:none}

/* จอใหญ่ */
@media (min-width:1440px){
  .container{width:min(1320px,calc(100% - 64px))}
  .admin-main,.student-content,.parent-content,.teacher-content,.executive-content{padding:32px}
  .admin-layout{grid-template-columns:280px 1fr}
  .admin-sidebar{padding-inline:16px}
  .grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .competition-board{max-width:1800px;margin:auto}
}

/* โน้ตบุ๊กและแท็บเล็ตแนวนอน */
@media (max-width:1180px){
  .container{width:min(100% - 28px,1120px)}
  .brand-row{gap:12px}
  .brand strong{font-size:1.1rem}
  .main-nav a{padding:9px 8px;font-size:.9rem}
  .admin-title,.section-heading,.parent-page-heading,.student-page-heading,.teacher-page-heading,.executive-page-heading{align-items:flex-start;flex-wrap:wrap}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* เมนูแบบ drawer บนแท็บเล็ตและโทรศัพท์ */
@media (max-width:980px){
  html{scroll-padding-top:82px}
  .site-header{top:0}
  .topbar-inner{gap:10px}
  .topbar-links{overflow-x:auto;max-width:65vw;padding-bottom:2px;scrollbar-width:thin}
  .topbar-links a{white-space:nowrap}
  .brand-row{min-height:74px}
  .brand-logo,.brand-mark{width:50px;height:50px;flex:0 0 50px}
  .brand small{font-size:.78rem}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:88px;min-height:46px;font-weight:800}
  .main-nav{display:flex!important;position:fixed!important;inset:0 0 0 auto!important;top:0!important;width:min(370px,92vw);height:100dvh;padding:72px 16px 24px!important;border-radius:0!important;background:#fff;flex-direction:column;align-items:stretch;gap:4px;box-shadow:-16px 0 42px rgba(15,23,42,.25);transform:translateX(105%);transition:transform .22s ease;z-index:1000;overflow-y:auto}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{display:flex;align-items:center;min-height:48px;padding:11px 14px;font-size:1rem;border-bottom:1px solid #edf1f6}
  .main-nav .mobile-nav-close{display:grid;place-items:center;position:absolute;top:max(14px,var(--safe-top));right:14px;width:44px;height:44px;border:1px solid #dbe4f0;border-radius:50%;background:#f8fafc;color:#172033;font-size:1.3rem}
  body.public-nav-open{overflow:hidden}
  .hero{padding:52px 0}
  .hero-grid{gap:24px}
  .hero-card{padding:20px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}

  .admin-topbar{height:auto;min-height:64px;padding:10px 14px;gap:10px;padding-top:calc(10px + var(--safe-top))}
  .admin-topbar>div{display:flex;align-items:center;gap:7px;flex-wrap:wrap;justify-content:flex-end;font-size:.88rem}
  .admin-menu-toggle{display:inline-grid;place-items:center;min-width:46px;min-height:46px;font-size:1.25rem}
  .admin-sidebar{display:flex;position:fixed;left:0;top:0;bottom:0;width:min(310px,88vw);height:100dvh;padding:calc(76px + var(--safe-top)) 14px calc(24px + var(--safe-bottom));z-index:1000;transform:translateX(-105%);transition:transform .22s ease;overflow-y:auto}
  .admin-sidebar.open{left:0;transform:translateX(0)}
  body.admin-nav-open{overflow:hidden}
  .admin-main{padding:20px}

  .student-shell,.parent-shell,.teacher-shell,.executive-shell{display:block!important;min-height:auto}
  .student-sidebar,.parent-sidebar,.teacher-sidebar,.executive-sidebar{position:relative!important;top:auto!important;height:auto!important;border-right:0!important;padding:12px!important;overflow:visible!important;background:#fff}
  .student-mini-profile,.parent-mini-profile,.teacher-mini-profile,.executive-mini-profile{margin-bottom:0}
  .role-menu-toggle{display:block}
  .student-menu,.parent-menu,.teacher-menu,.executive-menu{display:none!important;grid-template-columns:1fr 1fr!important;margin-top:10px;max-height:min(64dvh,540px);overflow:auto;padding:6px;border:1px solid #e2e8f0;border-radius:15px;background:#f8fafc}
  .student-sidebar.menu-open .student-menu,.parent-sidebar.menu-open .parent-menu,.teacher-sidebar.menu-open .teacher-menu,.executive-sidebar.menu-open .executive-menu{display:grid!important}
  .student-menu a,.parent-menu a,.teacher-menu a,.executive-menu a{min-height:48px;background:#fff;border:1px solid #edf1f6;white-space:normal!important}
  .student-content,.parent-content,.teacher-content,.executive-content{padding:18px!important}
}

/* โทรศัพท์และแท็บเล็ตแนวตั้ง */
@media (max-width:760px){
  :root{--mobile-gutter:12px}
  .container{width:calc(100% - 24px)}
  .topbar-inner{display:block;padding:6px 0}
  .topbar-inner>span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}
  .topbar-links{max-width:100%;justify-content:flex-start;padding:4px 0 2px;gap:13px}
  .brand-row{min-height:68px}
  .brand{min-width:0}
  .brand>span:last-child{min-width:0}
  .brand strong,.brand small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:56vw}
  .brand strong{font-size:1rem}
  .brand-logo,.brand-mark{width:46px;height:46px;flex-basis:46px}
  .nav-toggle{min-width:74px;padding-inline:10px}

