*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ilha-accent:      #0e7490;
  --ilha-accent-dim:  #0c6478;
  --ilha-accent-bg:   rgba(14, 116, 144, 0.07);
  --ilha-amber:       #f59e0b;
  --ilha-green:       #16a34a;
  --ilha-green-bg:    rgba(22, 163, 74, 0.09);
  --ilha-red:         #dc2626;
  --ilha-red-bg:      rgba(220, 38, 38, 0.09);
  --ilha-pending:     #d97706;
  --ilha-pending-bg:  rgba(217, 119, 6, 0.09);
  --ilha-surface:     #ffffff;
  --ilha-bg:          #f0f9ff;
  --ilha-border:      #bae6fd;
  --ilha-border2:     #e0f2fe;
  --ilha-text:        #0c1a2b;
  --ilha-text2:       #0369a1;
  --ilha-text3:       #7dd3fc;
  --ilha-mono:        'IBM Plex Mono', monospace;
  --ilha-sans:        'IBM Plex Sans', sans-serif;
  --ilha-display:     'Playfair Display', serif;
  --ilha-radius:      6px;
  --ilha-shadow:      0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.05);
}

body {
  font-family: var(--ilha-sans);
  background: var(--ilha-bg);
  color: var(--ilha-text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── HEADER ── */
.ilha-header {
  background: var(--ilha-accent);
  border-bottom: 3px solid var(--ilha-amber);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ilha-logo-link {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  transition: opacity 0.2s;
}
.ilha-logo-link:hover { opacity: 0.85; }

.ilha-logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.ilha-logo-text {
  font-family: var(--ilha-display);
  color: #fff;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  display: flex;
  flex-direction: column;
}
.ilha-logo-text span {
  font-family: var(--ilha-mono);
  color: var(--ilha-amber);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: -2px;
}

.ilha-header-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ilha-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  color: rgba(255,255,255,0.88);
  font-family: var(--ilha-mono);
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}
.ilha-badge-prof {
  background: rgba(220,38,38,0.25);
  border: 1px solid rgba(220,38,38,0.5);
  color: #fca5a5;
}

/* ── INTRO ── */
.ilha-intro {
  background: var(--ilha-accent-bg);
  border: 1px solid var(--ilha-border);
  border-left: 4px solid var(--ilha-accent);
  border-radius: var(--ilha-radius);
  padding: 1.25rem 1.5rem;
}
.ilha-intro-title {
  font-family: var(--ilha-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ilha-text2);
  margin-bottom: 0.5rem;
}
.ilha-intro-desc {
  font-size: 0.93rem;
  color: var(--ilha-text);
  line-height: 1.65;
}

/* ── MAIN ── */
.ilha-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── CARDS ── */
.ilha-card {
  background: var(--ilha-surface);
  border: 1px solid var(--ilha-border);
  border-radius: var(--ilha-radius);
  padding: 1.5rem;
  box-shadow: var(--ilha-shadow);
}

.ilha-item-num {
  font-family: var(--ilha-mono);
  font-size: 0.75em;
  color: var(--ilha-text2);
  opacity: 0.6;
  margin-right: 0.2em;
  user-select: none;
}

.ilha-card-title {
  font-family: var(--ilha-sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ilha-text);
  margin-bottom: 1rem;
}

/* ── INPUT FORM ── */
.ilha-form-row {
  display: flex;
  gap: 0.75rem;
  align-items: stretch;
}

.ilha-input {
  flex: 1;
  font-family: var(--ilha-mono);
  font-size: 1rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--ilha-border);
  border-radius: var(--ilha-radius);
  background: var(--ilha-bg);
  color: var(--ilha-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 0;
}
.ilha-input:focus {
  border-color: var(--ilha-accent);
  box-shadow: 0 0 0 2px rgba(14,116,144,0.14);
  background: #fff;
}
.ilha-input:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── BUTTONS ── */
.ilha-btn-primary {
  padding: 0.6rem 1.2rem;
  background: var(--ilha-accent);
  color: #fff;
  border: none;
  border-radius: var(--ilha-radius);
  font-family: var(--ilha-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
}
.ilha-btn-primary:hover  { background: var(--ilha-accent-dim); }
.ilha-btn-primary:active { transform: translateY(1px); }
.ilha-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.ilha-btn-secondary {
  padding: 0.55rem 1rem;
  background: transparent;
  color: var(--ilha-accent);
  border: 1px solid var(--ilha-accent);
  border-radius: var(--ilha-radius);
  font-family: var(--ilha-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.ilha-btn-secondary:hover { background: var(--ilha-accent-bg); }

