:root {
  --tsi-blue: #336699;
  --tsi-blue-2: #5f8fc0;
  --tsi-blue-soft: #eef5fb;
  --tsi-text: #1f2a33;
  --tsi-muted: #66727d;
  --tsi-border: #dfe7ee;
  --tsi-bg: #f6f8fb;
  --tsi-white: #ffffff;
}

/* =========================================================
   ASSISTANT MUSICLIC - TROUVER SON INSTRUMENT
   V4 Premium - Top 10 + animations
========================================================= */


/* =========================
   CONTENEUR GLOBAL
========================= */

.tsi-app {
  margin: 34px 0 50px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}


/* =========================
   ÉCRAN D'ACCUEIL
========================= */

.tsi-welcome {
  max-width: 900px;
  margin: 0 auto;
  padding: 44px 54px 50px;
  text-align: center;
  background: #ffffff;
  border: 1px solid #dce6f0;
  border-radius: 34px;
  box-shadow:
    0 12px 35px rgba(20,45,70,.05),
    0 2px 6px rgba(20,45,70,.03);
}

.tsi-welcome h2 {
  max-width: 820px;
  margin: 0 auto 20px;
  text-align: center;
  color: var(--tsi-text);
  font-size: 40px;
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.tsi-welcome-main {
  max-width: 820px;
  margin: 0 auto 16px;
  color: var(--tsi-text);
  font-size: 21px;
  line-height: 1.55;
  font-weight: 400;
}

.tsi-welcome-text {
  max-width: 760px;
  margin: 0 auto 28px;
  color: var(--tsi-muted);
  font-size: 17px;
  line-height: 1.65;
}

.tsi-welcome-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 34px 0;
}

.tsi-welcome-points span {
  padding: 10px 16px;
  background: var(--tsi-white);
  border: 1px solid var(--tsi-border);
  border-radius: 999px;
  color: var(--tsi-text);
  font-size: 14px;
  box-shadow: 0 10px 24px rgba(20,45,70,0.05);
}

.tsi-start-btn {
  padding: 17px 38px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--tsi-blue), var(--tsi-blue-2));
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(51,102,153,0.24);
  transition: transform .18s ease, box-shadow .18s ease;
}

.tsi-start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(51,102,153,0.30);
}


/* =========================
   EXPÉRIENCE
========================= */

.tsi-experience {
  animation: tsiFadeIn .35s ease both;
}

@keyframes tsiFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* =========================
   PROGRESSION
========================= */

.tsi-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.tsi-progress-label {
  color: var(--tsi-muted);
  font-size: 14px;
}

.tsi-progress-bar {
  height: 10px;
  margin-bottom: 32px;
  background: #e7edf3;
  border-radius: 999px;
  overflow: hidden;
}

#tsi-progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--tsi-blue), var(--tsi-blue-2));
  border-radius: 999px;
  transition: width .45s ease;
}

.tsi-restart {
  padding: 10px 18px;
  background: #fff;
  border: 1px solid var(--tsi-border);
  border-radius: 999px;
  color: var(--tsi-text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: .2s;
  white-space: nowrap;
}

.tsi-restart:hover {
  border-color: var(--tsi-blue);
  color: var(--tsi-blue);
  background: #f7fbff;
}


/* =========================
   LAYOUT
========================= */

.tsi-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 32px;
  align-items: start;
}


/* =========================
   CARTE QUESTION
========================= */

.tsi-question-card {
  min-height: 430px;
  padding: 50px;
  background: var(--tsi-white);
  border: 1px solid var(--tsi-border);
  border-radius: 34px;
  box-shadow: 0 24px 58px rgba(20,45,70,0.08);
  transition: opacity .19s ease, transform .19s ease;
}

.tsi-question-card.is-changing {
  opacity: 0;
  transform: translateY(12px);
}

.tsi-section-label {
  margin: 0 0 18px;
  color: var(--tsi-blue);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.tsi-question-card h3 {
  margin: 0 0 16px;
  color: var(--tsi-text);
  font-size: 38px;
  line-height: 1.16;
}

.tsi-question-help {
  max-width: 720px;
  color: var(--tsi-muted);
  font-size: 17px;
  line-height: 1.65;
}

.tsi-options {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.tsi-option {
  position: relative;
  width: 100%;
  padding: 20px 22px 20px 60px;
  text-align: left;
  background: #f8fafc;
  border: 1px solid var(--tsi-border);
  border-radius: 24px;
  color: var(--tsi-text);
  font-size: 17px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}

.tsi-option::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 50%;
  width: 18px;
  height: 18px;
  background: #fff;
  border: 2px solid #a9b8c6;
  border-radius: 50%;
  transform: translateY(-50%);
}

.tsi-option:hover {
  background: #fff;
  border-color: rgba(51,102,153,.48);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(20,45,70,0.08);
}

.tsi-option.active {
  background: var(--tsi-blue-soft);
  border-color: var(--tsi-blue);
  font-weight: bold;
}

