:root {
  --ink: #111111;
  --muted: #555555;
  --line: #d9d9d9;
  --paper: #ffffff;
  --sand: #f3f3f3;
  --green: #111111;
  --green-deep: #111111;
  --green-soft: #eeeeee;
  --clay: #111111;
  --clay-soft: #f0f0f0;
  --warn: #333333;
  --warn-bg: #e8e8e8;
  --shadow: 0 16px 40px rgba(28, 36, 32, 0.06);
  --sans: "Segoe UI", "Helvetica Neue", sans-serif;
  --serif: "Iowan Old Style", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }
html { background: var(--sand); }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
}
a { color: var(--green-deep); }
h1, h2 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: 2rem; margin: 0; }
h2 { font-size: 1.35rem; margin: 0; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.top {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem 1.25rem;
  background: #111111;
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
}
.brand img {
  height: 2.6rem;
  width: auto;
  display: block;
  background: #fff;
  border-radius: 8px;
}
.top nav { display: flex; gap: 0.35rem; flex: 1; }
.top nav a {
  color: inherit;
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}
.top nav a.on { background: rgba(255, 253, 248, 0.16); }
.who { display: flex; align-items: center; gap: 0.6rem; margin: 0; }
.who button, .ghost {
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}
.top .who button { color: inherit; }

.office { width: min(1120px, calc(100% - 2rem)); margin: 1.25rem auto 3rem; }
.narrow, .phone { width: min(440px, calc(100% - 2rem)); margin: 8vh auto 3rem; }
.phone { margin-top: 1.5rem; }
.mark { height: 3.4rem; width: auto; display: block; margin: 0 0 1rem; }
.lead, .note, .muted, .when { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.75rem; color: var(--green); margin-bottom: 0.4rem; }
.flash, .error, .warn {
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: var(--green-soft);
}
.error { background: var(--clay-soft); color: var(--clay); }
.warn { background: var(--warn-bg); color: var(--warn); }

.stack, .card, .block {
  display: grid;
  gap: 0.75rem;
}
.card, .block, .narrow form, .phone {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--shadow);
  min-width: 0;
}
.phone { padding: 1.25rem; }
label { display: grid; gap: 0.3rem; font-size: 0.92rem; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
}
.primary, button.primary, a.primary {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  background: var(--green);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1rem;
}
.toolbar, .section-head, .class-edit, .inline, .hours, .linkline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  justify-content: space-between;
}
.dayfilters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}
.daypick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 6rem;
  min-width: 0;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  border: 1px solid #111;
  background: #fff;
  color: #111;
  text-decoration: none;
  font-weight: 700;
}
.daypick .short { display: none; }
.daypick.on { background: #111; color: #fff; }
.weekbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem 1.25rem;
}
.weekbar h1 { text-align: center; }
.weekbar .step { text-decoration: none; }
.weekbar .step:last-child { justify-self: end; }
.toolbar { margin: 0.8rem 0; }
.toolbar button, .section-head button, .hours button, .inline button, .class-edit button, .rename button {
  background: var(--green);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
}
.block { margin-top: 1rem; }
.counts { display: flex; gap: 1rem; padding: 0; margin: 0; list-style: none; color: var(--muted); }
.counts strong { color: var(--ink); font-size: 1.15rem; }
.names { font-size: 1.05rem; margin: 0.2rem 0 0.8rem; }
.quiet { color: var(--warn); font-weight: 500; font-size: 0.78rem; }