.ilha-btn-success {
  padding: 0.4rem 0.85rem;
  background: var(--ilha-green);
  color: #fff;
  border: none;
  border-radius: var(--ilha-radius);
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.ilha-btn-success:hover { opacity: 0.85; }

.ilha-btn-danger {
  padding: 0.4rem 0.85rem;
  background: var(--ilha-red);
  color: #fff;
  border: none;
  border-radius: var(--ilha-radius);
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.ilha-btn-danger:hover { opacity: 0.85; }

.ilha-btn-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── FEEDBACK ── */
.ilha-feedback {
  margin-top: 0.85rem;
  font-family: var(--ilha-mono);
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.4em;
  border-radius: var(--ilha-radius);
  padding: 0.5rem 0.75rem;
  transition: all 0.2s;
}
.ilha-feedback:empty { padding: 0; }
.ilha-feedback.ok      { color: var(--ilha-green);   background: var(--ilha-green-bg); }
.ilha-feedback.nao     { color: var(--ilha-red);     background: var(--ilha-red-bg); }
.ilha-feedback.pending { color: var(--ilha-pending); background: var(--ilha-pending-bg); }
.ilha-feedback.warn    { color: var(--ilha-accent);  background: var(--ilha-accent-bg); }

/* ── LISTAS ── */
.ilha-listas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.ilha-lista-card { padding: 1.25rem; }

.ilha-lista-title {
  font-family: var(--ilha-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--ilha-border2);
}

.ilha-lista-title.perm { color: var(--ilha-green); border-color: var(--ilha-green); }
.ilha-lista-title.prob { color: var(--ilha-red);   border-color: var(--ilha-red); }

.ilha-count {
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 700;
}
.ilha-lista-title.perm .ilha-count { background: var(--ilha-green-bg); color: var(--ilha-green); }
.ilha-lista-title.prob .ilha-count { background: var(--ilha-red-bg); color: var(--ilha-red); }

.ilha-lista {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 280px;
  overflow-y: auto;
}
.ilha-lista::-webkit-scrollbar { width: 4px; }
.ilha-lista::-webkit-scrollbar-thumb { background: var(--ilha-border); border-radius: 2px; }

.ilha-item {
  font-family: var(--ilha-mono);
  font-size: 0.82rem;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  border-left: 3px solid transparent;
}
.ilha-item.permitido { border-left-color: var(--ilha-green); background: var(--ilha-green-bg); color: var(--ilha-text); }
.ilha-item.proibido  { border-left-color: var(--ilha-red);   background: var(--ilha-red-bg);   color: var(--ilha-text); }
.ilha-item.vazia     { color: var(--ilha-text3); font-style: italic; border-left: none; }

/* ── FIELDS (professor) ── */
.ilha-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
}
.ilha-field label {
  font-family: var(--ilha-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--ilha-text2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ilha-field input[type="text"],
.ilha-field input[type="number"],
.ilha-field input[type="password"],
.ilha-field select,
.ilha-field textarea {
  width: 100%;
  font-family: var(--ilha-mono);
  font-size: 0.82rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--ilha-border);
  border-radius: var(--ilha-radius);
  background: var(--ilha-bg);
  color: var(--ilha-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
}
.ilha-field input:focus,
.ilha-field select:focus,
.ilha-field textarea:focus {
  border-color: var(--ilha-accent);
  box-shadow: 0 0 0 2px rgba(14,116,144,0.14);
  background: #fff;
}
.ilha-field textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.5;
}

/* ── TIPO TOGGLE ── */
.tipo-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--ilha-border);
  border-radius: var(--ilha-radius);
  overflow: hidden;
  margin-bottom: 1rem;
}
.tipo-tab {
  flex: 1;
  padding: 0.5rem;
  background: var(--ilha-bg);
  border: none;
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ilha-text2);
  transition: all 0.15s;
  border-right: 1px solid var(--ilha-border);
}
.tipo-tab:last-child { border-right: none; }
.tipo-tab.active {
  background: var(--ilha-accent);
  color: #fff;
}
.tipo-tab:not(.active):hover { background: var(--ilha-border2); }

