/* ─────────── Simulado — fullscreen, no sidebar ─────────── */

.back-home {
  position: fixed; top: 16px; right: 16px; z-index: 99;
  padding: 8px 14px;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  font-size: 13px; font-weight: 600;
  color: var(--brand-blue);
}

/* ─────────── Header (blue) ─────────── */
.sim-header {
  position: relative;
  background: var(--brand-blue);
  height: 110px;
  width: 100%;
}
.sim-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  max-width: 1440px;
  margin: 0 auto;
  gap: 40px;
}
.sim-header-inner.is-center { justify-content: center; }
.sim-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
}
.sim-logo img {
  width: 56px; height: 56px;
  filter: brightness(0) invert(1);
}
.sim-logo span {
  color: white;
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.6px;
}
.sim-user {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-family: var(--font-body);
}
.sim-user-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18) url('../assets/colab-1.png') center/cover no-repeat;
}
.sim-user-name { font-weight: 700; font-size: 14px; line-height: 1.2; }
.sim-user-mail { font-weight: 400; font-size: 12px; opacity: 0.85; line-height: 1.2; }
.sim-timer {
  color: white;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0.3px;
}
.sim-timer strong {
  font-family: var(--font-mono, monospace);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 1px;
  margin-left: 6px;
}

/* ─────────── Screen base ─────────── */
.sim-screen {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 40px 96px;
  font-family: var(--font-body);
  color: var(--text-primary);
}
@media (max-width: 700px) { .sim-screen { padding: 32px 20px 64px; } }

.sim-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--brand-blue);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 0 14px;
}
.sim-section-title {
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 22px;
  color: var(--brand-blue);
  letter-spacing: 0.4px;
  margin: 56px 0 24px;
}
.sim-h1 {
  font-family: var(--font-akagi);
  font-weight: 700;
  font-size: 28px;
  color: var(--neutral-900);
  margin: 12px 0 18px;
}

/* ─────────── Card ─────────── */
.sim-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 40px;
}

/* ─────────── Buttons ─────────── */
.sim-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 28px;
  border-radius: 10px;
  border: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.4px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.1s ease;
}
.sim-btn.primary {
  background: var(--brand-blue);
  color: white;
}
.sim-btn.primary:hover { background: var(--brand-blue-dark); }
.sim-btn.ghost {
  background: transparent;
  color: var(--brand-blue);
  border: 2px solid var(--border-default);
}
.sim-btn.ghost:hover { border-color: var(--brand-blue); }
.sim-btn.block { display: flex; width: 100%; }

/* ─────────── Login ─────────── */
.sim-login {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
@media (max-width: 900px) { .sim-login { grid-template-columns: 1fr; } }

.sim-login-image {
  background: var(--brand-blue) center/cover no-repeat;
}
@media (max-width: 900px) { .sim-login-image { min-height: 220px; } }

.sim-login-form {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: white;
}
.sim-login-card {
  width: 100%;
  max-width: 364px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.sim-login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}
.sim-login-logo img { width: 140px; height: auto; }
.sim-login-logo span {
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 14px;
  color: var(--brand-blue);
  letter-spacing: 0.4px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.field input,
.field textarea {
  height: 50px;
  padding: 0 16px;
  background: white;
  border: 2px solid var(--border-default);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
}
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--brand-blue); }

/* ─────────── Briefing (Início 1) ─────────── */
.briefing {
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.briefing-title {
  font-family: var(--font-akagi);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.4px;
  color: var(--neutral-900);
  margin: 0 0 10px;
  text-align: center;
}
.briefing-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
}
.briefing-list li { font-weight: 500; }
.briefing-meta {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}
.briefing-meta strong { color: var(--text-primary); }
.briefing-cta {
  text-align: center;
  font-weight: 700;
  color: var(--brand-blue);
  letter-spacing: 0.6px;
  margin: 12px 0 6px;
  font-size: 15px;
}
.briefing-tip {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