  .hero{padding:38px 0}
  .hero h1{font-size:clamp(1.8rem,10vw,2.65rem)}
  .hero p{font-size:1rem}
  .hero-actions,.actions,.admin-form-actions,.heading-actions,.filter-actions{display:grid!important;grid-template-columns:1fr!important;width:100%}
  .hero-actions .btn,.actions .btn,.admin-form-actions .btn,.heading-actions .btn,.filter-actions .btn{width:100%}
  .section{padding:38px 0}
  .section-sm{padding:24px 0}
  .section-heading{display:block;margin-bottom:18px}
  .section-heading>a{display:inline-flex;margin-top:10px}
  .page-hero{padding:30px 0}
  .content-box,.card-body,.admin-card{padding:17px}
  .grid-2,.grid-3,.grid-4,.member-grid,.kpi-grid,.form-row{grid-template-columns:1fr!important}
  .news-row{grid-template-columns:1fr}
  .news-row img{height:210px}
  .document-item{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:16px;padding:30px 0}
  .footer-grid section{padding-bottom:12px;border-bottom:1px solid #ffffff26}

  .admin-topbar>a strong{font-size:.94rem}
  .admin-topbar>div span{display:none}
  .admin-main{padding:13px}
  .admin-title{display:grid;grid-template-columns:1fr;gap:12px}
  .admin-title .btn{width:100%}
  .kpi strong{font-size:1.65rem}
  .table-wrap table,[class*="table-wrap"] table{min-width:640px}
  th,td{padding:10px 11px}

  .student-menu,.parent-menu,.teacher-menu,.executive-menu{grid-template-columns:1fr!important}
  .student-content,.parent-content,.teacher-content,.executive-content{padding:12px!important}
  .student-page-heading,.parent-page-heading,.teacher-page-heading,.executive-page-heading,
  .competition-heading,.notification-hero,.service-result-head,.service-detail-header{flex-direction:column!important;align-items:flex-start!important}
  .student-panel,.parent-panel,.teacher-panel,.executive-panel{padding:15px!important}
  .parent-child-hero{padding:16px}

  .calendar-toolbar{grid-template-columns:1fr 1fr}
  .calendar-toolbar>div{grid-column:1/-1;grid-row:1}
  .calendar-nav-button{width:100%;text-align:center}
  .calendar-detail-card{grid-template-columns:1fr}
  .calendar-detail-date{width:100%;height:auto;grid-template-columns:auto auto auto;justify-content:center;gap:8px;padding:12px}

  .game-launch-bar{position:sticky;top:0;z-index:30}
  .game-launch-bar>a{min-height:44px;display:flex;align-items:center}
  .game-timer{top:auto;right:10px;bottom:calc(10px + var(--safe-bottom));font-size:.9rem}
  .game-frame{min-height:calc(100dvh - 165px)}

  .competition-board{padding:12px!important;min-height:100dvh}
  .competition-board>header{grid-template-columns:1fr!important;text-align:center}
  .competition-board .board-room-code,.competition-board .board-qr{justify-self:center}
  .board-score-grid{grid-template-columns:1fr!important}
  .board-score-grid article{min-height:74px}

  .display-tools{right:max(8px,var(--safe-right));bottom:max(8px,var(--safe-bottom))}
  .display-tools-toggle{width:48px;height:48px}
}

/* โทรศัพท์ขนาดเล็ก */
@media (max-width:420px){
  body{font-size:15.5px}
  body.text-large{font-size:1.03rem}
  body.text-xlarge{font-size:1.1rem}
  .container{width:calc(100% - 18px)}
  .brand small{display:none}
  .brand strong{max-width:48vw}
  .main-nav{width:96vw}
  .btn{padding:10px 13px}
  .card-media{height:175px}
  .stat-card{padding:16px}
  .parent-stat-grid,.student-stat-grid,.teacher-kpi-grid,.executive-kpi-grid{grid-template-columns:1fr!important}
  .notification-item{grid-template-columns:42px 1fr!important;padding:13px!important}
  .notification-item-actions{grid-column:1/-1}
  .service-card-grid{grid-template-columns:1fr!important}
  .display-tools-panel{width:calc(100vw - 16px)}
}

/* จอแนวนอนที่มีความสูงน้อย */
@media (orientation:landscape) and (max-height:560px){
  .topbar{display:none}
  .brand-row{min-height:58px}
  .site-header{position:relative}
  .main-nav{padding-top:58px!important}
  .student-sidebar,.parent-sidebar,.teacher-sidebar,.executive-sidebar{padding:8px!important}
  .student-mini-profile,.parent-mini-profile,.teacher-mini-profile,.executive-mini-profile{padding:9px}
  .display-tools{bottom:6px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

@media print{
  .display-tools,.nav-toggle,.admin-menu-toggle,.role-menu-toggle,.mobile-nav-overlay{display:none!important}
  body{font-size:11pt!important;background:#fff!important;color:#000!important}
  .site-header,.site-footer,.admin-sidebar,.student-sidebar,.parent-sidebar,.teacher-sidebar,.executive-sidebar{display:none!important}
  .admin-layout,.student-shell,.parent-shell,.teacher-shell,.executive-shell{display:block!important}
  .admin-main,.student-content,.parent-content,.teacher-content,.executive-content{padding:0!important}
  .card,.admin-card,.student-panel,.parent-panel,.teacher-panel,.executive-panel{box-shadow:none!important;break-inside:avoid}
}