.tipo-panel { display: none; }
.tipo-panel.active { display: block; }

/* ── PROFESSOR LAYOUT ── */
.prof-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 1.25rem;
  align-items: start;
}

.prof-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── FEED ── */
.feed-lista {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 320px;
  overflow-y: auto;
}
.feed-lista::-webkit-scrollbar { width: 4px; }
.feed-lista::-webkit-scrollbar-thumb { background: var(--ilha-border); border-radius: 2px; }

.feed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.7rem;
  border-radius: 4px;
  border-left: 3px solid transparent;
  font-family: var(--ilha-mono);
  font-size: 0.8rem;
}
.feed-item.permitido { border-left-color: var(--ilha-green); background: var(--ilha-green-bg); }
.feed-item.proibido  { border-left-color: var(--ilha-red);   background: var(--ilha-red-bg); }
.feed-item.pendente  { border-left-color: var(--ilha-pending); background: var(--ilha-pending-bg); }

.feed-palavra { font-weight: 600; color: var(--ilha-text); flex: 1; }
.feed-status  { font-size: 0.7rem; color: var(--ilha-text2); }
.feed-acoes   { display: flex; gap: 0.3rem; flex-shrink: 0; }

.feed-vazio {
  font-family: var(--ilha-mono);
  font-size: 0.78rem;
  color: var(--ilha-text3);
  padding: 0.5rem 0;
  font-style: italic;
}

/* ── STATS ── */
.prof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.25rem;
}
.stat-item {
  background: var(--ilha-bg);
  border: 1px solid var(--ilha-border2);
  border-radius: var(--ilha-radius);
  padding: 0.6rem 0.75rem;
  text-align: center;
}
.stat-valor {
  font-family: var(--ilha-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ilha-accent);
  display: block;
}
.stat-label {
  font-family: var(--ilha-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ilha-text2);
}

/* ── HINT ── */
.ilha-hint {
  font-family: var(--ilha-mono);
  font-size: 0.7rem;
  color: var(--ilha-text3);
  margin-top: -0.5rem;
  margin-bottom: 0.9rem;
}

/* ── MENSAGEM ── */
.ilha-mensagem {
  font-family: var(--ilha-mono);
  font-size: 0.75rem;
  min-height: 1.2em;
  border-radius: var(--ilha-radius);
  padding: 0.4rem 0.6rem;
  margin-top: 0.5rem;
}
.ilha-mensagem:empty { padding: 0; }
.ilha-mensagem.ok   { color: var(--ilha-green); background: var(--ilha-green-bg); }
.ilha-mensagem.erro { color: var(--ilha-red);   background: var(--ilha-red-bg); }

.prof-link {
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  color: var(--ilha-text2);
  text-align: center;
  margin-top: 0.5rem;
}
.prof-link a { color: var(--ilha-accent); text-decoration: none; }
.prof-link a:hover { text-decoration: underline; }

/* ── DIVIDER ── */
.ilha-divider {
  border: none;
  border-top: 1px solid var(--ilha-border2);
  margin: 1rem 0;
}

/* ── AJUDA ROW (aluno) ── */
.ilha-ajuda-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.ilha-ajuda-row > * { flex: 1; min-width: 140px; }

/* ── NOVA RODADA (aluno) ── */
.ilha-nova-rodada-row {
  margin-top: 0.75rem;
  display: flex;
  justify-content: flex-end;
}
.ilha-btn-nova-rodada {
  background: none;
  border: none;
  font-family: var(--ilha-mono);
  font-size: 0.72rem;
  color: var(--ilha-text2);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
  letter-spacing: 0.03em;
}
.ilha-btn-nova-rodada:hover {
  color: var(--ilha-accent);
  background: var(--ilha-accent-bg);
}

/* ── MODO COM MESTRE ── */
.ilha-mestre-section {
  background: var(--ilha-surface);
  border: 1px solid var(--ilha-border);
  border-top: 3px solid var(--ilha-amber);
  border-radius: var(--ilha-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--ilha-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.ilha-mestre-content {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.ilha-mestre-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.ilha-mestre-title {
  font-family: var(--ilha-sans);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ilha-text);
  margin-bottom: 0.25rem;
}