.grid-wrap { overflow-x: auto; min-width: 0; max-width: 100%; }
.board { margin-top: 1rem; border-radius: 12px; overflow: hidden; background: #111; }
.board-title {
  margin: 0;
  background: #ffe600;
  color: #111;
  text-align: center;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  padding: 0.55rem 0.75rem;
}
.board-grid { border-collapse: collapse; width: 100%; background: #111; }
.board-grid th, .board-grid td { border: 1px solid #2a2a2a; min-width: 8.5rem; }
.board-grid th { background: #1d4e89; color: white; font-weight: 700; padding: 0.45rem 0.3rem; }
.board-grid td.hour, .board-grid td.blocked { background: #e10600; color: white; font-weight: 800; text-align: center; }
.board-grid td.hour { min-height: 2.6rem; padding: 0.3rem 0.2rem; }
.board-grid td.blocked { height: 2rem; }
.board-grid td.hour small { display: block; font-size: 0.72rem; font-weight: 650; letter-spacing: 0.01em; }
.board-grid td.slot { background: #111; height: 1.85rem; padding: 0; text-align: center; }
.board-grid td.wait { background: #111; padding: 0.25rem; vertical-align: top; }
.slot-name, .wait-name {
  width: 100%;
  min-height: 1.85rem;
  border: 0;
  background: transparent;
  color: white;
  padding: 0.2rem 0.35rem;
}
.wait-name { color: #b5b5b5; font-size: 0.82rem; min-height: 1.4rem; }
.board-grid form { margin: 0; }
.grid { border-collapse: collapse; width: 100%; min-width: 640px; background: white; }
.grid th, .grid td { border: 1px solid var(--line); padding: 0; text-align: center; }
.grid th { background: #f7f3eb; font-weight: 600; padding: 0.55rem; font-size: 0.85rem; }
.grid tbody th { text-align: left; padding: 0.55rem 0.7rem; font-weight: 550; position: sticky; left: 0; background: var(--paper); }
.grid .focus { background: #e7f4ee; }
.grid td.yes { background: #d9f0e3; }
.grid td.no { background: var(--clay-soft); }
.grid td form { margin: 0; }
.cell {
  width: 100%;
  min-height: 2.4rem;
  border: 0;
  background: transparent;
  padding: 0.45rem;
}
.grid td.yes .cell { color: var(--green-deep); font-weight: 700; }
.grid td.no .cell { color: var(--clay); font-weight: 700; }

pre {
  white-space: pre-wrap;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  background: #f7f4ee;
  border-radius: 12px;
  padding: 0.8rem;
  margin: 0;
}
details summary { cursor: pointer; font-family: var(--serif); font-size: 1.2rem; }
.hours label { min-width: 9rem; }
.class-edit label, .inline input { flex: 1; min-width: 8rem; }
.class-edit, .inline { align-items: end; }
.linkline, .whatsapp { margin: 0; word-break: break-all; }
.whatsapp { color: var(--muted); font-size: 0.92rem; }
.linkline.copyline, .whatsapp.copyline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 6.2rem;
  gap: 0.35rem 0.6rem;
  align-items: center;
  justify-content: stretch;
}
.copyline .copy-text { min-width: 0; }
.copyline .ghost { width: 100%; text-align: center; padding: 0.2rem 0.4rem; font-size: 0.82rem; color: #111; }
.people { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.28rem; }
.people li { display: flex; gap: 0.35rem; align-items: center; justify-content: space-between; }
.rename { display: flex; gap: 0.3rem; flex: 1; margin: 0; }
.rename input { flex: 1; }
.aluno { align-items: center; }
.aluno-main { display: flex; gap: 0.3rem; align-items: center; flex: 1; min-width: 0; }
.aluno-actions { display: flex; gap: 0.3rem; align-items: center; flex: 0 0 auto; }
.aluno .rename { min-width: 0; }
.aluno .rename input, .inline input[name="name"] { padding: 0.18rem 0.45rem; border-radius: 8px; }
.aluno .rename button, .aluno .ghost { padding: 0.16rem 0.5rem; font-size: 0.78rem; }
.aluno form { margin: 0; }
.sidepick { display: flex; gap: 0.15rem; margin: 0; }
.side {
  min-width: 2.35rem;
  padding: 0.16rem 0.28rem;
  border: 1px solid #111;
  border-radius: 8px;
  background: #fff;
  color: #111;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}
.presenca {
  border: 1px solid #111;
  background: #fff;
  color: #111;
  border-radius: 999px;
  padding: 0.16rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
}
.presenca.yes { background: #111; color: #fff; }
.presenca.no { background: #e10600; color: #fff; border-color: #e10600; }
.presenca-form, .lembrar-aluno { margin: 0; }
.danger { margin-top: 0.8rem; padding-top: 0.8rem; border-top: 1px solid var(--line); }
.people.cards li { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 0.7rem 0.8rem; }
.people small { color: var(--muted); margin-left: 0.35rem; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}
.page-head .lead { margin: 0.35rem 0 0; }
.page-head .primary { white-space: nowrap; }
.popup {
  width: min(32rem, calc(100% - 1.5rem));
  max-height: min(40rem, calc(100dvh - 1.5rem));
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}
.popup:not([open]) { display: none; }
.popup[open] { display: block; }
.popup::backdrop { background: rgba(0, 0, 0, 0.55); }
.popup-body { display: grid; gap: 0.9rem; padding: 1.1rem 1.15rem 1.2rem; overflow: auto; max-height: calc(100dvh - 1.5rem); }
.popup-head { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; }
.popup-head .ghost, .popup-actions .ghost { color: #111; }
.popup-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.6rem; }
.backup-actions, .import-form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.import-form { margin: 0; }
.import-form input[type="file"] { width: auto; max-width: 100%; }

