:root{--primary:#1e40af;--primary-600:#2563eb;--primary-dark:#1e3a8a;--surface:#ffffff;--bg:#f1f5f9;--text:#0f172a;--muted:#64748b;--sidebar-w:260px;--radius:12px;--shadow-sm:0 1px 3px rgba(2,6,23,.08),0 1px 2px rgba(2,6,23,.06);--shadow-md:0 8px 24px rgba(2,6,23,.08);--topbar-h:56px}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;overflow:hidden;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);background:radial-gradient(1200px 800px at 10% -10%,rgba(37,99,235,.08),transparent 40%),radial-gradient(900px 600px at 100% 0%,rgba(99,102,241,.06),transparent 35%),var(--bg)}
.content{padding:16px;margin-left:var(--sidebar-w);transition:margin-left .28s ease;height:calc(100vh - var(--topbar-h) - env(safe-area-inset-top, 0px));overflow-y:auto;-webkit-overflow-scrolling:touch;padding-top:calc(var(--topbar-h) + env(safe-area-inset-top, 0px) + 16px)}
body.sidebar-collapsed .content{margin-left:0}
.topbar{position:fixed;top:0;left:0;right:0;z-index:40;height:calc(var(--topbar-h) + env(safe-area-inset-top, 0px));display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 12px;padding-top:env(safe-area-inset-top, 0px);padding-top:constant(safe-area-inset-top);background:linear-gradient(180deg,rgba(30,58,138,1) 0%,rgba(30,58,138,.94) 100%);color:#fff;box-shadow:var(--shadow-sm);backdrop-filter:saturate(140%) blur(6px)}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:8px}
.brand{font-weight:600;letter-spacing:.2px;font-size:1rem;white-space:nowrap}
.icon-btn{background:transparent;border:0;color:inherit;cursor:pointer;height:36px;width:36px;display:grid;place-items:center;border-radius:8px}
.icon-btn, .user-chip, .btn{touch-action: manipulation}
.icon-btn:hover{background:rgba(255,255,255,.08)}
.user-chip{display:flex;align-items:center;gap:.5rem;padding:6px 8px;border-radius:999px;cursor:pointer}
.user-avatar{width:28px;height:28px;border-radius:999px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:.9rem}
.user-name{font-size:.9rem;opacity:.9}
.timer-badge{font-variant-numeric:tabular-nums;font-size:.8rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:2px 6px;border-radius:6px}
.dropdown{position:absolute;right:8px;top:56px;background:var(--surface);color:var(--text);border-radius:10px;box-shadow:var(--shadow-md);min-width:180px;padding:8px;display:none;z-index:60}
.dropdown.show{display:block}
.dropdown a{display:flex;align-items:center;gap:8px;padding:10px;border-radius:8px;color:inherit;text-decoration:none}
.dropdown a:hover{background:#f8fafc}
.toast-stack{position:fixed;right:16px;top:calc(var(--topbar-h) + env(safe-area-inset-top, 0px) + 8px);z-index:1200;display:grid;gap:8px;pointer-events:none}
.toast{pointer-events:auto;background:var(--surface);color:var(--text);border:1px solid #e2e8f0;border-left:4px solid var(--primary-600);padding:10px 12px;border-radius:10px;box-shadow:var(--shadow-md);min-width:220px;max-width:360px;display:flex;align-items:center;gap:10px;opacity:0;transform:translateY(-6px);animation:toast-in .18s ease forwards}
.toast.success{border-left-color:#16a34a}
.toast.error{border-left-color:#dc2626}
.toast .close{margin-left:auto;cursor:pointer;opacity:.6}
@keyframes toast-in{to{opacity:1;transform:translateY(0)}}
@keyframes toast-out{to{opacity:0;transform:translateY(-6px)}}
.loading-overlay{position:fixed;inset:0;background:rgba(2,6,23,.45);display:none;align-items:center;justify-content:center;z-index:1300}
.loading-box{background:#fff;color:#0f172a;border-radius:12px;box-shadow:var(--shadow-md);padding:18px 16px;display:flex;align-items:center;gap:12px;min-width:220px}
.spinner{width:20px;height:20px;border:3px solid #e5e7eb;border-top-color:var(--primary-600);border-radius:999px;animation:spin 1s linear infinite}
.loading-text{font-weight:600}
@keyframes spin{to{transform:rotate(360deg)}}
.confirm-overlay{position:fixed;inset:0;background:rgba(2,6,23,.45);display:none;align-items:center;justify-content:center;z-index:1310}
.confirm-box{background:#fff;color:#0f172a;border-radius:12px;box-shadow:var(--shadow-md);padding:16px;min-width:280px;max-width:90vw}
.confirm-title{font-weight:700;margin-bottom:6px}
.confirm-text{margin-bottom:12px;color:#334155}
.confirm-actions{display:flex;gap:8px;justify-content:flex-end}
.confirm-btn{border:1px solid #cbd5e1;border-radius:8px;padding:8px 12px;background:#fff;color:#0f172a;cursor:pointer}
.confirm-btn.ok{background:#2563eb;color:#fff;border-color:#2563eb}
.confirm-btn.cancel{background:#fff;color:#0f172a}
.sidebar{width:var(--sidebar-w);position:fixed;left:0;top:0;bottom:0;z-index:30;color:#e5e7eb;background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);padding-top:calc(var(--topbar-h) + env(safe-area-inset-top, 0px));overflow-y:auto;transition:transform .28s ease,width .28s ease;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.sidebar.collapsed{transform:translateX(-100%)}
.sidebar .section-title{padding:.75rem 1rem;font-weight:600;opacity:.8;text-transform:uppercase;font-size:.75rem;letter-spacing:.04em}
.sidebar a{display:flex;align-items:center;gap:10px;padding:.7rem 1rem;color:#fff;text-decoration:none;border-left:3px solid transparent;transition:background .2s ease,border-color .2s ease}
.sidebar a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35)}
.nav-icon{width:18px;height:18px;opacity:.9}
.tree{margin:8px 0}
.tree summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:.7rem 1rem;color:#fff}
.tree summary::-webkit-details-marker{display:none}
.tree .caret{width:16px;height:16px;transform:rotate(-90deg);opacity:.9;transition:transform .2s ease}
.tree[open] .caret{transform:rotate(0)}
.tree .label{font-weight:600;opacity:.95;letter-spacing:.02em}
.tree .children{display:grid;gap:4px;padding:6px 0 8px 38px}
.tree .children a{padding:.55rem .75rem;border-radius:8px;border-left:3px solid transparent}
.tree .children a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35)}
#overlay{position:fixed;inset:0;background:rgba(2,6,23,.45);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease;z-index:20}
body.sidebar-open #overlay{opacity:1;visibility:visible;pointer-events:auto}
@media (max-width:920px){.sidebar{transform:translateX(-100%)}body.sidebar-open .sidebar{transform:translateX(0)}.content{margin-left:0!important}}

/* Ajuste de altura usando unidade dinâmica do viewport quando disponível (melhor no mobile) */
@supports (height: 100dvh) {
  .content { height: calc(100dvh - var(--topbar-h) - env(safe-area-inset-top, 0px)); }
}