:root {
  --navy: #0c166f;
  --navy-hover: #0f1b85;
  --navy-soft: #e8eaf2;
  --btn: #4261ff;
  --btn-hover: #3555e6;
  --btn-active: #2a49cc;
  --btn-soft: #eef2ff;
  --green: #4261ff;
  --green-hover: #3555e6;
  --green-soft: #eef2ff;
  --cta: #4261ff;
  --cta-hover: #3555e6;
  --cta-active: #2a49cc;
  --cta-soft: #eef2ff;
  --ink: #1a1a1a;
  --ink-muted: #5a6278;
  --ink-light: #8e96a8;
  --bg-page: #f7f8fa;
  --bg-card: #ffffff;
  --border: #e2e5eb;
  --border-light: #eef0f4;
  --border-hover: #d1d5db;

  --shadow-xs: 0 1px 2px rgba(12,22,111,.04);
  --shadow-sm: 0 2px 8px rgba(12,22,111,.08), 0 1px 3px rgba(12,22,111,.06);
  --shadow: 0 8px 24px rgba(12,22,111,.12), 0 2px 6px rgba(12,22,111,.08);
  --shadow-md: 0 12px 32px rgba(12,22,111,.15), 0 4px 8px rgba(12,22,111,.1);

  /* Focus */
  --focus: 0 0 0 3px rgba(66,97,255,.25), 0 0 0 1px rgba(66,97,255,.5);
  --focus-cta: 0 0 0 3px rgba(53,85,230,.25), 0 0 0 1px rgba(53,85,230,.5);
  --focus-ring: 0 0 0 4px rgba(66,97,255,.15);

  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-pill: 9999px;

  --wrap-login: 480px;
  --wrap-dash: 1280px;
  --wrap: 1280px;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --leading-tight: 1.25;
  --leading-normal: 1.5;

  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------- BASE --------- */
html { 
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body { 
  height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f8f9fb;
  background-attachment: fixed;
  position: relative;
  color: var(--ink);
  font-family: "Lato", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  font-weight: 400;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(66,97,255,.04) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(12,22,111,.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}


main { 
  flex: 1 0 auto;
  position: relative;
  z-index: 1;
}

:is(a, button, input, textarea, select, .dropdown-toggle):focus-visible {
  outline: none;
  box-shadow: var(--focus) !important;
  transition: box-shadow var(--transition-fast) !important;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--btn) !important;
  box-shadow: var(--focus-ring) !important;
  transition: border-color var(--transition-base), box-shadow var(--transition-base) !important;
}

.btn-primary { 
  background-color: var(--cta); 
  border-color: var(--cta);
  transition: all var(--transition-base);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.btn-primary:hover { 
  background-color: var(--cta-hover); 
  border-color: var(--cta-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-primary:active {
  background-color: var(--cta-active);
  transform: translateY(0);
}
.btn-primary:focus-visible { 
  box-shadow: var(--focus-cta) !important; 
}
.btn-outline-primary { 
  color: var(--btn); 
  border-color: var(--btn);
  transition: all var(--transition-base);
  font-weight: 600;
}
.btn-outline-primary:hover { 
  background-color: var(--btn-soft); 
  color: var(--btn); 
  border-color: var(--btn);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

/* --------- TIPOGRAFÍA GLOBAL --------- */
p {
  margin: 0 0 1em;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink);
}
p:last-child { margin-bottom: 0; }

h1, .h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--ink);
  margin: 0 0 0.5em;
}
h2, .h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--ink);
  margin: 0 0 0.5em;
}
h3, .h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--ink);
  margin: 0 0 0.4em;
}
h4, .h4, h5, .h5, h6, .h6 {
  font-size: var(--text-base);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--ink);
  margin: 0 0 0.35em;
}

small, .small { font-size: var(--text-sm); color: var(--ink-muted); }

/* --------- UTILIDADES --------- */
.text-topbar-muted { color: var(--ink-muted); }
.text-form-label { color: var(--ink); }
.text-login-note { color: var(--ink-muted); }
.empty-icon { 
  font-size: 2.5rem; 
  color: var(--navy);
  opacity: 0.6;
  animation: emptyPulse 2s ease-in-out infinite;
}

