/* Páginas do site Lote Viável (início, conta, estudos, login, textos legais).
   Identidade da landing: Geist em peso regular, papel branco, painéis em areia, marcações chapadas,
   botões quadrados de contorno preto e faixa preta no rodapé. */
:root {
  color-scheme: light;
  --paper: #ffffff; --panel: #f4f2ec; --ink: #0f1412; --muted: #7e7e7a; --line: #d9d9d5; --line-2: #bdbdb8; --stage: #0f1412;
  --hb: #7cc6ff; --hp: #8e7cff; --hg: #c6f24e; --hy: #ffe27a; --hc: #ff6b3d; --err: #b3261e;
  --sans: "Geist", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--paper); color: var(--ink); font: 400 17px/1.45 var(--sans); -webkit-font-smoothing: antialiased; letter-spacing: -0.005em; display: flex; flex-direction: column; min-height: 100vh; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
[hidden] { display: none !important; }
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 760px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
.mk { padding: 0 .14em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.mk.b { background: var(--hb); } .mk.p { background: var(--hp); } .mk.g { background: var(--hg); } .mk.y { background: var(--hy); }
.mono { font-family: var(--mono); font-size: .86em; }
.muted { color: var(--muted); }

/* topo */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.lv { --lv-h: 30px; display: inline-flex; align-items: center; gap: calc(var(--lv-h) * .33); white-space: nowrap; text-decoration: none; }
.lv-coin { width: var(--lv-h); height: var(--lv-h); display: block; flex: 0 0 auto; }
.lv-coin .c { fill: var(--ink); } .lv-coin .k { fill: var(--hc); }
.lv-word { font: 800 calc(var(--lv-h) * .8)/1 "Schibsted Grotesk", "Geist", Helvetica, Arial, sans-serif; letter-spacing: -0.035em; }
.nav { display: flex; gap: 22px; align-items: center; font-size: 16px; }
.nav > a { color: var(--muted); text-decoration: none; } .nav > a:hover, .nav > a[aria-current] { color: var(--ink); }
@media (max-width: 640px) { .nav > a.opt { display: none; } }

main { flex: 1; padding-block: 28px 80px; }
.kicker { font-size: 16px; margin: 0 0 16px; }
.kicker::before { content: "{ "; } .kicker::after { content: " }"; }
h1 { font-weight: 400; font-size: clamp(40px, 6vw, 88px); line-height: .98; letter-spacing: -0.035em; margin: 0; text-wrap: balance; }
h1.s { font-size: clamp(34px, 4.4vw, 56px); }
h2 { font-weight: 400; font-size: clamp(24px, 2.4vw, 32px); letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 14px; }
h3 { font-weight: 500; font-size: 18px; margin: 0 0 8px; }
.lead { color: var(--muted); font-size: clamp(18px, 1.5vw, 21px); margin: 18px 0 36px; max-width: 52ch; }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font: 400 16px var(--sans); cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.btn.solid { background: var(--ink); color: var(--paper); }
.btn.solid:hover:not(:disabled) { background: var(--hg); color: var(--ink); }
.btn.sm { min-height: 34px; padding: 0 12px; font-size: 14px; }
.btn.danger { border-color: var(--err); color: var(--err); }
.btn.danger:hover:not(:disabled) { background: var(--err); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.full { width: 100%; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* formulários */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; font-size: 15px; }
.field > span { color: var(--ink); }
.field small { color: var(--muted); font-size: 13px; }
.input, .field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line-2); background: var(--paper); color: var(--ink); font: 400 16px var(--sans); border-radius: 0; }
.field textarea { min-height: 90px; resize: vertical; }
.input:focus, .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ink); flex: 0 0 auto; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .row2 { grid-template-columns: 1fr; } }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }

/* avisos */
.note { padding: 12px 14px; font-size: 15px; background: var(--panel); border-left: 3px solid var(--ink); }
.note.err { background: #fbe9e7; border-color: var(--err); color: #5c130e; }
.note.ok { background: #eef9d2; border-color: #6b8f12; }
.note.warn { background: #fff4c7; border-color: #b48a00; }

/* páginas de acesso: formulário à esquerda, faixa amarela à direita */
.auth { display: grid; grid-template-columns: minmax(0, 520px) minmax(0, 1fr); gap: 48px; align-items: start; }
.auth .card { display: grid; gap: 22px; }
.auth aside { background: var(--hy); padding: 28px; display: grid; gap: 14px; align-content: start; min-height: 100%; }
.auth aside p { margin: 0; }
.auth aside .big { font-size: clamp(28px, 3vw, 40px); line-height: 1.05; letter-spacing: -0.03em; }
.auth aside ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
@media (max-width: 900px) { .auth { grid-template-columns: 1fr; } }

