:root{
  --primary:#6C5CE7;
  --primary-dark:#4834d4;
  --accent:#00D9C0;
  --bg:#0f0f1a;
  --surface:#181829;
  --surface-2:#22223a;
  --text:#f4f4fb;
  --text-muted:#9a9ab0;
  --success:#3ee6c4;
  --error:#ff6b81;
  --radius:16px;
  --shadow:0 20px 50px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
h1,h2,h3{font-family:'Poppins',sans-serif;font-weight:700;margin:0 0 .5rem}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}

/* Topbar */
.topbar{background:var(--surface);border-bottom:1px solid #ffffff10;position:sticky;top:0;z-index:50}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem}
.topbar__logo{font-family:'Poppins',sans-serif;font-weight:800;font-size:1.2rem;color:var(--primary)}
.topbar__nav{display:flex;align-items:center;gap:1.2rem;font-size:.9rem}
.topbar__nav a{color:var(--text-muted);transition:.2s}
.topbar__nav a:hover{color:var(--text)}
.topbar__user{color:var(--text);font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.4rem;border-radius:10px;border:none;font-weight:600;cursor:pointer;font-size:.95rem;transition:.2s transform,.2s box-shadow;font-family:inherit}
.btn--primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 8px 20px #6c5ce755}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px #6c5ce777}
.btn--ghost{background:transparent;border:1px solid #ffffff30;color:var(--text)}
.btn--ghost:hover{border-color:var(--primary)}
.btn--sm{padding:.45rem .9rem;font-size:.82rem}
.btn--lg{padding:1rem 2rem;font-size:1.05rem}
.btn--block{width:100%}
.btn[disabled]{opacity:.6;cursor:default}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,#6c5ce733,transparent 60%),var(--bg)}
.auth-card{background:var(--surface);padding:2.5rem;border-radius:var(--radius);width:100%;max-width:400px;box-shadow:var(--shadow)}
.auth-card label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:1rem}
.auth-card input,.auth-card textarea,.builder select,.builder input,.builder textarea,select,input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],textarea{
  width:100%;margin-top:.4rem;padding:.7rem;border-radius:8px;border:1px solid #ffffff20;background:var(--bg);color:var(--text);font-family:inherit
}
.auth-card__alt{text-align:center;font-size:.85rem;color:var(--text-muted);margin-top:1rem}
.auth-card__alt a{color:var(--primary)}
.alert{padding:.8rem 1rem;border-radius:8px;font-size:.85rem;margin-bottom:1rem}
.alert--error{background:#ff6b8122;color:var(--error)}
.alert--success{background:#3ee6c422;color:var(--success)}

/* Dashboard apprenant */
.dash{padding:3rem 1.5rem}
.dash__title{font-size:2rem}
.dash__subtitle{color:var(--text-muted);margin-bottom:2rem}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}
.course-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s transform;transition-delay:calc(var(--i,0)*.05s)}
.course-card:hover{transform:translateY(-6px)}
.course-card__cover{height:130px;background-size:cover;background-position:center;background-color:var(--surface-2)}
.course-card__body{padding:1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.course-card__body h3{font-size:1rem;flex:1}

/* Ring progress */
.ring-progress{position:relative;width:54px;height:54px;flex-shrink:0}
.ring-progress svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:#ffffff15;stroke-width:8}
.ring-fill{fill:none;stroke:var(--accent);stroke-width:8;stroke-linecap:round;stroke-dasharray:264;stroke-dashoffset:264;transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}
.ring-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}

/* Progress bar linéaire */
.progress-bar{height:8px;background:#ffffff15;border-radius:99px;overflow:hidden;flex:1}
.progress-bar--lg{height:12px;margin:1rem 0 .3rem}
.progress-bar__fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px;transition:width 1s cubic-bezier(.4,0,.2,1)}
.progress-bar__label{font-size:.85rem;color:var(--text-muted)}

/* Course view */
.course-view{padding:3rem 1.5rem}
.course-view__head{margin-bottom:2rem}
.module-timeline{display:flex;flex-direction:column;gap:1rem}
.module-block{background:var(--surface);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);transition-delay:calc(var(--i,0)*.08s)}
.module-block--locked{opacity:.5}
.module-block__head{display:flex;align-items:center;gap:1rem}
.module-block__num{width:36px;height:36px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.module-block__info{flex:1}
.module-block__pct{font-weight:700;color:var(--accent)}
.lesson-list{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-direction:column;gap:.3rem}
.lesson-list__item a{display:flex;align-items:center;gap:.6rem;padding:.6rem .8rem;border-radius:8px;transition:.2s}
.lesson-list__item a:hover{background:#ffffff08}
.lesson-list__item em{margin-left:auto;color:var(--text-muted);font-style:normal;font-size:.8rem}
.lesson-list__item--termine a{color:var(--success)}

