:root{
  /* ═══ SELFPRINT NAVY THEME (default) ═══ */
  --bg:#0F1F3F;--bg2:#16294D;--bg3:#1E3A5F;--bg4:#2D5A7F;
  --border:rgba(139,123,184,.22);--border2:rgba(139,123,184,.42);
  --gold:#8B7BB8;--gold2:#B4A7D0;--glow:rgba(139,123,184,.22);--gdim:#6D5A96;
  --ind:#3B82F6;--ind2:#93C5FD;--iglow:rgba(59,130,246,.14);
  --pur:#8B7BB8;--pur2:#D4CCDE;--teal:#2DD4BF;--rose:#FB7185;--grn:#34D399;
  --tx:#FAFBFC;--tx2:#D4CCDE;--tx3:#9AA5C0;
  --fn:"Noto Sans Thai","Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --fh:"Noto Sans Thai","Inter",-apple-system,sans-serif;
  --fl:"Georgia","Times New Roman",serif;
  --r1:10px;--r2:14px;--r3:18px;
}
/* ═══ LIGHT MODE ═══ */
body.light-mode{
  --bg:#FAFBFC;--bg2:#F3F4F6;--bg3:#E5E7EB;--bg4:#D1D5DB;
  --border:rgba(15,31,63,.18);--border2:rgba(15,31,63,.35);
  --gold:#6D5A96;--gold2:#4F3F73;--glow:rgba(139,123,184,.18);--gdim:#8B7BB8;
  --ind:#2563EB;--ind2:#1D4ED8;--iglow:rgba(37,99,235,.1);
  --pur:#6D5A96;--pur2:#4F3F73;--teal:#0D9488;--rose:#E11D48;--grn:#059669;
  --tx:#0F1F3F;--tx2:#2D5A7F;--tx3:#4B5563;
}
body.light-mode #app{background:var(--bg);box-shadow:0 0 80px rgba(109,90,150,.12)}
body.light-mode .card{background:linear-gradient(135deg,rgba(229,231,235,.97),rgba(250,251,252,.95));box-shadow:0 2px 12px rgba(109,90,150,.08)}
body.light-mode .jcard{background:rgba(212,204,222,.75);border-color:rgba(109,90,150,.25)}
body.light-mode .plan{background:rgba(229,231,235,.85)}
body.light-mode .sht{color:#0F1F3F!important}
body.light-mode .il{color:#2D5A7F!important}
body.light-mode .fpend{background:rgba(109,90,150,.12);color:#4F3F73!important;border-color:rgba(109,90,150,.3)}
body.light-mode .fdone{background:rgba(109,90,150,.12);color:#4C1D95!important;border-color:rgba(109,90,150,.3)}
body.light-mode .fdue{background:rgba(13,148,136,.12);color:#4F3F73!important;border-color:rgba(13,148,136,.3)}
body.light-mode .tb{background:rgba(243,244,246,.95)}
body.light-mode .bnav{background:rgba(243,244,246,.95)}
body.light-mode .sb::-webkit-scrollbar-thumb{background:rgba(109,90,150,.25)}
body.light-mode .btn.bg{box-shadow:0 4px 24px rgba(109,90,150,.3)}
body.light-mode .sc{background:var(--bg)}
body.light-mode .modal-sheet{background:linear-gradient(135deg,#F3F4F6,#E5E7EB)}
body.light-mode input,body.light-mode select,body.light-mode textarea{background:rgba(212,204,222,.3) !important;color:var(--tx) !important}
body.light-mode .qopt{background:rgba(212,204,222,.4);color:var(--tx2)}
body.light-mode .jcard{background:rgba(212,204,222,.5)}
html,body{height:100%;margin:0}
body{min-height:100vh;min-height:100dvh;background:var(--bg);font-family:var(--fn);color:var(--tx);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
/* ⚠️ ใช้ 100dvh เป็นค่าหลัก (บราวเซอร์รองรับ) — 100vh ทิ้งไว้เป็น fallback สำหรับบราวเซอร์เก่า
   สาเหตุหลักของปัญหา "ตกขอบบนล่าง" บนมือถือคือ 100vh ไม่นับพื้นที่แถบที่อยู่/แถบเครื่องมือ
   ที่โผล่/หายระหว่างเลื่อนหน้าจอ ทำให้เนื้อหาถูกคำนวณสูงเกินพื้นที่จริงที่มองเห็น */
#app{width:100%;max-width:430px;min-height:100vh;min-height:100dvh;height:100vh;height:100dvh;margin:0 auto;background:transparent;position:relative;overflow:hidden;box-shadow:0 0 80px rgba(139,123,184,.15)}

