*{box-sizing:border-box}
:root{
  --navy:#24324a;
  --navy-deep:#172238;
  --blue:#4f7cff;
  --blue-dark:#3763e8;
  --violet:#8a64f6;
  --pink:#f08db6;
  --peach:#ffb583;
  --mint:#45c7a2;
  --sky:#eaf4ff;
  --lavender:#f2eeff;
  --cream:#fff9ef;
  --bg:#f7f9ff;
  --card:rgba(255,255,255,.92);
  --text:#25324a;
  --muted:#6d7890;
  --line:#e3e9f4;
  --line-strong:#d5deed;
  --danger:#c23f54;
  --warning:#a8700a;
  --success:#16846a;
  --shadow-sm:0 8px 24px rgba(45,67,112,.08);
  --shadow:0 18px 48px rgba(45,67,112,.13);
  --shadow-lg:0 28px 70px rgba(55,75,125,.17);
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:30px;
}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;background:
  radial-gradient(circle at 5% 8%,rgba(79,124,255,.09),transparent 25rem),
  radial-gradient(circle at 96% 18%,rgba(240,141,182,.09),transparent 24rem),
  var(--bg);color:var(--text);font-family:"Noto Sans Thai","Leelawadee UI",Tahoma,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.68;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:radial-gradient(rgba(79,124,255,.12) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 38%)}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
img{max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
::selection{background:#dfe8ff;color:var(--navy-deep)}
.container{width:min(1180px,calc(100% - 36px));margin-inline:auto}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(20px) saturate(145%);-webkit-backdrop-filter:blur(20px) saturate(145%);border-bottom:1px solid rgba(216,225,240,.78);box-shadow:0 5px 25px rgba(64,83,123,.045)}
.nav-shell{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-size:1.34rem;font-weight:850;color:var(--navy);line-height:1.05;letter-spacing:-.02em}
.brand strong{color:var(--blue)}
.brand small{display:block;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:#8b96aa;margin-top:5px;font-weight:750}
.brand-mark{position:relative;display:grid;place-items:center;width:46px;height:46px;border-radius:16px;color:#fff;background:linear-gradient(145deg,var(--blue),var(--violet) 65%,var(--pink));box-shadow:0 12px 26px rgba(79,124,255,.28);font-weight:900}
.brand-mark:after{content:"";position:absolute;inset:3px;border:1px solid rgba(255,255,255,.38);border-radius:13px}
.main-nav{display:flex;align-items:center;gap:7px;color:#4f5e76;font-weight:720}
.main-nav>a{padding:10px 12px;border-radius:12px}
.main-nav>a:hover{color:var(--blue-dark);background:#f1f5ff}
.nav-cta{padding:11px 18px!important;border-radius:13px!important;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff!important;box-shadow:0 9px 22px rgba(79,124,255,.22)}
.nav-cta:hover{transform:translateY(-1px);background:linear-gradient(135deg,var(--blue-dark),#7652e6)!important}
.nav-cta.subtle{background:#edf2fb;color:var(--navy)!important;box-shadow:none}
.nav-toggle{display:none;width:auto;border:1px solid var(--line);background:#f3f6fc;color:var(--navy);border-radius:12px;padding:8px 12px;font-size:1.2rem;box-shadow:none}

.hero{position:relative;overflow:hidden;padding:96px 0 72px;background:
  radial-gradient(circle at 84% 12%,rgba(138,100,246,.18),transparent 28%),
  radial-gradient(circle at 12% 22%,rgba(79,124,255,.17),transparent 30%),
  radial-gradient(circle at 72% 86%,rgba(69,199,162,.12),transparent 23%),
  linear-gradient(180deg,#fff 0%,#f4f7ff 100%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:999px;filter:blur(1px);opacity:.55}
.hero:before{width:210px;height:210px;right:-55px;top:80px;background:linear-gradient(135deg,#dcd4ff,#ffddeb)}
.hero:after{width:120px;height:120px;left:7%;bottom:-45px;background:linear-gradient(135deg,#cfe4ff,#d9fff3)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:58px}
.eyebrow,.pill{display:inline-flex;align-items:center;border-radius:999px;padding:7px 12px;font-size:.78rem;font-weight:850;letter-spacing:.01em}
.eyebrow{background:rgba(235,241,255,.9);color:#365fc8;border:1px solid #d4e0ff;box-shadow:0 5px 18px rgba(79,124,255,.08)}
h1{font-size:clamp(2.45rem,6vw,4.85rem);line-height:1.06;letter-spacing:-.045em;margin:20px 0;color:var(--navy-deep)}
.hero h1 span{background:linear-gradient(90deg,var(--blue-dark),var(--violet),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy{font-size:1.1rem;color:#607089;max-width:680px}
.hero-actions,.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.btn,button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:12px 19px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;font:inherit;font-weight:820;cursor:pointer;box-shadow:0 10px 24px rgba(79,124,255,.2);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.btn:hover,button:hover,.button:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(79,124,255,.27);filter:saturate(1.05)}
.btn.secondary,button.secondary,.button.secondary{background:#edf2ff;color:#3657aa;box-shadow:none}
.btn.outline{background:rgba(255,255,255,.86);color:var(--navy);border:1px solid var(--line-strong);box-shadow:var(--shadow-sm)}
.danger{background:linear-gradient(135deg,#d95568,#b9304b)!important}
.hero-panel{position:relative;background:rgba(255,255,255,.78);border:1px solid rgba(213,225,244,.92);border-radius:32px;padding:24px;box-shadow:var(--shadow-lg);transform:rotate(1deg);backdrop-filter:blur(12px)}
.hero-panel:before{content:"";position:absolute;inset:-12px;z-index:-1;border-radius:38px;background:linear-gradient(135deg,rgba(79,124,255,.14),rgba(240,141,182,.12));transform:rotate(-2deg)}
.mini-window{background:#fff;border:1px solid var(--line);border-radius:21px;overflow:hidden}
.window-bar{display:flex;gap:7px;padding:14px;background:#f4f6fb;border-bottom:1px solid #edf0f6}.dot{width:10px;height:10px;border-radius:50%;background:#ff8ea0}.dot:nth-child(2){background:#ffc66d}.dot:nth-child(3){background:#64d6b5}
.window-body{padding:22px}.mock-search{height:46px;border-radius:14px;background:linear-gradient(90deg,#f0f4fb,#f7f1ff);margin-bottom:15px}.mock-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mock-card{min-height:106px;border-radius:16px;background:linear-gradient(145deg,#edf5ff,#f4efff);border:1px solid #e0e8f6;padding:15px}.mock-card:nth-child(2){background:linear-gradient(145deg,#fff3f8,#fff8ec)}.mock-card:nth-child(3){background:linear-gradient(145deg,#ecfbf6,#eef7ff)}.mock-card:nth-child(4){background:linear-gradient(145deg,#fff7e9,#f3efff)}.mock-card b{display:block;margin-top:25px;color:#3d4c67}
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}.stats-strip div{padding:14px;border-radius:16px;background:rgba(255,255,255,.85);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.stats-strip strong{display:block;font-size:1.22rem;color:var(--navy)}.stats-strip span{font-size:.78rem;color:var(--muted)}

