/* ══════════════════════════════════════════
   APROBADOS YA — Stylesheet
   Tema: Blanco hueso + Verde oliva elegante
══════════════════════════════════════════ */

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


:root {
  /* ── Fondos Clarisimos (Modo Claro) ── */
  --bg:       #F2F3E6; /* Un blanco hueso más marcado y cálido */
  --bg-card:  #FFFFFF;
  --bg-warm:  #E8EAD9;
  --bg-muted: #DFE1CE;
  --bg-header: rgba(242, 243, 230, 0.85);

  /* ── Verde oliva (principal) ── */
  --olive:       #5C6B1A;
  --olive-hover: #4A5514;
  --olive-light: #728021;
  --olive-pale:  #F4F6EB;
  --olive-soft:  #DCE3B3;
  --olive-border:#C8D38B;

  /* ── Texto ── */
  --text:     #1C1E15;
  --text2:    #585C4D;
  --text3:    #8C927A;
  --text-inv: #FFFFFF;

  /* ── Bordes ── */
  --border:   rgba(0, 0, 0, 0.08);
  --border2:  rgba(0, 0, 0, 0.12);

  /* ── Estado Correcto ── */
  --green:    #3B7A3F;
  --green-bg: #EAF5EB;
  --green-brd:#A8D4AA;

  /* ── Estado Incorrecto ── */
  --red:      #C0392B;
  --red-bg:   #FDECEA;
  --red-brd:  #F0B4AE;

  /* ── Neutro ── */
  --grey:    #8A8A8A;
  --grey-bg: #F4F4F4;

  /* ── Tipografía ── */
  --font: 'Inter', system-ui, -apple-system, sans-serif;

  /* ── Espaciado, Sombras Premium y Efectos ── */
  --header-h: 68px;
  --radius:   18px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  
  --shadow:      0 8px 32px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.02);
  --shadow-md:   0 16px 48px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.03);
  --shadow-glow: 0 8px 24px rgba(92,107,26,0.25);
  
  --glass-blur: blur(16px);
  --t: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

body.dark-theme {
  --bg:       #121212;
  --bg-card:  #1E1E1E;
  --bg-warm:  #252525;
  --bg-muted: #2C2C2C;
  --bg-header: rgba(18, 18, 18, 0.85);

  --olive:       #7F9A38;
  --olive-hover: #96B543;
  --olive-light: #6A822D;
  --olive-pale:  rgba(127, 154, 56, 0.15);
  --olive-soft:  rgba(127, 154, 56, 0.25);
  --olive-border:rgba(127, 154, 56, 0.4);

  --text:     #F5F5F5;
  --text2:    #B0B0B0;
  --text3:    #808080;
  --text-inv: #121212;

  --border:   rgba(255, 255, 255, 0.08);
  --border2:  rgba(255, 255, 255, 0.12);

  --green-bg: rgba(59, 122, 63, 0.2);
  --green-brd:rgba(59, 122, 63, 0.5);
  --red-bg:   rgba(192, 57, 43, 0.2);
  --red-brd:  rgba(192, 57, 43, 0.5);
  --grey-bg:  rgba(255,255,255, 0.05);

  --shadow:      0 8px 32px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:   0 16px 48px rgba(0,0,0,0.7), 0 4px 16px rgba(0,0,0,0.5);
  --shadow-glow: 0 8px 24px rgba(127, 154, 56, 0.2);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ══════════════════════════════
   HEADER
══════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-header);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.04);
  height: var(--header-h);
  border-top: 3px solid var(--olive);
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 20px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(140deg, var(--olive-light), var(--olive));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px; font-weight: 900; letter-spacing: -0.5px;
  box-shadow: 0 3px 10px rgba(92,107,26,0.35);
}
.logo-text { display: flex; align-items: baseline; }
.logo-a  { font-size: 18px; font-weight: 800; letter-spacing: -0.4px; color: var(--text); }
.logo-ya { font-size: 18px; font-weight: 800; letter-spacing: -0.4px; color: var(--olive-light); }

