/* =========================================================================
   Estudos e Simulados — estilos do modulo educacional.
   Consome os tokens do product-app.css (:root). Direcao "Atlas Vivo":
   marfim quente / carvao / petroleo + acentos vivos, Montserrat + Lora.
   Responsivo (desktop/mobile).
   ========================================================================= */

.es-root {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 1040px;
  margin: 0 auto;
  width: 100%;
}

/* ------------------------------ Subnav ----------------------------------- */
.es-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: sticky;
  top: 0;
  z-index: 4;
}
.es-subnav-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 9px 14px;
  border: 0;
  border-radius: var(--r);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.86rem;
  transition: background 0.15s, color 0.15s;
}
.es-subnav-item:hover { color: var(--text); background: var(--surface-2); }
.es-subnav-item[data-active="true"] { color: var(--accent); background: var(--accent-soft); }

/* ------------------------------ Hero ------------------------------------- */
.es-hero { padding: 6px 2px; }
.es-hero h2 { margin: 6px 0 8px; font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; }
.es-hero p { margin: 0; color: var(--text-muted); max-width: 60ch; }
.es-hero-sm h2 { font-size: 1.35rem; }
.es-eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent);
}

/* ------------------------- Hoje recomendado ------------------------------ */
.es-today {
  background:
    radial-gradient(90% 120% at 100% 0%, var(--cyan-soft), transparent 54%),
    linear-gradient(180deg, var(--accent-soft), transparent),
    var(--surface);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-lg);
  padding: 18px;
}
.es-today-head { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.es-today-head h3 { margin: 0; font-size: 1rem; }
.es-today-head .es-icon { color: var(--accent); }
.es-today-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.es-today-list button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  text-align: left;
  transition: border-color 0.15s, transform 0.1s;
}
.es-today-list button:hover { border-color: var(--accent-line); transform: translateX(2px); }
.es-today-list button span { flex: 1; }
.es-today-list .es-icon { flex: none; color: var(--accent); }

/* ------------------------------ Cards ------------------------------------ */
.es-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.es-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-align: left;
  cursor: pointer;
  color: var(--text);
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.15s;
}
.es-card:hover { border-color: var(--accent-line); transform: translateY(-2px); box-shadow: var(--shadow); }
.es-card-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--r);
  background:
    radial-gradient(circle at 35% 25%, rgba(255,255,255,.22), transparent 32%),
    linear-gradient(145deg, var(--cyan-soft), var(--accent-soft));
  color: var(--accent);
}
.es-card:nth-child(2n) .es-card-icon { background-image: radial-gradient(circle at 35% 25%, rgba(255,255,255,.22), transparent 32%), linear-gradient(145deg, var(--violet-soft), var(--cyan-soft)); color: var(--violet); }
.es-card:nth-child(3n) .es-card-icon { background-image: radial-gradient(circle at 35% 25%, rgba(255,255,255,.22), transparent 32%), linear-gradient(145deg, var(--coral-soft), var(--magenta-soft)); color: var(--coral); }
.es-card strong { font-size: 1rem; }
.es-card span { color: var(--text-muted); font-size: 0.85rem; line-height: 1.45; }

/* ------------------------- Stats rapidos --------------------------------- */
.es-quickstats, .es-dash-grid, .es-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.es-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px;
  text-align: center;
}
.es-stat b { display: block; font-size: 1.6rem; font-weight: 800; font-family: var(--ff-mono); }
.es-stat span { color: var(--text-muted); font-size: 0.78rem; }
.es-stat-lg b { font-size: 2.4rem; color: var(--accent); }
.es-quickstats .es-stat:nth-child(2n) b { color: var(--cyan); }
.es-quickstats .es-stat:nth-child(3n) b { color: var(--coral); }

