/* Responsive UI polish - alumno */
:root {
  --content-max: 1440px;
  --soft-border: rgba(255,255,255,.13);
}

.app-shell {
  width: min(var(--content-max), calc(100% - clamp(20px, 4vw, 72px)));
}

#loginView {
  position: relative !important;
  z-index: 1 !important;
  isolation: isolate;
}

.login-layout {
  position: relative !important;
}

.login-card,
#loginForm {
  position: relative !important;
  z-index: 5 !important;
  pointer-events: auto !important;
}

#loginForm label,
#loginForm .password-row,
#loginForm input,
#loginForm button,
#username,
#password,
#togglePassword {
  position: relative !important;
  z-index: 6 !important;
  pointer-events: auto !important;
}

#username,
#password {
  -webkit-user-select: text !important;
  user-select: text !important;
  touch-action: auto !important;
}

.brand-panel,
.login-card {
  position: relative;
}

.brand-panel::before,
.brand-panel::after,
.login-card::before,
.login-card::after,
.ambient,
.ambient::before,
.ambient::after {
  pointer-events: none !important;
}

.dashboard {
  grid-template-columns: clamp(210px, 15vw, 245px) minmax(0, 1fr);
  gap: clamp(18px, 2vw, 28px);
}

.side-nav {
  min-height: min(760px, calc(100vh - 48px));
  max-height: calc(100vh - 48px);
  overflow: auto;
}

.training-card {
  padding: clamp(22px, 2.2vw, 34px);
}

.training-head {
  grid-template-columns: minmax(0, 1fr) clamp(118px, 12vw, 150px);
  gap: clamp(18px, 2vw, 30px);
  align-items: start;
}

.training-head h1,
.training-head p {
  max-width: 900px;
}

.training-workspace {
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 1.8vw, 22px);
}

.module-list-panel {
  align-self: start;
  order: 0;
  display: grid;
  gap: 14px;
}

.module-list-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.module-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.module-grid:empty::after {
  content: "Las clases se habilitan progresivamente.";
  display: block;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.45;
  padding: 14px;
  border: 1px dashed rgba(255,255,255,.18);
  border-radius: 16px;
}

.module-card {
  min-height: 118px;
}

.module-lesson {
  max-width: none;
  width: 100%;
  min-height: auto;
  padding: clamp(20px, 2vw, 30px);
  order: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.5vw, 20px);
}

.lesson-hero-v2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 310px);
  gap: clamp(16px, 1.8vw, 24px);
  align-items: start;
  padding: clamp(22px, 2vw, 30px) !important;
  min-height: auto !important;
}

.lesson-hero-copy h2 {
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.05;
  margin-bottom: 10px;
}

.lesson-subtitle,
.lesson-summary {
  max-width: 760px;
}

.lesson-summary {
  margin-bottom: 14px;
}

.hero-highlights {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.hero-highlight {
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.hero-highlight span {
  display: block;
  color: #f8fafc;
  font-size: 14px;
  line-height: 1.35;
}

.lesson-top-actions {
  margin-top: 14px;
}

.lesson-hero-side {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  padding: 0 !important;
}

.dataset-tag {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  color: #ffe680;
  font-size: 12px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.lesson-hero-side > strong {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34,211,238,.12);
  color: #a7f3d0;
  font-size: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.lesson-hero-side h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hero-stat-card {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.055);
}

.hero-stat-label,
.hero-stat-value {
  display: block;
}

.hero-stat-label {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 5px;
}

.hero-stat-value {
  font-size: 16px;
  line-height: 1.2;
}

.hero-side-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.lesson-jump-nav {
  display: none !important;
}

.lesson-tabbar {
  position: sticky;
  top: 10px;
  z-index: 5;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(10,17,34,.94);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 34px rgba(0,0,0,.22);
}

.lesson-tabchips {
  order: 2;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  min-width: 0;
}

.lesson-tabchips::-webkit-scrollbar {
  display: none;
}

.lesson-tabchip {
  appearance: none;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255,255,255,.07);
  color: #dbe4f0;
  font: inherit;
  font-size: 12.5px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}

.lesson-tabchip.active {
  background: linear-gradient(135deg,#ffd84d,#f59e0b);
  color: #111827;
  border-color: rgba(255,216,77,.8);
}

.lesson-tab-prev,
.lesson-tab-next {
  min-width: 104px;
  white-space: nowrap;
  padding-inline: 18px !important;
}

.lesson-tab-prev {
  order: 1;
}

.lesson-tab-next {
  order: 3;
}

.module-lesson > .lesson-block {
  margin: 0;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 26px;
  padding: clamp(24px, 2.5vw, 38px);
  background: linear-gradient(135deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 18px 44px rgba(0,0,0,.18);
  scroll-margin-top: 95px;
  overflow: visible;
  max-height: none;
  min-height: auto;
}

.module-lesson > .lesson-block[hidden] {
  display: none !important;
}

.lesson-block.active-unit {
  display: block;
}

.lesson-block .section-head {
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,.09);
}

.lesson-block .section-head h3 {
  letter-spacing: 0;
  line-height: 1.15;
}

.lesson-block p,
.lesson-block li,
.assessment-card,
.activity-box,
.deliverable-box {
  font-size: 16px;
  line-height: 1.72;
}

.lesson-split,
.lesson-split-tight {
  gap: clamp(18px, 2vw, 28px);
}

.content-card,
.feature-card,
.info-card,
.concept-card {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(13,20,38,.62);
  border-radius: 22px;
}

.lesson-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
}

.lesson-header .eyebrow {
  display: none;
}

.lesson-header h2,
.lesson-summary {
  max-width: 820px;
}

.lesson-nav .secondary:disabled {
  display: none;
}

.concept-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.concept-card {
  min-height: 150px;
}

.study-row {
  grid-template-columns: minmax(150px, 210px) minmax(0, 1fr);
}

.step-row {
  min-height: 58px;
}

.lesson-support {
  grid-template-columns: minmax(0, 1fr) minmax(240px, .85fr);
}

.practice-section ul {
  columns: 1;
}

.class-assessment {
  margin-top: 0;
}

@media (min-width: 1500px) {
  .app-shell {
    --content-max: 1500px;
  }
}

@media (max-width: 1180px) {
  .app-shell {
    width: min(100% - 28px, 1180px);
  }
  .dashboard {
    grid-template-columns: 210px minmax(0, 1fr);
  }
  .training-workspace,
  .module-lesson,
  .lesson-hero-v2 {
    grid-template-columns: 1fr;
  }
  .module-grid {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
}

@media (max-width: 820px) {
  .app-shell {
    width: min(100% - 18px, 820px);
    padding: 10px 0 18px;
  }
  .dashboard {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .side-nav {
    position: static !important;
    top: auto !important;
    z-index: auto !important;
    min-height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 14px;
    border-radius: 22px;
    display: grid;
    gap: 12px;
    margin-bottom: 12px;
  }
  .side-brand {
    margin-bottom: 0;
  }
  .side-nav nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 0;
  }
  .side-nav a {
    text-align: center;
    padding: 10px 8px;
    font-size: 13px;
  }
  .side-nav .full {
    width: 100%;
    padding: 11px 14px;
  }
  .topbar {
    position: static !important;
    top: auto !important;
    flex-direction: row;
    align-items: center;
  }
  .training-head,
  .lesson-header,
  .lesson-support,
  .study-row {
    grid-template-columns: 1fr;
  }
  .training-progress {
    min-height: auto;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
  }
  .lesson-tabbar {
    grid-template-columns: 1fr;
  }
  .lesson-tabchips,
  .lesson-tab-prev,
  .lesson-tab-next {
    order: initial;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .brand-panel,
  .login-card,
  .training-card,
  .quiz-card,
  .summary-card,
  .hero-card,
  .module-lesson {
    padding: 18px;
    border-radius: 20px;
  }
  .side-nav {
    position: static !important;
    padding: 12px;
  }
  .side-nav nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .topbar {
    display: grid;
    gap: 10px;
  }
  .session-pill {
    width: fit-content;
  }
  .training-actions,
  .hero-actions,
  .quiz-actions,
  .result-actions,
  .lesson-nav {
    display: grid;
    grid-template-columns: 1fr;
  }
  .training-actions button,
  .hero-actions button,
  .quiz-actions button,
  .result-actions button,
  .lesson-nav button,
  .lesson-nav a {
    width: 100%;
  }
  .module-grid,
  .concept-grid {
    grid-template-columns: 1fr;
  }
  .lesson-block p,
  .lesson-block li,
  .assessment-card,
  .activity-box,
  .deliverable-box {
    font-size: 15px;
  }
  .module-lesson {
    gap: 14px;
  }
  .module-lesson > .lesson-block {
    padding: 18px;
    border-radius: 20px;
  }
  .lesson-tabchip {
    font-size: 12px;
    padding: 9px 11px;
  }
  .activity-checks label {
    align-items: flex-start;
  }
  .score-ring {
    width: 132px;
    height: 132px;
  }
  .score-ring span {
    width: 104px;
    height: 104px;
    font-size: 24px;
  }
  table {
    min-width: 640px;
  }
}