/* ==========================================================================
   Naval Cidinha — Quiz Stylesheet
   Simulados Arrais-Amador
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-navy: #0B2545;
  --color-teal: #147D92;
  --color-light-bg: #EAF4F7;
  --color-white: #FFFFFF;
  --color-gold: #F2B544;
  --color-dark-text: #273746;
  --color-footer-bg: #071A30;
  --color-gold-hover: #d9a03a;
  --color-teal-hover: #0f6375;
  --color-green: #197647;
  --color-red: #b42318;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --container-max: 900px;
  --container-padding: 1rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 50%;

  --shadow-sm: 0 2px 8px rgba(11,37,69,0.08);
  --shadow-md: 0 4px 20px rgba(11,37,69,0.12);
  --shadow-lg: 0 8px 24px rgba(11,37,69,0.05);

  --transition: 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-light-bg);
  color: var(--color-dark-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Header ---------- */
header {
  background: linear-gradient(135deg, var(--color-navy) 0%, #0d3058 100%);
  color: var(--color-white);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
}

.wrap {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

header h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--color-white);
}

header p {
  margin: 0.5rem 0 0;
  opacity: 0.9;
  font-size: 1.05rem;
}

/* ---------- Main Content ---------- */
main {
  padding: 2rem 0 3rem;
}

/* ---------- Panel ---------- */
.panel {
  background: var(--color-white);
  border: 1px solid rgba(11,37,69,0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

/* ---------- Panel title ---------- */
.panel-title {
  font-family: var(--font-heading);
  color: var(--color-navy);
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

/* ---------- Links ---------- */
a {
  color: var(--color-teal);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-teal-hover);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* ---------- Quiz Links ---------- */
.quizlink {
  display: block;
  background: var(--color-white);
  border: 2px solid rgba(11,37,69,0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-dark-text);
  transition: all var(--transition);
}

.quizlink:hover {
  border-color: var(--color-teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.quizlink strong {
  display: block;
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.muted {
  color: var(--color-dark-text);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* ---------- Progress ---------- */
.progressrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.progressrow strong {
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
}

.track {
  height: 8px;
  background: rgba(11,37,69,0.08);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-teal) 0%, var(--color-gold) 100%);
  width: 0;
  transition: width 0.3s ease;
}

/* ---------- Question ---------- */
.question {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

/* ---------- Options ---------- */
.option {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 2px solid rgba(11,37,69,0.1);
  border-radius: var(--radius-md);
  margin: 0.75rem 0;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--color-white);
}

.option:hover {
  border-color: var(--color-teal);
  background: var(--color-light-bg);
}

.option input {
  margin-top: 4px;
  accent-color: var(--color-teal);
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.option.selected {
  border-color: var(--color-teal);
  background: rgba(20,125,146,0.08);
}

.option img,
.qimage {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
}

/* ---------- Buttons ---------- */
.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  margin-top: 2rem;
}

.btn {
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:not(.secondary) {
  background: var(--color-teal);
  color: var(--color-white);
}

.btn:not(.secondary):hover {
  background: var(--color-teal-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn.secondary {
  background: var(--color-light-bg);
  color: var(--color-navy);
}

.btn.secondary:hover {
  background: rgba(11,37,69,0.08);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- Note ---------- */
.note {
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  background: rgba(242,181,68,0.1);
  border: 2px solid rgba(242,181,68,0.3);
  color: var(--color-dark-text);
  margin: 1.5rem 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

.note strong {
  color: var(--color-navy);
}

/* ---------- Results ---------- */
.resultscore {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-navy);
  margin: 1rem 0;
}

/* ---------- Review ---------- */
.review {
  border-top: 2px solid rgba(11,37,69,0.08);
  padding: 1.5rem 0;
  margin-top: 1.5rem;
}

.review:first-of-type {
  margin-top: 2rem;
}

.correct {
  color: var(--color-green);
  font-weight: 700;
}

.wrong {
  color: var(--color-red);
  font-weight: 700;
}

.review ul {
  padding-left: 1.5rem;
  margin: 1rem 0;
}

.review li {
  margin: 0.5rem 0;
  line-height: 1.7;
}

.small {
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */
.footer {
  margin-top: 2rem;
  color: var(--color-dark-text);
  opacity: 0.7;
  font-size: 0.9rem;
  text-align: center;
}

.footer a {
  font-weight: 600;
}

/* ---------- Password Gate ---------- */
#passwordGate {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-navy) 0%, #0d3058 100%);
  font-family: var(--font-body);
}

#passwordGate .loginbox {
  width: min(100%, 420px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
  color: var(--color-dark-text);
}

#passwordGate h2 {
  margin: 0 0 0.5rem;
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
}

#passwordGate p {
  margin: 0 0 1.5rem;
  color: var(--color-dark-text);
  opacity: 0.8;
}

#passwordGate input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid rgba(11,37,69,0.15);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition);
}

#passwordGate input:focus {
  outline: none;
  border-color: var(--color-teal);
}

#passwordGate button {
  width: 100%;
  padding: 1rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-teal);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}

#passwordGate button:hover {
  background: var(--color-teal-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

#passwordError {
  color: var(--color-red);
  font-size: 0.9rem;
  min-height: 1.3em;
  margin-top: 0.75rem;
  font-weight: 600;
}

html.locked body {
  overflow: hidden;
}

html.locked body > header,
html.locked body > main {
  visibility: hidden;
}

#passwordGate .gate-back {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
  header {
    padding: 2.5rem 2rem;
  }

  .panel {
    padding: 2.5rem;
  }

  .question {
    font-size: 1.3rem;
  }

  .option {
    padding: 1.25rem 1.5rem;
  }
}

@media (max-width: 520px) {
  header {
    padding: 1.75rem 1.25rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .buttons .btn {
    flex: 1;
    min-width: 120px;
  }

  .progressrow {
    font-size: 0.9rem;
  }

  .resultscore {
    font-size: 2rem;
  }
}

/* ---------- Print ---------- */
@media print {
  header,
  .buttons,
  .footer {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .panel {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}