@keyframes emptyPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}
.empty-title { font-weight: 700; font-size: var(--text-lg); color: var(--ink); }
.item-ico-lg { width: 42px; height: 42px; }
.feedback-contact-box {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 1rem 1.1rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feedback-contact-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--navy);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feedback-contact-box:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-xs);
}

.feedback-contact-box:hover::before {
  opacity: 1;
}
.feedback-mail-link {
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  transition: all var(--transition-base);
  display: inline-block;
  position: relative;
}

.feedback-mail-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--navy);
  transition: width var(--transition-base);
}

.feedback-mail-link:hover { 
  color: var(--navy-hover);
  transform: translateX(2px);
}

.feedback-mail-link:hover::after {
  width: 100%;
}
.final-quiz-title { color: var(--ink); }
.completion-logo { width: 150px; }
.video-course { width: 100%; max-width: 100%; border-radius: var(--radius-lg); background: #000; }

/* --------- NAVBAR UNIFICADA --------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,229,235,.5);
  box-shadow: 0 4px 20px rgba(12,22,111,.08), 0 1px 3px rgba(12,22,111,.04);
  transition: all var(--transition-base);
}

.topbar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cta);
  opacity: 0.6;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--navy);
  transition: all var(--transition-base);
  padding: 0.25rem;
  margin: -0.25rem;
  border-radius: var(--radius);
}

.brand img { 
  height: 48px; 
  width: auto;
  transition: transform var(--transition-base);
  filter: drop-shadow(0 2px 4px rgba(12,22,111,.1));
}

.brand .txt {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand .txt b {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--navy);
  transition: color var(--transition-base);
}

.brand .txt span {
  font-size: var(--text-xs);
  color: var(--ink-muted);
  font-weight: 600;
  transition: color var(--transition-base);
}

.brand:hover { 
  color: var(--navy-hover);
  transform: translateX(2px);
}
.brand:hover .txt b { 
  color: var(--navy-hover); 
}
.brand:hover img {
  transform: scale(1.1) rotate(2deg);
  filter: drop-shadow(0 4px 8px rgba(12,22,111,.2));
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-wrap: wrap;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 520px;
  margin-left: auto;
}

.navbar-actions .controls { margin-left: 0; }

.controls.navbar-search-wrap {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 560px;
}

.search-mini {
  position: relative;
  flex: 1 1 200px;
  min-width: 0;
}

.search-mini i {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-light);
  pointer-events: none;
  font-size: 1rem;
}

.search-mini input {
  width: 100%;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  transition: all var(--transition-base);
}

.search-mini input:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-xs);
}

.search-mini input:focus {
  border-color: var(--btn);
  box-shadow: var(--focus-ring);
}

.search-mini input::placeholder { 
  color: var(--ink-light);
  transition: opacity var(--transition-base);
}

.search-mini input:focus::placeholder {
  opacity: 0.5;
}

.filter-pill {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  transition: all var(--transition-base);
  cursor: pointer;
}

.filter-pill:hover { 
  background: var(--navy-soft); 
  border-color: var(--navy); 
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.filter-pill:active {
  transform: translateY(0);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 0.35rem 0.5rem 0.35rem 0.75rem;
  flex-shrink: 0;
  transition: all var(--transition-base);
  cursor: pointer;
}

.user-pill:hover {
  background: var(--navy-soft);
  border-color: var(--navy);
  box-shadow: var(--shadow-xs);
  transform: translateY(-1px);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--navy-soft);
  color: var(--navy);
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.user-pill:hover .avatar {
  background: var(--navy);
  color: #fff;
  transform: scale(1.05);
}

.avatar i { 
  font-size: 1rem;
  transition: transform var(--transition-base);
}

