/* Simulador de grade (protótipo da proposta 10). Prefixo .sim-; cores só por tokens do site.css + paleta categórica abaixo. */
:root {
  /* paleta categórica dos blocos: tons terrosos e frios que convivem com o vermelho da marca */
  --sim-c0: #8E2A3B; --sim-c1: #2F6690; --sim-c2: #2E7D5B; --sim-c3: #B26B00;
  --sim-c4: #6A4C93; --sim-c5: #1F7A80; --sim-c6: #A34E2A; --sim-c7: #5E6B2E;
  --sim-c8: #9C3D7A; --sim-c9: #3E4C6E; --sim-c10: #7A5C3E; --sim-c11: #4D7A2A;
  --sim-mix: 14%;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --sim-c0: #E07A8C; --sim-c1: #79AEDB; --sim-c2: #6CC79C; --sim-c3: #E8AE4F;
    --sim-c4: #B49AE0; --sim-c5: #5FC3C9; --sim-c6: #E89270; --sim-c7: #B4C27A;
    --sim-c8: #DE8CC0; --sim-c9: #9AABD6; --sim-c10: #CBA47F; --sim-c11: #9FCC6E;
    --sim-mix: 20%;
  }
}
:root[data-theme="dark"] {
  --sim-c0: #E07A8C; --sim-c1: #79AEDB; --sim-c2: #6CC79C; --sim-c3: #E8AE4F;
  --sim-c4: #B49AE0; --sim-c5: #5FC3C9; --sim-c6: #E89270; --sim-c7: #B4C27A;
  --sim-c8: #DE8CC0; --sim-c9: #9AABD6; --sim-c10: #CBA47F; --sim-c11: #9FCC6E;
  --sim-mix: 20%;
}

.sim-root { display: grid; gap: 16px; }
.sim-root svg.i { width: 18px; height: 18px; flex: none; }
.sim-h { font: 700 20px/1.25 var(--display); color: var(--ink-2); margin-bottom: 14px; }
.sim-h:focus { outline: none; }
.sim-h-n { display: inline-grid; place-items: center; min-width: 28px; padding: 3px 9px; margin-left: 6px; border-radius: 999px; background: var(--tint); color: var(--brand-ink); font: 700 14px/1 var(--body); vertical-align: 3px; font-variant-numeric: tabular-nums; }
.sim-link { background: none; border: 0; padding: 8px 2px; margin: -8px 0; color: var(--brand-ink); font: 700 inherit/inherit var(--body); font-size: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.sim-ext { width: 13px !important; height: 13px !important; margin-left: 3px; vertical-align: -1px; }
.sim-empty { padding: 22px 16px; text-align: center; color: var(--mut); border: 1px dashed var(--line-strong); border-radius: var(--r-sm); font-size: 15.5px; }

/* ---------- barra de ações ---------- */
.sim-bar { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 14px 20px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.sim-load { display: grid; gap: 6px; }
.sim-load label { font: 700 14px/1.2 var(--body); color: var(--ink-2); }
.sim-load-row { display: flex; gap: 8px; }
.sim-load select { min-height: 40px; min-width: 132px; padding: 0 12px; font: 600 16px/1 var(--body); color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-sm); cursor: pointer; }
.sim-load select:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 1px; }
.sim-bar-acts { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-msg:empty { display: none; }
.sim-aviso { display: flex; gap: 10px; align-items: center; padding: 10px 14px; font-size: 15.5px; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm); }
.sim-aviso svg.i { color: var(--brand-ink); }
.sim-aviso.is-ok svg.i { color: var(--ok); }
.sim-fallback { width: 100%; padding: 12px; font: 13px/1.5 var(--mono); color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-sm); resize: vertical; }

