/* ----------------------------
   Base + Theme variables
----------------------------- */

:root{
  color-scheme: light dark;

  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.09);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);

  --brand1: #94a3fd;
  --brand2: #38bdf8;
  --ok: #22c55e;
  --err: #ef4444;

  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --radius: 14px;

  --header-h: 72px;
  --gap: 12px;
}

:root[data-theme="light"]{
  --bg: #f6f7fb;
  --surface: rgba(16,24,40,.04);
  --surface2: rgba(16,24,40,.06);
  --border: rgba(16,24,40,.14);
  --text: rgba(16,24,40,.94);
  --muted: rgba(16,24,40,.68);

  --shadow: 0 14px 40px rgba(16,24,40,.12);
}

*{ box-sizing: border-box; }

[hidden]{
  display: none !important;
}

html, body{
  height:100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  /* Garde vos dégradés actuels */
  background: radial-gradient(1200px 600px at 20% -10%, rgba(148,163,253,.25), transparent 60%),
              radial-gradient(1200px 600px at 90% 10%, rgba(56,189,248,.25), transparent 55%),
              var(--bg);
  background-attachment: fixed; /* Empêche le dégradé de défiler avec la page */
  background-repeat: no-repeat; /* Évite toute répétition visuelle */
  background-size: cover; /* S'assure que le fond couvre tout l'écran */
  color: var(--text);
}


/* ----------------------------
   Header
----------------------------- */

.app-header{
  height: auto;
  min-height: var(--header-h);
  align-items: center;
}



.app-title{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.app-title h1{
  margin:0;
  font-size: 16px;
  letter-spacing: .2px;
}
.app-title p{
  margin:0;
  color: var(--muted);
  font-size: 12px;
}

.subtitle{ margin: 2px 0 0; color: var(--muted); font-size: 13px; }

/* boutons header */
.header-actions{
  display:flex;
  gap:10px;
  align-items:center;
}

button{
  appearance:none;
  border:1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 600;
  font-size: 13px;
}
button:hover{
  background: var(--surface2);
}
button:active{
  transform: translateY(1px);
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline: 2px solid rgba(56,189,248,.65);
  outline-offset: 2px;
}

.logo{
  width: 44px; height: 44px;
  display:grid; place-items:center;
  border-radius: 12px;
  background: rgba(110,168,255,.18);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 700;
}

.brand-logo{
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(110,168,255,.18);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  cursor: zoom-in;
}

.brand-logo img{
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}

/* Lightbox (logo agrandi) */
.logo-lightbox{
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0,0,0,.70);
  backdrop-filter: blur(8px);
}

.logo-lightbox-inner{
  border: 0;
  background: transparent;
  padding: 0;
  cursor: zoom-out;
}

.logo-lightbox-inner img{
  width: min(80vw, 520px);
  height: auto;
  display: block;
}

.brand{
  display: flex;
  align-items: center; /* centre sur l’axe vertical (cross axis) */
  gap: 12px;
}

.brand-text{
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.brand-text h1{
  margin: 0;
  line-height: 1.05;
  font-size: clamp(18px, 4.8vw, 32px);
}

.subtitle{
  margin: 2px 0 0;
}


/* ----------------------------
   Shell layout
----------------------------- */

.app-shell{
  display:grid;
  grid-template-columns: minmax(260px, 420px) 8px minmax(320px, 1fr);
  gap: 0;
  padding: 10px 18px 18px;
  min-height: calc(100vh - var(--header-h));
  align-items: start;
}

/* Colonne gauche */
.sidebar{
  min-width: 260px;
  max-width: 680px;
}

/* Splitter */
.splitter{
  width: 8px;
  border-radius: 999px;
  cursor: col-resize;
  background: linear-gradient(to bottom, rgba(148,163,253,.22), rgba(56,189,248,.30));
  border: 1px solid rgba(255,255,255,.06);
}
.splitter:hover{
  background: linear-gradient(to bottom, rgba(148,163,253,.32), rgba(56,189,248,.40));
}

/* La colonne droite doit être "assez haute" pour laisser la sticky fonctionner */
.main{
  align-self: stretch; /* important en layout grid */
}