/* ── Navegación Principal (PC) ── */
.main-nav {
  display: flex; align-items: center; gap: 4px;
  margin-left: 20px;
}
.nav-link {
  color: var(--text2); font-weight: 500; font-size: 14px;
  padding: 8px 16px; border-radius: 8px; text-decoration: none;
  transition: all var(--t);
}
.nav-link:hover {
  background: var(--bg-muted); color: var(--text);
}
.nav-link.active {
  background: var(--olive-pale); color: var(--olive); font-weight: 600;
}

/* ── Navegación Derecha (PC) ── */
.right-nav {
  display: flex; align-items: center; gap: 12px; margin-left: auto;
}
.streak-indicator {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-warm); padding: 6px 12px; border-radius: 20px;
  font-size: 14px; font-weight: 700; color: #E67E22;
  border: 1px solid var(--border2);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}
.streak-indicator span { color: var(--text); }

.nav-icon-link {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); font-size: 16px; text-decoration: none;
  transition: all var(--t); cursor: pointer; box-shadow: var(--shadow);
}
.nav-icon-link:hover {
  border-color: var(--olive); color: var(--olive);
  background: var(--olive-pale); transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.theme-toggle-btn, .profile-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); font-size: 16px; cursor: pointer;
  transition: all var(--t); box-shadow: var(--shadow);
}
.theme-toggle-btn:hover, .profile-btn:hover {
  border-color: var(--olive); color: var(--olive);
  background: var(--olive-pale); transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ── Menú Móvil ── */
.mobile-menu-btn {
  display: none; width: 38px; height: 38px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); font-size: 20px; cursor: pointer;
  margin-left: auto;
}
.mobile-nav-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.5); z-index: 1000;
  opacity: 0; pointer-events: none; transition: opacity var(--t);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.mobile-nav-overlay.active { opacity: 1; pointer-events: auto; }
.mobile-nav-content {
  position: absolute; top: 0; right: -300px; width: 280px; height: 100%;
  background: var(--bg); box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  padding: 80px 24px 24px; transition: right var(--t);
  display: flex; flex-direction: column; gap: 8px;
}
.mobile-nav-overlay.active .mobile-nav-content { right: 0; }
.mobile-nav-close {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none; font-size: 24px; color: var(--text2);
  cursor: pointer;
}
.mobile-nav-link {
  display: block; padding: 14px 16px; font-size: 16px; font-weight: 600;
  color: var(--text); text-decoration: none; border-radius: 12px;
}
.mobile-nav-link:hover, .mobile-nav-link.active {
  background: var(--olive-pale); color: var(--olive);
}
.mobile-nav-stats {
  margin-top: 20px; padding: 14px 16px; background: var(--bg-warm);
  border-radius: 12px; font-weight: 600;
}
.mobile-theme-btn, .mobile-profile-btn {
  margin-top: 8px; width: 100%; padding: 14px; border: 1px solid var(--border);
  background: var(--bg-card); border-radius: 12px; font-size: 16px;
  font-weight: 600; color: var(--text); cursor: pointer; text-align: left;
}
.mobile-theme-btn:hover, .mobile-profile-btn:hover { background: var(--bg-muted); }

@media (max-width: 800px) {
  .main-nav { display: none; }
  .right-nav { display: none; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
}


/* ══════════════════════════════
   PANTALLA SISTEMA
══════════════════════════════ */
.screen { display: none; }
.screen.active { display: block; animation: fadeIn 0.22s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════
   PANTALLA 1: INICIO / SELECCIÓN PERMISO
══════════════════════════════ */
.home-wrap {
  max-width: 1160px; margin: 0 auto; padding: 48px 24px 64px;
}
.home-hero { text-align: center; margin-bottom: 44px; }
.home-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--olive-pale); border: 1px solid var(--olive-border);
  color: var(--olive); border-radius: 99px;
  padding: 6px 16px; font-size: 12.5px; font-weight: 700;
  margin-bottom: 20px; letter-spacing: 0.2px;
}
.home-hero h1 {
  font-size: 2.8rem; font-weight: 900; letter-spacing: -1.5px;
  line-height: 1.1; color: var(--text); margin-bottom: 16px;
}
.home-sub {
  font-size: 16px; color: var(--text2); line-height: 1.7;
  max-width: 560px; margin: 0 auto;
}

