:root{
  --bg:#0b1220;
  --card:#0f1a2e;
  --muted:#9fb0d0;
  --text:#e9efff;
  --line:rgba(255,255,255,.08);
  --primary:#4ea1ff;
  --danger:#ff4d6d;
  --ok:#28c76f;
  --warn:#ffb020;
}

*{box-sizing:border-box}

html,body{height:100%}

body{
  margin:0;
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(78,161,255,.18), transparent 55%),
    radial-gradient(900px 500px at 85% 25%, rgba(255,176,32,.12), transparent 50%),
    var(--bg);
  color:var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.45;
}

a{color:inherit}
img{max-width:100%; height:auto}

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

.support-shell{min-height:100vh}

.support-topbar{
  position:sticky;
  top:0;
  z-index:10;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.75);
  border-bottom:1px solid var(--line);
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.support-brand{display:flex; align-items:center; gap:10px}

.support-brand .dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 6px rgba(78,161,255,.15);
}

.support-nav{display:flex; gap:10px; flex-wrap:wrap}

.support-nav a{
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border:1px solid transparent;
  border-radius:12px;
  transition: .15s ease;
}

.support-nav a:hover{
  color:var(--text);
  border-color:var(--line);
  background:rgba(255,255,255,.03);
}

.support-nav a.active{
  color:var(--text);
  border-color:rgba(78,161,255,.35);
  background:rgba(78,161,255,.08);
}

.support-container{
  max-width:1100px;
  margin:0 auto;
  padding:22px 16px 40px;
}

.support-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  margin: 10px 0 14px;
}

.support-head h1{margin:0; font-size: 1.35rem}

.meta{display:flex; flex-wrap:wrap; gap:8px; margin-top:8px}
.head-actions{display:flex; gap:10px; flex-wrap:wrap}

/* =====================================================
   CARD / TYPO
   ===================================================== */

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  margin: 12px 0;
}

.h3{margin:0 0 10px; font-size:1.05rem}
.muted{color:var(--muted)}
.strong{font-weight:700}
.pre{white-space:pre-wrap; line-height:1.55}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
  transition:.15s ease;
}

.btn:hover{
  transform:translateY(-1px);
  background:rgba(255,255,255,.06);
}

.btn:active{transform:translateY(0)}

.btn.primary{
  border-color:rgba(78,161,255,.5);
  background:rgba(78,161,255,.12);
}

.btn.danger{
  border-color:rgba(255,77,109,.5);
  background:rgba(255,77,109,.12);
}

/* Accessibilité */
.btn:focus-visible,
.support-nav a:focus-visible,
.form input:focus-visible,
.form textarea:focus-visible,
.form select:focus-visible,
.faq-item summary:focus-visible{
  outline: 2px solid rgba(78,161,255,.65);
  outline-offset: 3px;
}

/* =====================================================
   PILLS / BADGES
   ===================================================== */

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:.85rem;
}

.pill.status.open{border-color:rgba(78,161,255,.45)}
.pill.status.in_progress{border-color:rgba(255,176,32,.55)}
.pill.status.waiting_customer{border-color:rgba(255,176,32,.55)}
.pill.status.resolved{border-color:rgba(40,199,111,.55)}
.pill.status.closed{border-color:rgba(255,77,109,.55)}

.pill.prio.low{border-color:rgba(40,199,111,.45)}
.pill.prio.medium{border-color:rgba(255,176,32,.55)}
.pill.prio.high{border-color:rgba(255,77,109,.45)}
.pill.prio.urgent{border-color:rgba(255,77,109,.65)}

/* =====================================================
   TABLE / LIST ROWS
   ===================================================== */

.table{display:flex; flex-direction:column; gap:10px}

.tr{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap:10px;
  align-items:center;
  padding:10px 8px;
  border-radius:12px;
}

.tr.th{
  color:var(--muted);
  font-size:.85rem;
  border:1px dashed var(--line);
}

.tr:not(.th){
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
}

@media (max-width: 820px){
  .tr{grid-template-columns:1fr; gap:8px}
}

/* =====================================================
   FORMS
   ===================================================== */

.form .field{margin-bottom:12px}

.form label{
  display:block;
  margin-bottom:6px;
  color:var(--muted);
}

.form .err{color:#ff9aa9; font-size:.9rem; margin-top:6px}

.form input,
.form textarea,
.form select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  outline:none;
}

.form textarea{min-height:120px; resize:vertical}

.form input:focus,
.form textarea:focus,
.form select:focus{
  border-color: rgba(78,161,255,.55);
  box-shadow:0 0 0 4px rgba(78,161,255,.12);
}

/* =====================================================
   GRID
   ===================================================== */

.grid{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
.field.span-2{grid-column:1 / -1}

@media (max-width: 820px){
  .grid{grid-template-columns:1fr}
  .field.span-2{grid-column:auto}
}

.actions{display:flex; justify-content:flex-end; gap:10px; margin-top:12px}

/* =====================================================
   THREAD / MESSAGES
   ===================================================== */

.thread{display:flex; flex-direction:column; gap:10px}

.bubble{
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  background:rgba(255,255,255,.02);
}

.bubble.staff{
  border-color:rgba(78,161,255,.35);
  background:rgba(78,161,255,.06);
}

.bubble-top{
  display:flex;
  justify-content:space-between;
  gap:10px;
  margin-bottom:8px;
  flex-wrap:wrap;
}

.attach{margin-top:8px}

.attach a{
  color:var(--primary);
  text-decoration:none;
}

.attach a:hover{text-decoration:underline}

/* =====================================================
   FLASH MESSAGES
   ===================================================== */

.support-flashes{display:flex; flex-direction:column; gap:8px; margin-bottom:10px}

.flash{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}

.flash.success{border-color:rgba(40,199,111,.5); background:rgba(40,199,111,.10)}
.flash.error{border-color:rgba(255,77,109,.5); background:rgba(255,77,109,.10)}

/* =====================================================
   FAQ
   ===================================================== */

.faq{display:flex; flex-direction:column; gap:10px}

.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.02);
  padding:10px 12px;
}

.faq-item summary{
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  list-style:none;
}

.faq-item summary::-webkit-details-marker{display:none}

.faq-item .q{font-weight:800}
.faq-item .cat{color:var(--muted); font-size:.85rem}
.faq-item .a{margin-top:10px; color:var(--text)}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce){
  .btn, .support-nav a{transition:none}
  .btn:hover{transform:none}
}