.tsi-option.active::before {
  border-color: var(--tsi-blue);
  background: radial-gradient(circle, var(--tsi-blue) 0 43%, #fff 47%);
}


/* =========================
   NAVIGATION QUESTIONS
========================= */

.tsi-actions {
  margin-top: 18px;
}

.tsi-btn {
  padding: 12px 22px;
  border: none;
  border-radius: 999px;
  font-weight: bold;
  cursor: pointer;
}

.tsi-btn-secondary {
  background: #e8eef4;
  color: #334;
}

.tsi-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}


/* =========================
   PROFIL UTILISATEUR
========================= */

.tsi-profile-summary {
  margin-top: 18px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--tsi-border);
  border-radius: 24px;
  box-shadow: 0 14px 34px rgba(20,45,70,0.06);
}

.tsi-profile-summary strong {
  display: block;
  margin-bottom: 14px;
  color: var(--tsi-text);
  font-size: 16px;
}

.tsi-profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tsi-profile-tags span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--tsi-blue-soft);
  border: 1px solid rgba(51,102,153,0.18);
  border-radius: 999px;
  color: var(--tsi-blue);
  font-size: 13px;
  font-weight: bold;
}


/* =========================
   COLONNE CLASSEMENT
========================= */

.tsi-ranking-panel {
  position: sticky;
  top: 18px;
  padding: 30px;
  background: rgba(255,255,255,.97);
  border: 1px solid var(--tsi-border);
  border-radius: 34px;
  box-shadow: 0 24px 58px rgba(20,45,70,0.08);
}

.tsi-ranking-wait {
  padding: 44px 12px;
  text-align: center;
}

.tsi-wait-symbol {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--tsi-blue-soft);
  border: 1px solid rgba(51,102,153,0.18);
  position: relative;
  animation: tsiPulse 1.8s ease-in-out infinite;
}

.tsi-wait-symbol::before,
.tsi-wait-symbol::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--tsi-blue);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}

.tsi-wait-symbol::before {
  width: 30px;
  height: 3px;
}

.tsi-wait-symbol::after {
  width: 3px;
  height: 30px;
}

@keyframes tsiPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(51,102,153,0);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 12px rgba(51,102,153,0.07);
  }
}

.tsi-ranking-wait h3 {
  margin: 0 0 8px;
  color: var(--tsi-text);
  font-size: 24px;
}

.tsi-ranking-wait p,
.tsi-ranking-head p {
  color: var(--tsi-muted);
  line-height: 1.5;
  font-size: 14px;
}

.tsi-ranking-head h3 {
  margin: 0 0 8px;
  color: var(--tsi-text);
  font-size: 24px;
  line-height: 1.25;
}


/* =========================
   TOP 10 - CLASSEMENT VIVANT
========================= */

.tsi-ranking {
  display: grid;
  gap: 10px;
  transition: opacity .18s ease, transform .18s ease;
}

.tsi-ranking.tsi-ranking-updating {
  opacity: .42;
  transform: translateY(4px);
}

.tsi-rank-item {
  display: block;
  padding: 14px;
  background: #f8fafc;
  border: 1px solid var(--tsi-border);
  border-radius: 20px;
  color: inherit;
  text-decoration: none;
  animation: tsiRankEnter .34s ease both;
  transition:
    transform .2s ease,
    box-shadow .2s ease,
    background .2s ease,
    border-color .2s ease;
}

.tsi-rank-item:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(20,45,70,0.08);
}

.tsi-rank-item:first-child {
  background: linear-gradient(135deg, #eef5fb, #ffffff);
  border-color: rgba(51,102,153,.45);
}

@keyframes tsiRankEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tsi-rank-item.tsi-new-leader {
  animation: tsiNewLeader .75s ease both;
}

@keyframes tsiNewLeader {
  0% {
    transform: scale(1);
  }

  45% {
    transform: scale(1.035);
    box-shadow: 0 18px 38px rgba(51,102,153,.24);
  }

  100% {
    transform: scale(1);
  }
}

.tsi-rank-top {
  display: grid;
  grid-template-columns: 30px 1fr auto auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.tsi-rank-position {
  width: 28px;
  height: 28px;
  background: var(--tsi-blue);
  color: #fff;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: bold;
}

.tsi-rank-top strong {
  color: var(--tsi-text);
  font-size: 15px;
}

.tsi-rank-top em {
  color: var(--tsi-blue);
  font-style: normal;
  font-weight: bold;
}

.tsi-rank-meta {
  margin: 0 0 9px 38px;
  color: var(--tsi-muted);
  font-size: 13px;
}

.tsi-move {
  padding: 3px 7px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: bold;
  animation: tsiMoveBadge .55s ease both;
  white-space: nowrap;
}

@keyframes tsiMoveBadge {
  from {
    opacity: 0;
    transform: translateX(8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.tsi-up {
  color: #1d7a43;
  background: #e9f7ef;
}

