*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f5f5f7;
  --bg2:#ffffff;
  --bg3:#f0f0f2;
  --bg-elevated:rgba(255,255,255,.72);
  --text:#1d1d1f;
  --text2:#6e6e73;
  --border:rgba(0,0,0,.08);
  --border-strong:rgba(0,0,0,.12);
  --primary:#0071e3;
  --primary-text:#ffffff;
  --open:#ff9f0a;
  --progress:#0071e3;
  --resolved:#30d158;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --shadow-lg:0 4px 12px rgba(0,0,0,.08), 0 16px 40px rgba(0,0,0,.12);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
}

body.dark{
  --bg:#000000;
  --bg2:#1c1c1e;
  --bg3:#2c2c2e;
  --bg-elevated:rgba(28,28,30,.72);
  --text:#f5f5f7;
  --text2:#98989d;
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.14);
  --primary:#0a84ff;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
  --shadow-lg:0 4px 12px rgba(0,0,0,.4), 0 16px 40px rgba(0,0,0,.55);
}

@media (prefers-color-scheme: dark) {
  body:not(.light){
    --bg:#000000;
    --bg2:#1c1c1e;
    --bg3:#2c2c2e;
    --bg-elevated:rgba(28,28,30,.72);
    --text:#f5f5f7;
    --text2:#98989d;
    --border:rgba(255,255,255,.09);
    --border-strong:rgba(255,255,255,.14);
    --primary:#0a84ff;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
    --shadow-lg:0 4px 12px rgba(0,0,0,.4), 0 16px 40px rgba(0,0,0,.55);
  }
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  padding:20px;
  -webkit-font-smoothing:antialiased;
  transition:background-color .25s ease,color .25s ease;
  letter-spacing:-.01em;
}

header{
  display:flex;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap;
  background:var(--bg-elevated);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:14px 20px;
  box-shadow:var(--shadow);
}
header h1{font-size:19px;font-weight:700;display:flex;align-items:center;gap:8px;letter-spacing:-.02em}

.nav-btn{
  background:var(--bg3);
  border:1px solid transparent;
  border-radius:999px;
  padding:9px 16px;
  cursor:pointer;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  display:flex;align-items:center;gap:6px;
  transition:background-color .15s ease,transform .1s ease,color .15s ease;
  font-family:inherit;
  letter-spacing:-.01em;
  text-decoration:none;
}
.nav-btn:hover{background:var(--border-strong)}
.nav-btn:active{transform:scale(.96)}
.nav-btn.primary{background:var(--primary);color:var(--primary-text)}

/* Toggle dark/light */
.theme-toggle{
  position:relative;width:52px;height:30px;border-radius:999px;background:var(--bg3);
  border:1px solid var(--border);cursor:pointer;flex-shrink:0;transition:background-color .2s ease;
  margin-left:auto;
}
.theme-toggle::after{
  content:'';position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;
  background:var(--bg2);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s cubic-bezier(.4,0,.2,1);
}
body.dark .theme-toggle::after{transform:translateX(22px)}
.theme-toggle-icons{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 7px;font-size:12px;pointer-events:none}

/* Board */
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.board-col{display:flex;flex-direction:column;gap:10px}
.board-col-header{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;padding:0 2px}
.board-col-dot{width:8px;height:8px;border-radius:50%}
.board-col-count{background:var(--bg3);border-radius:999px;padding:1px 8px;font-size:11px;font-weight:700;color:var(--text2)}

.ticket-card{
  background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:14px 16px;display:flex;flex-direction:column;gap:8px;
  box-shadow:var(--shadow);border-left:3px solid transparent;
}
.ticket-card.st-open{border-left-color:var(--open)}
.ticket-card.st-in_progress{border-left-color:var(--progress)}
.ticket-card.st-resolved{border-left-color:var(--resolved)}
.ticket-title{font-weight:600;font-size:14px;background:transparent;border:none;color:var(--text);font-family:inherit;padding:2px 0;width:100%}
.ticket-title:focus{outline:none;border-bottom:1px solid var(--primary)}
.ticket-desc{font-size:13px;color:var(--text2);background:transparent;border:none;font-family:inherit;resize:vertical;width:100%;padding:2px 0;min-height:32px}
.ticket-desc:focus{outline:none}
.ticket-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text2);flex-wrap:wrap}
.ticket-source{background:var(--bg3);border-radius:999px;padding:2px 8px;font-weight:600}
.ticket-actions{display:flex;gap:6px;margin-top:2px}
.ticket-actions button{
  flex:1;font-size:11px;font-weight:600;padding:6px 8px;border-radius:8px;border:1px solid var(--border);
  background:var(--bg3);color:var(--text);cursor:pointer;font-family:inherit;
}
.ticket-actions button:hover{background:var(--border-strong)}
.ticket-actions button.current{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}

.mini-avatar{
  width:18px;height:18px;border-radius:50%;overflow:hidden;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:8px;font-weight:700;
}
.mini-avatar img{width:100%;height:100%;object-fit:cover}

.empty-col{font-size:12px;color:var(--text2);padding:8px 2px}

/* Overlay modal (nouveau ticket) */
.pin-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.35);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;z-index:300;
  animation:overlayIn .2s ease;
}
@keyframes overlayIn{from{opacity:0}to{opacity:1}}
.pin-overlay.open{display:flex}
.pin-box{
  background:var(--bg2);border-radius:var(--radius-lg);padding:32px;width:300px;
  display:flex;flex-direction:column;gap:16px;align-items:center;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);
  animation:popIn .2s cubic-bezier(.4,0,.2,1);
}
@keyframes popIn{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}
.pin-box select,.pin-box input[type=text]{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:var(--bg3);color:var(--text);font-size:14px;font-family:inherit;
}
.pin-box select:focus,.pin-box input:focus{outline:none;border-color:var(--primary)}
.login-error{color:var(--high,#ff3b30);font-size:13px;text-align:center;min-height:16px;font-weight:500}
.pin-back{background:none;border:none;color:var(--text2);font-size:13px;cursor:pointer;font-family:inherit}
.pin-back:hover{color:var(--text)}

@media(max-width:800px){
  .board{grid-template-columns:1fr}
}