/* Grid de permisos */
.permits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.permit-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 22px 18px 20px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  cursor: pointer; transition: all var(--t);
  box-shadow: var(--shadow);
  user-select: none;
}
.permit-card:hover {
  border-color: var(--olive); transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(92,107,26,0.14);
}
.permit-card:active { transform: translateY(-1px); }
.permit-icon { font-size: 32px; line-height: 1; }
.permit-name { font-size: 14.5px; font-weight: 700; color: var(--text); line-height: 1.3; }
.permit-desc { font-size: 12px; color: var(--text3); line-height: 1.45; margin-top: -2px; }
.permit-arrow {
  margin-top: auto; padding-top: 10px; width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.permit-topics-count { font-size: 11px; font-weight: 600; color: var(--olive); background: var(--olive-pale); border-radius: 99px; padding: 3px 10px; }
.permit-caret { color: var(--text3); font-size: 13px; transition: transform var(--t); }
.permit-card:hover .permit-caret { transform: translateX(3px); }

/* ══════════════════════════════
   INNER PAGES (Temas, Tests)
══════════════════════════════ */
.inner-wrap {
  max-width: 1080px; margin: 0 auto; padding: 36px 24px 64px;
}
.page-header {
  display: flex; align-items: center; gap: 20px; margin-bottom: 40px;
  flex-wrap: wrap;
}
.back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  color: var(--text2); border-radius: var(--radius-sm);
  padding: 9px 16px; font-size: 13px; font-weight: 600;
  transition: all var(--t); white-space: nowrap; flex-shrink: 0;
  box-shadow: var(--shadow);
}
.back-btn:hover { border-color: var(--olive); color: var(--olive); background: var(--olive-pale); }
.back-btn.sm { padding: 7px 13px; font-size: 12px; }

.page-header-info { flex: 1; min-width: 0; }
.page-permit-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--olive-pale); border: 1px solid var(--olive-border);
  color: var(--olive); border-radius: 99px;
  padding: 4px 12px; font-size: 11.5px; font-weight: 700;
  margin-bottom: 8px;
}
.page-header-info h2 { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.6px; margin-bottom: 5px; }
.page-subtitle { color: var(--text2); font-size: 14px; }

/* ══════════════════════════════
   PANTALLA 2: TEMAS
══════════════════════════════ */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.topic-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px 18px;
  display: flex; align-items: center; gap: 16px;
  cursor: pointer; transition: all var(--t);
  box-shadow: var(--shadow);
}
.topic-card:hover {
  border-color: var(--olive); transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(92,107,26,0.12);
}
.topic-icon { font-size: 28px; flex-shrink: 0; }
.topic-info { flex: 1; min-width: 0; }
.topic-name { font-size: 14px; font-weight: 700; margin-bottom: 3px; line-height: 1.3; word-break: break-word; overflow-wrap: break-word; }
.topic-meta { font-size: 12px; color: var(--text3); }
.topic-caret { color: var(--text3); flex-shrink: 0; transition: transform var(--t); }
.topic-card:hover .topic-caret { transform: translateX(3px); }

/* ══════════════════════════════
   PANTALLA 3: TESTS GRID (100)
══════════════════════════════ */
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.test-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 16px 14px 14px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--shadow); transition: border-color var(--t);
  position: relative;
}
.test-card:hover { border-color: var(--olive-border); }
.test-card-num {
  font-size: 18px; font-weight: 900; letter-spacing: -0.5px; color: var(--text);
  line-height: 1;
}
.test-card-meta { font-size: 11.5px; color: var(--text3); font-weight: 500; margin-top: -2px; }
.test-status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 700; border-radius: 99px;
  padding: 2px 8px; width: fit-content;
}
.test-status-badge.full    { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-brd); }
.test-status-badge.partial { background: var(--olive-pale); color: var(--olive); border: 1px solid var(--olive-border); }
.test-status-badge.empty   { background: var(--grey-bg); color: var(--grey); border: 1px solid #DEDEDE; }

.test-card-btns { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.tc-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: var(--radius-sm); padding: 8px 10px;
  font-size: 12px; font-weight: 700; cursor: pointer;
  transition: all var(--t); border: none; width: 100%;
}
.tc-btn.primary {
  background: linear-gradient(135deg, var(--olive-light), var(--olive));
  color: #fff; box-shadow: 0 3px 10px rgba(92,107,26,0.3);
}
.tc-btn.primary:hover { transform: translateY(-1px); box-shadow: 0 5px 16px rgba(92,107,26,0.4); }
.tc-btn.secondary {
  background: var(--olive-pale); color: var(--olive);
  border: 1px solid var(--olive-border);
}
.tc-btn.secondary:hover { background: var(--olive-soft); }

.test-card.empty-test .tc-btn.primary { opacity: 0.45; pointer-events: none; }
.test-card.empty-test .tc-btn.secondary { opacity: 0.45; pointer-events: none; }

/* ══════════════════════════════
   PANTALLA 4A: TEST EN CURSO
══════════════════════════════ */
.test-wrap { min-height: calc(100vh - var(--header-h)); background: var(--bg); }

.test-topbar {
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  padding: 14px 24px; display: flex; align-items: center; gap: 16px;
  position: sticky; top: var(--header-h); z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.test-info-center { flex: 1; min-width: 0; }
.test-label { font-size: 12px; font-weight: 600; color: var(--text3); margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.test-progress-wrap { display: flex; align-items: center; gap: 10px; }
.test-prog-bar {
  flex: 1; height: 9px; background: var(--bg-muted);
  border-radius: 99px; overflow: hidden;
}
.test-prog-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--olive-light), var(--olive));
  transition: width 0.4s cubic-bezier(0.4,0,0.2,1);
}
.test-prog-text { font-size: 11.5px; color: var(--text3); font-weight: 600; white-space: nowrap; }

.test-counter-badge {
  background: var(--olive-pale); border: 1px solid var(--olive-border);
  border-radius: 99px; padding: 5px 13px;
  font-size: 13px; font-weight: 800; color: var(--olive); white-space: nowrap;
}

/* Question layout (PREMIUM) */
.test-question-wrap {
  max-width: 780px; margin: 0 auto; padding: 40px 24px 80px;
}
.question-card {
  background: var(--bg-card); 
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: 24px; padding: 40px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.03);
  animation: qFadeIn 0.3s cubic-bezier(0.2, 0, 0, 1);
}
@keyframes qFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.question-num {
  font-size: 11.5px; font-weight: 800; color: #fff;
  background: var(--text); border: none;
  display: inline-block; border-radius: 99px; padding: 5px 14px; margin-bottom: 24px;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.question-img {
  background: var(--bg-warm); border: 1px solid rgba(0,0,0,0.03);
  border-radius: 16px; min-height: 140px;
  display: flex; align-items: center; justify-content: center;
  font-size: 50px; margin-bottom: 24px; overflow: hidden;
}
.question-text {
  font-size: 19px; font-weight: 600; line-height: 1.5;
  color: var(--text); margin-bottom: 32px;
}

/* Options */
.question-options { display: flex; flex-direction: column; gap: 12px; }
.option-btn {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: 14px; padding: 16px 20px;
  text-align: left; color: var(--text); font-size: 15px; font-weight: 500; line-height: 1.45;
  cursor: pointer; transition: all 0.2s ease; width: 100%;
}
.option-btn:hover:not(:disabled) {
  border-color: var(--olive-border); background: var(--olive-pale);
  transform: translateX(4px); box-shadow: 0 4px 12px rgba(92,107,26,0.08);
}
.option-letter {
  min-width: 28px; height: 28px; border-radius: 50%;
  background: var(--border); color: var(--text2);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; flex-shrink: 0; margin-top: -1px;
  transition: all 0.2s ease;
}
.option-btn.correct-opt { border-color: var(--green); background: var(--green-bg); color: var(--green); box-shadow: 0 4px 16px rgba(59,122,63,0.15); }
.option-btn.correct-opt .option-letter { background: var(--green); color: #fff; border-color: var(--green); }
.option-btn.wrong-opt   { border-color: var(--red);   background: var(--red-bg);   color: var(--red); }
.option-btn.wrong-opt   .option-letter { background: var(--red);   color: #fff; border-color: var(--red); }
.option-btn:disabled { cursor: default; }