/* Le QR reste visible sous le header sticky */
.preview{
  position: sticky;
  top: calc(var(--header-h) + 16px);
  z-index: 10;
}


/* ----------------------------
   Panels
----------------------------- */

.panel{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: var(--gap);
}

.panel-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 12px;
  cursor: pointer;
  user-select: none;
}
.panel-header h2,
.panel-header h3{
  margin:0;
  font-size: 14px;
}
.panel-header .panel-toggle{
  width: 38px;
  height: 34px;
  padding: 0;
  display:grid;
  place-items:center;
  border-radius: 12px;
}

/* corps panel */
.panel-body{
  padding: 12px;
}

/* Collapse behavior via data attribute */
.panel[data-collapsible][data-collapsed="true"] .panel-body{
  display:none;
}
.panel[data-collapsible][data-collapsed="true"] .panel-toggle{
  transform: rotate(-90deg);
}

/* Sous panels (fieldsets) */
.subpanel{
  border-radius: 12px;
  background: rgba(0,0,0,.10);
  border: 1px solid var(--border);
  padding: 10px;
  margin: 10px 0 0;
}
.subpanel legend{
  padding: 0 8px;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}

/* ----------------------------
   Forms
----------------------------- */

.field{
  display:flex;
  flex-direction:column;
  gap: 6px;
  margin-bottom: 12px;
}

label{
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="tel"],
textarea,
select{
  width:100%;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.12);
  color: var(--text);
  font-size: 14px;
}

:root[data-theme="light"] input[type="text"],
:root[data-theme="light"] input[type="url"],
:root[data-theme="light"] input[type="email"],
:root[data-theme="light"] input[type="tel"],
:root[data-theme="light"] textarea,
:root[data-theme="light"] select{
  background: rgba(255,255,255,.65);
}

textarea{
  min-height: 86px;
  resize: vertical;
}

input[type="range"]{
  width:100%;
}

input[type="color"]{
  width: 52px;
  height: 34px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
}

/* small inline helpers */
.inline{
  display:flex;
  gap:10px;
  align-items:center;
}
.inline .grow{ flex:1; }

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

hr{
  border:0;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.muted{
  color: var(--muted);
}

/* ----------------------------
   Preview (sticky QR)
----------------------------- */

.preview{
  width: min(780px, 100%);
  margin-inline: auto;

  position: sticky;
  top: 16px; /* "quelques lignes" sous le haut */
  z-index: 10;
}

.preview-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.preview-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 12px;
}

#qrcode{
  display:grid;
  place-items:center;
  width:100%;
  padding: 10px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(0,0,0,.10);
}

/* qr-code-styling injecte canvas ou svg */
#qrcode canvas,
#qrcode svg{
  max-width: 100%;
  height: auto;
  display:block;
}

.payload{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: var(--muted);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 10px 0 0;
}

/* status + erreurs */
.status-pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.10);
  color: var(--text);
}
.status-pill[data-state="ok"]{
  border-color: rgba(34,197,94,.35);
}
.status-pill[data-state="err"]{
  border-color: rgba(239,68,68,.45);
}

.error-box{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(239,68,68,.45);
  background: rgba(239,68,68,.12);
  color: rgba(255,255,255,.95);
}

/* actions zone */
.actions{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 12px;
}
.actions button{
  flex: 1 1 160px;
}

/* ----------------------------
   Responsive
----------------------------- */

@media (max-width: 980px){
  .app-shell{
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 10px 12px 14px;
  }

  .main{ order: 1; }     /* Prévisualisation en premier */
  .sidebar{ order: 2; }  /* Paramètres en dessous */

  .splitter{ display:none; }

  /* tes règles existantes */
  .sidebar{
    width:auto !important;
    max-width: none;
  }

  .preview{
    position: relative;
    top: auto;
  }

  .grid2{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px){
  .app-header{ padding: 10px 12px; }
  .brand-text h1{ font-size: clamp(16px, 6vw, 22px); line-height: 1.05; }
  .subtitle{ font-size: 11px; }
}