.ilha-mestre-desc {
  font-family: var(--ilha-sans);
  font-size: 0.8rem;
  color: var(--ilha-text2);
  line-height: 1.55;
}

.ilha-btn-mestre {
  flex-shrink: 0;
  padding: 0.65rem 1.25rem;
  background: var(--ilha-amber);
  color: #1c1400;
  border: none;
  border-radius: var(--ilha-radius);
  font-family: var(--ilha-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.1s;
}
.ilha-btn-mestre:hover  { opacity: 0.88; }
.ilha-btn-mestre:active { transform: translateY(1px); }

/* ── PROFESSOR REGRA BAR ── */
.prof-regra-bar {
  max-width: 1100px;
  margin: 1.5rem auto 0;
  padding: 0.6rem 1.5rem;
  font-family: var(--ilha-mono);
  font-size: 0.78rem;
  color: var(--ilha-text2);
  background: var(--ilha-accent-bg);
  border-bottom: 1px solid var(--ilha-border);
}
.prof-regra-bar strong {
  color: var(--ilha-accent);
}

/* ── PROFESSOR INFO TEXT ── */
.prof-info-txt {
  font-family: var(--ilha-sans);
  font-size: 0.82rem;
  color: var(--ilha-text2);
  line-height: 1.55;
  margin-bottom: 0.85rem;
}

/* ── PROFESSOR MENSAGEM ── */
.prof-mensagem {
  font-family: var(--ilha-mono);
  font-size: 0.75rem;
  min-height: 1.2em;
  border-radius: var(--ilha-radius);
  padding: 0.4rem 0.6rem;
  margin-top: 0.5rem;
}
.prof-mensagem:empty { padding: 0; }
.prof-mensagem.ok   { color: var(--ilha-green); background: var(--ilha-green-bg); }
.prof-mensagem.erro { color: var(--ilha-red);   background: var(--ilha-red-bg); }

/* ── PROFESSOR BTN PAIR ── */
.prof-btn-pair {
  display: flex;
  gap: 0.5rem;
}
.prof-btn-pair > * { flex: 1; }

/* ── FULL WIDTH BUTTON ── */
.ilha-btn-full {
  display: block;
  width: 100%;
}

/* ── STAT VARIANTS ── */
.stat-num {
  font-family: var(--ilha-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ilha-accent);
  display: block;
  line-height: 1.2;
}
.stat-lbl {
  font-family: var(--ilha-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ilha-text2);
  margin-top: 0.1rem;
  display: block;
}
.stat-perm .stat-num { color: var(--ilha-green); }
.stat-prob .stat-num { color: var(--ilha-red); }
.stat-pend .stat-num { color: var(--ilha-pending); }

/* ── FEED BUTTON VARIANTS ── */
.feed-btn-ok,
.feed-btn-nao {
  padding: 2px 7px;
  border: none;
  border-radius: 3px;
  font-size: 0.85rem;
  cursor: pointer;
  line-height: 1;
  transition: opacity 0.15s;
  background: transparent;
}
.feed-btn-ok:hover  { background: var(--ilha-green-bg); }
.feed-btn-nao:hover { background: var(--ilha-red-bg); }

/* ── FEED TAG ── */
.feed-tag {
  font-family: var(--ilha-mono);
  font-size: 0.68rem;
  color: var(--ilha-text2);
  white-space: nowrap;
  flex-shrink: 0;
}
.feed-item.pendente  .feed-tag { color: var(--ilha-pending); }
.feed-item.permitido .feed-tag { color: var(--ilha-green); }
.feed-item.proibido  .feed-tag { color: var(--ilha-red); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .prof-main { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ilha-listas-grid { grid-template-columns: 1fr; }
  .ilha-form-row { flex-direction: column; }
  .ilha-header { padding: 0 1rem; height: auto; min-height: 56px; }
  .ilha-logo-img { height: 36px; }
  .ilha-badge { display: none; }
  .ilha-main { padding: 1rem 0.85rem 2rem; }
  .prof-main { padding: 1rem 0.85rem 2rem; }
  .prof-regra-bar { padding: 0.6rem 0.85rem; }
  .ilha-mestre-section { flex-direction: column; align-items: stretch; }
  .ilha-btn-mestre { text-align: center; }
}