.section{padding:76px 0}.section.alt{background:linear-gradient(180deg,#f0f5ff,#f7f9ff);border-block:1px solid #e8edf7}.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:30px}.section-head h2,.page-title h1{font-size:clamp(1.9rem,4vw,3.05rem);letter-spacing:-.035em;margin:0;color:var(--navy-deep)}.section-head p,.page-title p{color:var(--muted);margin:8px 0 0}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.category-card,.tool-card,.panel,.auth-card,.stat-card{background:var(--card);border:1px solid rgba(220,228,241,.95);border-radius:22px;box-shadow:var(--shadow-sm);backdrop-filter:blur(10px)}
.category-card{position:relative;overflow:hidden;padding:24px;transition:.2s ease}
.category-card:after{content:"";position:absolute;width:90px;height:90px;border-radius:999px;right:-30px;top:-30px;background:linear-gradient(135deg,rgba(79,124,255,.11),rgba(138,100,246,.08))}
.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfdbf1}
.category-card .category-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:16px;font-size:1.7rem;background:linear-gradient(145deg,#edf4ff,#f3edff)}
.category-card h3{margin:13px 0 6px}.category-card p{color:var(--muted);margin:0}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tool-card{position:relative;overflow:hidden;padding:21px;transition:.22s transform,.22s box-shadow,.22s border-color;background:linear-gradient(165deg,rgba(255,255,255,.98),rgba(248,250,255,.94))}
.tool-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--blue),var(--violet),var(--pink));opacity:0;transition:opacity .2s}
.tool-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#c9d8f2}.tool-card:hover:before{opacity:1}.tool-card.is-disabled{opacity:.68;cursor:not-allowed;filter:saturate(.65)}
.tool-card-top{display:flex;align-items:center;gap:8px}.tool-icon{display:grid;place-items:center;width:49px;height:49px;border-radius:16px;background:linear-gradient(145deg,#eaf3ff,#f1eaff);color:#4d62a3;font-size:1.03rem;font-weight:900;margin-right:auto;box-shadow:inset 0 0 0 1px rgba(79,124,255,.07)}
.tool-card:nth-child(4n+2) .tool-icon{background:linear-gradient(145deg,#fff0f7,#fff5e9);color:#b45a80}.tool-card:nth-child(4n+3) .tool-icon{background:linear-gradient(145deg,#eafbf5,#eef5ff);color:#24886e}.tool-card:nth-child(4n+4) .tool-icon{background:linear-gradient(145deg,#fff6e7,#f2edff);color:#916742}
.pill.featured{background:#e7f8f2;color:#128268}.pill.soon{background:#fff4d8;color:#96640b}.tool-card h3{margin:17px 0 7px;color:#2e3b54}.tool-card p{color:var(--muted);font-size:.94rem;min-height:72px}.tool-category{display:inline-flex;color:#456ee2;background:#edf3ff;border-radius:999px;padding:4px 9px;font-size:.76rem;font-weight:850}
.search-shell{position:relative;max-width:760px}.search-shell input{padding-left:48px;background:rgba(255,255,255,.94);box-shadow:var(--shadow-sm)}.search-shell span{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:#8995aa}

.page-hero{position:relative;overflow:hidden;padding:58px 0 34px;background:linear-gradient(180deg,#fff,#f6f8ff);border-bottom:1px solid #edf0f7}.page-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:999px;right:-80px;top:-130px;background:linear-gradient(135deg,rgba(79,124,255,.12),rgba(240,141,182,.11))}.page-title{position:relative;z-index:1;max-width:820px}
.panel{padding:26px}.narrow{max-width:780px;margin-inline:auto}.two-col{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);gap:24px}.form-stack{display:grid;gap:17px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
label{display:grid;gap:7px;font-weight:750;color:#3d4b64}
input,select,textarea{width:100%;border:1px solid #ced8e8;border-radius:14px;padding:12px 14px;background:rgba(255,255,255,.96);color:var(--text);font:inherit;box-shadow:inset 0 1px 2px rgba(33,49,81,.025);transition:border-color .18s,box-shadow .18s,background .18s}
textarea{resize:vertical;line-height:1.62}.form-stack textarea{font-family:inherit}
input:hover,select:hover,textarea:hover{border-color:#b9c8df}input:focus,select:focus,textarea:focus{outline:none;border-color:#7093f2;background:#fff;box-shadow:0 0 0 4px rgba(79,124,255,.12)}
.help{color:var(--muted);font-size:.85rem}.result-box{white-space:pre-wrap;background:linear-gradient(145deg,#f5f8fd,#faf8ff);border:1px solid var(--line);border-radius:18px;padding:21px;min-height:120px}
.alert{padding:14px 16px;border-radius:14px;border:1px solid transparent;box-shadow:0 6px 18px rgba(35,53,88,.04)}.alert.success{background:#eaf9f4;color:var(--success);border-color:#c4ebdf}.alert.error{background:#fff0f2;color:var(--danger);border-color:#f0c9d0}.alert.warning{background:#fff7df;color:var(--warning);border-color:#eedca6}.flash-stack{padding-top:18px}.flash-stack .alert+.alert{margin-top:8px}

.auth-wrap{position:relative;padding:72px 0}.auth-wrap:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 25% 25%,rgba(79,124,255,.1),transparent 25rem),radial-gradient(circle at 80% 70%,rgba(240,141,182,.1),transparent 24rem)}
.auth-card{max-width:540px;margin:auto;padding:34px;border-radius:28px;box-shadow:var(--shadow)}.auth-card h1{font-size:2.05rem;margin:0 0 7px;color:var(--navy-deep)}
.social-stack{display:grid;gap:11px;margin:22px 0}.social-btn{display:flex;align-items:center;justify-content:center;padding:13px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:820;transition:.18s ease}.social-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.social-btn.google{color:#304058}.social-btn.facebook{background:linear-gradient(135deg,#1877f2,#2667d8);color:#fff;border-color:#1877f2}.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.85rem;margin:20px 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{position:relative;overflow:hidden;padding:21px}.stat-card:after{content:"";position:absolute;width:80px;height:80px;border-radius:999px;right:-25px;bottom:-30px;background:linear-gradient(135deg,rgba(79,124,255,.12),rgba(138,100,246,.08))}.stat-card strong{font-size:2rem;display:block;color:var(--navy)}.stat-card span{color:var(--muted)}
.table-wrap{overflow:auto;border-radius:16px}.data-table{width:100%;border-collapse:collapse;background:#fff}.data-table th,.data-table td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.data-table th{background:#f7f9fd;font-size:.8rem;color:#76839a;text-transform:uppercase;letter-spacing:.05em}.data-table tr:hover td{background:#fafbff}.status{display:inline-flex;padding:5px 10px;border-radius:999px;font-size:.76rem;font-weight:850}.status.active,.status.completed{background:#e6f8f1;color:#147c65}.status.coming_soon,.status.processing{background:#fff4d8;color:#91620a}.status.disabled,.status.failed{background:#fff0f2;color:#b63a50}

.site-footer{position:relative;overflow:hidden;background:linear-gradient(145deg,var(--navy-deep),#293a59);color:#dce6f6;margin-top:68px;padding:54px 0 22px}.site-footer:after{content:"";position:absolute;width:300px;height:300px;border-radius:999px;right:-130px;top:-170px;background:rgba(138,100,246,.13)}.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}.footer-grid h3{color:#fff;margin-top:0}.footer-grid p{color:#aebdd2}.footer-grid a{display:block;color:#c0cee1;margin:9px 0}.footer-grid a:hover{color:#fff}.footer-brand{color:#fff}.footer-bottom{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:19px;color:#98abc4;font-size:.88rem}