/* ------------------------------ Diagnóstico ------------------------------ */
.es-diag { display: flex; flex-direction: column; gap: 16px; }
.es-choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 9px; }
.es-choice {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.15s, background 0.15s;
}
.es-choice:hover { border-color: var(--accent-line); }
.es-choice[data-active="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.es-diag-q { margin: 4px 0 0; font-size: 1.05rem; }
.es-chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.es-chip {
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.84rem;
}
.es-chip[data-active="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.es-chip-note { color: var(--text-dim); font-size: 0.78rem; }
.es-diag-rec {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--accent-line);
  border-radius: var(--r-lg); padding: 16px;
}
.es-diag-rec .es-icon { color: var(--accent); }
.es-diag-rec p { margin: 0; flex: 1; min-width: 240px; }
.es-hint { color: var(--text-dim); font-size: 0.86rem; }

/* ------------------------------ Botões ----------------------------------- */
.es-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.es-btn:active { transform: translateY(1px); }
.es-btn-sm { padding: 8px 13px; font-size: 0.82rem; }
.es-btn-primary { background: var(--accent); color: #fff; }
.es-btn-primary:hover { background: var(--accent-hover); }
.es-btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.es-btn-ghost:hover { border-color: var(--accent-line); }
.es-btn-danger { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
.es-btn-danger:hover { background: var(--danger); color: #fff; }

/* ------------------------------ Trilhas ---------------------------------- */
.es-tracks { display: flex; flex-direction: column; gap: 12px; }
.es-track {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  display: flex; flex-direction: column; gap: 12px;
}
.es-track.is-soon { opacity: 0.7; }
.es-track-head { display: flex; gap: 14px; align-items: flex-start; }
.es-track-num {
  font-family: var(--ff-mono); font-weight: 700; font-size: 0.9rem;
  width: 38px; height: 38px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--accent-soft), var(--cyan-soft)); color: var(--accent);
  border-radius: var(--r);
}
.es-track-head h3 { margin: 0 0 4px; font-size: 1.1rem; }
.es-track-head p { margin: 0; color: var(--text-muted); font-size: 0.86rem; }
.es-track-meta small { color: var(--text-dim); font-size: 0.78rem; }
.es-track-subs { display: flex; flex-wrap: wrap; gap: 6px; }
.es-subchip {
  font-size: 0.74rem; padding: 4px 9px; border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.5), transparent), var(--surface-2); color: var(--text-muted); border: 1px solid var(--border);
}
.es-track-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.es-soon-tag { color: var(--warn); font-size: 0.82rem; font-weight: 600; }

/* --------------------------- Barra de progresso -------------------------- */
.es-bar { height: 7px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.es-bar > span { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width 0.3s; }

/* --------------------------- Simulado config ----------------------------- */
.es-config { display: flex; flex-direction: column; gap: 16px; }
.es-config-group { display: flex; flex-direction: column; gap: 8px; }
.es-config-label { font-weight: 700; font-size: 0.84rem; color: var(--text-muted); }
.es-segmented { display: flex; flex-wrap: wrap; gap: 7px; }
.es-seg {
  padding: 9px 14px;
  border-radius: var(--r);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.83rem;
}
.es-seg[data-active="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.es-config-go { margin-top: 6px; }

/* ------------------------------ Runner ----------------------------------- */
.es-runner, .es-flash { display: flex; flex-direction: column; gap: 16px; }
.es-runner-bar { display: flex; align-items: center; gap: 14px; }
.es-runner-progress { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.es-runner-title { font-weight: 700; font-size: 0.84rem; }
.es-runner-count { font-family: var(--ff-mono); font-size: 0.74rem; color: var(--text-dim); }
.es-timer {
  font-family: var(--ff-mono); font-weight: 700; font-size: 0.95rem;
  padding: 8px 12px; border-radius: var(--r);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
}
.es-timer[data-low="true"] { color: var(--danger); border-color: var(--danger); }

.es-question {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px;
  display: flex; flex-direction: column; gap: 16px;
}
.es-q-tags { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.es-chip-mini { font-size: 0.74rem; color: var(--text-muted); padding: 3px 8px; border-radius: 6px; background: var(--surface-2); }
.es-badge {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 3px 9px; border-radius: 999px;
}
.es-badge-iniciante { background: var(--ok-soft); color: var(--ok); }
.es-badge-intermediaria { background: var(--warn-soft); color: var(--warn); }
.es-badge-avancada { background: var(--danger-soft); color: var(--danger); }
.es-q-image { border-radius: var(--r); overflow: hidden; background: #0b0e13; display: grid; place-items: center; max-height: 360px; }
.es-q-image img { max-width: 100%; max-height: 360px; object-fit: contain; display: block; }
.es-q-enunciado { margin: 0; font-size: 1.18rem; font-weight: 700; line-height: 1.4; }

