/* Val Educa · Portal EAD — identidade do site institucional, mobile-first */
:root{
  --blue-950:#071c34; --blue-900:#0b2d57; --blue-700:#075da8; --blue-500:#0c7bd8; --blue-100:#e8f3ff;
  --gold-600:#d99b11; --gold-400:#f3c345; --gold-100:#fff4cf;
  --green-600:#159957; --green-700:#0f7a44;
  --red-600:#d23b46; --red-100:#fde8ea;
  --ink:#142235; --muted:#65758a; --paper:#f4f8fd; --card:#ffffff; --line:#dde8f4; --white:#fff;
  --shadow-sm:0 2px 8px rgba(7,28,52,.06);
  --shadow:0 14px 40px rgba(7,28,52,.12);
  --shadow-lg:0 26px 70px rgba(7,28,52,.18);
  --radius:14px; --radius-sm:10px; --max:1120px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.2;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
.ic{width:22px;height:22px;flex:0 0 auto}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}
.center{text-align:center}
.nowrap{white-space:nowrap}
.hide{display:none!important}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;
  border-radius:999px;padding:12px 20px;font-weight:700;cursor:pointer;transition:.15s ease;
  background:var(--blue-100);color:var(--blue-900);min-height:46px;line-height:1}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;box-shadow:0 10px 24px rgba(12,123,216,.35)}
.btn-gold{background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:#3a2a02}
.btn-green{background:linear-gradient(135deg,var(--green-700),var(--green-600));color:#fff}
.btn-dark{background:var(--blue-900);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--blue-900)}
.btn-ghost:hover{background:var(--blue-100)}
.btn-danger{background:var(--red-100);color:var(--red-600);border-color:#f4c6cb}
.btn-sm{padding:8px 14px;min-height:38px;font-size:.9rem}
.btn-lg{padding:15px 26px;min-height:54px;font-size:1.05rem}
.btn-block{display:flex;width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.78rem;font-weight:700;background:var(--blue-100);color:var(--blue-700)}
.badge-gold{background:var(--gold-100);color:#9a6a06}
.badge-green{background:#e3f6ec;color:var(--green-700)}
.badge-red{background:var(--red-100);color:var(--red-600)}
.badge-muted{background:#eef2f7;color:var(--muted)}

/* ---------- Formulários ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:6px}
.input,.select,.textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;transition:.15s}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(12,123,216,.14)}
.textarea{min-height:120px;resize:vertical}
.help{font-size:.84rem;color:var(--muted);margin-top:5px}
.row{display:grid;gap:14px}
@media(min-width:560px){.row.cols-2{grid-template-columns:1fr 1fr}}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.card-pad-lg{padding:26px}
.grid{display:grid;gap:16px}
@media(min-width:640px){.grid.g-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:920px){.grid.g-3{grid-template-columns:repeat(3,1fr)}.grid.g-2{grid-template-columns:repeat(2,1fr)}}

/* ---------- Flash ---------- */
.flash{padding:13px 16px;border-radius:var(--radius-sm);margin:0 0 16px;font-weight:600;border:1px solid}
.flash-ok{background:#e3f6ec;border-color:#bfe6cf;color:var(--green-700)}
.flash-warn{background:var(--gold-100);border-color:#f0d68a;color:#8a5e05}
.flash-err{background:var(--red-100);border-color:#f3c1c6;color:var(--red-600)}

/* ---------- Topbar (aluno) ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  padding:10px 16px;min-height:62px}
.topbar-logo{width:140px;height:auto}
.topbar-nav{display:none;gap:6px;margin-left:18px}
.topbar-nav a{padding:8px 13px;border-radius:999px;font-weight:600;color:var(--blue-900)}
.topbar-nav a.is-active{background:var(--blue-100)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.82rem;
  background:var(--blue-900);color:#fff}
.avatar-gold{background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:#3a2a02}
@media(min-width:860px){.topbar-nav{display:flex}}