.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.button{padding:11px 17px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;text-decoration:none;font-weight:800}.button.secondary{background:#eef2ff;color:#3657aa;box-shadow:none}

@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr}.category-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:repeat(2,1fr)}.hero-panel{max-width:680px}.main-nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:3px}.main-nav.is-open{display:flex}.main-nav>a{padding:12px 14px}.nav-toggle{display:block}
}
@media(max-width:680px){
  .container{width:min(100% - 24px,1180px)}.nav-shell{min-height:70px}.brand-mark{width:42px;height:42px}.brand{font-size:1.2rem}.hero{padding:62px 0 44px}.hero h1{font-size:clamp(2.25rem,12vw,3.35rem)}.hero-actions .btn{width:100%}.stats-strip,.category-grid,.tool-grid,.dashboard-grid,.form-grid,.footer-grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}.section{padding:52px 0}.section-head{align-items:start;flex-direction:column}.tool-card p{min-height:auto}.auth-wrap{padding:44px 0}.auth-card{padding:24px;border-radius:22px}.panel{padding:20px}.page-hero{padding:42px 0 26px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* EducTools Bright Color Theme v2.3 */
:root{
  --navy:#172554;
  --navy-deep:#101b45;
  --blue:#1677ff;
  --blue-dark:#005bea;
  --violet:#7c3cff;
  --pink:#ff3d9a;
  --peach:#ff8a34;
  --mint:#00c995;
  --sky:#e7f4ff;
  --lavender:#f1e8ff;
  --cream:#fff7d8;
  --bg:#f4f8ff;
  --text:#1e2a4a;
  --muted:#5f6f8e;
  --line:#d8e4f5;
  --line-strong:#bdd1ec;
  --shadow-sm:0 10px 26px rgba(22,119,255,.11);
  --shadow:0 20px 48px rgba(79,75,190,.17);
  --shadow-lg:0 30px 72px rgba(71,57,176,.22);
}
body{background:
  radial-gradient(circle at 3% 6%,rgba(22,119,255,.18),transparent 25rem),
  radial-gradient(circle at 97% 15%,rgba(255,61,154,.16),transparent 24rem),
  radial-gradient(circle at 50% 95%,rgba(0,201,149,.11),transparent 24rem),
  var(--bg)}
::selection{background:#b8dcff;color:#101b45}
.site-header{background:rgba(255,255,255,.9);border-bottom:1px solid rgba(173,199,235,.82);box-shadow:0 8px 28px rgba(30,68,130,.08)}
.brand strong{color:var(--blue)}
.brand-mark{background:linear-gradient(140deg,#00b7ff 0%,#1677ff 34%,#7c3cff 67%,#ff3d9a 100%);box-shadow:0 13px 30px rgba(64,74,224,.36)}
.main-nav>a:hover{color:#005bea;background:linear-gradient(135deg,#e7f4ff,#f3eaff)}
.nav-cta,.btn,button,.button{background:linear-gradient(135deg,#00a8ff 0%,#1677ff 35%,#7c3cff 70%,#ff3d9a 115%);box-shadow:0 12px 28px rgba(75,68,222,.3)}
.nav-cta:hover,.btn:hover,button:hover,.button:hover{background:linear-gradient(135deg,#0097f4,#005bea 38%,#6c2ef0 72%,#f12b89 115%);box-shadow:0 17px 34px rgba(78,54,210,.36)}
.btn.secondary,button.secondary,.button.secondary{background:linear-gradient(135deg,#e4f3ff,#efe8ff);color:#174aa8;border:1px solid #c9dbf5}
.btn.outline{background:#fff;color:#24416f;border:1px solid #bcd0ec}
.hero{background:
  radial-gradient(circle at 84% 10%,rgba(124,60,255,.26),transparent 28%),
  radial-gradient(circle at 10% 20%,rgba(0,168,255,.24),transparent 30%),
  radial-gradient(circle at 75% 88%,rgba(0,201,149,.18),transparent 23%),
  linear-gradient(180deg,#ffffff 0%,#eef6ff 100%)}
.hero:before{background:linear-gradient(135deg,#a8dfff,#cdb5ff,#ffb8d8)}
.hero:after{background:linear-gradient(135deg,#8fd0ff,#9ff2d9,#ffe68a)}
.eyebrow{background:linear-gradient(135deg,#e6f4ff,#eee7ff);color:#155bd7;border-color:#b9d5ff;box-shadow:0 7px 18px rgba(22,119,255,.14)}
.hero h1 span{background:linear-gradient(90deg,#0077ff 0%,#6f35f2 52%,#ff2f91 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-panel:before{background:linear-gradient(135deg,rgba(0,168,255,.24),rgba(124,60,255,.22),rgba(255,61,154,.2))}
.mock-search{background:linear-gradient(90deg,#dff1ff,#eee6ff,#ffe8f4)}
.mock-card{background:linear-gradient(145deg,#dff1ff,#eee7ff);border-color:#c8dbf6}
.mock-card:nth-child(2){background:linear-gradient(145deg,#ffe2f0,#fff1c8)}
.mock-card:nth-child(3){background:linear-gradient(145deg,#d9fbef,#e1f2ff)}
.mock-card:nth-child(4){background:linear-gradient(145deg,#fff0bd,#eadfff)}
.section.alt{background:linear-gradient(180deg,#eaf5ff,#f4efff 50%,#f1fbf7);border-color:#d7e7f8}
.category-card,.tool-card,.panel,.auth-card,.stat-card{border-color:rgba(200,217,241,.95);box-shadow:var(--shadow-sm)}
.category-card:hover,.tool-card:hover{border-color:#9bbfec;box-shadow:var(--shadow)}
.category-card .category-icon{background:linear-gradient(145deg,#d8efff,#e9ddff);box-shadow:0 8px 20px rgba(54,93,201,.13)}
.tool-card:before{height:5px;background:linear-gradient(90deg,#00a8ff,#1677ff,#7c3cff,#ff3d9a,#ff9b2f)}
.tool-icon{background:linear-gradient(145deg,#d9efff,#e8ddff);color:#244fc1;box-shadow:0 8px 18px rgba(45,75,184,.12)}
.tool-card:nth-child(4n+2) .tool-icon{background:linear-gradient(145deg,#ffdbea,#fff0c8);color:#d22777}
.tool-card:nth-child(4n+3) .tool-icon{background:linear-gradient(145deg,#d6f8ec,#dcecff);color:#008b68}
.tool-card:nth-child(4n+4) .tool-icon{background:linear-gradient(145deg,#ffe9b0,#e8dcff);color:#8650cf}
.pill.featured{background:#d8f8ec;color:#007d5d}.pill.soon{background:#fff0bd;color:#9a5b00}.tool-category{color:#075ed1;background:#dcecff}
.page-hero{background:linear-gradient(180deg,#fff,#edf6ff 55%,#f4efff)}
input:focus,select:focus,textarea:focus{border-color:#3b8cff;box-shadow:0 0 0 4px rgba(22,119,255,.16)}
.result-box{background:linear-gradient(145deg,#eef7ff,#f6f0ff,#fff7fb)}
.alert.success{background:#dcf9ee;border-color:#aee9d4;color:#007b5a}.alert.error{background:#ffe4eb;border-color:#f7b7c8;color:#b82450}.alert.warning{background:#fff1c7;border-color:#f3d47e;color:#8a5700}
.auth-wrap:before{background:radial-gradient(circle at 20% 25%,rgba(0,168,255,.18),transparent 25rem),radial-gradient(circle at 82% 72%,rgba(255,61,154,.17),transparent 24rem)}
.social-btn.facebook{background:linear-gradient(135deg,#1877f2,#0a59d8);box-shadow:0 10px 24px rgba(24,119,242,.22)}
.stat-card:nth-child(4n+1){background:linear-gradient(145deg,#fff,#e8f4ff)}
.stat-card:nth-child(4n+2){background:linear-gradient(145deg,#fff,#f0e9ff)}
.stat-card:nth-child(4n+3){background:linear-gradient(145deg,#fff,#e3faf2)}
.stat-card:nth-child(4n+4){background:linear-gradient(145deg,#fff,#fff2d8)}
.site-footer{background:linear-gradient(145deg,#101b45 0%,#153f79 48%,#542ca0 100%)}
.site-footer:after{background:rgba(255,61,154,.2)}