/* opções */
.es-options { display: flex; flex-direction: column; gap: 9px; }
.es-option {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  transition: border-color 0.15s, background 0.15s;
}
.es-option:not([disabled]):hover { border-color: var(--accent-line); }
.es-option-key {
  width: 28px; height: 28px; flex: none;
  display: grid; place-items: center;
  border-radius: 7px; background: var(--surface-3);
  font-family: var(--ff-mono); font-weight: 700; font-size: 0.8rem;
}
.es-option-text { flex: 1; }
.es-option .es-icon { flex: none; }
.es-option[data-state="correta"] { border-color: var(--ok); background: var(--ok-soft); }
.es-option[data-state="correta"] .es-option-key { background: var(--ok); color: #fff; }
.es-option[data-state="correta"] .es-icon { color: var(--ok); }
.es-option[data-state="errada"] { border-color: var(--danger); background: var(--danger-soft); }
.es-option[data-state="errada"] .es-option-key { background: var(--danger); color: #fff; }
.es-option[data-state="errada"] .es-icon { color: var(--danger); }
.es-option[disabled] { cursor: default; }

/* lacuna / resposta curta */
.es-text-form { display: flex; gap: 9px; flex-wrap: wrap; }
.es-text-form input {
  flex: 1; min-width: 220px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 0.95rem;
}
.es-text-form input:focus { outline: none; border-color: var(--accent); }

/* associação */
.es-assoc { display: flex; flex-direction: column; gap: 10px; }
.es-assoc-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.es-assoc-left { flex: 1; min-width: 140px; font-weight: 600; }
.es-assoc-row .es-icon { color: var(--text-dim); flex: none; }
.es-assoc select {
  flex: 1; min-width: 160px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
}

/* ------------------------------ Feedback --------------------------------- */
.es-feedback {
  border-radius: var(--r-lg);
  padding: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex; flex-direction: column; gap: 12px;
}
.es-feedback[data-correta="true"] { border-color: var(--ok); background: linear-gradient(180deg, var(--ok-soft), transparent), var(--surface); }
.es-feedback[data-correta="false"] { border-color: var(--danger); background: linear-gradient(180deg, var(--danger-soft), transparent), var(--surface); }
.es-feedback-head { display: flex; align-items: center; gap: 9px; font-size: 1.05rem; }
.es-feedback[data-correta="true"] .es-feedback-head { color: var(--ok); }
.es-feedback[data-correta="false"] .es-feedback-head { color: var(--danger); }
.es-feedback-correta { margin: 0; font-size: 0.9rem; }
.es-feedback-exp { margin: 0; color: var(--text-muted); line-height: 1.5; font-size: 0.9rem; }
.es-feedback-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.es-confianca { display: flex; flex-direction: column; gap: 8px; }
.es-confianca > span { font-size: 0.82rem; color: var(--text-muted); font-weight: 600; }
.es-confianca-btns { display: flex; flex-wrap: wrap; gap: 7px; }
.es-conf {
  padding: 8px 14px; border-radius: 999px; cursor: pointer;
  font-weight: 600; font-size: 0.82rem;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.es-conf-errei:hover { border-color: var(--danger); color: var(--danger); }
.es-conf-duvida:hover { border-color: var(--warn); color: var(--warn); }
.es-conf-acertei:hover, .es-conf-facil:hover { border-color: var(--ok); color: var(--ok); }