/* ═══ PHONE — LANDSCAPE (สูงไม่พอ ไม่ขยับกรอบ แค่กันตกขอบ) ═══ */
@media (max-width:767px) and (max-height:480px){
  #app{height:100vh;height:100dvh}
}

/* ═══ TABLET (768px–1279px) — ขยายกรอบใหญ่ขึ้นจริง 70-80% ของจอ สำหรับอ่านง่าย/ผู้สูงอายุ ═══ */
@media (min-width:768px) and (max-width:1279px){
  html,body{height:100%;overflow:hidden}
  body{background:radial-gradient(ellipse at 50% 40%,#16294D 0%,#0F1F3F 65%);display:flex;align-items:center;justify-content:center;padding:0}
  #app{
    width:78vw!important;max-width:820px!important;
    height:90vh!important;height:90dvh!important;max-height:1100px;
    border-radius:28px;
    box-shadow:0 40px 100px rgba(0,0,0,.7),0 0 0 1px rgba(139,123,184,.3),0 0 120px rgba(139,123,184,.18);
    margin:0 auto;flex-shrink:0;
  }
  /* ขยายฟอนต์พื้นฐานตามสัดส่วนจอ เพื่อให้อ่านง่ายขึ้นจริง ไม่ใช่แค่กรอบใหญ่แต่ตัวหนังสือเท่าเดิม */
  #app{font-size:clamp(16px,1.35vw,19px)}
}
/* ═══ DESKTOP / โน้ตบุ๊ก (1280px+) — กรอบมือถือขนาดกระทัดรัด ไม่ต้องใหญ่เท่าแท็บเล็ต ═══ */
@media (min-width:1280px){
  body{background:radial-gradient(ellipse at 50% 40%,#16294D 0%,#0F1F3F 65%);display:grid;grid-template-columns:1fr 440px 1fr;align-items:center;min-height:100vh;min-height:100dvh}
  #app{grid-column:2;width:440px!important;max-width:440px!important;height:92vh;height:92dvh;max-height:960px;border-radius:28px;box-shadow:0 40px 100px rgba(0,0,0,.7),0 0 0 1px rgba(139,123,184,.3),0 0 120px rgba(139,123,184,.18);margin:0 auto}
  /* Decorative side panels */
  body::before,body::after{content:'';position:fixed;top:0;bottom:0;width:calc((100vw - 440px) / 2 - 40px);pointer-events:none}
  body::before{left:20px;background:radial-gradient(ellipse at right center,rgba(139,123,184,.06) 0%,transparent 70%)}
  body::after{right:20px;background:radial-gradient(ellipse at left center,rgba(99,102,241,.05) 0%,transparent 70%)}
}
.sc{position:absolute;inset:0;display:flex;flex-direction:column;background:transparent;visibility:hidden!important;opacity:0!important;transition:opacity .2s;overflow:hidden;z-index:1!important;max-width:100%;pointer-events:none!important}
.sc.on{visibility:visible!important;opacity:1!important;z-index:2!important;pointer-events:all!important}
/* ซ่อน sc-land ทันทีตั้งแต่ CSS paint — ปลดล็อคเฉพาะเมื่อ JS พร้อมและไม่มี profile */
body:not(.av-ready) #sc-land.on{visibility:hidden!important;opacity:0!important;pointer-events:none!important}
/* sc-dash ไม่ต้อง fade-in — โชว์ทันทีไม่มี transition */
#sc-dash.on{transition:none!important}
/* sc-quiz bg removed — av-bg-canvas only */
.sb{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:90px;overscroll-behavior-y:contain;touch-action:pan-y;min-height:0}
.sb::-webkit-scrollbar{display:none}
.tb{display:flex;align-items:center;padding:14px 18px;background:rgba(22,41,77,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);gap:10px;min-height:56px;flex-shrink:0}
.bk-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:rgba(139,123,184,.08);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--tx2)}
.tb-t{flex:1;font-weight:600;font-size:16px;color:var(--tx)}
.tb-act{padding:8px 16px;border-radius:20px;border:none;background:var(--gold);color:#fff;font-size:13px;font-weight:700;cursor:pointer}
.bnav{display:flex;background:rgba(15,31,63,.92);backdrop-filter:blur(16px);border-top:1px solid var(--border);flex-shrink:0;padding-bottom:env(safe-area-inset-bottom,4px);width:100%}
.bni{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 4px;min-height:48px;cursor:pointer;border:none;background:none;gap:2px;position:relative;transition:all .15s}
.bni span:first-child{font-size:20px;line-height:1;transition:transform .15s;color:var(--tx2)}
.bni span:last-child{font-size:10px;font-weight:500;color:var(--tx3);transition:color .15s}
.bni.on span:last-child{color:var(--gold);font-weight:700}
.bni.on span:first-child{transform:scale(1.15)}
.bni.on{background:rgba(139,123,184,.08);border-radius:12px}
/* Input error state */
.if-err{border-color:var(--rose)!important;box-shadow:0 0 0 2px rgba(251,113,133,.2)!important;animation:shake .3s ease}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
/* Tooltip สำหรับปุ่ม icon */
.has-tip{position:relative}
.has-tip::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);background:rgba(22,41,77,.95);color:var(--tx);font-size:11px;white-space:nowrap;padding:5px 9px;border-radius:8px;border:1px solid var(--border);pointer-events:none;opacity:0;transition:opacity .2s;z-index:200}
.has-tip:hover::after,.has-tip:focus::after{opacity:1}

