/* Next Edu — as cores da marca vêm de variáveis definidas no <head> (white label). */
:root{--bg:#05224a;--primary:#78d81e;--ink:#0b1b33;--muted:#5b6b82;--line:#e3e8f0;--panel:#fff;--soft:#f4f7fb;--danger:#c0392b;--warn:#b7791f;--radius:14px;--shadow:0 6px 24px rgba(5,34,74,.08)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--soft)}
a{color:inherit}img{max-width:100%}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:2rem}h2{font-size:1.4rem}h3{font-size:1.1rem}
.container{width:min(1120px,100% - 2rem);margin-inline:auto}
.muted{color:var(--muted)}.small{font-size:.875rem}.right{text-align:right}.center{text-align:center}
.stack>*+*{margin-top:1rem}.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}

/* topo */
.topbar{background:var(--bg);color:#fff;position:sticky;top:0;z-index:20}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:700;font-size:1.1rem}
.brand img{width:40px;height:40px;border-radius:10px;object-fit:cover}
.nav{display:flex;gap:.25rem;align-items:center;flex-wrap:wrap}
.nav a,.nav button.link{color:#dbe6f7;text-decoration:none;padding:.5rem .8rem;border-radius:10px;background:none;border:0;font:inherit;cursor:pointer}
.nav a:hover,.nav button.link:hover,.nav a.on{background:rgba(255,255,255,.12);color:#fff}

/* botões e formulários */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.2rem;border-radius:12px;border:2px solid var(--primary);background:var(--primary);color:#0b2a00;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;min-height:44px}
.btn:hover{filter:brightness(.95)}.btn.ghost{background:transparent;color:inherit;border-color:var(--line)}
.btn.dark{background:var(--bg);border-color:var(--bg);color:#fff}.btn.danger{background:#fff;border-color:#f0c4be;color:var(--danger)}
.btn.small{padding:.4rem .8rem;min-height:36px;font-size:.875rem}.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:600;margin-bottom:.3rem;font-size:.92rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],input[type=url],select,textarea{width:100%;padding:.65rem .8rem;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid color-mix(in srgb,var(--primary) 40%,transparent);border-color:var(--primary)}
input[type=color]{width:64px;height:44px;padding:2px;border:1.5px solid var(--line);border-radius:10px;background:#fff}
textarea{min-height:110px;resize:vertical}.field{margin-bottom:1rem}.hint{font-size:.82rem;color:var(--muted);margin-top:.25rem}
.grid{display:grid;gap:1.25rem}.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}
.card.flat{box-shadow:none;border:1px solid var(--line)}

/* avisos */
.flash{padding:.8rem 1rem;border-radius:12px;margin:1rem 0;font-weight:600}
.flash.ok{background:#e8f7d4;color:#245000}.flash.err{background:#fde8e5;color:#8a1f13}.flash.warn{background:#fdf1d8;color:#7a4b00}
.badge{display:inline-block;padding:.15rem .6rem;border-radius:999px;font-size:.78rem;font-weight:700;background:#e9eef6;color:#33445f}
.badge.green{background:#e0f5c8;color:#245000}.badge.red{background:#fde8e5;color:#8a1f13}.badge.yellow{background:#fdf1d8;color:#7a4b00}

/* home */
.hero{background:var(--bg);color:#fff;padding:3rem 0}
.hero .container{display:grid;gap:2rem;align-items:center;grid-template-columns:1.2fr 1fr}
.hero h1{font-size:clamp(2rem,5vw,3rem)}.hero h1 span{color:var(--primary)}
.hero p{color:#c8d6ee;font-size:1.1rem;max-width:34ch}.hero img{border-radius:24px;max-height:380px;margin-inline:auto;display:block}
@media(max-width:760px){.hero .container{grid-template-columns:1fr;text-align:center}.hero p{margin-inline:auto}.hero img{max-height:240px}}
.course-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.course-card .cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--bg),#0c3a78);display:flex;align-items:center;justify-content:center}
.course-card .cover img{width:100%;height:100%;object-fit:cover}.course-card .cover.ph img{width:96px;height:96px;object-fit:contain;opacity:.9}
.course-card .body{padding:1.1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}.course-card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.price{font-weight:800;font-size:1.15rem}.price.free{color:#2f7a00}
section.block{padding:2.5rem 0}

/* progresso */
.bar{height:8px;background:#e3e8f0;border-radius:99px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--primary)}

/* aula */
.lesson-wrap{display:grid;gap:1.25rem;grid-template-columns:minmax(0,1fr) 340px;align-items:start}
@media(max-width:900px){.lesson-wrap{grid-template-columns:1fr}.lesson-side{order:2}}
.player{aspect-ratio:16/9;background:#000;border-radius:var(--radius);overflow:hidden}.player iframe,.player video{width:100%;height:100%;border:0}
.syl{max-height:70vh;overflow:auto}.syl h4{margin:1rem 0 .4rem;font-size:.95rem}.syl a{display:flex;gap:.5rem;padding:.5rem .6rem;border-radius:10px;text-decoration:none;font-size:.93rem}
.syl a:hover{background:var(--soft)}.syl a.cur{background:color-mix(in srgb,var(--primary) 22%,#fff);font-weight:700}.syl .ck{width:1.2rem;color:#2f7a00}
.prose{white-space:pre-wrap;word-wrap:break-word}

/* tabelas */
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}.tbl th,.tbl td{padding:.6rem .7rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.tbl th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.tbl-wrap{overflow-x:auto}

/* admin */
.admin{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 64px)}
.side{background:#fff;border-right:1px solid var(--line);padding:1rem .75rem}
.side a{display:block;padding:.6rem .8rem;border-radius:10px;text-decoration:none;font-weight:600;color:#33445f}.side a:hover{background:var(--soft)}.side a.on{background:var(--bg);color:#fff}
.admin main{padding:1.5rem;min-width:0}
@media(max-width:820px){.admin{grid-template-columns:1fr}.side{display:flex;overflow-x:auto;gap:.25rem;border-right:0;border-bottom:1px solid var(--line)}.side a{white-space:nowrap}}
.stat{padding:1rem 1.2rem}.stat b{display:block;font-size:1.7rem}.stat span{color:var(--muted);font-size:.85rem}
details.step{border:1px solid var(--line);border-radius:12px;padding:.8rem;margin-bottom:.6rem;background:#fff}
.mod{border:1px solid var(--line);border-radius:12px;padding:1rem;margin-bottom:1rem;background:#fff}
.lessonrow{display:flex;justify-content:space-between;gap:.5rem;align-items:center;padding:.45rem 0;border-top:1px solid var(--line)}
.preview{max-height:90px;border-radius:10px;background:#eef2f8;padding:6px}

/* auth */
.authpage{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}
.authpage .art{background:var(--bg);display:flex;align-items:center;justify-content:center;padding:2rem}.authpage .art img{max-width:min(440px,90%);border-radius:24px}
.authpage .form{display:flex;align-items:center;justify-content:center;padding:2rem}.authpage .form>div{width:min(400px,100%)}
@media(max-width:820px){.authpage{grid-template-columns:1fr}.authpage .art{display:none}}
.footer{padding:2rem 0;color:var(--muted);text-align:center;font-size:.88rem}
.sr{position:absolute;left:-9999px}
.pix{background:var(--soft);border:2px dashed var(--line);border-radius:12px;padding:1rem;word-break:break-all;font-family:ui-monospace,Menlo,monospace}
.install-banner{display:none;position:fixed;bottom:1rem;left:1rem;right:1rem;max-width:420px;margin-inline:auto;background:var(--bg);color:#fff;padding:.9rem 1rem;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.3);z-index:50;gap:.75rem;align-items:center;justify-content:space-between}

.brand{white-space:nowrap}
@media(max-width:600px){.topbar .container{flex-wrap:wrap;padding-block:.5rem;min-height:0}.nav{gap:0;width:100%;justify-content:flex-start}.nav a,.nav button.link{padding:.4rem .6rem;font-size:.92rem}.hero{padding:2rem 0}h1{font-size:1.6rem}}