:root{
  --bg:#0f0f10;--panel:#151518;--card:#1b1b21;--muted:#a0a6ad;--text:#f6f7fb;
  --brand:#6C63FF;--accent:#00E5A0;--danger:#ef4444;--success:#22c55e;
  --ring:0 0 0 3px rgba(108,99,255,.35);--shadow:0 10px 24px rgba(0,0,0,.3)
}
[data-theme="light"]{--bg:#f6f7fb;--panel:#ffffff;--card:#ffffff;--muted:#5b5e66;--text:#0f1117;--ring:0 0 0 3px rgba(90,84,255,.25)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);display:flex;overflow:hidden}

/* Sidebar */
.sidebar{width:86px;background:var(--panel);border-right:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;align-items:center;padding:16px 10px;gap:12px}
.brand{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#8A86FF);display:grid;place-items:center;font-weight:800}
.nav{display:flex;flex-direction:column;gap:8px;width:100%}
.nav button{width:100%;border:0;background:transparent;color:var(--muted);padding:12px 8px;border-radius:12px;display:grid;place-items:center;font-size:20px;transition:.2s;outline:none}
.nav button:hover{background:rgba(255,255,255,.06);color:#fff}
.nav button.active{background:linear-gradient(180deg,rgba(108,99,255,.22),rgba(108,99,255,.06));color:#fff;box-shadow:var(--ring)}

/* Main */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:linear-gradient(180deg,rgba(255,255,255,.06),transparent);border-bottom:1px solid rgba(255,255,255,.06)}
.user-chip{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--panel);border-radius:12px;border:1px solid rgba(255,255,255,.08);cursor:pointer}
.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#34f5c6);display:grid;place-items:center;color:#00382a;font-weight:800;font-size:13px}

.screens{flex:1;overflow:auto;padding:20px}
.screen{display:none;animation:fade .2s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.section{background:var(--panel);border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow);border-radius:16px;padding:18px;margin-bottom:16px}
.section h3{margin:0 0 12px;font-size:16px}
.row{display:flex;gap:10px;flex-wrap:wrap}
input,select{background:var(--card);color:var(--text);border:1px solid rgba(255,255,255,.09);padding:12px;border-radius:12px;outline:none}
input:focus,select:focus{box-shadow:var(--ring);border-color:var(--brand)}
.btn{border:0;padding:12px 14px;border-radius:12px;font-weight:700;cursor:pointer;transition:.2s;}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),#9995ff);color:#fff}
.btn-success{background:linear-gradient(135deg,var(--accent),#34f5c6);color:#00261d}
.btn-ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.12)}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,.18);color:#fff}
.btn-danger{background:linear-gradient(135deg,#ff6b6b,#ef4444);color:#fff}

.list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.list li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:14px;background:var(--card);border:1px solid rgba(255,255,255,.08)}
.list li label{display:flex;align-items:center;gap:10px}
.list input[type="checkbox"]{width:18px;height:18px;margin:0}
.muted{color:var(--muted);font-size:13px}
.badge{font-size:12px;padding:6px 10px;border-radius:999px;background:rgba(108,99,255,.15);color:#c9c7ff;border:1px solid rgba(108,99,255,.35)}
.done{text-decoration:line-through;opacity:.65}

/* Calendar */
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.calendar .cell{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:12px;min-height:112px;padding:8px;display:flex;flex-direction:column;gap:6px}
.calendar .date{font-size:12px;color:var(--muted)}
.calendar .evt{padding:6px 8px;border-radius:8px;font-size:12px;color:#06121b;border:1px solid rgba(0,0,0,.08)}
.legend{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.legend .key{display:flex;align-items:center;gap:6px}
.legend .swatch{width:12px;height:12px;border-radius:4px;border:1px solid rgba(0,0,0,.15)}

/* Scanner */
.scanner{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
#scan-video,#scan-canvas{width:100%;background:#000;border-radius:12px}

/* Drawer */
.drawer{position:fixed;right:-360px;top:0;height:100%;width:340px;background:var(--panel);box-shadow:var(--shadow);border-left:1px solid rgba(255,255,255,.08);transition:right .25s ease;padding:18px;z-index:20}
.drawer.active{right:0}
.drawer .drawer-header{display:flex;justify-content:space-between;align-items:center}
.hr{height:1px;background:rgba(255,255,255,.08);margin:14px 0}

/* Auth */
.auth{position:fixed;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.6);backdrop-filter:blur(2px);z-index:50}
.card-auth{width:min(420px,92vw);background:var(--panel);border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow);border-radius:18px;padding:22px}
.tabs{display:flex;gap:8px;margin-bottom:10px}
.tab{flex:1;text-align:center;padding:10px;border-radius:12px;cursor:pointer}
.tab.active{background:rgba(255,255,255,.08)}
.error{color:#ffb4b4;font-size:13px;margin-top:8px;min-height:18px}

@media (max-width:960px){.scanner{grid-template-columns:1fr}}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.modal.hidden {
  display: none;
}
.modal-content {
  background: #a04040;
  padding: 20px;
  border-radius: 12px;
  max-width: 320px;
  width: 90%;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.modal .actions {
  margin-top: 15px;
  display: flex;
  justify-content: space-between;
}
.modal .actions button {
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}
.modal .actions .danger {
  background: #ff1900;
  color: #fff;
}
.modal .actions button:hover {
  opacity: 0.9;
}

.evt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 6px;
  margin: 2px 0;
  border-radius: 4px;
  color: #222;
  font-size: 13px;
}
.del-btn {
  background: transparent;
  border: none;
  color: #333;
  font-size: 14px;
  cursor: pointer;
  margin-left: 6px;
}
.del-btn:hover {
  color: red;
}