/* ---------- layout ---------- */
.sim-layout { display: grid; gap: 20px; grid-template-columns: minmax(0, 1fr); }
.sim-main { display: grid; gap: 20px; align-content: start; min-width: 0; }
.sim-panel { min-width: 0; }
@media (min-width: 940px) {
  .sim-layout { grid-template-columns: minmax(300px, 340px) minmax(0, 1fr); grid-template-areas: "cat main"; align-items: start; }
  .sim-main { grid-area: main; }
  .sim-cat { grid-area: cat; position: sticky; top: calc(80px + env(safe-area-inset-top, 0px)); }
  .sim-list { max-height: max(320px, calc(100vh - 410px)); overflow-y: auto; overscroll-behavior: contain; margin-right: -10px; padding-right: 10px; }
}

/* ---------- créditos ---------- */
.sim-cred { --st: var(--mut); padding-bottom: 6px; }
.sim-cred.is-ok { --st: var(--ok); }
.sim-cred.is-abaixo { --st: var(--warn); }
.sim-cred.is-acima { --st: var(--warn); }
.sim-cred-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; }
.sim-cred-n { color: var(--ink-2); font-weight: 600; font-size: 16px; }
.sim-cred-n b { font: 700 36px/1 var(--display); color: var(--st); font-variant-numeric: tabular-nums; margin-right: 4px; }
.sim-cred-st { display: flex; gap: 8px; align-items: start; font-size: 15.5px; color: var(--ink); flex: 1 1 260px; }
.sim-cred-st svg.i { color: var(--st); margin-top: 3px; }
.sim-cred-st strong { color: var(--st); }
.sim-meter { position: relative; height: 10px; margin: 16px 6px 30px; background: var(--surface-2); border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); }
.sim-zone { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, var(--ok) 22%, transparent); }
.sim-fill { position: absolute; left: 0; top: 2px; bottom: 2px; background: var(--st); border-radius: 999px; transition: width .25s ease; }
.sim-tick { position: absolute; top: -4px; width: 2px; height: 18px; margin-left: -1px; background: var(--line-strong); }
.sim-tick.is-lim { background: var(--ink-2); }
.sim-tick i { position: absolute; top: 21px; left: 50%; translate: -50% 0; font: 600 12.5px/1 var(--body); font-style: normal; color: var(--mut); font-variant-numeric: tabular-nums; }
.sim-tick.is-lim i { color: var(--ink-2); font-weight: 700; }
.sim-note { font-size: 14px; color: var(--mut); line-height: 1.5; }

/* ---------- choques ---------- */
[data-r="choques"]:not(:empty) { margin: 16px 0; }
.sim-ok { display: flex; gap: 8px; align-items: start; padding: 10px 12px; font-size: 15px; background: var(--ok-tint); border-radius: var(--r-sm); }
.sim-ok svg.i { color: var(--ok); margin-top: 3px; }
.sim-ok strong { color: var(--ok); }
.sim-alert { padding: 12px 14px 12px 16px; background: var(--warn-tint); border: 1px solid var(--warn-line); border-left: 4px solid var(--warn); border-radius: var(--r-sm); }
.sim-alert-h { display: flex; gap: 8px; align-items: center; color: var(--warn); font-size: 16.5px; }
.sim-alert ul { margin: 8px 0 10px; padding-left: 26px; display: grid; gap: 6px; font-size: 15.5px; }
.sim-links { font-size: 14px; color: var(--mut); }
.sim-links a { font-weight: 600; }