/* OMR Scanner */
.answer-key-grid{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:10px;margin:16px 0 24px}.answer-key-item{display:flex;align-items:center;gap:7px;padding:10px;border:1px solid var(--border,#dbe4ff);border-radius:14px;background:#fff}.answer-key-item strong{min-width:24px;color:#4f46e5}.answer-key-item label{display:flex;gap:3px;align-items:center;margin:0}.upload-panel{max-width:720px;margin:auto}.result-bubbles{display:grid;grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:10px;margin:16px 0}.result-item{padding:12px;border-radius:14px;display:grid;gap:3px;border:1px solid #ddd}.result-item.ok{background:#ecfdf5;border-color:#86efac}.result-item.bad{background:#fff1f2;border-color:#fda4af}.result-item strong{font-size:1.1rem}.result-item small{color:#64748b}@media(max-width:800px){.answer-key-grid{grid-template-columns:repeat(2,minmax(140px,1fr))}}


/* Membership & promotion */
.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}.pricing-card{position:relative;background:#fff;border:2px solid #dbe7ff;border-radius:28px;padding:30px;box-shadow:0 18px 55px rgba(65,84,180,.12);display:flex;flex-direction:column}.pricing-card.popular{border-color:#7c4dff;transform:translateY(-8px);box-shadow:0 24px 65px rgba(124,77,255,.24)}.pricing-badge{position:absolute;top:-14px;right:24px;background:linear-gradient(90deg,#11a8ff,#7c3cff,#ec3ecb);color:#fff;padding:8px 16px;border-radius:999px;font-weight:800}.price-row{display:flex;align-items:flex-end;gap:8px;margin:20px 0 4px}.price-row strong{font-size:52px;line-height:1;color:#1c2a55}.price-row span{color:#667085;margin-bottom:8px}.annual-price{font-weight:800;color:#7c3cff}.feature-list{padding:0;list-style:none;display:grid;gap:11px;margin:24px 0;flex:1}.feature-list li:before{content:"✓";font-weight:900;color:#02a77a;margin-right:9px}.full{width:100%;text-align:center}.billing-note{background:#ecfbff;border:1px solid #9fe4ff;border-radius:18px;padding:14px 18px;text-align:center;margin-bottom:26px;font-weight:800}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.narrow{max-width:760px}.order-summary{background:#f6f8ff;border-radius:18px;padding:18px}.order-summary>div{display:flex;justify-content:space-between;padding:8px 0}.order-summary .grand-total{border-top:2px solid #dce3ff;margin-top:8px;padding-top:15px;font-size:1.25rem}.payment-total{font-size:44px;font-weight:900;color:#5b35e8}.bank-box{background:#f2fffb;border:1px solid #a7edd9;border-radius:18px;padding:18px;line-height:1.9}.payment-qr{max-width:280px;width:100%;display:block;margin:18px auto;border-radius:18px}.detail-list{display:grid;grid-template-columns:160px 1fr;gap:10px 18px}.detail-list dt{font-weight:800;color:#475467}.detail-list dd{margin:0}.order-status{display:inline-block;border-radius:999px;padding:9px 16px;font-weight:900;margin-bottom:18px}.status-paid,.subscription-active{color:#087a59;background:#dffbef}.status-reviewing{color:#8a5a00;background:#fff2c9}.status-rejected{color:#b42318;background:#fee4e2}.status-pending{color:#3448a5;background:#e7ecff}.success-text{color:#087a59;font-weight:800}.checkbox-row{display:flex;flex-wrap:wrap;gap:18px}.checkbox-row label{display:flex;align-items:center;gap:7px}.btn.danger{background:#d92d20}.btn.small{padding:8px 12px;font-size:.9rem}
@media(max-width:900px){.pricing-grid,.two-col{grid-template-columns:1fr}.pricing-card.popular{transform:none}}

/* EducTools AI Member Usage Report v4.1.1 */
.report-toolbar{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.report-filter-panel{margin-bottom:24px}
.report-filter-grid{display:grid;grid-template-columns:1fr 1.6fr 1.1fr 1.2fr .8fr;gap:14px;align-items:end}
.report-filter-actions{margin-top:18px}
.report-heading-row{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:28px 0 16px}
.report-heading-row h2{margin:0;color:var(--navy-deep);font-size:1.55rem}
.report-heading-row p{margin:5px 0 0}
.report-count{display:inline-flex;align-items:center;padding:8px 13px;border-radius:999px;background:#edf3ff;color:#365fc8;font-weight:850;white-space:nowrap}
.report-kpi-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px;margin-bottom:22px}
.report-kpi-grid .stat-card small{display:block;color:var(--muted);font-size:.78rem;margin-top:6px}
.report-table-panel{padding:0;overflow:hidden}
.report-table{min-width:1120px}
.report-table th.num,.report-table td.num{text-align:right}
.report-table td.num strong{white-space:nowrap}
.user-identity{display:grid;gap:2px;min-width:180px}
.user-identity strong{color:var(--navy-deep)}
.user-identity small,.table-note{display:block;color:var(--muted);font-size:.78rem;margin-top:3px;line-height:1.45}
.plan-chip{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef3ff;color:#3657aa;font-size:.78rem;font-weight:850;white-space:nowrap}
.credit-line{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:150px;font-size:.82rem}
.credit-line span{color:var(--muted);white-space:nowrap}
.usage-progress{height:8px;border-radius:999px;background:#e9eef8;overflow:hidden;margin-top:7px}
.usage-progress>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--mint),var(--blue),var(--violet));transition:width .2s ease}
.cost-risk{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:.76rem;font-weight:900;white-space:nowrap}
.cost-risk.healthy,.risk-text.healthy{background:#e6f8f1;color:#147c65}
.cost-risk.watch,.risk-text.watch{background:#fff4d8;color:#91620a}
.cost-risk.high,.risk-text.high{background:#fff0f2;color:#b63a50}
.cost-risk.neutral,.risk-text.neutral{background:#eef2f8;color:#667085}
.risk-text{display:inline-block;border-radius:999px;padding:3px 8px;font-size:.75rem;font-weight:850}
.nowrap{white-space:nowrap}
.empty-state{text-align:center!important;color:var(--muted);padding:34px!important}
.pagination{display:flex;align-items:center;justify-content:center;gap:14px;padding:18px;border-top:1px solid var(--line);background:#fafbff}
.pagination a{display:inline-flex;padding:8px 13px;border-radius:11px;background:#edf2ff;color:#3657aa;font-weight:800}
.pagination span{color:var(--muted);font-size:.88rem}
.member-detail-section{scroll-margin-top:100px;margin-top:28px}
.member-detail-card{border:2px solid #d9e5ff;box-shadow:0 22px 55px rgba(61,84,145,.13)}
.member-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}
.member-detail-header h2{font-size:1.8rem;margin:12px 0 4px;color:var(--navy-deep)}
.member-detail-header p{margin:0;color:var(--muted)}
.detail-kpi-grid{margin-bottom:20px}
.model-breakdown-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 22px}
.model-breakdown-card{display:grid;gap:4px;padding:15px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#fff,#f7f9ff)}
.model-breakdown-card strong{color:var(--navy-deep)}
.model-breakdown-card span{color:#4e5f7b;font-size:.88rem}
.model-breakdown-card small{color:var(--muted)}
.detail-filter-row{display:grid;grid-template-columns:minmax(180px,.8fr) minmax(220px,1.2fr) auto;gap:12px;align-items:end;margin:18px 0}
.detail-table{min-width:1050px}
.error-detail{margin-top:7px;max-width:320px}
.error-detail summary{cursor:pointer;color:var(--danger);font-size:.78rem;font-weight:800}
.error-detail p{padding:8px 10px;margin:6px 0 0;border-radius:10px;background:#fff3f4;color:#8f3342;font-size:.78rem;white-space:normal;overflow-wrap:anywhere}
.report-note-panel{margin-top:22px;background:linear-gradient(145deg,#f8fbff,#fffaf2)}
.report-note-panel h2{margin-top:0}
.button.small{padding:8px 12px;font-size:.84rem;white-space:nowrap}

@media(max-width:1100px){
  .report-filter-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .report-kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .model-breakdown-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .report-toolbar{justify-content:stretch}.report-toolbar .btn{flex:1}
  .report-filter-grid,.report-kpi-grid,.model-breakdown-grid,.detail-filter-row{grid-template-columns:1fr}
  .report-heading-row,.member-detail-header{align-items:stretch;flex-direction:column}
  .member-detail-header .actions .btn{flex:1}
  .pagination{flex-wrap:wrap}
}

/* EducTools AI Result Actions v4.1.3 */
.ai-result-wrap{scroll-margin-top:90px}
.ai-result-panel{overflow:hidden}
.ai-result-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}
.ai-result-header h2{margin:.25rem 0 .35rem}
.ai-result-status{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:8px 12px;font-size:.82rem;font-weight:850;white-space:nowrap}
.ai-result-status.is-saved{background:#e8f8ef;color:#137244;border:1px solid #bfe8d0}
.ai-result-status.is-unsaved{background:#fff4df;color:#945e00;border:1px solid #f2d29a}
.ai-result-actions,.document-action-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 18px}
.ai-result-actions .button,.ai-result-actions button,.document-action-bar .button,.document-action-bar button{padding:10px 14px;font-size:.9rem}
.ai-result-content{font-size:1rem;line-height:1.75;overflow-wrap:anywhere;max-height:none}
.ai-result-content:focus{outline:3px solid rgba(72,108,255,.2);outline-offset:3px}
.ai-result-footer{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem}
.ai-result-footer a{font-weight:800;white-space:nowrap}
.document-action-bar{position:sticky;bottom:12px;z-index:5;padding:12px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 12px 34px rgba(26,52,102,.14);backdrop-filter:blur(10px)}
@media (max-width:760px){
  .ai-result-header,.ai-result-footer{align-items:flex-start;flex-direction:column}
  .ai-result-actions,.document-action-bar{display:grid;grid-template-columns:1fr 1fr;width:100%}
  .ai-result-actions .button,.ai-result-actions button,.document-action-bar .button,.document-action-bar button{width:100%;min-width:0;text-align:center}
}
@media (max-width:440px){
  .ai-result-actions,.document-action-bar{grid-template-columns:1fr}
}

/* EducTools 4 Studio Structure v4.2.0 */
.studio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.studio-card,.studio-tab-card,.studio-banner{background:var(--card);border:1px solid rgba(220,228,241,.95);border-radius:22px;box-shadow:var(--shadow-sm)}
.studio-card{display:block;padding:24px;transition:.22s ease;position:relative;overflow:hidden}
.studio-card:after{content:"";position:absolute;right:-25px;top:-25px;width:100px;height:100px;border-radius:999px;background:linear-gradient(135deg,rgba(79,124,255,.1),rgba(138,100,246,.08))}
.studio-card:hover,.studio-card.active{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d8f2}
.studio-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.studio-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:18px;background:linear-gradient(145deg,#eaf3ff,#f1eaff);font-size:1.5rem;box-shadow:inset 0 0 0 1px rgba(79,124,255,.07)}
.studio-card h3{margin:8px 0 8px;color:var(--navy-deep)}
.studio-card p{margin:0;color:var(--muted)}
.studio-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.studio-meta span,.studio-highlight{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:800;background:#eef3ff;color:#3657aa}
.studio-highlight{margin-top:14px;background:#ecfbff;color:#1f5ea8}
.studio-section-tight{padding-bottom:24px}
.studio-tab-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.studio-tab-card{display:flex;align-items:center;gap:12px;padding:16px 18px;transition:.2s ease}
.studio-tab-card strong{display:block;color:var(--navy-deep)}
.studio-tab-card small{display:block;color:var(--muted);line-height:1.45}
.studio-tab-card:hover,.studio-tab-card.active{border-color:#b8ccf1;box-shadow:var(--shadow-sm);background:#fbfdff}
.studio-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px;margin:0 0 22px}
.studio-banner h3{margin:12px 0 6px;font-size:1.35rem;color:var(--navy-deep)}
.toolbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.stack-mobile{align-items:center}

@media(max-width:1100px){
  .studio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .studio-tab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .studio-grid,.studio-tab-grid{grid-template-columns:1fr}
  .studio-banner{flex-direction:column}
}