/* Feedback */
.question-feedback {
  margin-top: 24px; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(0,0,0,0.04); animation: fadeIn 0.3s ease;
  box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}
.feedback-header {
  padding: 11px 16px; font-size: 13.5px; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.feedback-header.correct { background: var(--green-bg); color: var(--green); border-bottom: 1px solid var(--green-brd); }
.feedback-header.wrong   { background: var(--red-bg);   color: var(--red);   border-bottom: 1px solid var(--red-brd); }
.feedback-explanation {
  padding: 13px 16px; font-size: 13.5px; color: var(--text2);
  line-height: 1.65; background: var(--bg-warm);
}
.next-question-btn {
  display: flex; align-items: center; justify-content: center; width: 100%;
  padding: 13px 20px; margin-top: 0; border-top: 1px solid var(--border);
  background: linear-gradient(135deg, var(--olive-light), var(--olive));
  color: #fff; border: none; font-size: 14.5px; font-weight: 700;
  cursor: pointer; transition: all var(--t);
}
.next-question-btn:hover { filter: brightness(1.08); }

/* ══════════════════════════════
   PANTALLA 4B: MEMORIZACIÓN (PREMIUM)
══════════════════════════════ */
.memo-list { display: flex; flex-direction: column; gap: 24px; }
.memo-card {
  background: var(--bg-card); 
  border: 1px solid rgba(0,0,0,0.04);
  border-radius: 20px; 
  overflow: hidden; 
  box-shadow: 0 12px 36px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.02);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.memo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.03);
}
.memo-card-header {
  background: linear-gradient(180deg, #FAFAFA, #FFFFFF);
  padding: 16px 24px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  display: flex; align-items: center; gap: 12px;
}
.memo-qnum {
  background: var(--text); color: #fff;
  border-radius: 99px; padding: 4px 14px;
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.5px; text-transform: uppercase;
}
.memo-card-body { padding: 24px; }
.memo-text { font-size: 17px; font-weight: 600; line-height: 1.5; color: var(--text); margin-bottom: 24px; padding: 0 24px; margin-top: 10px; }

.memo-img {
  background: var(--bg-warm); border: 1px solid rgba(0,0,0,0.03);
  border-radius: 12px; min-height: 120px;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; margin: 0 24px 24px; overflow: hidden;
}

.memo-options-list { display: flex; flex-direction: column; gap: 10px; padding: 0 24px 16px; }
.memo-option {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 18px; border-radius: 12px;
  font-size: 14.5px; line-height: 1.45; font-weight: 500;
  border: 1.5px solid var(--border); background: var(--bg-card);
  transition: all 0.2s ease;
}
.memo-option:hover {
  border-color: var(--olive-border); background: var(--olive-pale);
}
.memo-option.correct {
  border-color: var(--green); background: var(--green-bg); color: var(--green); font-weight: 600;
  box-shadow: 0 4px 12px rgba(59,122,63,0.1);
}
.memo-option span:first-child { /* The Letter */
  min-width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; margin-top: -2px;
  background: var(--border); color: var(--text2);
}
.memo-option.correct span:first-child { background: var(--green); color: #fff; }

.memo-explanation {
  font-size: 13.5px; color: var(--text2); line-height: 1.6;
  background: var(--bg-warm); border-radius: 12px;
  padding: 14px 20px; border: 1px solid rgba(0,0,0,0.03);
  margin: 0 24px 24px; position: relative;
}
.memo-explanation::before {
  content: '💡 Explicación';
  display: block; font-size: 11px; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--text3); margin-bottom: 6px;
}
.memo-placeholder-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #FFF3CD; border: 1px solid #E6C87A; color: #8A6B00;
  border-radius: 99px; padding: 4px 12px; font-size: 12px; font-weight: 700;
  margin: 0 24px 16px;
}