/* ═══ CARD — with star glow effect ═══ */
.card{background:linear-gradient(135deg,rgba(30,58,95,.9),rgba(45,90,127,.7));border-radius:var(--r3);padding:20px;border:1px solid var(--border);position:relative;overflow:hidden}
.card::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(139,123,184,.06) 0%,transparent 50%,rgba(180,167,208,.04) 100%);pointer-events:none;border-radius:inherit}
/* Shooting star trail on cards */
.card::before{content:'';position:absolute;top:-40px;right:-40px;width:80px;height:1px;background:linear-gradient(90deg,transparent,rgba(139,123,184,.8),rgba(180,167,208,.4),transparent);transform:rotate(-45deg);animation:star-trail var(--star-dur,7s) linear infinite;animation-delay:var(--star-del,0s);opacity:0}
@keyframes star-trail{0%{top:-40px;right:-40px;opacity:0}10%{opacity:.8}40%{opacity:.4}80%{top:120%;right:120%;opacity:0}100%{top:120%;right:120%;opacity:0}}

.cg{border-color:rgba(139,123,184,.5)!important;box-shadow:0 0 30px rgba(139,123,184,.15),0 0 60px rgba(139,123,184,.06)}
.ci{border-color:rgba(59,130,246,.4)!important;box-shadow:0 0 20px var(--iglow)}
.cp{border-color:rgba(139,123,184,.4)!important}
.ct{border-color:rgba(45,212,191,.3)!important;background:rgba(45,212,191,.04)}