.active-dot {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  border: 2.5px solid var(--bg-card);
  box-shadow: 0 0 0 2px rgba(66,97,255,.2);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 2px rgba(66,97,255,.2); }
  50% { transform: scale(1.1); box-shadow: 0 0 0 4px rgba(66,97,255,.1); }
}

.user-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.dropdown-menu {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  min-width: 280px;
  animation: dropdownFadeIn var(--transition-base);
  margin-top: 0.5rem;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  transition: all var(--transition-fast);
  position: relative;
}

.dropdown-item:hover {
  background: var(--cta-soft);
  color: var(--btn);
  transform: translateX(4px);
}

.dropdown-item:active {
  transform: translateX(2px);
}

.dropdown-divider { margin: 0.5rem; border-color: var(--border); }

.item-ico {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--cta-soft);
  color: var(--btn);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.dropdown-item:hover .item-ico {
  background: var(--btn);
  color: #fff;
  transform: scale(1.1);
}

.icon-pill {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: grid;
  place-items: center;
  text-decoration: none;
  color: var(--ink-muted);
  transition: all var(--transition-base);
}

.icon-pill:hover {
  background: var(--navy-soft);
  border-color: var(--navy);
  color: var(--navy);
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-sm);
}

.icon-pill:active {
  transform: translateY(0) scale(1);
}

.icon-pill i { 
  font-size: 1rem;
  transition: transform var(--transition-base);
}

.icon-pill:hover i {
  transform: scale(1.1);
}

.controls-course {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}
.navbar-actions .controls-course { margin-left: 0; }

/* --------- FOOTER --------- */
.site-footer {
  flex: 0 0 auto;
  background: var(--navy);
  border-top: 2px solid rgba(66,97,255,.3);
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(66,97,255,.08);
  pointer-events: none;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
}

.footer-inner {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.footer-center {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.9);
  letter-spacing: 0.02em;
}
.footer-center strong { 
  font-weight: 700; 
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,.1);
}

/* --------- PAGE: LOGIN --------- */
body.login-page .wrap { max-width: var(--wrap-login); }

.login-shell {
  padding: 2rem 0 2.5rem;
  display: grid;
  place-items: center;
}

.login-card {
  width: min(100%, 460px);
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 2px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(12,22,111,.1), 0 8px 24px rgba(66,97,255,.06), 0 0 0 1px rgba(255,255,255,.9) inset, 0 0 0 2px rgba(66,97,255,.03);
  overflow: hidden;
  animation: cardFadeIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition: all var(--transition-smooth);
  position: relative;
}

.login-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(66,97,255,.02);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.login-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: rgba(66,97,255,.05);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card:hover {
  box-shadow: 0 30px 80px rgba(12,22,111,.15), 0 12px 32px rgba(66,97,255,.12), 0 0 0 1px rgba(255,255,255,1) inset, 0 0 0 3px rgba(66,97,255,.1);
  transform: translateY(-8px) scale(1.02);
  border-color: var(--cta);
}

.login-card:hover::before {
  opacity: 1;
}

.login-card:hover::after {
  opacity: 0.3;
}

.login-body { 
  padding: 2rem 2rem 1.75rem;
  position: relative;
  z-index: 1;
}

.title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.title-ico {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-xl);
  display: grid;
  place-items: center;
  background: var(--cta);
  color: #fff;
  flex-shrink: 0;
  transition: all var(--transition-smooth);
  box-shadow: 0 8px 20px rgba(66,97,255,.25), 0 0 0 4px rgba(66,97,255,.1), inset 0 1px 0 rgba(255,255,255,.25), inset 0 -1px 0 rgba(0,0,0,.1);
  position: relative;
}

.title-ico i {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
}

.login-card:hover .title-ico {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 28px rgba(66,97,255,.35), 0 0 0 6px rgba(66,97,255,.15), inset 0 1px 0 rgba(255,255,255,.3), inset 0 -1px 0 rgba(0,0,0,.1);
}