/* Lesson view */
.lesson-view{padding:3rem 1.5rem;max-width:800px}
.lesson-view__back{color:var(--text-muted);font-size:.85rem;display:inline-block;margin-bottom:1rem}
.video-embed{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;margin-bottom:1.5rem}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-native{width:100%;border-radius:var(--radius);margin-bottom:1.5rem}
.pdf-embed{width:100%;height:600px;border:0;border-radius:var(--radius);margin-bottom:1.5rem}
.lesson-text{background:var(--surface);padding:1.5rem;border-radius:var(--radius)}
.lesson-actions{display:flex;gap:1rem;margin-top:2rem}

/* Admin */
.page-admin{background:var(--bg)}
.admin-subnav{background:var(--surface);border-bottom:1px solid #ffffff10}
.admin-subnav__inner{display:flex;gap:1.5rem;padding:.9rem 1.5rem;font-size:.9rem}
.admin-subnav__inner a{color:var(--text-muted)}
.admin-subnav__inner a:hover{color:var(--primary)}
.admin-page{padding:2.5rem 1.5rem}
.admin-page__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.admin-dash{padding:2.5rem 1.5rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.2rem;margin:1.5rem 0 2rem}
.stat-card{background:var(--surface);padding:1.5rem;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow)}
.stat-card__num{display:block;font-size:2rem;font-weight:800;font-family:'Poppins',sans-serif;color:var(--accent)}
.admin-quicklinks{display:flex;gap:1rem}
.admin-table{display:flex;flex-direction:column;gap:.7rem}
.admin-row{background:var(--surface);padding:1rem 1.4rem;border-radius:12px;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.admin-row__main{display:flex;flex-direction:column;gap:.2rem;min-width:180px;flex:1}
.admin-row__email{font-size:.8rem;color:var(--text-muted)}
.admin-row__meta{color:var(--text-muted);font-size:.9rem}
.admin-row__actions{display:flex;gap:.5rem;margin-left:auto}
.badge{padding:.15rem .6rem;border-radius:99px;font-size:.7rem;font-weight:700;text-transform:uppercase;width:fit-content}
.badge--ok{background:#3ee6c422;color:var(--success)}
.badge--muted{background:#ffffff15;color:var(--text-muted)}
.badge--error{background:#ff6b8122;color:var(--error)}
.empty-state{color:var(--text-muted);padding:2rem;text-align:center;background:var(--surface);border-radius:var(--radius)}

/* Builder (modules/leçons) */
.builder{display:flex;flex-direction:column;gap:1rem;align-items:flex-start}
.builder__module{background:var(--surface);padding:1.4rem;border-radius:var(--radius);width:100%;box-shadow:var(--shadow)}
.builder__module-head{display:flex;align-items:center;gap:1rem;margin-bottom:.8rem}
.builder__num{width:32px;height:32px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700}
.builder__lessons{list-style:none;padding:0;margin:0 0 1rem;display:flex;flex-direction:column;gap:.4rem}
.builder__lessons li{display:flex;align-items:center;gap:.5rem;font-size:.9rem;padding:.4rem .6rem;background:#ffffff06;border-radius:8px}
.builder__lessons em{margin-left:auto;color:var(--text-muted);font-style:normal;font-size:.78rem}

/* Modal */
.modal{position:fixed;inset:0;background:#000000aa;display:none;align-items:center;justify-content:center;z-index:100;padding:1rem}
.modal.open{display:flex}
.modal__box{background:var(--surface);padding:2rem;border-radius:var(--radius);max-width:480px;width:100%;max-height:85vh;overflow:auto;box-shadow:var(--shadow)}
.modal label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:1rem}
.modal__actions{display:flex;justify-content:flex-end;gap:.7rem;margin-top:1rem}

/* Funnel pages */
.funnel-page{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:3rem 1.5rem;background:radial-gradient(circle at 50% 0%,#6c5ce744,transparent 60%),var(--bg)}
.funnel-page__inner{max-width:640px}
.funnel-page h1{font-size:2.4rem;margin-bottom:1rem}
.funnel-page__sub{color:var(--text-muted);font-size:1.1rem;margin-bottom:2rem}
.funnel-page__body{background:var(--surface);padding:1.5rem;border-radius:var(--radius);margin-bottom:2rem;text-align:left}
.funnel-page__price{font-size:2rem;font-weight:800;color:var(--accent);margin-bottom:1.5rem;font-family:'Poppins',sans-serif}
.funnel-form{display:flex;flex-direction:column;gap:1rem;max-width:360px;margin:0 auto}

.footer{text-align:center;color:var(--text-muted);font-size:.8rem;padding:2rem;border-top:1px solid #ffffff10}

@media(prefers-reduced-motion: reduce){.reveal{transition:none;opacity:1;transform:none}}