/* ══════════════════════════════
   PANTALLA 5: RESULTADO
══════════════════════════════ */
.result-wrap { display: flex; justify-content: center; padding: 48px 24px 64px; }
.result-card {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 36px;
  max-width: 640px; width: 100%; box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.result-score-circle {
  width: 110px; height: 110px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 4px solid var(--green); background: var(--green-bg);
  box-shadow: 0 4px 24px rgba(59,122,63,0.2);
  transition: border-color 0.3s, background 0.3s;
}
.result-score-circle.fail { border-color: var(--red); background: var(--red-bg); }
.result-emoji { font-size: 30px; line-height: 1; }
.result-score-text { font-size: 18px; font-weight: 900; color: var(--text); margin-top: 2px; }
.result-title { font-size: 1.8rem; font-weight: 900; letter-spacing: -0.5px; text-align: center; }
.result-subtitle { color: var(--text2); font-size: 14.5px; text-align: center; line-height: 1.6; }
.result-stats { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; width: 100%; }
.rs-pill {
  display: flex; flex-direction: column; align-items: center;
  background: var(--bg-warm); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 18px; min-width: 90px;
}
.rs-val { font-size: 20px; font-weight: 900; color: var(--text); }
.rs-pill.green .rs-val { color: var(--green); }
.rs-pill.red   .rs-val { color: var(--red); }
.rs-lab { font-size: 11px; color: var(--text3); font-weight: 500; margin-top: 3px; }

.result-review { width: 100%; max-height: 360px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.rr-item { display: flex; align-items: flex-start; gap: 10px; padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.rr-item:last-child { border-bottom: none; }
.rr-item.ok  { border-left: 3px solid var(--green); }
.rr-item.err { border-left: 3px solid var(--red); }
.rr-icon { font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.rr-content { flex: 1; min-width: 0; }
.rr-q { color: var(--text); font-weight: 500; line-height: 1.4; margin-bottom: 3px; }
.rr-ans { font-size: 12px; }
.rr-ans .ok-a  { color: var(--green); font-weight: 600; }
.rr-ans .err-a { color: var(--red); text-decoration: line-through; margin-right: 5px; }

.result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; width: 100%; }

/* ══════════════════════════════
   BOTONES GENERALES
══════════════════════════════ */
.primary-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: linear-gradient(135deg, var(--olive-light), var(--olive));
  color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 12px 28px; font-size: 14px; font-weight: 700; cursor: pointer;
  box-shadow: 0 4px 14px rgba(92,107,26,0.35); transition: all var(--t);
}
.primary-btn:hover { transform: translateY(-2px); box-shadow: 0 7px 22px rgba(92,107,26,0.45); }

.outline-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--bg-card); color: var(--text2); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 28px; font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all var(--t);
}
.outline-btn:hover { border-color: var(--olive); color: var(--olive); background: var(--olive-pale); }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 768px) {
  .home-hero h1 { font-size: 2rem; }
  .permits-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .topics-grid  { grid-template-columns: 1fr; }
  .tests-grid   { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .test-card    { padding: 12px 10px 10px; }
  .test-card-num { font-size: 15px; }
  .tc-btn       { font-size: 11px; padding: 7px 8px; }
  .question-card { padding: 20px 16px; }
  .question-text { font-size: 15px; }
  .result-card   { padding: 28px 20px; }
  .result-stats  { gap: 8px; }
  .rs-pill       { padding: 10px 14px; min-width: 75px; }
  .page-header-info h2 { font-size: 1.4rem; }
}
@media (max-width: 480px) {
  .permits-grid { grid-template-columns: 1fr; }
  .tests-grid   { grid-template-columns: repeat(2, 1fr); }
  .test-topbar  { padding: 10px 14px; gap: 10px; }
  .test-counter-badge { display: none; }
  .header-inner { padding: 0 16px; }
  .inner-wrap   { padding: 24px 16px 48px; }
  .home-wrap    { padding: 28px 16px 48px; }
}


