/* Unipraxis PopTheme — front.css (v1.1.0)
   Mobile-first, ultra léger, UX "app-like"
*/

:root{
  color-scheme: light dark;

  --upx-primary:#114179;
  --upx-accent:#DB9D4A;

  --upx-ink:#0D1B2A;
  --upx-muted:#4A5568;
  --upx-bg:#F6F8FB;
  --upx-card:#ffffff;
  --upx-border:#E5E9F0;

  --upx-radius-sm:10px;
  --upx-radius-md:14px;
  --upx-radius-lg:18px;

  --upx-shadow-sm:0 2px 10px rgba(16,24,40,.06);
  --upx-shadow-md:0 10px 30px rgba(16,24,40,.10);

  --upx-ease:cubic-bezier(.2,.8,.2,1);
  --upx-fast:120ms;
  --upx-speed:180ms;

  --upx-container:1200px;

  --upx-header-h:72px;
}

@media (prefers-color-scheme:dark){
  :root{
    --upx-ink:#E7EEF7;
    --upx-muted:#AAB6C7;
    --upx-bg:#071021;
    --upx-card:#0B152A;
    --upx-border:rgba(229,233,240,.14);
    --upx-shadow-sm:0 2px 10px rgba(0,0,0,.35);
    --upx-shadow-md:0 10px 30px rgba(0,0,0,.45);
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  color:var(--upx-ink);
  background:var(--upx-bg);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
a:hover{ color:var(--upx-primary); }

.upx-wrap{ max-width:var(--upx-container); margin:0 auto; padding:0 16px; }

/* ===== Header ===== */
.upx-header{
  position:sticky; top:0; z-index:60;
  backdrop-filter:saturate(180%) blur(10px);
  background: color-mix(in oklab, var(--upx-card) 92%, transparent);
  border-bottom:1px solid var(--upx-border);
}
.upx-header__inner{
  height:var(--upx-header-h);
  display:flex;
  align-items:center;
  gap:14px;
}

/* Brand */
.upx-brand{ display:flex; align-items:center; gap:10px; min-width:0; }
.upx-logo-text{ font-weight:900; letter-spacing:-.02em; }
.upx-brand img{ height:36px; width:auto; display:block; }

/* Nav desktop */
.upx-nav--desktop{ display:none; }
.upx-menu{ list-style:none; margin:0; padding:0; display:flex; gap:10px; }
.upx-menu > li > a{
  display:inline-flex; align-items:center;
  padding:10px 10px;
  border-radius:12px;
  font-weight:700;
  color:var(--upx-ink);
  transition: background var(--upx-speed) var(--upx-ease);
}
.upx-menu > li > a:hover{
  background: color-mix(in oklab, var(--upx-primary) 12%, var(--upx-card));
  color:var(--upx-ink);
}

/* Search */
.upx-search{ display:none; }
.upx-search input{
  width:260px;
  border:1px solid var(--upx-border);
  background:var(--upx-card);
  color:var(--upx-ink);
  border-radius:999px;
  padding:10px 14px;
  outline:none;
  font-size:16px; /* anti zoom iOS */
  min-height:44px;
  transition: box-shadow var(--upx-speed) var(--upx-ease), border-color var(--upx-speed) var(--upx-ease);
}
.upx-search input:focus{
  border-color: color-mix(in oklab, var(--upx-primary) 55%, var(--upx-border));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--upx-primary) 18%, transparent);
}

/* Actions */
.upx-actions{ margin-left:auto; display:flex; align-items:center; gap:10px; }
.upx-btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius:var(--upx-radius-md);
  font-weight:800;
  line-height:1;
  border:1px solid transparent;
  transition: transform var(--upx-speed) var(--upx-ease), box-shadow var(--upx-speed) var(--upx-ease), background var(--upx-speed) var(--upx-ease), border-color var(--upx-speed) var(--upx-ease);
  user-select:none;
  white-space:nowrap;
}
.upx-btn--primary{
  background:var(--upx-primary);
  color:#fff;
}
.upx-btn--primary:hover{ transform: translateY(-1px); box-shadow: var(--upx-shadow-sm); }
.upx-btn--ghost{
  background: color-mix(in oklab, var(--upx-card) 80%, transparent);
  border-color: var(--upx-border);
  color: var(--upx-ink);
}
.upx-btn--ghost:hover{ border-color: color-mix(in oklab, var(--upx-primary) 30%, var(--upx-border)); }
.upx-btn--link{
  background:transparent;
  border-color:transparent;
  padding:10px 0;
  justify-content:flex-start;
  color:var(--upx-primary);
}

/* Burger */
.upx-burger{
  width:44px; height:44px;
  border-radius:12px;
  border:1px solid var(--upx-border);
  background:var(--upx-card);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.upx-burger span{
  width:18px; height:2px;
  background:var(--upx-ink);
  border-radius:10px;
  transition: transform var(--upx-speed) var(--upx-ease), opacity var(--upx-speed) var(--upx-ease);
}

/* Main */
.upx-main{ min-height: calc(100vh - var(--upx-header-h)); padding: 18px 0 40px; }