.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.choices button {
  border: 2px solid #111111;
  border-radius: 16px;
  min-height: 4.5rem;
  font-size: 1.15rem;
  font-weight: 700;
}
.choices .yes { background: #111111; color: white; }
.choices .no { background: #ffffff; color: #111111; }
.choices .picked { outline: 3px solid var(--ink); }
.state { font-size: 1.05rem; }
.picks { display: grid; gap: 0.5rem; }
.namepick {
  width: 100%;
  text-align: left;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  font-size: 1.05rem;
}
.swap { display: grid; gap: 0.45rem; justify-items: start; margin: 0.8rem 0 1rem; }
.swap .ghost { color: #111; }
.install { display: grid; gap: 0.6rem; margin-top: 1rem; padding-top: 0.8rem; border-top: 1px solid var(--line); }
.aviso-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.aviso-actions .primary, .aviso-actions button { margin: 0; }
.is-ios .android-help, .is-other .ios-help, .is-standalone .ios-help, .is-standalone .android-help, .is-standalone .install h2 { display: none; }

@media (max-width: 760px) {
  .top {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.45rem 0.6rem;
    padding: 0.65rem 0.75rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
    padding-top: max(0.65rem, env(safe-area-inset-top));
  }
  .brand img { height: 2.15rem; }
  .top nav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.35rem;
  }
  .top nav a { text-align: center; padding: 0.5rem 0.15rem; font-size: 0.78rem; }
  .who span { display: none; }
  .who { justify-self: end; }
  h1 { font-size: 1.55rem; }
  .office { width: calc(100% - 1rem); margin: 0.75rem auto 2rem; }
  .card, .block { padding: 0.85rem; }
  .page-head { display: grid; align-items: stretch; }
  .page-head .primary, .toolbar a, .toolbar button, .toolbar form, .inline button, .class-edit button, .backup-actions .primary, .import-form button, .block > .primary { width: 100%; }
  .import-form, .backup-actions { display: grid; }
  .toolbar form { margin: 0; }
  .dayfilters { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .daypick { padding: 0.55rem 0.2rem; }
  .daypick .long { display: none; }
  .daypick .short { display: inline; }
  .weekbar { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .weekbar h1 { font-size: 1.35rem; }
  .weekbar .step:last-child { justify-self: center; }
  .section-head, .class-edit, .inline, .hours, .toolbar { display: grid; justify-content: stretch; }
  .class-edit label, .inline input, .hours label { min-width: 0; width: 100%; }
  .people li { align-items: stretch; flex-wrap: wrap; }
  .rename { width: 100%; min-width: 0; }
  .aluno { align-items: center; }
  .aluno-main { flex: 1 1 12rem; }
  .aluno .rename { width: auto; }
  .aluno-actions { width: 100%; }
  .aluno-actions .ghost, .aluno-actions form, .aluno-actions button { flex: 1; }
  .popup { width: calc(100% - 1rem); }
  .choices { grid-template-columns: 1fr; }
  .narrow, .phone { width: calc(100% - 1rem); margin-top: 1rem; }
}