/* ── Tarjeta de Bienvenida ── */
.welcome-card {
  background: var(--bg-card); border-radius: 16px; padding: 24px;
  margin-bottom: 30px; box-shadow: var(--shadow);
  display: flex; justify-content: space-between; align-items: center;
  border: 1px solid var(--border); animation: fadeIn 0.4s ease;
  position: relative; overflow: hidden;
}
.welcome-card::before {
  content: ''; position: absolute; left: 0; top: 0; width: 6px; height: 100%;
  background: var(--olive);
}
.wc-info h3 { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.wc-info p { font-size: 14px; color: var(--text2); margin-bottom: 12px; }
.wc-progress { width: 100%; height: 6px; background: var(--bg-muted); border-radius: 3px; overflow: hidden; max-width: 200px; }
.wc-progress-bar { height: 100%; background: var(--olive); width: 0%; border-radius: 3px; }
.wc-btn {
  background: var(--olive); color: white; border: none; padding: 12px 24px;
  border-radius: 10px; font-weight: 700; cursor: pointer; transition: all var(--t);
  box-shadow: 0 4px 12px rgba(92,107,26,0.3);
}
.wc-btn:hover { background: var(--olive-hover); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
@media (max-width: 600px) {
  .welcome-card { flex-direction: column; align-items: flex-start; gap: 16px; }
}

/* ── Modal Perfil ── */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.5); z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity var(--t);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content {
  background: var(--bg-card); width: 90%; max-width: 400px;
  border-radius: 20px; padding: 30px; position: relative;
  box-shadow: var(--shadow-md); transform: scale(0.95); transition: transform var(--t);
  border: 1px solid var(--border);
}
.modal-overlay.active .modal-content { transform: scale(1); }
.modal-close {
  position: absolute; top: 20px; right: 20px; background: none; border: none;
  font-size: 20px; color: var(--text2); cursor: pointer;
}
.profile-header { text-align: center; margin-bottom: 24px; }
.profile-avatar {
  width: 64px; height: 64px; background: var(--olive-pale); color: var(--olive);
  font-size: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; margin: 0 auto 12px;
}
.profile-header h3 { font-size: 24px; font-weight: 800; color: var(--text); }
.profile-stats { display: flex; flex-direction: column; gap: 12px; }
.p-stat {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-warm); padding: 16px; border-radius: 12px;
  border: 1px solid var(--border2);
}
.p-stat-val { font-size: 20px; font-weight: 800; color: var(--olive); }
.p-stat-lbl { font-size: 14px; font-weight: 600; color: var(--text2); }

/* ── Progreso Grid ── */
.progress-stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px; margin-top: 20px;
}
.progress-card {
  background: var(--bg-card); padding: 24px; border-radius: 16px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  text-align: center;
}
.progress-card h4 { color: var(--text2); font-size: 14px; margin-bottom: 8px; }
.progress-card .val { color: var(--text); font-size: 36px; font-weight: 900; }
.progress-card.olive .val { color: var(--olive); }

/* ── Tarjetas de Inicio Fase 1 ── */
.home-top-cards {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
}
@media (max-width: 900px) {
  .home-top-cards { grid-template-columns: 1fr; }
}
.home-card-btn {
  background: var(--bg-card); border-radius: 16px; padding: 20px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  cursor: pointer; transition: all var(--t); text-align: center;
}
.home-card-btn:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-glow); border-color: var(--olive);
}
.home-card-btn h3 { font-size: 16px; margin-top: 8px; color: var(--text); }
.home-card-btn .icon { font-size: 32px; }

/* ── Progreso Avanzado ── */
.progress-list { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.progress-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-card); padding: 16px; border-radius: 12px;
  border: 1px solid var(--border);
}
.progress-item-name { font-weight: 600; color: var(--text); }
.progress-item-score { font-weight: 800; }
.score-red { color: #E74C3C; }
.score-orange { color: #E67E22; }
.score-green { color: #2ECC71; }
.daily-goal-bar-wrap { width: 100%; height: 12px; background: var(--bg-muted); border-radius: 6px; margin: 16px 0; overflow: hidden; }
.daily-goal-bar { height: 100%; background: var(--olive); border-radius: 6px; transition: width var(--t); }