/* ═══ BUTTONS ═══ */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 20px;border-radius:var(--r3);border:none;cursor:pointer;font-weight:600;font-size:16px;width:100%;transition:all .15s;position:relative;overflow:hidden}
.btn:active{opacity:.85;transform:scale(.98)}
/* Shimmer sweep on buttons */
.btn::before{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);transform:skewX(-15deg);animation:btn-shine 4s ease-in-out infinite}
@keyframes btn-shine{0%,70%,100%{left:-100%}40%{left:130%}}
/* FIX (bug audit มิติ 3.1): เดิมแต่ละจุดใน app.js ตั้ง disabled state เอง (บาง btn ใช้
   opacity, บาง btn ไม่ทำอะไรเลยแค่ set .disabled=true ทำให้ปุ่มดู active ปกติแต่กดไม่ได้ —
   สับสน) รวมเป็น rule กลางให้ทุก .btn ที่ disabled หน้าตาเหมือนกันเสมอ ไม่ต้องพึ่ง inline style */
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;pointer-events:none}
.btn:disabled::before,.btn[disabled]::before{display:none}
.bg{background:linear-gradient(135deg,#8B7BB8,#6D5A96);color:#fff;box-shadow:0 4px 24px rgba(139,123,184,.4)}
.bo{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.bgh{background:rgba(139,123,184,.1);color:var(--tx2);font-size:14px;border:1px solid var(--border)}
.bi{background:linear-gradient(135deg,#6366F1,#3B82F6);color:#fff}
.bt{background:linear-gradient(135deg,#6D5A96,#8B7BB8);color:#fff}
.bd{background:rgba(251,113,133,.1);border:1px solid rgba(251,113,133,.3);color:var(--rose)}
.bsm{padding:10px 18px;font-size:14px;width:auto;border-radius:var(--r2)}
.ig{margin-bottom:14px}
@media(max-width:640px){.ig:last-child{margin-bottom:240px}}
.il{font-size:13px;font-weight:500;color:var(--tx2);margin-bottom:7px;display:block}
.if{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:var(--r2);font-size:16px;color:var(--tx);background:rgba(30,58,95,.6);outline:none;font-family:var(--fn);transition:border-color .15s;box-sizing:border-box;max-width:100%}
.if-prefilled{color:var(--tx3)!important;border-style:dashed!important}
.if:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(139,123,184,.1)}
.if::placeholder{color:var(--tx3)}
textarea.if{resize:none}
#toast{position:absolute;top:20px;left:50%;transform:translateX(-50%);pointer-events:none;background:linear-gradient(135deg,#1E3A5F,#2D5A7F);border:1px solid var(--border2);color:var(--tx);padding:10px 20px;border-radius:20px;font-size:13px;font-weight:500;white-space:nowrap;z-index:999;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90vw;box-shadow:0 4px 24px rgba(139,123,184,.3)}
#toast.toast-success{background:linear-gradient(135deg,#052E16,#064E3B);border-color:rgba(52,211,153,.4);box-shadow:0 4px 24px rgba(52,211,153,.25)}
#toast.toast-error{background:linear-gradient(135deg,#450A0A,#7F1D1D);border-color:rgba(248,113,113,.4);box-shadow:0 4px 24px rgba(248,113,113,.25)}
#toast.toast-warn{background:linear-gradient(135deg,#1E3A5F,#2D5A7F);border-color:var(--border2);box-shadow:0 4px 24px rgba(139,123,184,.3)}
#toast.toast-info{background:linear-gradient(135deg,#0C1445,#1E3A8A);border-color:rgba(99,102,241,.4);box-shadow:0 4px 24px rgba(99,102,241,.25)}
#toast.on{opacity:1}
.dv{height:1px;background:var(--border);margin:14px 0}
.sh{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.sht{font-size:15px;font-weight:600;color:var(--tx)}
.shl{font-size:13px;color:var(--gold);cursor:pointer;font-weight:500}

/* ═══ LOGO ═══ */
.logo-m{display:flex;align-items:center;gap:10px}
.logo-i{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#1E3A5F,#4B0082);border:1px solid rgba(139,123,184,.5);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 0 16px rgba(139,123,184,.3)}
.logo-i svg{width:26px;height:26px}
.logo-t{font-family:var(--fl);font-weight:700;font-size:19px;background:linear-gradient(135deg,#B4A7D0,#8B7BB8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px}
.logo-s{font-size:10px;color:var(--tx3);letter-spacing:1.5px;text-transform:uppercase;margin-top:-2px}
.mtag{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:20px;background:rgba(139,123,184,.12);border:1px solid rgba(139,123,184,.3);font-size:12px;color:var(--gold2);font-weight:600}
.arc{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:20px;background:linear-gradient(135deg,rgba(139,123,184,.18),rgba(59,130,246,.1));border:1px solid rgba(139,123,184,.35);font-size:13px;color:var(--pur2);font-weight:700}
.cbar{height:3px;background:var(--bg4);border-radius:2px;overflow:hidden;margin-bottom:12px}
.cfill{height:100%;border-radius:2px}