/* =========================================================
   EducTools Complete 4 Studios Structure v4.3.0
   ========================================================= */
.nav-dropdown{position:relative}
.nav-dropdown>a{display:flex;align-items:center;gap:5px;padding:10px 12px;border-radius:12px}
.nav-dropdown:hover>a,.nav-dropdown:focus-within>a{color:var(--blue-dark);background:#f1f5ff}
.nav-dropdown-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);width:340px;padding:10px;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}
.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.nav-dropdown-menu>a{display:flex!important;align-items:center;gap:12px;padding:11px 12px!important;border-radius:13px}
.nav-dropdown-menu>a>span:first-child{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#edf3ff;font-size:1.1rem;flex:0 0 auto}
.nav-dropdown-menu strong,.nav-dropdown-menu small{display:block}.nav-dropdown-menu small{color:var(--muted);font-size:.72rem;font-weight:600;margin-top:1px}
.mock-card small{display:block;margin-top:4px;color:var(--muted);font-size:.7rem}
.studio-home-section{background:linear-gradient(180deg,#fff,#f7f9ff)}
.studio-grid-detailed .studio-card{min-height:390px;display:flex;flex-direction:column}
.studio-card-link{position:absolute;inset:0;z-index:1}
.studio-card h2{font-size:1.45rem;margin:8px 0;color:var(--navy-deep)}
.studio-enter{display:inline-flex;margin-top:auto;padding-top:22px;font-weight:850;color:var(--blue-dark)}
.studio-card.studio-text:before,.studio-banner.studio-text:before{background:linear-gradient(90deg,#3b82f6,#8b5cf6)}
.studio-card.studio-image:before,.studio-banner.studio-image:before{background:linear-gradient(90deg,#ec4899,#f59e0b)}
.studio-card.studio-document:before,.studio-banner.studio-document:before{background:linear-gradient(90deg,#14b8a6,#3b82f6)}
.studio-card.studio-game:before,.studio-banner.studio-game:before{background:linear-gradient(90deg,#8b5cf6,#ef4444)}
.studio-card.studio-score:before,.studio-banner.studio-score:before{background:linear-gradient(90deg,#e85d9e,#7c5cff,#29a5df)}
.studio-card:before,.studio-banner:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--blue),var(--violet),var(--pink))}
.studio-card>*:not(.studio-card-link){position:relative;z-index:2;pointer-events:none}
.studio-card .studio-meta,.studio-card .studio-highlight{pointer-events:none}
.studio-hub-hero{padding-bottom:54px}.studio-hub-stats{max-width:850px;margin-top:26px}
.workflow-panel{display:grid;grid-template-columns:.82fr 1.18fr;gap:36px;align-items:center;padding:34px}
.workflow-panel h2{font-size:2rem;margin:12px 0}.workflow-panel p{color:var(--muted)}
.workflow-steps{display:flex;align-items:center;justify-content:center;gap:10px}.workflow-steps>div{min-width:128px;text-align:center;padding:17px 12px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}.workflow-steps>div span{display:grid;place-items:center;width:32px;height:32px;margin:0 auto 8px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;font-weight:900}.workflow-steps strong,.workflow-steps small{display:block}.workflow-steps small{color:var(--muted);font-size:.72rem}.workflow-steps i{font-style:normal;color:#9aa8bd;font-size:1.3rem}
.use-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.use-case-number{display:inline-flex;color:var(--blue);font-weight:900;font-size:1.4rem}.use-case-grid h3{margin:8px 0}.use-case-grid p{color:var(--muted);margin:0}
.studio-hero{position:relative;overflow:hidden;padding:70px 0;background:linear-gradient(145deg,#eef5ff,#f6f0ff 60%,#fff8fb);border-bottom:1px solid var(--line)}
.studio-hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:999px;right:-180px;top:-220px;background:rgba(79,124,255,.12)}
.studio-hero.studio-image{background:linear-gradient(145deg,#fff0f7,#fff8ec 60%,#f6efff)}.studio-hero.studio-document{background:linear-gradient(145deg,#ecfbf6,#eef7ff 60%,#f7f4ff)}.studio-hero.studio-game{background:linear-gradient(145deg,#f2eeff,#fff0f4 60%,#fff8e9)}
.studio-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center}.studio-hero h1{font-size:clamp(2.4rem,5vw,4.4rem);margin:16px 0}.studio-hero p{font-size:1.08rem;color:#5d6b84;max-width:720px}.studio-hero-icon{display:inline-grid;place-items:center;width:72px;height:72px;border-radius:24px;background:rgba(255,255,255,.75);box-shadow:var(--shadow-sm);font-size:2.4rem;vertical-align:middle}
.studio-breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.82rem;margin-bottom:18px}.studio-breadcrumb a:hover{color:var(--blue)}
.studio-hero-summary{padding:28px;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.72);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(15px)}.studio-hero-large-icon{display:grid;place-items:center;width:90px;height:90px;border-radius:28px;background:linear-gradient(145deg,#fff,#edf3ff);font-size:3rem;margin-bottom:18px}.studio-hero-summary>strong{font-size:1.25rem;color:var(--navy-deep)}
.studio-summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}.studio-summary-stats div{padding:12px 8px;text-align:center;background:#f7f9ff;border-radius:14px}.studio-summary-stats b,.studio-summary-stats span{display:block}.studio-summary-stats b{font-size:1.3rem}.studio-summary-stats span{font-size:.7rem;color:var(--muted)}
.studio-search{min-width:320px}.empty-studio{text-align:center;padding:42px}.studio-cross-links{border-top:1px solid var(--line);padding-top:50px}.studio-tab-grid-four{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.tool-card-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:auto}.tool-card{display:flex;flex-direction:column;min-height:245px}.tool-card p{flex:1}.tool-open{font-size:.78rem;font-weight:850;color:var(--blue-dark)}
.tool-filter-panel{padding:20px;margin-bottom:24px}.tool-filter-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr auto;gap:13px;align-items:end}.tool-filter-panel label>span,.admin-tool-filter label>span,.admin-studio-card label>span,.admin-tool-card label>span{display:block;margin-bottom:6px;font-size:.8rem;font-weight:800;color:#59677e}.tool-filter-actions{padding-bottom:1px}
.account-studio-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.account-studio-card{display:flex;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm);transition:.18s ease}.account-studio-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.account-studio-card>div{flex:1}.account-studio-card strong,.account-studio-card small{display:block}.account-studio-card small{color:var(--muted);font-size:.72rem}
.admin-studio-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.admin-studio-card{position:relative;overflow:hidden;display:grid;gap:14px}.admin-studio-card .studio-top strong,.admin-studio-card .studio-top small{display:block}.admin-studio-card .studio-top small{color:var(--muted)}.admin-inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}button:disabled{opacity:.55;cursor:not-allowed;transform:none!important}
.admin-tool-filter{padding:20px}.admin-tool-filter-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr auto;gap:12px;align-items:end}.admin-filter-actions{display:flex;gap:8px}.admin-tool-list{display:grid;gap:18px}.admin-tool-card{padding:22px}.admin-tool-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}.admin-tool-title>div{flex:1}.admin-tool-title strong,.admin-tool-title small{display:block}.admin-tool-title small{color:var(--muted)}.admin-tool-edit-grid{display:grid;grid-template-columns:2fr .5fr 1.2fr 1.2fr;gap:12px}.admin-tool-edit-grid .wide{grid-column:span 3}.admin-tool-options{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:17px;padding-top:16px;border-top:1px solid var(--line)}.admin-tool-options label{display:flex;align-items:center;gap:7px}.admin-tool-options input[type=checkbox]{width:auto}.admin-tool-options button{margin-left:auto}

@media(max-width:1100px){.workflow-panel,.studio-hero-grid{grid-template-columns:1fr}.workflow-steps{justify-content:flex-start;overflow-x:auto;padding-bottom:8px}.tool-filter-grid,.admin-tool-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-tool-edit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-tool-edit-grid .wide{grid-column:span 2}.account-studio-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-tab-grid-four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.nav-dropdown{width:100%}.nav-dropdown>a{justify-content:space-between}.nav-dropdown-menu{position:static;transform:none!important;width:100%;opacity:1;visibility:visible;pointer-events:auto;display:none;margin-top:4px;box-shadow:none;background:#f7f9ff}.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{display:block}.use-case-grid,.admin-studio-grid{grid-template-columns:1fr}.studio-search{min-width:0;width:100%}.section-head{align-items:flex-start}.tool-filter-grid,.admin-tool-filter-grid{grid-template-columns:1fr}.admin-filter-actions{justify-content:flex-start}}
@media(max-width:600px){.account-studio-grid,.studio-tab-grid-four{grid-template-columns:1fr}.workflow-panel{padding:24px}.workflow-steps i{display:none}.studio-summary-stats{grid-template-columns:1fr}.admin-tool-edit-grid{grid-template-columns:1fr}.admin-tool-edit-grid .wide{grid-column:span 1}.admin-inline-fields{grid-template-columns:1fr}.admin-tool-options button{margin-left:0;width:100%}}