/* ------------------------------ Resultado -------------------------------- */
.es-result { display: flex; flex-direction: column; gap: 20px; }
.es-result-head { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.es-score {
  width: 110px; height: 110px; flex: none;
  border-radius: 50%;
  display: grid; place-items: center; gap: 0;
  background: var(--surface);
  border: 3px solid var(--accent);
}
.es-score strong { font-size: 1.7rem; font-family: var(--ff-mono); }
.es-score span { font-size: 0.72rem; color: var(--text-muted); }
.es-score[data-faixa="excelente"], .es-ready[data-faixa="excelente"] { border-color: var(--ok); }
.es-score[data-faixa="boa"], .es-ready[data-faixa="boa"] { border-color: var(--ok); }
.es-score[data-faixa="moderada"], .es-ready[data-faixa="moderada"] { border-color: var(--warn); }
.es-score[data-faixa="inicial"], .es-ready[data-faixa="inicial"] { border-color: var(--warn); }
.es-score[data-faixa="baixa"], .es-ready[data-faixa="baixa"] { border-color: var(--danger); }
.es-result-title { flex: 1; min-width: 240px; }
.es-result-title h2 { margin: 6px 0; font-size: 1.4rem; }
.es-result-title p { margin: 0; color: var(--text-muted); }
.es-aprovacao { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 0.9rem; }
.es-aprovacao[data-aprovado="true"] { color: var(--ok); }
.es-aprovacao[data-aprovado="false"] { color: var(--danger); }
.es-aprovacao .es-icon { width: 16px; height: 16px; }
.es-result-sec {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 18px;
}
.es-result-sec h3 { margin: 0 0 14px; font-size: 1rem; }
.es-perf-row { display: grid; grid-template-columns: 1fr 2fr auto; gap: 12px; align-items: center; margin-bottom: 10px; }
.es-perf-row span { font-size: 0.86rem; }
.es-perf-row small { font-family: var(--ff-mono); font-size: 0.78rem; color: var(--text-dim); }
.es-wrong-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.es-wrong-list li { display: flex; flex-direction: column; gap: 4px; padding: 12px; background: var(--surface-2); border-radius: var(--r); border-left: 3px solid var(--danger); }
.es-wrong-list strong { font-size: 0.9rem; }
.es-wrong-correct { font-size: 0.82rem; color: var(--ok); }
.es-wrong-exp { font-size: 0.82rem; color: var(--text-muted); }
.es-result-actions { display: flex; flex-wrap: wrap; gap: 9px; }

/* ------------------------------ Flashcards ------------------------------- */
.es-flashcard {
  position: relative;
  min-height: 240px;
  border: 0; padding: 0; cursor: pointer;
  background: transparent;
  perspective: 1200px;
}
.es-flash-side {
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 12px; justify-content: center; align-items: center;
  text-align: center;
  min-height: 240px;
}
.es-flash-front {
  background: var(--surface); border: 1px solid var(--border);
}
.es-flash-front strong { font-size: 1.2rem; line-height: 1.4; }
.es-flash-front small { color: var(--text-dim); display: inline-flex; gap: 6px; align-items: center; font-size: 0.78rem; }
.es-flash-back {
  display: none;
  background: linear-gradient(180deg, var(--accent-soft), transparent), var(--surface);
  border: 1px solid var(--accent-line);
}
.es-flash-back p { margin: 0; font-size: 1.02rem; line-height: 1.55; color: var(--text); }
.es-flashcard.is-flipped .es-flash-front { display: none; }
.es-flashcard.is-flipped .es-flash-back { display: flex; }
.es-confianca-flash { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 14px; align-items: center; }

/* ------------------------------ Meus erros ------------------------------- */
.es-weak { display: flex; flex-direction: column; gap: 16px; }
.es-weak-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.es-weak-list li {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 16px;
}
.es-weak-rank {
  width: 30px; height: 30px; flex: none; display: grid; place-items: center;
  border-radius: 8px; background: var(--danger-soft); color: var(--danger);
  font-family: var(--ff-mono); font-weight: 700;
}
.es-weak-body { flex: 1; }
.es-weak-body strong { display: block; font-size: 0.92rem; }
.es-weak-body small { color: var(--text-dim); font-size: 0.76rem; }
.es-weak-count { font-weight: 700; color: var(--danger); font-size: 0.86rem; }

/* ------------------------------ Revisão ---------------------------------- */
.es-revisao { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }

/* ------------------------------ Dashboard -------------------------------- */
.es-ready {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  background: var(--surface); border: 2px solid var(--accent);
  border-radius: var(--r-lg); padding: 18px;
}
.es-ready-gauge { text-align: center; flex: none; min-width: 90px; }
.es-ready-gauge strong { display: block; font-size: 2rem; font-family: var(--ff-mono); font-weight: 800; }
.es-ready-gauge span { font-size: 0.74rem; color: var(--text-muted); }
.es-ready-text { flex: 1; min-width: 220px; }
.es-ready-text h3 { margin: 0 0 6px; }
.es-ready-text p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }
.es-badges { display: flex; flex-wrap: wrap; gap: 9px; }
.es-trophy {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 13px; border-radius: 999px;
  background: var(--warn-soft); color: var(--warn); font-weight: 600; font-size: 0.82rem;
}

/* ------------------------------ Ajustes ---------------------------------- */
.es-settings { display: flex; flex-direction: column; gap: 10px; }
.es-setting-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r); padding: 16px;
}
.es-setting-row > div { flex: 1; min-width: 220px; }
.es-setting-row strong { display: block; font-size: 0.92rem; }
.es-setting-row small { color: var(--text-muted); font-size: 0.8rem; }
.es-setting-danger { border-color: var(--danger); }
.es-setting-meta { display: flex; flex-direction: column; gap: 4px; color: var(--text-dim); font-size: 0.78rem; margin-top: 6px; }
.es-setting-meta code { font-family: var(--ff-mono); color: var(--text-muted); }
.es-settings-note { margin: 4px 2px 0; font-size: 0.84rem; font-weight: 600; }
.es-settings-ok { color: var(--ok); }
.es-settings-erro { color: var(--danger); }

/* ------------------------------ Vazio ------------------------------------ */
.es-empty {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  text-align: center;
  background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--r-lg); padding: 40px 24px;
}
.es-empty .es-icon { width: 36px; height: 36px; color: var(--text-dim); }
.es-empty h2 { margin: 0; font-size: 1.2rem; }
.es-empty p { margin: 0; color: var(--text-muted); max-width: 46ch; }

/* link discreto de rodapé (ex.: "Ajustes e progresso") — alvo de toque cheio */
.es-link {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 44px; padding: 10px 4px;
  font: 600 0.85rem var(--ff, sans-serif); color: var(--accent);
  background: transparent; border: 0; cursor: pointer; border-radius: var(--r-sm, 7px);
}
.es-link:hover { color: var(--accent-hover); }

/* ------------------------------ Icones ----------------------------------- */
.es-icon { width: 18px; height: 18px; flex: none; }

/* ------------------------------ Responsivo ------------------------------- */
@media (max-width: 720px) {
  .es-hero h2 { font-size: 1.4rem; }
  /* segmentado de 4 colunas: ícone + rótulo empilhados (sem esconder texto) */
  .es-subnav { gap: 4px; display: grid; grid-template-columns: repeat(4, 1fr); flex-wrap: nowrap; }
  .es-subnav-item { flex-direction: column; gap: 3px; min-height: 52px; padding: 8px 4px; font-size: 0.72rem; }
  .es-subnav-item .es-icon { width: 20px; height: 20px; }
  .es-question { padding: 16px; }
  .es-q-enunciado { font-size: 1.05rem; }
  .es-perf-row { grid-template-columns: 1fr; gap: 4px; }
  .es-perf-row small { justify-self: start; }
  .es-result-head { flex-direction: column; align-items: flex-start; }
}

/* Aviso persistente de falha de gravacao do progresso.
   Aparece no topo de qualquer tela do modulo enquanto o localStorage recusar
   gravar (cota estourada ou janela anonima). Ver estudos-ui.bannerGravacao(). */
.es-save-alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 16px;
  padding: 14px 16px;
  border: 1px solid var(--danger);
  border-radius: 12px;
  background: var(--danger-soft);
}
.es-save-alert > .es-icon { flex: none; color: var(--danger); margin-top: 2px; }
.es-save-alert > div { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.es-save-alert strong { color: var(--danger); font-size: 0.95rem; }
.es-save-alert span { font-size: 0.85rem; line-height: 1.45; }
.es-save-alert .es-btn { flex: none; align-self: center; }

@media (max-width: 560px) {
  .es-save-alert { flex-wrap: wrap; }
  .es-save-alert .es-btn { align-self: stretch; width: 100%; justify-content: center; }
}