.tsi-down {
  color: #9b4a2c;
  background: #f9eee9;
}

.tsi-new {
  color: var(--tsi-blue);
  background: var(--tsi-blue-soft);
}

.tsi-score-bar {
  height: 8px;
  background: #e5edf4;
  border-radius: 999px;
  overflow: hidden;
}

.tsi-score-bar div {
  height: 100%;
  background: linear-gradient(90deg, var(--tsi-blue), var(--tsi-blue-2));
  border-radius: 999px;
  transition: width .45s ease;
}

.tsi-rank-limited {
  opacity: 0.88;
}

.tsi-rank-limited .tsi-rank-position {
  background: var(--tsi-blue);
}

.tsi-rank-limited .tsi-score-bar div {
  background: linear-gradient(
    90deg,
    rgba(51,102,153,.65),
    rgba(95,143,192,.65)
  );
}


/* =========================
   RÉSULTAT FINAL
========================= */

.tsi-final-result {
  margin: 42px 0 0;
}

.tsi-final-card {
  padding: 40px;
  background:
    radial-gradient(circle at top right, rgba(51,102,153,.12), transparent 34%),
    #ffffff;
  border: 1px solid var(--tsi-border);
  border-radius: 34px;
  box-shadow: 0 24px 58px rgba(20,45,70,0.08);
}

.tsi-final-label {
  color: var(--tsi-blue);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.tsi-final-card h3 {
  margin: 8px 0 24px;
  color: var(--tsi-text);
  font-size: 30px;
}

.tsi-result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 22px;
  align-items: stretch;
}

.tsi-result-main {
  padding: 30px;
  background: #f7fafc;
  border: 1px solid var(--tsi-border);
  border-radius: 28px;
}

.tsi-result-rank {
  margin: 0 0 8px;
  color: var(--tsi-blue);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.tsi-result-main h4 {
  margin: 0 0 10px;
  color: var(--tsi-text);
  font-size: 38px;
}

.tsi-final-score {
  color: var(--tsi-blue);
  font-size: 22px;
  font-weight: bold;
}

.tsi-final-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
}

.tsi-final-link,
.tsi-final-restart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  line-height: 1;
  text-decoration: none;
  box-sizing: border-box;
  cursor: pointer;
  transition: .2s;
  margin: 0;
}

.tsi-final-link {
  background: linear-gradient(135deg,var(--tsi-blue),var(--tsi-blue-2));
  color: #fff !important;
  border: 1px solid var(--tsi-blue);
}

.tsi-final-restart {
  background: #fff;
  color: var(--tsi-text);
  border: 1px solid var(--tsi-border);
}

.tsi-final-restart:hover {
  background: #f7fbff;
  color: var(--tsi-blue);
  border-color: var(--tsi-blue);
}

.tsi-result-others {
  display: grid;
  gap: 14px;
}

.tsi-result-others > div {
  padding: 22px 20px;
  background: #f7fafc;
  border: 1px solid var(--tsi-border);
  border-radius: 24px;
}

.tsi-result-others p {
  margin: 0 0 10px;
  color: var(--tsi-muted);
  font-size: 15px;
}

.tsi-result-others strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.18;
  font-weight: 700;
  color: var(--tsi-text);
}

.tsi-result-others em {
  display: block;
  font-style: normal;
  font-size: 18px;
  font-weight: 700;
  color: var(--tsi-blue);
}

.tsi-final-note {
  margin-top: 22px;
  color: var(--tsi-muted);
}


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 980px) {
  .tsi-layout,
  .tsi-result-grid {
    grid-template-columns: 1fr;
  }

  .tsi-ranking-panel {
    position: static;
  }

  .tsi-question-card {
    min-height: auto;
  }
}

@media (max-width: 620px) {
  .tsi-app {
    padding: 18px;
    border-radius: 26px;
  }

  .tsi-welcome {
    padding: 34px 8px 40px;
  }

  .tsi-welcome h2 {
    font-size: 30px;
    line-height: 1.18;
  }

  .tsi-start-btn {
    width: 100%;
    font-size: 15px;
  }

  .tsi-welcome-main {
    font-size: 17px;
  }

  .tsi-welcome-text {
    font-size: 15px;
  }

  .tsi-welcome-points {
    flex-direction: column;
  }

  .tsi-progress-head {
    align-items: flex-start;
  }

  .tsi-question-card,
  .tsi-ranking-panel,
  .tsi-final-card {
    padding: 22px;
    border-radius: 26px;
  }

  .tsi-question-card h3 {
    font-size: 28px;
  }

  .tsi-question-help {
    font-size: 15px;
  }

  .tsi-option {
    padding: 16px 16px 16px 50px;
    font-size: 15px;
  }

  .tsi-rank-top {
    grid-template-columns: 28px 1fr auto;
  }

  .tsi-move {
    display: none;
  }

  .tsi-ranking {
    max-height: 520px;
    overflow: auto;
    padding-right: 4px;
  }

  .tsi-result-main h4 {
    font-size: 30px;
  }

  .tsi-final-actions {
    align-items: stretch;
  }

  .tsi-final-link,
  .tsi-final-restart {
    width: 100%;
  }
}