/* ═══ TRANSPARENCY FOOTER ═══ */
.data-footer{margin-top:18px;padding:14px 15px;border-top:1px solid var(--border);display:flex;gap:9px;align-items:flex-start}
.data-footer-icon{font-size:14px;flex-shrink:0;margin-top:1px;opacity:.7}
.data-footer-text{font-size:11px;color:var(--tx3);line-height:1.6}

/* ═══ CONTENT PROTECTION (Phase 4) ═══ */
/* ใช้เฉพาะพื้นที่ "ผลลัพธ์อ่านอย่างเดียว" (ผลวิเคราะห์/การ์ดแชร์)
   ห้ามใส่กับ input/textarea เพราะจะพิมพ์/แก้ไขไม่ได้เลย
   หมายเหตุ: กันได้แค่การก๊อบแบบสุ่ม ไม่ใช่กำแพงกันมืออาชีพ (ดู Glossary ข้อ 7) */
.av-protected{
  -webkit-user-select:none;-moz-user-select:none;user-select:none;
  -webkit-touch-callout:none;
}

/* ═══ PHASE 7: MICRO UX ═══ */
/* Skeleton loading with shimmer */
.skel{background:rgba(139,123,184,.12);border-radius:var(--r1);position:relative;overflow:hidden}
.skel::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 20%,rgba(139,123,184,.18) 50%,transparent 80%);animation:skel-shine 1.5s ease-in-out infinite}
@keyframes skel-shine{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* Card touch feedback */
.card[onclick]:active,.jcard:active,.qopt:active,.plan:active{transform:scale(.985);opacity:.92}

/* Success ripple */
@keyframes ripple-out{0%{transform:scale(.8);opacity:.9}100%{transform:scale(2.2);opacity:0}}
.ripple-container{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;background:rgba(139,123,184,.4);pointer-events:none;animation:ripple-out .5s ease-out forwards;width:40px;height:40px;margin-left:-20px;margin-top:-20px}

/* Success animation — checkmark pulse */
@keyframes check-pop{0%{transform:scale(0)}60%{transform:scale(1.2)}100%{transform:scale(1)}}
.check-anim{animation:check-pop .3s cubic-bezier(.34,1.56,.64,1) forwards}

/* Improved focus states (Phase 10 Accessibility) */
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
button:focus-visible,a:focus-visible,.bni:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.bk-btn:focus-visible{outline:2px solid var(--gold)}

/* Touch targets — ensure min 44px (Phase 10) */
.bk-btn,.bni{min-width:44px;min-height:44px}
.qopt{min-height:48px}

/* Smooth fade-in for dynamically rendered cards */
@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:translateY(0)}}
.fade-up{animation:fade-up .25s ease-out forwards}

/* Empty state improved */
.empty{padding:40px 20px;display:flex;flex-direction:column;align-items:center}
.emj{font-size:46px;margin-bottom:13px;opacity:.4;animation:float-star 3s ease-in-out infinite}

/* Transition ลื่นขึ้น */
.sc{transition:opacity .2s ease-out}
.qopt{transition:all .12s ease}
.plan{transition:all .15s ease}

/* Color-blind friendly — icons not color-only */
.fpend::before{content:'○ '}
.fdone::before{content:'✓ '}
.fdue::before{content:'! '}
.av-protected img,.av-protected svg{ pointer-events:none; }

/* ─── UX Restructure v1.0: Hide extra modules section (STEP 4) ─── */
#home-extra-sh,
#home-quiz-modules { display: none !important; }