/* painéis em areia */
.panel { background: var(--panel); padding: 22px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 860px) { .grid2 { grid-template-columns: 1fr; } }

/* abas */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button { font: 400 15px var(--sans); padding: 6px 14px; min-height: 38px; border: 1px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }

/* lista de estudos */
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin: 0 0 18px; }
.toolbar .input { max-width: 320px; min-height: 40px; }
.studies { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.study { background: var(--panel); padding: 16px 16px 14px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.study .hd { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; font-size: 14px; }
.study .nm { font-size: 22px; line-height: 1.15; letter-spacing: -0.02em; margin: 0; overflow-wrap: anywhere; text-decoration: none; }
.study .nm:hover { text-decoration: underline; text-underline-offset: 3px; }
.study .meta { color: var(--muted); font-size: 14px; }
.study .acts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tag { font-size: 13px; padding: 1px 7px; }
.tag.lot { background: var(--hg); } .tag.vert { background: var(--hb); }
.empty { padding: 40px 22px; background: var(--panel); text-align: center; display: grid; gap: 14px; justify-items: center; }

/* tabela de administração */
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
.tbl th { text-align: left; font-weight: 500; font-size: 13px; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--ink); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl select, .tbl input { min-height: 36px; padding: 4px 8px; border: 1px solid var(--line-2); font: 400 14px var(--sans); background: var(--paper); }
.scroll-x { overflow-x: auto; }

/* textos longos (termos e privacidade) */
.doc { max-width: 760px; }
.doc h2 { margin-top: 40px; }
.doc p, .doc li { color: #2a2f2d; }
.doc ul { padding-left: 20px; }

/* menu do usuário */
.lv-um { position: relative; }
.lv-um-btn { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 10px 0 4px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); font: 400 15px var(--sans); cursor: pointer; }
.lv-um-btn:hover, .lv-um-btn[aria-expanded="true"] { background: var(--hy); }
.lv-av { width: 30px; height: 30px; display: grid; place-items: center; background: var(--ink); color: var(--paper); font: 500 13px var(--sans); letter-spacing: 0; position: relative; }
.lv-av i { display: none; }
.lv-um-name { max-width: 16ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) { .lv-um-name { display: none; } .lv-um-btn { padding: 0 4px; } }
.lv-um-pop { position: absolute; right: 0; top: calc(100% + 6px); z-index: 1000; min-width: 260px; background: var(--paper); border: 1px solid var(--ink); box-shadow: 6px 6px 0 rgba(15, 20, 18, .12); padding: 6px 0; font: 400 15px/1.35 var(--sans); color: var(--ink); text-align: left; }
.lv-um-pop .who { padding: 10px 16px 12px; border-bottom: 1px solid var(--line); display: grid; gap: 2px; }
.lv-um-pop .who b { font-weight: 500; }
.lv-um-pop .who span { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.lv-um-pop .pl { margin-top: 6px; justify-self: start; font-size: 13px; padding: 1px 7px; background: var(--hg); }
.lv-um-pop a, .lv-um-pop button { display: block; width: 100%; padding: 9px 16px; background: none; border: 0; text-align: left; font: inherit; color: inherit; text-decoration: none; cursor: pointer; }
.lv-um-pop a:hover, .lv-um-pop button:hover, .lv-um-pop a:focus-visible, .lv-um-pop button:focus-visible { background: var(--panel); outline: none; }
.lv-um-pop hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; }
.lv-um-pop .st { padding: 6px 16px 8px; font-size: 13px; color: var(--muted); }

/* aviso do modo local e mensagens rápidas */
.lv-local { background: var(--hy); font-size: 14px; padding: 8px 0; }
.lv-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 16px; font: 400 15px var(--sans); z-index: 2000; max-width: calc(100vw - 32px); }

footer.foot { background: var(--stage); color: #9a9a95; font-size: 14px; padding-block: 22px 30px; }
footer.foot .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
footer.foot .lv { --lv-h: 18px; } footer.foot .lv-coin .c { fill: var(--hg); } footer.foot .lv-word { color: #f4f4f2; }
footer.foot nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer.foot a { color: #c9c9c4; text-decoration: none; } footer.foot a:hover { color: #fff; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }