body { min-width: 0; }
.student-nav-actions { display: flex; gap: .5rem; align-items: center; }
.student-nav-actions form { margin: 0; }
.student-nav-actions .btn { display: grid; min-height: 44px; place-items: center; }
@media (max-width: 575.98px) {
  .student-navbar .container { align-items: stretch; }
  .student-navbar .navbar-brand { width: 100%; margin: 0 0 .55rem; text-align: center; }
  .student-nav-actions { display: grid; width: 100%; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .4rem; }
  .student-nav-actions .btn { display: grid; min-height: 44px; padding: .45rem .25rem; place-items: center; white-space: normal; }
  .student-nav-actions form { display: contents; }
}
.auth-card { max-width: 36rem; margin-inline: auto; }
input, select { display: block; width: 100%; padding: .5rem .75rem; border: 1px solid #ced4da; border-radius: .375rem; }

.login-page {
  min-height: 100vh;
  margin: 0;
  color: #17223b;
  background: #f7f8fb;
}

.login-shell {
  display: grid;
  grid-template-columns: 70% 30%;
  min-height: 100vh;
}

.login-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem clamp(2rem, 5vw, 5rem);
  background: #fff;
}

.login-form-content {
  width: min(100%, 27rem);
}

.login-brand {
  display: inline-flex;
  gap: .75rem;
  align-items: center;
  color: #17223b;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}

.login-brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  color: #fff;
  background: #176b5b;
  border-radius: .7rem;
}

.login-heading { margin: 4.5rem 0 2rem; }
.login-heading h1 { margin-bottom: .75rem; font-size: clamp(2rem, 4vw, 2.7rem); font-weight: 700; letter-spacing: -.04em; }
.login-heading > p:last-child, .login-help { color: #657089; }
.login-eyebrow { margin-bottom: .65rem; color: #176b5b; font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.login-form { display: grid; gap: 1rem; }
.login-form .form-control { min-height: 3.65rem; border-color: #d8dce5; border-radius: .55rem; box-shadow: none; }
.login-form .form-control:focus { border-color: #176b5b; box-shadow: 0 0 0 .2rem rgb(23 107 91 / 14%); }
.login-submit { min-height: 3.25rem; margin-top: .35rem; color: #fff; font-weight: 700; background: #176b5b; border-color: #176b5b; }
.login-submit:hover, .login-submit:focus { color: #fff; background: #115448; border-color: #115448; }
.login-help { margin: 2rem 0 0; font-size: .88rem; line-height: 1.6; }

.login-visual-panel {
  position: relative;
  display: flex;
  overflow: hidden;
  padding: clamp(2.5rem, 5vw, 5rem);
  color: #fff;
  background: linear-gradient(145deg, #0d3f39 0%, #176b5b 54%, #2b8b73 100%);
}

.login-visual-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: space-between;
  max-width: 48rem;
  margin: auto;
}

.login-logo-placeholder {
  display: grid;
  min-height: clamp(14rem, 36vh, 23rem);
  place-items: center;
  border: 0;
  border-radius: 0;
  color: rgb(255 255 255 / 72%);
  background: transparent;
  backdrop-filter: none;
}

.login-logo-placeholder img { width: 100%; height: 100%; max-height: 23rem; padding: 1rem; object-fit: contain; }
.login-logo-placeholder span { padding: 1rem; text-align: center; }
.login-visual-copy { max-width: 38rem; }
.login-visual-copy .login-eyebrow { color: #bcebdc; }
.login-visual-copy h2 { font-size: clamp(2rem, 4vw, 3.7rem); font-weight: 700; letter-spacing: -.045em; }
.login-visual-copy > p:last-child { max-width: 34rem; margin-top: 1rem; color: rgb(255 255 255 / 78%); font-size: 1.05rem; line-height: 1.7; }
.login-visual-decoration { position: absolute; border-radius: 50%; background: rgb(255 255 255 / 7%); }
.login-visual-decoration-one { top: -10rem; right: -10rem; width: 30rem; height: 30rem; }
.login-visual-decoration-two { bottom: -14rem; left: -9rem; width: 27rem; height: 27rem; }

.admin-login-page .login-shell { grid-template-columns: 70% 30%; }
.admin-login-page .login-visual-panel { background: linear-gradient(145deg, #092f5f 0%, #075aa8 54%, #2682d5 100%); }
.admin-login-page .login-brand-mark, .admin-login-page .login-submit { background: #075aa8; border-color: #075aa8; }
.admin-login-page .login-submit:hover, .admin-login-page .login-submit:focus { background: #064780; border-color: #064780; }
.admin-login-page .login-eyebrow { color: #075aa8; }
.admin-login-page .login-visual-copy .login-eyebrow { color: #c6e4ff; }
.admin-login-page .login-form .form-control:focus { border-color: #075aa8; box-shadow: 0 0 0 .2rem rgb(7 90 168 / 14%); }

@media (min-width: 851px) and (max-width: 1200px) {
  .login-shell,
  .admin-login-page .login-shell { grid-template-columns: minmax(0, 55%) minmax(22rem, 45%); }
  .login-visual-panel { padding: 2.5rem; }
  .login-form-panel { padding: 2.5rem clamp(2rem, 4vw, 3rem); }
  .login-heading { margin: 3rem 0 1.75rem; }
  .login-heading h1 { font-size: clamp(2rem, 3.8vw, 2.45rem); }
  .login-logo-placeholder { min-height: clamp(12rem, 32vh, 18rem); }
  .login-visual-copy h2 { font-size: clamp(2rem, 3.6vw, 2.85rem); }
}

@media (max-width: 850px) {
  .login-shell,
  .admin-login-page .login-shell { grid-template-columns: 1fr; }
  .login-form-panel { min-height: 100vh; padding: 2rem 1.35rem; }
  .login-heading { margin: 3.5rem 0 2rem; }
  .login-visual-panel { display: none; }
}

.lesson-card { position: relative; background: #fff; }
.lesson-path-card { padding: 1.25rem 1.4rem; border: 1px solid #b8d7ff; border-radius: 1rem; background: #f7fbff; }
.lesson-stage-list .list-group-item { padding: 1rem 1.15rem; }
.assessment-locked { background: #f8f9fa; opacity: .86; }
.lesson-locked { color: #6c757d; background: #f1f3f5; }
.status-available { color: #0f5132; background: #d1e7dd; }
.status-studying { color: #084298; background: #cfe2ff; }
.status-validated, .status-consolidated { color: #0f5132; background: #a3cfbb; }
.status-blocked { color: #495057; background: #e9ecef; }
.status-needs_review { color: #664d03; background: #fff3cd; }
.status-initial_mastery { color: #432874; background: #e2d9f3; }
.stage-panel { border: 1px solid #dfe5e3; background: linear-gradient(145deg, #f5fbf8, #fff); }
.assessment-hero { color: #17352f; background: linear-gradient(145deg, #e8f7f1, #f9fcfb); border: 1px solid #cfe8df; }
.result-card { border: 1px solid; }
.result-passed { color: #0f5132; background: #d1e7dd; border-color: #a3cfbb; }
.result-failed { color: #842029; background: #f8d7da; border-color: #f1aeb5; }
.recovery-hero { color: #5f4300; background: linear-gradient(145deg, #fff3cd, #fffaf0); border: 1px solid #ffe69c; }
.recovery-review { color: #4b3a0a; background: #fff9e6; border: 1px solid #f3dfa1; }
.answer-feedback-list { display: grid; gap: .65rem; }
.answer-feedback-row { padding: .85rem 1rem; color: #495057; background: #f8f9fa; border: 1px solid #e3e6e8; border-radius: .65rem; }
.answer-feedback-correct { color: #0f5132; background: #d1e7dd; border-color: #a3cfbb; }
.answer-feedback-selected-wrong { color: #842029; background: #f8d7da; border-color: #f1aeb5; }
.learning-copy { color: #39433f; font-size: 1.05rem; line-height: 1.75; }
.vocabulary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.vocabulary-card { display: flex; flex-direction: column; align-items: flex-start; padding: 1.15rem; border: 1px solid #dfe7e3; border-radius: .85rem; background: #f8fcfa; }
.prompt-box { padding: 1rem; border: 1px solid #cfe2ff; border-radius: .75rem; background: #f5f9ff; }
.prompt-box pre { white-space: pre-wrap; font: inherit; }
.progress { min-height: 1.5rem; }
.speech-standard { display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: baseline; padding: 1rem; border: 1px solid #cfe2ff; border-radius: .85rem; background: #f5f9ff; }
.speech-standard span, .speech-standard small { color: #5e6b76; }
.speech-standard small { flex-basis: 100%; }
.dialogue-list { display: grid; gap: .75rem; }
.dialogue-line { padding: 1rem 1.15rem; border-left: .3rem solid #198754; border-radius: .25rem .75rem .75rem .25rem; background: #f7faf8; }
.dialogue-translation { display: block; margin-top: .35rem; color: #68736e; }
.gamification-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gamification-grid article { display: flex; flex-direction: column; padding: 1.4rem; border: 1px solid #d9e6e0; border-radius: 1rem; background: #f7fbf9; }
.gamification-grid strong { font-size: 2rem; }
.gamification-grid small, .achievement-grid small { color: #69736f; }
.achievement-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; }
.achievement-grid article { display: flex; gap: 1rem; padding: 1rem; border: 1px solid #eee1b0; border-radius: .85rem; background: #fffaf0; }
.achievement-grid article div { display: flex; flex-direction: column; }
.achievement-icon { font-size: 2rem; }
@media (max-width: 700px) { .gamification-grid { grid-template-columns: 1fr; } }
.learning-dashboard-heading, .section-heading, .next-step-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.dashboard-kicker { color: #198754; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.next-step-card { padding: 1.4rem 1.6rem; color: #14352a; border: 1px solid #a8dcc5; border-radius: 1rem; background: linear-gradient(135deg, #e8f7f0, #f8fcfa); }
.next-step-card h2 { margin: .25rem 0 0; font-size: 1.3rem; }
.study-priority-section { padding: 1.5rem; border: 2px solid #b8d7ff; border-radius: 1rem; background: #f7fbff; }
.study-priority-list { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.study-priority-item { display: grid; grid-template-columns: 2.2rem 2.2rem minmax(0, 1fr) auto; gap: .8rem; align-items: center; padding: 1rem; border: 1px solid #dfe6ed; border-radius: .85rem; background: #fff; }
.priority-number, .priority-status { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: 50%; font-weight: 800; }
.priority-number { color: #fff; background: #0d6efd; }.priority-status { color: #495057; background: #e9ecef; }
.priority-copy { display: flex; min-width: 0; flex-direction: column; }.priority-copy strong { font-size: 1.02rem; }.priority-copy small { color: #68736e; }
.priority-urgent { border-color: #f1aeb5; background: #fff8f8; }.priority-urgent .priority-status { color: #fff; background: #dc3545; }
.priority-pending .priority-status { color: #664d03; background: #fff3cd; }.priority-done { opacity: .78; }.priority-done .priority-status { color: #fff; background: #198754; }.priority-done-label { color: #198754; font-weight: 700; }.priority-blocked { opacity: .65; }
.dashboard-section { margin-bottom: 2rem; padding: 1.4rem; border: 1px solid #e0e7e4; border-radius: 1rem; background: #fff; }
.section-heading { margin-bottom: 1rem; }.section-heading h2 { margin: .2rem 0 0; font-size: 1.35rem; }.section-heading > strong { font-size: 1.7rem; }
.course-progress { height: 1.8rem; }.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.metric-grid article { display: flex; flex-direction: column; min-width: 0; padding: 1rem; border-radius: .8rem; background: #f7faf9; }.metric-grid article > strong { font-size: 1.8rem; }.metric-grid small { color: #68736e; }
.dashboard-two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
.dashboard-panel { min-width: 0; padding: 1.4rem; overflow-wrap: anywhere; border: 1px solid #e0e7e4; border-radius: 1rem; background: #fff; }
.performance-summary, .review-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }.performance-summary > div, .review-summary > div { display: flex; flex-direction: column; padding: .8rem; border-radius: .7rem; background: #f6f9f8; }.performance-summary strong, .review-summary strong { font-size: 1.4rem; }.performance-summary span, .review-summary span { color: #68736e; font-size: .85rem; }
.score-chart { display: grid; gap: .55rem; margin-top: 1.2rem; }.score-bar-row { display: grid; grid-template-columns: minmax(6rem, 1.2fr) 2fr 3rem; gap: .6rem; align-items: center; }.score-bar-row > div { overflow: hidden; height: .65rem; border-radius: 1rem; background: #e9ecef; }.score-bar-row > div span { display: block; height: 100%; border-radius: 1rem; background: #198754; }
.history-filters { display: flex; flex-wrap: wrap; gap: .4rem; }.history-filters a { padding: .35rem .65rem; border-radius: 2rem; text-decoration: none; background: #f1f3f5; }.history-filters a.active { color: #fff; background: #0d6efd; }.compact-history > div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid #edf0ef; }.compact-history small { color: #68736e; white-space: nowrap; }
.daily-word-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1rem; }.daily-word-card { padding: 1.2rem; border: 1px solid #dce5e1; border-radius: 1rem; background: #fff; }.daily-word-card.is-answered { opacity: .72; background: #f5faf7; }.daily-word-card h2 { margin: .7rem 0 0; }.word-pronunciation { color: #68736e; }
.review-question-list { display: grid; gap: 1.25rem; }
.assessment-question-unanswered { border: 2px solid #dc3545 !important; background: #fff8f8; }
.assessment-question-unanswered .assessment-question-error { display: block !important; color: #b02a37; font-weight: 700; }
.assessment-pending-links { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.assessment-pending-links a { padding: .2rem .55rem; border: 1px solid currentcolor; border-radius: 2rem; color: inherit; font-weight: 700; text-decoration: none; }
@media (max-width: 990px) { .metric-grid { grid-template-columns: repeat(2, 1fr); }.dashboard-two-columns { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .metric-grid { grid-template-columns: 1fr; }.compact-history > div { flex-direction: column; }.score-bar-row { grid-template-columns: 1fr 2fr 3rem; } }
@media (max-width: 700px) { .study-priority-item { grid-template-columns: 2rem 2rem 1fr; }.priority-action { grid-column: 1 / -1; }.priority-action .btn { width: 100%; } }
@media (max-width: 360px) {
  .vocabulary-grid, .daily-word-grid, .achievement-grid { grid-template-columns: minmax(0, 1fr); }
  .performance-summary, .review-summary { grid-template-columns: 1fr; }
}