/* EducTools Lucide Studio Icons v4.3.1 */
.studio-icon-render{display:inline-grid;place-items:center;flex:0 0 auto;color:inherit;line-height:1}
.studio-icon-render svg{display:block;width:1em;height:1em;stroke:currentColor;stroke-width:2;fill:none}
.studio-icon-render .icon-fallback{display:inline-block;line-height:1}
.studio-icon-render svg + .icon-fallback{display:none}
.studio-icon-render.emoji-icon-wrap>span{display:block;line-height:1}
.studio-icon.studio-icon-render{font-size:1.55rem}
.studio-hero-icon.studio-icon-render{display:inline-grid;vertical-align:-.13em;font-size:.86em;margin-right:.12em}
.studio-hero-large-icon.studio-icon-render{font-size:4.5rem}
.nav-studio-icon.studio-icon-render{width:34px;height:34px;border-radius:11px;background:#edf3ff;color:#3d63cb;font-size:1.15rem}
.footer-studio-icon.studio-icon-render{width:24px;height:24px;margin-right:8px;font-size:1rem;vertical-align:middle}
.site-footer .footer-grid>div:nth-child(2)>a{display:flex;align-items:center;gap:4px}
.admin-icon-preview.studio-icon-render{width:58px;height:58px;border-radius:18px;background:linear-gradient(145deg,#e6f2ff,#efe7ff);font-size:2rem;box-shadow:inset 0 0 0 1px rgba(79,124,255,.1),0 10px 24px rgba(79,124,255,.12)}
.admin-studio-heading{align-items:center}
.admin-studio-heading>div:nth-child(2){display:grid;gap:2px;min-width:0}
.admin-studio-heading>div:nth-child(2) small{color:var(--muted);overflow-wrap:anywhere}
.icon-type-badge{margin-left:auto;padding:5px 9px;border-radius:999px;background:#e9f4ff;color:#315da9;font-size:.72rem;font-weight:900}
.lucide-admin-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}
.lucide-admin-intro h2{margin:12px 0 5px;color:var(--navy-deep)}
.lucide-admin-intro p{margin:0;color:var(--muted)}
.icon-settings-box{padding:16px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#fbfdff,#f7f3ff);margin:4px 0 14px}
.icon-settings-box .help{display:block;margin-top:8px}
.lucide-picker{margin-top:14px}
.lucide-picker[hidden]{display:none}
.lucide-picker summary{cursor:pointer;font-weight:850;color:#3657aa;padding:10px 12px;border-radius:12px;background:#edf3ff;list-style:none}
.lucide-picker summary::-webkit-details-marker{display:none}
.lucide-picker summary:after{content:"⌄";float:right}
.lucide-picker[open] summary:after{content:"⌃"}
.lucide-picker-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:10px;max-height:360px;overflow:auto;padding:3px}
.lucide-choice{display:grid;grid-template-columns:30px minmax(0,1fr);grid-template-rows:auto auto;align-items:center;gap:0 8px;text-align:left;padding:10px;border:1px solid #dce6f5;border-radius:13px;background:#fff;color:var(--text);box-shadow:none;font-weight:700}
.lucide-choice:hover,.lucide-choice.selected{transform:none;border-color:#7198e8;background:#f1f6ff;box-shadow:0 7px 18px rgba(59,92,166,.1)}
.lucide-choice svg{grid-row:1/3;width:24px;height:24px;color:#4d66b4}
.lucide-choice span{font-size:.78rem;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lucide-choice small{font-size:.68rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:760px){
  .lucide-admin-intro{align-items:flex-start;flex-direction:column}
  .lucide-picker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
.mock-studio-icon.studio-icon-render{font-size:1.55rem;color:#4564b7;margin-bottom:22px}
.mock-card .mock-studio-icon + b{margin-top:0}

/* Image library selection v4.5.0 */
.image-job-select{display:inline-flex;align-items:center;gap:7px;font-size:.86rem;font-weight:700;color:#526079}
.image-job-select input{width:18px;height:18px}
.inline-form{display:inline-flex;margin:0}