/* ---------- grade semanal ---------- */
.sim-grade-wrap { overflow-x: auto; padding: 4px; margin: 0 -4px; }
.sim-grid { --sim-row: 74px; --sim-lab: 76px; display: grid; grid-template-columns: var(--sim-lab) repeat(5, minmax(0, 1fr)); gap: 4px; min-width: 300px; }
.sim-gh { text-align: center; font: 700 13px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--mut); padding: 4px 0 8px; }
.sim-gh abbr { text-decoration: none; }
.sim-hora { grid-column: 1; display: flex; flex-direction: column; justify-content: center; gap: 2px; padding-right: 6px; font-variant-numeric: tabular-nums; }
.sim-hora b { font: 700 14px/1 var(--body); color: var(--ink-2); }
.sim-hora > span { font-size: 12px; line-height: 1.25; color: var(--mut); }
.sim-hora-fim { white-space: nowrap; }
.sim-dica-m { display: none; }
.sim-cell { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
@media (min-width: 641px) {
  .sim-blk-cod .sim-blk-alert { display: none; }
  .sim-cell.is-multi { flex-direction: row; }
  .sim-cell.is-multi .sim-blk { flex: 1 1 0; padding: 8px 4px 8px 7px; border-left-width: 3px; }
  .sim-cell.is-multi .sim-blk-cod { font-size: 13px; }
  .sim-cell.is-multi .sim-blk-sala, .sim-cell.is-multi .sim-blk-tag span, .sim-cell.is-multi .sim-blk-nome { display: none; }
}
.sim-cell.is-empty { background: color-mix(in srgb, var(--surface-2) 70%, transparent); border-radius: var(--r-sm); }
.sim-blk {
  flex: 1; position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-width: 0; min-height: 40px;
  padding: 8px 8px 8px 10px; text-align: left; cursor: pointer; color: var(--ink);
  background: color-mix(in srgb, var(--c) var(--sim-mix), var(--surface));
  border: 0; border-left: 4px solid var(--c); border-radius: var(--r-sm);
  transition: background-color .15s;
}
.sim-blk:hover { background: color-mix(in srgb, var(--c) calc(var(--sim-mix) + 8%), var(--surface)); }
.sim-blk.is-on { box-shadow: inset 0 0 0 2px var(--c); }
.sim-blk-cod { display: flex; align-items: center; font: 700 13.5px/1.1 var(--body); letter-spacing: .01em; font-variant-numeric: tabular-nums; }
.sim-blk-nome { font-size: 13px; line-height: 1.25; color: var(--ink-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.sim-blk-meta { font-size: 12px; line-height: 1.2; color: var(--mut); margin-top: auto; padding-top: 2px; }
.sim-blk.is-choque {
  background-image: repeating-linear-gradient(-45deg, color-mix(in srgb, var(--warn) 24%, transparent) 0 5px, transparent 5px 11px);
  box-shadow: inset 0 0 0 1.5px var(--warn);
}
.sim-blk.is-choque.is-on { box-shadow: inset 0 0 0 2.5px var(--warn); }
.sim-blk-alert { width: 15px !important; height: 15px !important; color: var(--warn); margin-right: 4px; }
.sim-blk-alert.is-lock { color: var(--ink-2); }
.sim-item-tog:focus-visible, .sim-x:focus-visible { outline-offset: -3px; }
.sim-blk-tag { display: inline-flex; align-items: center; font: 700 11px/1 var(--body); letter-spacing: .06em; text-transform: uppercase; color: var(--warn); }
.sim-dica { display: flex; gap: 6px; align-items: flex-start; margin-top: 12px; font-size: 14px; color: var(--mut); }
.sim-dica svg.i { width: 17px; height: 17px; margin-top: 1px; }