/* Checkbox row */
.sim-checkbox-row { margin: 6px 0 0; }
.sim-checkbox {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  align-items: start;
  cursor: pointer;
}
.sim-checkbox input { display: none; }
.sim-checkbox .checkmark {
  width: 26px; height: 26px;
  border-radius: 4px;
  background: var(--brand-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sim-checkbox .checkmark svg { width: 18px; height: 18px; }
.sim-checkbox input:not(:checked) ~ .checkmark {
  background: white;
  border: 2px solid var(--border-default);
}
.sim-checkbox input:not(:checked) ~ .checkmark svg { display: none; }
.sim-checkbox strong {
  display: block;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.sim-checkbox em {
  font-style: normal;
  font-weight: 500;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* ─────────── Dashboard (Início 2) ─────────── */
.sim-dashboard {}
.sim-chart-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 24px 28px 16px;
  max-width: 760px;
}
.sim-chart {
  width: 100%;
  height: auto;
  display: block;
}
.sim-chart .axis text {
  font-family: var(--font-body);
  font-size: 11px;
  fill: var(--text-muted);
  text-anchor: end;
}
.sim-chart .data-label text {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  fill: var(--brand-blue);
  text-anchor: middle;
}
.sim-chart .x-label text {
  font-family: var(--font-body);
  font-size: 11px;
  fill: var(--text-muted);
  text-anchor: middle;
}
.sim-chart-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}
.sim-chart-legend .dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brand-blue);
  border: 2px solid white;
  box-shadow: 0 0 0 1px var(--brand-blue);
}

.sim-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 350px));
  gap: 24px;
}
.sim-tile {
  background: white;
  border-radius: var(--radius-xl);
  border: 2px solid var(--border-default);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.15s ease, border-color 0.15s ease;
  min-height: 149px;
}
.sim-tile:hover {
  transform: translateY(-2px);
  border-color: var(--brand-blue);
}
.sim-tile.finished { border-color: var(--color-success); }
.sim-tile-tag {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  background: rgba(14,147,242,0.12);
  color: var(--brand-blue);
}
.sim-tile-tag.finished {
  background: rgba(39,133,86,0.12);
  color: var(--color-success);
}
.sim-tile-title {
  font-family: var(--font-akagi);
  font-weight: 700;
  font-size: 18px;
  color: var(--neutral-900);
}
.sim-tile-meta { font-size: 13px; color: var(--text-muted); }
.sim-tile-bar {
  height: 6px;
  background: var(--neutral-250);
  border-radius: 999px;
  overflow: hidden;
  margin-top: auto;
}
.sim-tile-bar > span {
  display: block;
  height: 100%;
  background: var(--brand-blue);
}
.sim-tile.finished .sim-tile-bar > span { background: var(--color-success); }

/* ─────────── Review (Início 3 — gabarito) ─────────── */
.sim-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 12px;
}
.sim-back:hover { color: var(--brand-blue); }
.sim-back svg { width: 18px; height: 18px; }

.sim-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.sim-meta-pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--neutral-150);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.sim-meta-pill strong { color: var(--brand-blue); margin-left: 4px; }

.qgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 1100px;
}
.qcol {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-default);
}
.qcol-head {
  background: var(--brand-blue);
  color: white;
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 16px;
  letter-spacing: 0.4px;
}
.qrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  letter-spacing: 0.4px;
  background: white;
}
.qrow.odd { background: var(--neutral-150); }
.qrow strong { font-weight: 700; }
.qrow .green { color: var(--color-success); }
.qrow .red { color: var(--color-danger); }

/* ─────────── Exam (Início 4 — em prova) ─────────── */
.sim-exam {
  max-width: 980px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.exam-progress {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}
.exam-progress-text {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.exam-progress-text strong { color: var(--brand-blue); font-weight: 700; }
.exam-progress-bar {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--neutral-250);
  overflow: hidden;
}
.exam-progress-bar > span {
  display: block;
  height: 100%;
  background: var(--brand-blue);
}

.exam-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 36px 40px;
}
.exam-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.exam-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(14,147,242,0.10);
  color: var(--brand-blue);
  font-family: var(--font-akagi);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.4px;
}
.exam-area {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.exam-stem {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-primary);
  margin: 0 0 24px;
}
.exam-options {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.exam-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 2px solid var(--border-default);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  font-size: 15px;
  color: var(--text-primary);
}
.exam-option:hover { border-color: var(--brand-blue-soft); background: rgba(14,147,242,0.04); }
.exam-option.is-selected {
  border-color: var(--brand-blue);
  background: rgba(14,147,242,0.08);
}
.exam-option .bullet {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--neutral-150);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-akagi);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.exam-option.is-selected .bullet {
  background: var(--brand-blue);
  color: white;
}

.exam-textarea {
  width: 100%;
  min-height: 140px;
  padding: 14px 16px;
  border: 2px solid var(--border-default);
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  resize: vertical;
  margin-bottom: 24px;
}
.exam-textarea:focus { outline: none; border-color: var(--brand-blue); }

.exam-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}