.login-title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--navy);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.login-sub {
  margin: 0.35em 0 0;
  font-size: var(--text-base);
  color: var(--ink-muted);
  line-height: var(--leading-normal);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 0 0.75rem;
}

.field { position: relative; }

.field i {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--btn);
  pointer-events: none;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  z-index: 2;
}

.form-control:focus ~ i,
.field:focus-within i {
  color: var(--cta);
  transform: translateY(-50%) scale(1.15);
}

.form-control {
  border-radius: 12px;
  border: 2px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  padding: 0.875rem 1.5rem 0.875rem 3.25rem;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--ink);
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(12,22,111,.04), inset 0 1px 2px rgba(0,0,0,.02);
}

.form-control:hover {
  border-color: var(--btn);
  box-shadow: 0 4px 12px rgba(66,97,255,.1), inset 0 1px 2px rgba(0,0,0,.02);
  transform: translateY(-1px);
}

.form-control:focus {
  border-color: var(--btn);
  box-shadow: 0 0 0 4px rgba(66,97,255,.15), 0 6px 16px rgba(66,97,255,.2), inset 0 1px 2px rgba(0,0,0,.02);
  transform: translateY(-2px);
}

.form-control::placeholder { 
  color: var(--ink-light);
  transition: opacity var(--transition-base);
}

.form-control:focus::placeholder {
  opacity: 0.5;
}

.mini-note {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  margin-top: 0.35rem;
}

.toggle-pass {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 0.3rem 0.5rem;
  color: var(--ink-muted);
  transition: all var(--transition-base);
  cursor: pointer;
}

.toggle-pass:hover { 
  background: var(--navy-soft); 
  border-color: var(--navy);
  color: var(--navy);
  transform: translateY(-50%) scale(1.05);
}

.toggle-pass:active {
  transform: translateY(-50%) scale(1);
}

.alert {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

body.login-page .site-footer { margin-top: 1.5rem; }

/* --------- PAGE: DASHBOARD --------- */
body.dashboard-page .wrap { max-width: var(--wrap-dash); }

.hero-header {
  width: 100vw;
  max-width: 100vw;
  background: none;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding: 0;
  overflow: hidden;
  line-height: 0;
  position: relative;
  margin-bottom: 1.5rem;
}

.hero-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 60px;
  background: var(--bg-page);
  opacity: 0.7;
  pointer-events: none;
}

.hero-header img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  transition: all var(--transition-smooth);
  filter: brightness(1.02) contrast(1.02);
}

.hero-header:hover img {
  transform: scale(1.02);
  filter: brightness(1.05) contrast(1.05);
}

.grid-wrap { padding: 1rem 0 1.5rem; }

.course-card {
  height: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1.5px solid #e8ebf0;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(12,22,111,.06), 0 1px 4px rgba(12,22,111,.04), 0 0 0 1px rgba(255,255,255,.9) inset;
  overflow: hidden;
  transition: all var(--transition-smooth);
  position: relative;
}

.course-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(66,97,255,.04);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.course-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: rgba(66,97,255,.08);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.course-card:hover {
  box-shadow: 0 12px 32px rgba(12,22,111,.1), 0 4px 12px rgba(66,97,255,.08), 0 0 0 1px rgba(255,255,255,1) inset, 0 0 0 2px rgba(66,97,255,.1);
  border-color: var(--cta);
  transform: translateY(-4px) scale(1.01);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card:hover::after {
  opacity: 0.3;
}

.course-body {
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 0.875rem;
  position: relative;
  z-index: 1;
}

.course-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.1em;
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.course-card:hover .course-title {
  color: var(--btn);
}

.card-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.card-pills .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
  background: #f5f6f8;
  border: 1px solid #e8ebf0;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-muted);
  white-space: nowrap;
  transition: all var(--transition-base);
  box-shadow: 0 1px 2px rgba(12,22,111,.03);
}

.card-pills .chip:hover {
  background: var(--navy-soft);
  border-color: var(--navy);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(12,22,111,.06);
}