/* ---------- Tabbar (mobile bottom nav, aluno) ---------- */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:60;display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 8px;font-size:.7rem;
  font-weight:600;color:var(--muted)}
.tabbar a .ic{width:23px;height:23px}
.tabbar a.is-active{color:var(--blue-700)}
.chrome-student .app-main{padding-bottom:78px}
@media(min-width:860px){.tabbar{display:none}.chrome-student .app-main{padding-bottom:40px}}

.app-main{padding:20px 0 30px}
.page-head{margin:6px 0 18px}
.page-head h1{font-size:1.5rem}
.page-head p{color:var(--muted);margin:0}
.section-gap{margin-top:26px}

/* ---------- Hero saudação ---------- */
.welcome{background:linear-gradient(135deg,var(--blue-900),var(--blue-700));color:#fff;border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.welcome:after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,195,69,.5),transparent 70%)}
.welcome h2{font-size:1.35rem;margin:0 0 4px;color:#fff;position:relative}
.welcome p{margin:0;color:#cfe2f7;position:relative}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;position:relative}
.stat{background:rgba(255,255,255,.12);border-radius:12px;padding:12px;text-align:center}
.stat b{display:block;font-size:1.3rem}
.stat span{font-size:.72rem;color:#d6e6f8}

/* ---------- Course cards ---------- */
.course-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:.18s;position:relative;overflow:hidden}
.course-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.course-top{height:6px;border-radius:999px;width:54px;background:var(--blue-500)}
.course-card.c-gold .course-top{background:var(--gold-400)}
.course-card.c-green .course-top{background:var(--green-600)}
.course-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--blue-100);color:var(--blue-700)}
.course-card.c-gold .course-ico{background:var(--gold-100);color:#9a6a06}
.course-card.c-green .course-ico{background:#e3f6ec;color:var(--green-700)}
.course-card h3{font-size:1.12rem;margin:0}
.course-card .course-sub{color:var(--muted);font-size:.9rem;margin:0}
.course-card p{margin:0;color:#42526a;font-size:.93rem}
.course-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;gap:10px}

/* ---------- Lista de disciplinas ---------- */
.disc-list{display:flex;flex-direction:column;gap:12px}
.disc-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;box-shadow:var(--shadow-sm);transition:.15s}
.disc-item:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.disc-ico{width:42px;height:42px;border-radius:11px;background:var(--blue-100);color:var(--blue-700);display:grid;place-items:center;flex:0 0 auto}
.disc-body{min-width:0;flex:1}
.disc-body h4{margin:0 0 2px;font-size:1rem}
.disc-body p{margin:0;color:var(--muted);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.disc-status{flex:0 0 auto}

/* progress bar */
.prog{height:8px;background:var(--blue-100);border-radius:999px;overflow:hidden}
.prog>i{display:block;height:100%;background:linear-gradient(90deg,var(--green-600),var(--green-700));border-radius:999px}

/* ---------- Player de disciplina ---------- */
.disc-head{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);margin-bottom:18px}
.disc-head h1{font-size:1.4rem;margin:0 0 6px}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:16px}
.block-h{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.block-h .ic{color:var(--blue-700)}
.block-h h3{margin:0;font-size:1.1rem}
.video-wrap{position:relative;padding-top:56.25%;border-radius:12px;overflow:hidden;background:#000}
.video-wrap iframe,.video-wrap video{position:absolute;inset:0;width:100%;height:100%;border:0}
.reading{line-height:1.7}
.reading h1,.reading h2,.reading h3{margin-top:1em}
.done-tag{display:inline-flex;align-items:center;gap:7px;color:var(--green-700);font-weight:700}