/* Drawer */
.upx-drawer{ position:fixed; inset:0; z-index:80; display:none; }
body.upx-drawer-open .upx-drawer{ display:block; }
.upx-drawer__overlay{
  position:absolute; inset:0;
  background:rgba(0,0,0,.35);
}
.upx-drawer__panel{
  position:absolute; top:0; right:0;
  height:100%;
  width:min(92vw, 420px);
  background:var(--upx-card);
  border-left:1px solid var(--upx-border);
  box-shadow: var(--upx-shadow-md);
  transform: translateX(100%);
  transition: transform var(--upx-speed) var(--upx-ease);
  padding: 16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
body.upx-drawer-open .upx-drawer__panel{ transform: translateX(0); }

.upx-drawer__top{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.upx-drawer__close{
  width:44px; height:44px;
  border-radius:12px;
  border:1px solid var(--upx-border);
  background:var(--upx-card);
  color:var(--upx-ink);
  font-size:24px;
  cursor:pointer;
}

.upx-menu--mobile{ display:flex; flex-direction:column; gap:8px; }
.upx-menu--mobile a{
  padding:12px 12px;
  border-radius:14px;
  background: color-mix(in oklab, var(--upx-card) 86%, transparent);
  border:1px solid var(--upx-border);
}
.upx-drawer__actions{
  margin-top:auto;
  display:flex; flex-direction:column; gap:10px;
}

.upx-search--mobile{ display:block; }
.upx-search--mobile input{ width:100%; }

/* Footer */
.upx-footer{
  border-top:1px solid var(--upx-border);
  background: var(--upx-card);
}
.upx-footer__inner{
  padding: 22px 16px;
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:flex-start;
  justify-content:space-between;
}
.upx-footer__brand{ display:flex; flex-direction:column; gap:6px; }
.upx-footer__tag{ color:var(--upx-muted); font-weight:600; font-size:14px; }
.upx-footer__menu{ list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:10px; }
.upx-footer__menu a{ color:var(--upx-muted); font-weight:700; }
.upx-footer__menu a:hover{ color:var(--upx-primary); }
.upx-footer__meta{ color:var(--upx-muted); font-weight:600; font-size:14px; }

/* Responsive desktop */
@media (min-width: 980px){
  .upx-nav--desktop{ display:block; }
  .upx-search--desktop{ display:block; }
  .upx-burger{ display:none; }
}


/* --- Enroll success message (sticky block) --- */
#upx-enroll-page-message{
  display:none;
  margin:14px 0 0;
}
#upx-enroll-page-message .upx-page-msg-inner{
  border-radius:14px;
  padding:12px 14px;
  font-weight:600;
}
#upx-enroll-page-message.is-ok .upx-page-msg-inner{
  background: rgba(25,135,84,.12);
  border:1px solid rgba(25,135,84,.25);
  color:#0f5132;
}
#upx-enroll-page-message.is-error .upx-page-msg-inner{
  background: rgba(220,53,69,.10);
  border:1px solid rgba(220,53,69,.25);
  color:#842029;
}

/* --- Enroll modal mobile comfort --- */
@media (max-width: 560px){
  .upx-modal{ padding: 12px; }
  .upx-modal-card{ width:100%; max-width:100%; border-radius:18px; }
  .upx-modal-body{ max-height: calc(100vh - 120px); overflow:auto; -webkit-overflow-scrolling: touch; }
  .upx-form-row{ flex-direction:column; }
  .upx-form-row .upx-field{ width:100%; }
  .upx-form-actions{ flex-direction:column; gap:10px; }
  .upx-form-actions .upx-btn{ width:100%; }

  /* iOS Safari : évite le zoom automatique sur focus */
  input, select, textarea, button{ font-size:16px; }
}

/* Chapters list */
.upx-chapters{ display:flex; flex-direction:column; gap:12px; }
.upx-chapter{ border:1px solid rgba(15,23,42,.08); border-radius:16px; padding:12px; background:rgba(255,255,255,.6); }
.upx-chapter-head{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.upx-chapter-title{ font-weight:700; }
.upx-chapter-files{ margin:10px 0 0 0; padding-left:18px; }
.upx-chapter-files li{ margin:6px 0; }
.upx-link{ text-decoration:none; font-weight:600; }

/* ==========================================================
 * Theme switcher — override variables (data-theme)
 * - footer.php sets: html/body data-theme = system|light|dark
 * - this ensures selection wins over prefers-color-scheme
 * ========================================================== */
:root[data-theme="light"],
body.theme-light{
  --upx-ink:#0D1B2A;
  --upx-muted:#4A5568;
  --upx-bg:#F6F8FB;
  --upx-card:#ffffff;
  --upx-border:#E5E9F0;
  --upx-shadow-sm:0 2px 10px rgba(16,24,40,.06);
  --upx-shadow-md:0 10px 30px rgba(16,24,40,.10);
}

:root[data-theme="dark"],
body.theme-dark{
  --upx-ink:#E7EEF7;
  --upx-muted:#AAB6C7;
  --upx-bg:#071021;
  --upx-card:#0B152A;
  --upx-border:rgba(229,233,240,.14);
  --upx-shadow-sm:0 2px 10px rgba(0,0,0,.35);
  --upx-shadow-md:0 10px 30px rgba(0,0,0,.45);
}

/* Dark mode polish: chapters cards */
body.theme-dark .upx-chapter{
  background: rgba(11,21,42,.72);
  border-color: rgba(255,255,255,.12);
}
body.theme-dark .upx-link{ color: rgba(231,238,247,.92); }