.card-pills .chip-type {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-pills .chip-code {
  font-family: ui-monospace, monospace;
  letter-spacing: 0.06em;
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(12,22,111,.2), inset 0 1px 0 rgba(255,255,255,.1);
  text-shadow: 0 1px 2px rgba(0,0,0,.15);
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
}

.card-pills .chip-code:hover {
  background: var(--btn);
  color: #fff;
  border-color: var(--btn);
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 3px 8px rgba(66,97,255,.25);
}

.actions {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.empty {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.empty::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy) 0%, var(--btn) 100%);
  opacity: 0.3;
}

.empty h2 { font-size: var(--text-lg); }
.empty p { font-size: var(--text-base); color: var(--ink-muted); }

.btn-start {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: #fff;
  background: var(--cta);
  transition: all var(--transition-smooth);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(66,97,255,.25), 0 2px 6px rgba(66,97,255,.15), inset 0 1px 0 rgba(255,255,255,.2), inset 0 -1px 0 rgba(0,0,0,.08);
  text-transform: uppercase;
}

.btn-start::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  transition: left var(--transition-smooth);
}

.btn-start:hover:not(:disabled) {
  background: var(--cta-hover);
  color: #fff;
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 6px 16px rgba(66,97,255,.35), 0 3px 8px rgba(66,97,255,.25), inset 0 1px 0 rgba(255,255,255,.25), inset 0 -1px 0 rgba(0,0,0,.1);
  letter-spacing: 0.5px;
}

.btn-start:hover:not(:disabled)::before {
  left: 100%;
}

.btn-start:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn-start:focus-visible { 
  box-shadow: var(--focus-cta); 
}

.btn-start:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--ink-light);
  transform: none;
  box-shadow: none;
}

body.dashboard-page .site-footer { margin-top: 1.5rem; }

/* --------- PAGE: CURSOS --------- */
.wrap { max-width: var(--wrap); }

.course-shell {
  padding-top: 1rem;
  padding-bottom: 1.5rem;
  flex: 1 0 auto;
}

.glass-card,
.glass-sidebar {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: all var(--transition-base);
}

.glass-card:hover,
.glass-sidebar:hover {
  box-shadow: var(--shadow) !important;
}

#courseHeader { margin-bottom: 1.5rem; }

.course-hero {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1rem;
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.2fr);
  column-gap: 1.5rem;
  row-gap: 1.25rem;
  align-items: center;
  position: relative;
  transition: all var(--transition-base);
}

.course-hero:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--navy);
}

.course-hero-main { min-width: 0; }

.course-hero-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.course-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.course-title-main {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: var(--ink);
}

.content-header-pill {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.course-code-pill {
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--navy-soft);
  color: var(--navy);
}

.course-doc-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  line-height: 1;
  background: var(--border-light);
  border: 1px solid var(--border);
  color: var(--ink-muted);
  font-weight: 500;
  white-space: nowrap;
}
.course-doc-pill i { opacity: 0.85; }

.course-subtitle {
  font-size: var(--text-base);
  color: var(--ink-muted);
  max-width: 40rem;
  margin: 0;
  line-height: var(--leading-normal);
}

.course-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.course-meta-badge {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border);
  min-width: 180px;
  transition: all var(--transition-base);
}

.course-meta-badge:hover {
  background: var(--navy-soft);
  border-color: var(--navy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xs);
}

.course-meta-label {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}
.course-meta-label i { font-size: 0.85rem; }

.course-meta-value { font-size: var(--text-base); font-weight: 600; color: var(--ink); }

.course-recommendation {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-sm);
  color: var(--ink-muted);
}
.course-recommendation i { font-size: 0.9rem; color: var(--navy); }

.badge-chip {
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.6rem;
  font-size: var(--text-xs);
  background: var(--border-light);
  border: 1px solid var(--border);
  color: var(--ink-muted);
  font-weight: 500;
}

.btn-glass {
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.6rem 1rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--cta);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.btn-glass::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,.2);
  transition: left var(--transition-smooth);
}

.btn-glass:hover:not(:disabled) {
  background: var(--cta-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-glass:hover:not(:disabled)::before {
  left: 100%;
}

.btn-glass:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn-glass:focus-visible { 
  box-shadow: var(--focus-cta); 
}

.btn-glass:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--ink-light);
  transform: none;
  box-shadow: none;
}

.btn-pill-outline {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
  padding: 0.5rem 1rem;
  transition: all var(--transition-base);
}

.btn-pill-outline:hover:not(:disabled) {
  background: var(--btn-soft);
  border-color: var(--btn);
  color: var(--btn);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.btn-pill-outline:active:not(:disabled) {
  transform: translateY(0);
}

.btn-pill-outline:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.progress {
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--border-light);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 2px rgba(12,22,111,.05);
}

.progress-bar {
  border-radius: var(--radius-pill);
  background: var(--navy);
  transition: width var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-bar-init { width: 0%; }

.module-button {
  text-align: left;
  width: 100%;
  font-size: var(--text-sm);
  border-radius: var(--radius);
  margin-bottom: 0.35rem;
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  color: var(--ink);
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}
.module-button .module-index {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border-light);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--ink-muted);
}
.module-button.active {
  background: var(--btn);
  border-color: var(--btn);
  color: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.module-button.active .module-index {
  background: rgba(255,255,255,.3);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 2px rgba(255,255,255,.2);
}

.module-button.completed {
  background: var(--cta-soft);
  color: #1e3a5f;
  border-color: var(--btn);
  position: relative;
}

.module-button.completed .module-index {
  border-color: var(--btn);
  color: #1e3a5f;
  background: rgba(66,97,255,.1);
}

.module-button.completed .bi-check-circle-fill {
  color: var(--btn);
  animation: checkPulse 0.5s ease-out;
}

@keyframes checkPulse {
  0% { transform: scale(0.8); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.module-button.locked {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--border-light);
  position: relative;
}

.module-button.locked::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0,0,0,.02) 10px,
    rgba(0,0,0,.02) 20px
  );
  pointer-events: none;
}

.module-button.locked .module-index {
  background: var(--border);
  color: var(--ink-light);
  border-color: var(--border);
}

.module-button:not(.locked):hover {
  background: var(--cta-soft);
  border-color: var(--btn);
  color: var(--btn);
  transform: translateX(4px);
  box-shadow: var(--shadow-xs);
}

.content-section h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.content-section h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 1rem 0 0.4rem;
  color: var(--ink);
}
.content-section p {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink);
  margin: 0 0 0.75em;
}
.content-section ul { padding-left: 1.25rem; }
.content-section li {
  font-size: var(--text-base);
  margin-bottom: 0.25rem;
  color: var(--ink);
  line-height: var(--leading-normal);
}

#quizPanel, #finalQuizPanel {
  background: var(--border-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

#quizPanel .form-check-input,
#finalQuizPanel .form-check-input {
  border-color: var(--border);
}
#quizPanel .form-check-input:checked,
#finalQuizPanel .form-check-input:checked {
  background-color: var(--navy);
  border-color: var(--navy);
}
#quizPanel .form-check-input:focus,
#finalQuizPanel .form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(12,22,111,.25);
}
#quizPanel .form-check-label,
#finalQuizPanel .form-check-label {
  cursor: pointer;
  font-size: var(--text-base);
  color: var(--ink);
}

.quiz-feedback-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-top: 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(8px) scale(0.95);
  animation: fadeInSlideUp var(--transition-base) forwards;
  border-left: 3px solid;
  box-shadow: var(--shadow-xs);
}

.quiz-feedback-message.text-success { 
  background: #d1fae5;
  color: #065f46;
  border-left-color: #10b981;
}

.quiz-feedback-message.text-danger { 
  background: #fee2e2;
  color: #991b1b;
  border-left-color: #ef4444;
}

.quiz-feedback-message.text-warning { 
  background: #fef3c7;
  color: #92400e;
  border-left-color: #f59e0b;
}