/* ── Memorizar y Favoritos (Interactivos) ── */
.memo-card {
  background: var(--bg-card); border-radius: 16px; padding: 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  margin-bottom: 20px; position: relative;
}
.memo-q { font-size: 18px; font-weight: 700; margin-bottom: 20px; color: var(--text); padding-right: 40px; }
.memo-fav-btn {
  position: absolute; top: 20px; right: 20px; font-size: 24px;
  background: none; border: none; cursor: pointer; color: var(--text3);
  transition: all var(--t);
}
.memo-fav-btn.active { color: #F1C40F; }
.memo-opt-btn {
  display: block; width: 100%; text-align: left; padding: 14px 20px;
  margin-bottom: 8px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 12px; font-size: 16px; color: var(--text2); cursor: pointer;
  transition: all var(--t);
}
.memo-opt-btn:hover { background: var(--bg-muted); }
.memo-opt-btn.correct { background: #D5F5E3; border-color: #2ECC71; color: #1E8449; font-weight: 600; }
.memo-opt-btn.wrong { background: #FADBD8; border-color: #E74C3C; color: #922B21; text-decoration: line-through; }
.memo-feedback { margin-top: 16px; padding: 16px; border-radius: 12px; font-weight: 500; display: none; }
.memo-feedback.show { display: block; }
.memo-feedback.success { background: #E9F7EF; color: #1E8449; }
.memo-feedback.error { background: #FDEDEC; color: #922B21; }
.memo-actions { display: flex; justify-content: space-between; margin-top: 24px; gap: 12px; }
.memo-badge {
  display: inline-block; padding: 4px 8px; border-radius: 6px;
  background: var(--olive-pale); color: var(--olive); font-size: 12px; font-weight: 700;
  margin-bottom: 12px;
}

/* ==============================
   AUTH: Login / Registro / Perfil
============================== */

.modal-overlay { display:none; }
.modal-overlay.active { display:flex; }

.auth-modal-content {
  max-width: 440px;
  width: 96%;
  padding: 32px 32px 28px;
  position: relative;
  animation: modalIn 0.25s ease;
}
.auth-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1; padding: 12px 8px;
  background: none; border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 14px; font-weight: 600;
  color: var(--text3); cursor: pointer;
  transition: all 0.2s; font-family: var(--font);
}
.auth-tab.active { color: var(--olive); border-bottom-color: var(--olive); }
.auth-tab:hover { color: var(--olive); }

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

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px; font-size: 15px;
  font-family: var(--font); color: var(--text);
  background: var(--bg); outline: none;
  transition: border-color 0.2s; box-sizing: border-box;
}
.form-input:focus { border-color: var(--olive); }
[data-theme='dark'] .form-input { background: var(--bg-card); color: var(--text); border-color: rgba(255,255,255,0.12); }

.auth-submit-btn { width: 100%; margin-top: 8px; padding: 14px; font-size: 15px; font-weight: 700; }

.auth-link-btn {
  display: block; width: 100%; text-align: center;
  background: none; border: none; color: var(--text3);
  font-size: 13px; cursor: pointer; margin-top: 12px;
  padding: 6px; transition: color 0.2s; font-family: var(--font);
}
.auth-link-btn:hover { color: var(--olive); }

.auth-error {
  background: var(--red-bg); color: var(--red);
  border: 1px solid var(--red-brd);
  padding: 10px 14px; border-radius: 10px;
  font-size: 13px; margin-bottom: 12px; line-height: 1.4;
}
.auth-success {
  background: var(--green-bg); color: var(--green);
  border: 1px solid var(--green-brd);
  padding: 10px 14px; border-radius: 10px;
  font-size: 13px; margin-bottom: 12px; line-height: 1.4;
}

.profile-avatar-small {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--olive); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
}
.profile-avatar-large {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--olive); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800; margin: 0 auto 12px;
}
.profile-email { font-size: 13px; color: var(--text2); margin-bottom: 8px; }
.profile-date { font-size: 12px; color: var(--text3); margin-top: 4px; }
.profile-actions { margin-top: 8px; }

.plan-badge {
  display: inline-block; padding: 4px 12px; border-radius: 99px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 6px;
}
.plan-badge.free { background: var(--grey-bg); color: var(--grey); border: 1px solid var(--border); }
.plan-badge.premium { background: linear-gradient(135deg, #f6d365, #fda085); color: #7B3F00; }

#profileBtn { display: flex; align-items: center; justify-content: center; }

@keyframes slideUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}