:root {
    --bg: #071f1f; --panel: #0d2b2a; --muted: #78d8ce; --neon: #00ffcc; --neon-2: #00e6b3;
    --card-border: rgba(0, 255, 204, 0.08); --radius: 12px; --shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    --font: Inter, "Segoe UI", Roboto, Arial, sans-serif; --error: #e74c3c; --warning: #f1c40f;
    --purple: #8e44ad; --green-normal: #2ecc71; --orange-over: #f39c12;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: var(--font); background: radial-gradient(800px 300px at 10% 8%, rgba(0, 255, 204, 0.03), transparent 8%), linear-gradient(180deg, var(--bg) 0%, #031616 100%);
    color: #dffbf3; display: flex; justify-content: center; padding: 28px;
    font-size: 14px;
}
.wrap { width: 100%; max-width: 95vw; display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
aside.sidebar { background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0)); border-radius: var(--radius); padding: 18px; border: 1px solid var(--card-border); box-shadow: var(--shadow); display: flex; flex-direction: column; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; }
.logo { width: 48px; height: 48px; border-radius: 10px; background: linear-gradient(135deg, var(--neon), var(--neon-2)); display: grid; place-items: center; font-weight: 700; color: #012; box-shadow: 0 6px 20px rgba(0, 255, 204, 0.08); }
.brand h1 { font-size: 1.2rem; margin: 0; color: var(--neon); letter-spacing: 0.3px; }
.brand p { margin: 0; font-size: 0.85rem; color: var(--muted); }
nav.menu { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
nav.menu a { text-decoration: none; color: inherit; padding: 10px; border-radius: 8px; display: flex; align-items: center; gap: 10px; font-size: 1rem; cursor: pointer; transition: background-color 0.2s, color 0.2s; }
nav.menu a:hover { background: rgba(0, 255, 204, 0.04); }
nav.menu a.active { background: rgba(0, 255, 204, 0.1); color: var(--neon); font-weight: 600; }
main.main { display: flex; flex-direction: column; gap: 18px; }
.content-panel { padding: 24px; border-radius: 12px; background: var(--panel); border: 1px solid var(--card-border); box-shadow: var(--shadow); }
.hidden { display: none !important; }
.page { display: none; }
.page.active { display: block; animation: fadeInPage 0.4s ease-in-out; }
@keyframes fadeInPage { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.muted-text { color: var(--muted); font-size: 1em; }
.panel-title { font-size: 1.4rem; margin: 0 0 24px 0; color: var(--neon); font-weight: 600; }
.status-color-abaixo-do-peso { color: var(--purple) !important; }
.status-color-peso-normal { color: var(--green-normal) !important; }
.status-color-sobrepeso { color: var(--orange-over) !important; }
.status-color-obesidade { color: var(--error) !important; }
.registrar-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.registrar-placeholder { width: 100%; display: flex; align-items: center; justify-content: center; border-left: 1px solid var(--card-border); padding-left: 24px; }
.placeholder-card { background: var(--bg); padding: 40px; border-radius: var(--radius); font-size: 1.5rem; color: var(--muted); font-weight: 600; }
.gerenciar-main-cats { display: flex; flex-wrap: wrap; gap: 10px; padding-bottom: 16px; border-bottom: 1px solid var(--card-border); margin-bottom: 16px; }
.gerenciar-main-cats button { background-color: var(--bg); border: 1px solid var(--card-border); color: var(--muted); padding: 6px 14px; border-radius: 8px; font-size: 0.9rem; cursor: pointer; transition: all 0.2s; }
.gerenciar-main-cats button:hover { background-color: var(--panel); color: var(--neon); }
.gerenciar-main-cats button.active { background-color: var(--neon); color: var(--bg); font-weight: 600; border-color: var(--neon); }
.gerenciar-drilldown-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.gerenciar-sub-cats, .gerenciar-items { min-height: 400px; }
.gerenciar-sub-cats button { display: block; width: 100%; background: none; border: none; border-bottom: 1px solid var(--card-border); color: var(--muted); text-align: left; padding: 8px; font-size: 0.9rem; cursor: pointer; border-radius: 4px; }
.gerenciar-sub-cats button:hover { background-color: rgba(0, 255, 204, 0.04); }
.gerenciar-sub-cats button.active { color: var(--neon); font-weight: 600; background-color: rgba(0, 255, 204, 0.1); }
.gerenciar-items-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px solid var(--card-border); }
.gerenciar-items-header h3 { color: var(--neon); margin: 0; font-size: 1.1rem; }
.gerenciar-item-list { list-style: none; padding: 0; }
.gerenciar-item { display: flex; justify-content: space-between; align-items: center; padding: 6px 4px; border-bottom: 1px solid var(--card-border); font-size: 0.9rem; }
.gerenciar-item:hover { background-color: rgba(0, 255, 204, 0.04); }
.gerenciar-item span { flex-grow: 1; }
.gerenciar-item-actions { display: flex; gap: 12px; }
.gerenciar-item-actions button { background: none; border: none; font-size: 0.85rem; color: var(--muted); cursor: pointer; transition: color 0.2s; padding: 0; }
.gerenciar-item-actions button:hover { color: var(--neon); }
.gerenciar-item-actions .delete-btn:hover { color: var(--error); }
.wrap.loading .main, .wrap.loading .sidebar { visibility: hidden; opacity: 0; transition: opacity 0.3s ease-in-out; }