@keyframes fadeInSlideUp {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

#finalScorePanel {
  background: var(--green-soft);
  color: #1e3a5f;
  border: 2px solid var(--green);
  border-radius: var(--radius-lg);
  animation: fadeInSlideUp var(--transition-smooth) ease-out;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

#finalScorePanel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: rgba(66,97,255,.08);
  border-radius: 50%;
  pointer-events: none;
}

#finalQuizPanel .progress-bar.bg-info {
  background: var(--navy) !important;
}

#finalCompletionPage { margin-top: 1.5rem; }

#finalCompletionPage .completion-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--ink);
  position: relative;
  overflow: hidden;
}

#finalCompletionPage .completion-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: rgba(66,97,255,.03);
  border-radius: 50%;
  pointer-events: none;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

#finalCompletionPage .celebration-icon {
  font-size: 3rem;
  color: var(--green);
  margin-bottom: 0.5rem;
  animation: celebrationBounce 1s ease-out;
  display: inline-block;
}

@keyframes celebrationBounce {
  0%, 100% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.2) rotate(-10deg); }
  50% { transform: scale(1.1) rotate(10deg); }
  75% { transform: scale(1.15) rotate(-5deg); }
}

#finalCompletionPage h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-top: 0.5rem;
  color: var(--ink);
}

#finalCompletionPage p.lead {
  font-size: var(--text-base);
  color: var(--ink-muted);
  margin-bottom: 1rem;
  line-height: var(--leading-normal);
}

#finalCompletionPage .form-control {
  border-radius: var(--radius-pill);
  max-width: 360px;
  margin: 0 auto 1rem;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border);
  font-size: var(--text-base);
}

#finalCompletionPage .btn-glass { min-width: 220px; }
#finalCompletionPage .btn-link { color: var(--navy); font-weight: 600; }

/* --------- RESPONSIVE --------- */
@media (max-width: 992px) {
  .user-name { max-width: 120px; }
  .controls { max-width: none; }
  .course-hero {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }
  .course-hero-meta { align-items: flex-start; }
  .course-meta-row { justify-content: flex-start; }
}

@media (max-width: 576px) {
  .login-shell { padding: 1.5rem 0 2rem; }
  .login-body { padding: 1.25rem; }
  .footer-inner { padding: 1rem; }
  .user-name { max-width: 100px; }
  .navbar-search-wrap { flex-wrap: wrap; }
  .search-mini { flex: 1 1 100%; }
  .glass-card, .glass-sidebar { border-radius: var(--radius); }
  .p-md-4 { padding: 1.25rem !important; }
  .btn-glass, .btn-pill-outline { padding: 0.5rem 1rem; font-size: var(--text-sm); }
  .content-section h2 { font-size: var(--text-lg); }
  .content-section p, .content-section li { font-size: var(--text-base); }
  .module-button { font-size: var(--text-sm); }
  #finalCompletionPage .completion-card { padding: 1.5rem 1.25rem; }
  #finalCompletionPage h2 { font-size: var(--text-xl); }
  #finalCompletionPage p.lead { font-size: var(--text-base); }
  .course-hero {
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    row-gap: 1rem;
  }
  .course-meta-badge { min-width: 100%; }
  .course-doc-pill { font-size: var(--text-xs); padding: 0.3rem 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { 
    transition: none !important; 
    scroll-behavior: auto !important;
    animation: none !important;
  }
  
  .progress-bar::after {
    animation: none !important;
  }
  
  .active-dot {
    animation: none !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --border: #b0b8c4;
    --border-hover: #8e96a8;
    --shadow-sm: 0 2px 8px rgba(12,22,111,.15);
    --shadow: 0 8px 24px rgba(12,22,111,.2);
  }
}

.course-card,
.module-button,
.btn-start,
.btn-glass {
  backface-visibility: hidden;
}

.content-section {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
.content-section p {
  letter-spacing: 0.01em;
}

.content-section h2,
.content-section h3 {
  letter-spacing: -0.02em;
}