/* ---------- Quiz ---------- */
.quiz-bar{position:sticky;top:62px;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 18px;box-shadow:var(--shadow-sm);margin-bottom:16px}
.timer{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--blue-900)}
.timer.warn{color:var(--red-600)}
.qcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px;box-shadow:var(--shadow-sm);margin-bottom:14px}
.qgroup{font-size:.74rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-500)}
.qtext{font-weight:700;margin:4px 0 12px;font-size:1.04rem}
.opt{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;margin-bottom:9px;cursor:pointer;transition:.12s;background:#fff}
.opt:hover{border-color:var(--blue-500);background:var(--blue-100)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .key{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800;background:var(--blue-100);color:var(--blue-700);flex:0 0 auto;text-transform:uppercase}
.opt.sel{border-color:var(--blue-500);background:var(--blue-100);box-shadow:0 0 0 3px rgba(12,123,216,.12)}
.opt.sel .key{background:var(--blue-700);color:#fff}
/* revisão de resultado */
.opt.correct{border-color:var(--green-600);background:#e8f8ef}
.opt.correct .key{background:var(--green-600);color:#fff}
.opt.wrong{border-color:var(--red-600);background:var(--red-100)}
.opt.wrong .key{background:var(--red-600);color:#fff}
.result-hero{text-align:center;padding:30px 20px;border-radius:var(--radius);color:#fff;box-shadow:var(--shadow)}
.result-hero.pass{background:linear-gradient(135deg,var(--green-700),var(--green-600))}
.result-hero.fail{background:linear-gradient(135deg,var(--blue-900),var(--blue-700))}
.result-score{font-size:3rem;font-weight:800;line-height:1}
.ring{--p:0;width:120px;height:120px;border-radius:50%;margin:0 auto 10px;
  background:conic-gradient(#fff calc(var(--p)*1%),rgba(255,255,255,.25) 0);display:grid;place-items:center}
.ring>span{width:92px;height:92px;border-radius:50%;background:transparent;display:grid;place-items:center;font-weight:800;font-size:1.5rem;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.3)}

/* ---------- Auth pages ---------- */
.auth-wrap{min-height:100dvh;display:grid;grid-template-columns:1fr;background:
  radial-gradient(1200px 600px at 80% -10%,rgba(12,123,216,.18),transparent),var(--paper)}
.auth-aside{display:none}
.auth-card{width:100%;max-width:440px;margin:auto;padding:30px 24px}
.auth-logo{width:170px;margin:0 auto 18px}
/* No painel azul escuro, usa o logo em branco (o original tem texto azul que some no fundo azul) */
.auth-aside .auth-logo{filter:brightness(0) invert(1);width:150px;margin:0 0 22px;opacity:.97}
@media(min-width:980px){
  .auth-wrap{grid-template-columns:1.1fr .9fr}
  .auth-aside{display:flex;flex-direction:column;justify-content:center;gap:18px;padding:50px;color:#fff;
    background:linear-gradient(150deg,var(--blue-950),var(--blue-700))}
  .auth-aside h2{color:#fff;font-size:2rem;max-width:14ch}
  .auth-aside .lead{color:#cfe2f7;font-size:1.05rem}
  .auth-feat{display:flex;gap:12px;align-items:flex-start;color:#eaf3fc}
  .auth-feat .ic{color:var(--gold-400)}
}

/* ---------- Tabela ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.tbl{width:100%;border-collapse:collapse;min-width:520px}
.tbl th,.tbl td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:middle}
.tbl th{background:#f7fafe;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fafcff}

/* ---------- Admin shell ---------- */
.chrome-admin{background:#eef3f9}
.admin-side{position:fixed;top:0;left:0;bottom:0;width:248px;background:var(--blue-950);color:#cdd9ea;
  display:flex;flex-direction:column;padding:16px 12px;z-index:80;transform:translateX(-100%);transition:.22s}
.admin-side.open{transform:translateX(0)}
.admin-brand{padding:6px 8px 16px}
.admin-logo{width:150px;filter:brightness(0) invert(1);opacity:.96}
.admin-nav{display:flex;flex-direction:column;gap:3px;overflow:auto}
.admin-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;font-weight:600;color:#aebfd6}
.admin-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-nav a.is-active{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff}
.admin-nav .ic{width:20px;height:20px}
.admin-side-foot{margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.1)}
.admin-logout{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:#9fb2cc}
.admin-logout:hover{background:rgba(255,255,255,.07);color:#fff}
.admin-burger{position:fixed;top:12px;left:12px;z-index:90;width:44px;height:44px;border-radius:11px;border:1px solid var(--line);
  background:#fff;font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow-sm)}
.admin-shell{min-height:100dvh}
.admin-top{position:sticky;top:0;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:12px 16px 12px 64px;min-height:60px}
.admin-title{font-size:1.15rem;margin:0}
.admin-top-right{display:flex;align-items:center;gap:10px}
.admin-content{padding:18px 16px 60px}
.admin-overlay{position:fixed;inset:0;background:rgba(7,28,52,.5);z-index:75;display:none}
.admin-overlay.show{display:block}
@media(min-width:1000px){
  .admin-burger,.admin-overlay{display:none!important}
  .admin-side{transform:none}
  .admin-shell{margin-left:248px}
  .admin-top{padding-left:24px}
  .admin-content{padding:24px}
}