/* =========================================================
   Payment QR Manager v4.20.3
   ========================================================= */
.payment-admin-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:26px;align-items:start}.payment-settings-form,.payment-qr-admin-card{border:1px solid #e5e7f2;box-shadow:0 22px 60px rgba(64,54,130,.11)}.panel-heading-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:8px}.panel-heading-row h2{margin:4px 0 0}.status-pill{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:7px 12px;font-size:.78rem;font-weight:900;white-space:nowrap}.status-pill.active{background:#ddfaee;color:#087a59}.status-pill.warning{background:#fff2cf;color:#8b5a00}.payment-advanced-setting{border:1px solid #e3e5f1;border-radius:18px;background:#fafaff}.payment-advanced-setting summary{cursor:pointer;padding:15px 17px;font-weight:800;color:#4f426d}.payment-advanced-setting[open] summary{border-bottom:1px solid #e7e8f2}.payment-advanced-fields{padding:17px}.payment-qr-admin-card{display:grid;gap:18px}.payment-qr-preview-shell{display:grid;place-items:center;text-align:center;min-height:320px;border:1px dashed #cfd3e6;border-radius:24px;padding:24px;background:linear-gradient(145deg,#faf8ff,#eefaff)}.payment-qr-preview-shell.has-image{background:radial-gradient(circle at 50% 20%,#ffffff 0,#f5f1ff 48%,#eaf8ff 100%)}.payment-qr-preview-shell p{margin:10px 0 0;color:#667085}.payment-qr-preview-frame{position:relative;display:grid;place-items:center;width:min(100%,300px);aspect-ratio:1;border-radius:24px;background:#fff;padding:18px;border:1px solid #e7e1f7;box-shadow:0 18px 45px rgba(79,55,150,.16)}.payment-qr-preview-frame img{display:block;width:100%;height:100%;object-fit:contain;border-radius:14px}.payment-qr-placeholder-icon{display:grid;place-items:center;width:88px;height:88px;border-radius:28px;background:linear-gradient(135deg,#7658ff,#ed4fa6);color:#fff;font-size:2.8rem;box-shadow:0 15px 35px rgba(118,88,255,.25);margin-bottom:15px}.payment-file-drop,.payment-proof-drop{position:relative;display:grid;place-items:center;text-align:center;gap:7px;border:2px dashed #c8cce0;border-radius:20px;padding:24px;background:#fbfbff;cursor:pointer;transition:.2s ease}.payment-file-drop:hover,.payment-proof-drop:hover{border-color:#7a5cff;background:#f7f3ff;transform:translateY(-1px)}.payment-file-drop input,.payment-proof-drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.payment-file-icon,.payment-proof-upload-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:#ede8ff;color:#6445e8;font-size:1.6rem;font-weight:900}.payment-qr-security-note,.payment-review-note{border-radius:18px;padding:15px 17px;background:#f2fffb;border:1px solid #b8eddd;color:#385a50}.payment-qr-security-note p,.payment-review-note p{margin:5px 0 0}.payment-page-hero{background:linear-gradient(135deg,#f6f3ff 0,#eefaff 55%,#fff6fb 100%)}.payment-page-section{background:linear-gradient(180deg,#fff 0,#f9f8ff 100%)}.payment-page-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.72fr);gap:26px;align-items:start}.payment-main-card,.payment-proof-card{border:1px solid #e7e5f2;box-shadow:0 25px 70px rgba(73,59,138,.12)}.payment-step-badge{display:inline-flex;align-items:center;gap:9px;font-weight:900;color:#4e3c7a;margin-bottom:20px}.payment-step-badge span{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:#6f4ef6;color:#fff;box-shadow:0 8px 20px rgba(111,78,246,.28)}.payment-summary-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.payment-total{font-size:48px;line-height:1;font-weight:950;color:#4328c4;letter-spacing:-1px}.payment-total small{font-size:.36em;color:#7b718c;letter-spacing:0}.payment-order-chip{border-radius:999px;padding:9px 14px;background:#f2efff;color:#5a43b3;font-weight:800;font-size:.86rem}.payment-qr-display-card{position:relative;overflow:hidden;border-radius:28px;padding:26px;background:linear-gradient(145deg,#261b64 0,#5538d2 48%,#ae3cb0 100%);color:#fff;box-shadow:0 25px 55px rgba(76,49,180,.28)}.payment-qr-display-card:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-130px;top:-150px;background:rgba(255,255,255,.1)}.payment-qr-display-card:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;left:-90px;bottom:-100px;background:rgba(104,232,225,.18)}.payment-qr-display-head{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.payment-qr-kicker{font-size:.73rem;letter-spacing:.12em;font-weight:900;color:#dcd5ff}.payment-qr-display-head h2{margin:4px 0 0;color:#fff}.payment-safe-badge{display:inline-flex;border-radius:999px;padding:7px 11px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);font-size:.75rem;font-weight:800;white-space:nowrap}.payment-qr-frame-premium{position:relative;z-index:1;width:min(100%,330px);aspect-ratio:1;margin:24px auto 17px;padding:21px;border-radius:28px;background:#fff;box-shadow:0 20px 55px rgba(14,7,50,.35)}.payment-qr-frame-premium img{display:block;width:100%;height:100%;object-fit:contain;border-radius:16px}.qr-corner{position:absolute;width:28px;height:28px;border-style:solid;border-color:#7655ff}.qr-corner-tl{left:10px;top:10px;border-width:3px 0 0 3px;border-radius:7px 0 0 0}.qr-corner-tr{right:10px;top:10px;border-width:3px 3px 0 0;border-radius:0 7px 0 0}.qr-corner-bl{left:10px;bottom:10px;border-width:0 0 3px 3px;border-radius:0 0 0 7px}.qr-corner-br{right:10px;bottom:10px;border-width:0 3px 3px 0;border-radius:0 0 7px 0}.payment-qr-amount-pill{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(100%,390px);margin:0 auto;border-radius:16px;padding:12px 17px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2)}.payment-qr-amount-pill span{color:#e5ddff}.payment-qr-amount-pill strong{font-size:1.18rem}.payment-verification-note{position:relative;z-index:1;text-align:center;margin:17px auto 0;max-width:520px;color:#f3efff;font-size:.9rem}.payment-qr-empty-state{position:relative;z-index:1;display:grid;place-items:center;text-align:center;min-height:250px;margin-top:20px;border-radius:22px;border:1px dashed rgba(255,255,255,.35);background:rgba(255,255,255,.08)}.payment-qr-empty-state>span{font-size:3rem}.payment-qr-empty-state p{color:#e5dcff}.payment-bank-details{margin-top:22px;border:1px solid #e3e5f0;border-radius:22px;padding:20px;background:#fff}.payment-bank-title{display:flex;align-items:center;gap:13px;padding-bottom:17px;border-bottom:1px solid #ececf3}.payment-bank-title>div{display:grid}.payment-bank-title span:not(.payment-bank-icon){color:#7b718c;font-size:.82rem}.payment-bank-title strong{color:#25203a}.payment-bank-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#dffaf1,#cfeeff);color:#087a59;font-size:1.45rem;font-weight:950}.payment-bank-list{display:grid;gap:0;margin:10px 0 0}.payment-bank-list>div{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid #f0eff5}.payment-bank-list>div:last-child{border-bottom:0}.payment-bank-list dt{font-weight:800;color:#776e86}.payment-bank-list dd{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0;font-weight:900;color:#28213f;word-break:break-word}.copy-payment-value{border:0;border-radius:10px;padding:7px 10px;background:#eee9ff;color:#6046d0;font-weight:800;cursor:pointer;white-space:nowrap}.copy-payment-value:hover{background:#ded5ff}.payment-instruction-strip{display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr;align-items:center;gap:8px;margin-top:20px;border-radius:18px;padding:15px;background:#faf9ff;border:1px solid #eceaf5}.payment-instruction-strip span{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:#e9e3ff;color:#6548d4;font-weight:900}.payment-instruction-strip p{margin:0;font-size:.82rem;color:#665e73}.payment-proof-card{position:sticky;top:95px}.payment-proof-card h2{margin:5px 0 7px}.payment-proof-card>div>p{color:#6f687b}.payment-submit-button{box-shadow:0 14px 30px rgba(92,62,222,.24)}
@media(max-width:980px){.payment-admin-grid,.payment-page-grid{grid-template-columns:1fr}.payment-proof-card{position:static}.payment-qr-admin-card{order:-1}.payment-instruction-strip{grid-template-columns:auto 1fr}.payment-summary-heading{align-items:flex-start}}
@media(max-width:640px){.payment-admin-grid,.payment-page-grid{gap:18px}.panel-heading-row,.payment-summary-heading,.payment-qr-display-head{flex-direction:column;align-items:flex-start}.payment-qr-display-card{padding:20px;border-radius:22px}.payment-qr-frame-premium{padding:17px;border-radius:22px}.payment-total{font-size:40px}.payment-bank-list>div{grid-template-columns:1fr;gap:4px}.payment-bank-list dd{align-items:flex-start}.payment-safe-badge{white-space:normal}.payment-instruction-strip{grid-template-columns:auto 1fr}.payment-qr-preview-shell{min-height:280px}}


/* EducTools v4.30.0 — Studio branding and per-Studio typography */
.studio-font-page main,.studio-font-page .modern-footer{font-family:var(--active-studio-font,inherit)}
.studio-card[style*="--studio-font"],.home-v493-studio-card[style*="--studio-font"]{font-family:var(--studio-font,inherit)}
.admin-studio-branding{display:grid;grid-template-columns:minmax(150px,210px) minmax(0,1fr);gap:18px;padding:16px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#f8fbff,#fff9fd)}
.admin-studio-logo-preview{position:relative;display:grid;place-items:center;min-height:145px;overflow:hidden;border:1px solid #dbe4f2;border-radius:16px;background:#fff}
.admin-studio-logo-preview img{width:100%;height:145px;object-fit:contain;padding:10px}
.admin-studio-brand-fields{display:grid;align-content:start;gap:12px}.admin-studio-brand-fields input[type=file]{padding:9px;background:#fff}
.admin-studio-reset-logo{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:8px!important;font-size:.88rem}.admin-studio-reset-logo input{width:auto}
.admin-font-preview{padding:12px 14px;border:1px dashed #bdcbea;border-radius:13px;background:#fff;font-family:var(--studio-font,inherit);font-size:1.08rem;font-weight:700;color:var(--navy)}
@media(max-width:720px){.admin-studio-branding{grid-template-columns:1fr}.admin-studio-logo-preview img{height:170px}}