/* ---------- suas disciplinas ---------- */
.sim-sel-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.sim-sel-head .sim-h { margin: 0; }
.sim-items { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sim-item { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); }
.sim-item.is-open { border-color: var(--line-strong); box-shadow: var(--shadow); }
.sim-item-head { display: flex; align-items: stretch; }
.sim-item-tog { flex: 1; min-width: 0; display: grid; grid-template-columns: 10px minmax(0, 1fr) 20px; gap: 12px; align-items: center; min-height: 56px; padding: 10px 12px; text-align: left; background: none; border: 0; cursor: pointer; border-radius: var(--r-sm) 0 0 var(--r-sm); }
.sim-item-tog:hover .sim-item-t { color: var(--brand-ink); }
.sim-sw { width: 10px; align-self: stretch; min-height: 34px; border-radius: 3px; background: var(--c); }
.sim-item-txt { display: grid; gap: 2px; min-width: 0; }
.sim-item-t { font-size: 16px; line-height: 1.3; color: var(--ink); }
.sim-item-t b { font-weight: 700; margin-right: 2px; font-variant-numeric: tabular-nums; }
.sim-item-txt small { font-size: 14px; line-height: 1.35; color: var(--mut); }
.sim-chev { width: 20px !important; height: 20px !important; color: var(--mut); transition: rotate .2s; }
.sim-item-tog[aria-expanded="true"] .sim-chev { rotate: 180deg; }
.sim-x { flex: none; width: 48px; display: grid; place-items: center; background: none; border: 0; border-left: 1px solid var(--line); color: var(--mut); cursor: pointer; border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.sim-x:hover { color: var(--brand-ink); background: var(--tint); }
.sim-flags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.sim-flag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font: 700 12.5px/1.2 var(--body); }
.sim-flag svg.i { width: 14px; height: 14px; }
.sim-flag.is-bad { color: var(--warn); background: var(--warn-tint); }
.sim-flag.is-lock { color: var(--ink-2); background: var(--lock-tint); }
.sim-flag.is-lock svg.i { color: var(--lock); }
.sim-item-body { display: grid; gap: 10px; padding: 2px 14px 16px 34px; }
.sim-lbl { font: 700 12.5px/1.2 var(--body); letter-spacing: .07em; text-transform: uppercase; color: var(--mut); margin-top: 4px; }
.sim-lockmsg { display: flex; gap: 8px; align-items: start; padding: 10px 12px; font-size: 14.5px; background: var(--lock-tint); border-radius: var(--r-sm); }
.sim-lockmsg svg.i { color: var(--lock); margin-top: 2px; }
.sim-lockmsg a { font-weight: 700; }
.sim-obs { display: flex; gap: 8px; align-items: start; font-size: 14px; color: var(--mut); }
.sim-obs svg.i { color: var(--warn); margin-top: 2px; }

/* ---------- opções de turma (catálogo e troca) ---------- */
.sim-opts { display: grid; gap: 6px; }
.sim-opt { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 12px; width: 100%; min-height: 44px; padding: 8px 12px; text-align: left; cursor: pointer; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-sm); transition: border-color .15s, background-color .15s; }
.sim-opt:hover:not([aria-disabled="true"]) { border-color: var(--brand); }
.sim-opt[aria-disabled="true"] { cursor: default; }
.sim-opt[aria-pressed="true"] { border-color: var(--c, var(--brand)); background: color-mix(in srgb, var(--c, var(--brand)) 10%, var(--surface)); box-shadow: inset 4px 0 0 var(--c, var(--brand)); padding-left: 14px; }
.sim-opt-l { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; min-width: 0; }
.sim-opt-l b { font-size: 15.5px; font-weight: 700; }
.sim-opt-l span { font-size: 14.5px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.sim-st { display: inline-flex; align-items: center; gap: 5px; font: 600 13.5px/1.25 var(--body); }
.sim-st svg.i { width: 16px; height: 16px; }
.sim-st.is-ok { color: var(--ok); }
.sim-st.is-bad { color: var(--warn); }
.sim-st.is-cur { color: var(--ink-2); }