/* KPIs admin */
.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:760px){.kpi-grid{grid-template-columns:repeat(4,1fr)}}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.kpi b{display:block;font-size:1.9rem;line-height:1;color:var(--blue-900)}
.kpi span{font-size:.84rem;color:var(--muted)}
.kpi .ic{color:var(--blue-500)}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:16px;bottom:90px;z-index:55;width:58px;height:58px;border-radius:50%;
  background:var(--green-600);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(21,153,87,.45);
  transition:transform .15s ease;animation:waPulse 2s ease-out infinite}
.wa-float::before,.wa-float::after{content:"";position:absolute;inset:0;border-radius:50%;
  border:2px solid var(--green-600);animation:waRing 2s ease-out infinite;pointer-events:none}
.wa-float::after{animation-delay:1s}
.wa-float svg{width:31px;height:31px;position:relative;z-index:1;animation:waWiggle 2.4s ease-in-out infinite}
.wa-float:hover{transform:scale(1.08)}
.wa-float:active{transform:scale(.96)}
@keyframes waRing{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.8);opacity:0}}
@keyframes waPulse{
  0%{box-shadow:0 10px 26px rgba(21,153,87,.45),0 0 0 0 rgba(21,153,87,.5)}
  70%{box-shadow:0 10px 26px rgba(21,153,87,.45),0 0 0 16px rgba(21,153,87,0)}
  100%{box-shadow:0 10px 26px rgba(21,153,87,.45),0 0 0 0 rgba(21,153,87,0)}}
@keyframes waWiggle{0%,85%,100%{transform:rotate(0)}90%{transform:rotate(-14deg)}95%{transform:rotate(14deg)}}
@media(prefers-reduced-motion:reduce){.wa-float,.wa-float::before,.wa-float::after,.wa-float svg{animation:none}}
@media(min-width:860px){.wa-float{bottom:24px}}

/* ---------- Util ---------- */
.flex{display:flex;align-items:center;gap:10px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.flex-wrap{flex-wrap:wrap}
.mt{margin-top:16px}.mt-lg{margin-top:26px}.mb{margin-bottom:16px}
.stack>*+*{margin-top:14px}
.divider{height:1px;background:var(--line);margin:18px 0}
.empty{text-align:center;color:var(--muted);padding:40px 20px}
.empty .ic{width:46px;height:46px;margin:0 auto 12px;color:var(--line)}
.link{color:var(--blue-700);font-weight:600}
.link:hover{text-decoration:underline}
.copy-row{display:flex;gap:8px}
.copy-row .input{font-size:.85rem}
.notice{background:var(--gold-100);border:1px solid #f0d68a;border-radius:var(--radius-sm);padding:14px;color:#7a5304}
.pill-list{display:flex;flex-wrap:wrap;gap:8px}

/* Anti-cópia: bloqueia seleção/cópia do texto das questões e leituras (deter, não blindagem) */
.no-copy,.no-copy .qtext,.no-copy .opt,.no-copy .qgroup,.reading.protected{
  -webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;
  -webkit-touch-callout:none}
.no-copy input,.no-copy textarea,.no-copy .input,.no-copy .textarea{
  -webkit-user-select:text;user-select:text}