/* ---------- catálogo ---------- */
.sim-cat { min-width: 0; }
.sim-cat .sim-h { margin-bottom: 12px; }
.sim-search { margin: 0 0 12px; max-width: none; }
.sim-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sim-chips .chip { padding: 0 12px; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.sim-count { margin: 12px 0 2px; font-size: 14px; color: var(--mut); }
.sim-list { list-style: none; margin: 0; padding: 0; }
.sim-ci { display: grid; gap: 6px; padding: 14px 0; border-top: 1px solid var(--line); }
.sim-ci:first-child { border-top: 0; }
.sim-ci.is-in { box-shadow: inset 4px 0 0 var(--c); padding-left: 14px; }
.sim-ci-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.sim-ci-cod { font: 700 13.5px/1 var(--body); letter-spacing: .03em; color: var(--brand-ink); font-variant-numeric: tabular-nums; }
.sim-ci-cr { font-size: 13.5px; color: var(--mut); }
.sim-tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 999px; font: 700 12px/1.2 var(--body); color: var(--ink-2); background: var(--surface-2); }
.sim-tag svg.i { width: 13px; height: 13px; }
.sim-tag.is-ok { color: var(--ok); background: var(--ok-tint); }
.sim-tag.is-in { color: var(--ink); background: color-mix(in srgb, var(--c) 18%, var(--surface)); }
.sim-ci-nome { font: 700 16.5px/1.3 var(--body); color: var(--ink); }
.sim-reqs { display: flex; gap: 6px; align-items: baseline; font-size: 14px; color: var(--mut); line-height: 1.9; }
.sim-reqs .sim-req-i { width: 15px; height: 15px; translate: 0 2px; color: var(--mut); }
.sim-reqs.is-livre .sim-req-i { color: var(--ok); }
.sim-req-w { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin-right: 4px; }
.sim-req { position: relative; padding: 2px 8px; font: 700 13px/1.4 var(--body); color: var(--brand-ink); background: var(--tint); border: 1px solid var(--tint-line); border-radius: 6px; cursor: pointer; font-variant-numeric: tabular-nums; }
.sim-req::after { content: ""; position: absolute; inset: -8px -3px; } /* área de toque de 40 px sem inflar o visual */
.sim-req[aria-expanded="true"] { background: var(--brand); border-color: var(--brand); color: var(--on-brand); }
.sim-req-nome { color: var(--ink-2); font-size: 13.5px; }
.sim-req-st { display: inline-flex; align-items: center; gap: 3px; font-weight: 700; font-size: 12.5px; }
.sim-req-st svg.i { width: 14px; height: 14px; }
.sim-req-st.is-ok { color: var(--ok); }
.sim-req-st.is-lock { color: var(--lock); }
.sim-none { padding: 20px 4px; color: var(--mut); text-align: center; }

/* ---------- celular ---------- */
@media (max-width: 640px) {
  .sim-bar { padding: 14px; }
  .sim-load, .sim-load-row select { flex: 1; }
  .sim-load { flex: 1 1 100%; }
  .sim-bar-acts { flex: 1 1 100%; }
  .sim-bar-acts .btn { flex: 1 1 auto; white-space: nowrap; padding: 0 12px; }
  .sim-dica-m { display: inline; }
  .sim-cred-n b { font-size: 32px; }
  .sim-grade-wrap { margin: 0 -12px; padding: 4px 2px; }
  .sim-grid { --sim-row: 54px; --sim-lab: 40px; gap: 3px; min-width: 290px; }
  .sim-gh { font-size: 12px; letter-spacing: .04em; }
  .sim-hora { padding-right: 2px; }
  .sim-hora b { font-size: 13px; }
  .sim-hora > span { font-size: 11px; }
  .sim-hora-fim, .sim-blk-nome, .sim-blk-tag, .sim-blk-pre { display: none; }
  .sim-blk { padding: 6px 3px 6px 5px; border-left-width: 3px; gap: 1px; border-radius: 6px; }
  .sim-blk-cod { font-size: 13.5px; }
  .sim-blk-alert { width: 13px !important; height: 13px !important; margin-right: 2px; }
  .sim-blk-meta { font-size: 11px; }
  .sim-blk-meta .sim-blk-sala { display: none; }
  .sim-item-body { padding-left: 14px; }
  .sim-alert ul { padding-left: 18px; }
  /* duas disciplinas no mesmo horário: um só quadro hachurado com as duas dentro, para não parecer que uma vem depois da outra */
  .sim-cell.has-choque { justify-content: center; gap: 3px; padding: 3px; border-radius: 6px; box-shadow: inset 0 0 0 1.5px var(--warn); background: var(--warn-tint) repeating-linear-gradient(-45deg, color-mix(in srgb, var(--warn) 24%, transparent) 0 5px, transparent 5px 11px); }
  .sim-cell.has-choque .sim-blk { flex: 0 0 auto; background-image: none; box-shadow: none; padding: 4px 2px 4px 4px; }
}
.sim-grade-wrap:has(.sim-empty) + .sim-dica { display: none; }