:root {
    /* Paleta Principal */
    --verde-principal: #10b981;
    --verde-claro: #34d399;
    --escuro-fundo: #0f172a;
    --escuro-bloco: #1e293b;
    --escuro-card: #24314b;
    --campo-fundo: #334155;
    --texto-branco: #f8fafc;
    --texto-suave: #cbd5e1;
    --borda-cor: #334155;
    --sombra-suave: rgba(0, 0, 0, 0.35);
    --gradiente: linear-gradient(135deg, #10b981, #22c55e);
    --raio-borda: 18px;
    --transicao: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--escuro-fundo);
    color: var(--texto-branco);
    line-height: 1.6;
}

/* === MENU LATERAL === */
.sidebar {
    width: 270px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--escuro-bloco);
    border-right: 1px solid var(--borda-cor);
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 20px rgba(0,0,0,.25);
}

.sidebar-header .logo-wrap {
    display: flex;
    align-items: center;
    gap: .8rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--gradiente);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--verde-principal);
}

.sub-text {
    font-size: .8rem;
    color: var(--texto-suave);
    display: block;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: .9rem;
    padding: .9rem 1.1rem;
    border-radius: 14px;
    color: var(--texto-suave);
    text-decoration: none;
    margin-bottom: .6rem;
    transition: var(--transicao);
    font-weight: 500;
}

.nav-item:hover, .nav-item.active {
    background: var(--gradiente);
    color: white;
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(16,185,129,.35);
}

.nav-item.destaque {
    border: 1px dashed var(--verde-principal);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1.5rem;
}

.user-card {
    display: flex;
    align-items: center;
    gap: .9rem;
    background: var(--escuro-card);
    padding: .9rem;
    border-radius: 14px;
    margin-bottom: 1rem;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradiente);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.btn-tema {
    width: 100%;
    padding: .8rem;
    background: transparent;
    border: 1px solid var(--borda-cor);
    color: inherit;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transicao);
    font-size: .95rem;
}

.btn-tema:hover {
    border-color: var(--verde-principal);
    color: var(--verde-principal);
}

/* === ÁREA PRINCIPAL === */
.main-area {
    margin-left: 270px;
    padding: 2.2rem;
}

.topbar {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--borda-cor);
}

.topbar h1 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.topbar p {
    color: var(--texto-suave);
    font-size: 1rem;
}

.pagina {
    display: none;
    animation: suaveEntrada .4s ease;
}

.pagina:first-of-type {
    display: block;
}

@keyframes suaveEntrada {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* === CARDS E BLOCOS === */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.4rem;
    margin-bottom: 2.5rem;
}

.card-resumo {
    background: var(--escuro-card);
    padding: 1.6rem;
    border-radius: var(--raio-borda);
    border: 1px solid var(--borda-cor);
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
    transition: var(--transicao);
    text-align: center;
}

.card-resumo:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 25px rgba(0,0,0,.3);
    border-color: var(--verde-principal);
}

.card-resumo.destaque {
    background: linear-gradient(135deg, rgba(16,185,129,.25), rgba(34,197,94,.15));
    border-color: var(--verde-principal);
}

.card-resumo h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: .4rem;
}

.bloco-form, .card-form {
    background: var(--escuro-card);
    border-radius: var(--raio-borda);
    border: 1px solid var(--borda-cor);
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,.25);
    margin-bottom: 2rem;
}

/* === FORMULÁRIOS === */
.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
    margin: 1.2rem 0;
}

input, select, textarea {
    width: 100%;
    padding: 1rem;
    background: var(--campo-fundo);
    border: 1px solid var(--borda-cor);
    border-radius: 14px;
    color: inherit;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transicao);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--verde-principal);
    box-shadow: 0 0 0 3px rgba(16,185,129,.2);
}

.btn-principal {
    background: var(--gradiente);
    border: none;
    padding: .95rem 1.6rem;
    border-radius: 12px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: var(--transicao);
    font-size: 1rem;
}

.btn-principal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16,185,129,.4);
}

.btn-secundario {
    background: transparent;
    border: 1px solid var(--borda-cor);
    padding: .9rem 1.5rem;
    border-radius: 12px;
    color: inherit;
    cursor: pointer;
    transition: var(--transicao);
    font-size: 1rem;
}

.btn-secundario:hover {
    border-color: var(--verde-principal);
    color: var(--verde-principal);
}

.form-oculto { display: none; }
.cabecalho { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom:1.5rem; }

/* === TABELAS === */
.tabela-container {
    overflow-x: auto;
    background: var(--escuro-card);
    border-radius: var(--raio-borda);
    border: 1px solid var(--borda-cor);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: rgba(15,23,42,.6);
    padding: 1.2rem;
    text-align: left;
    font-weight: 600;
    color: var(--verde-claro);
    border-bottom: 2px solid var(--borda-cor);
}

td {
    padding: 1.1rem;
    border-bottom: 1px solid var(--borda-cor);
    color: var(--texto-suave);
}

tr:hover td {
    background: rgba(16,185,129,.06);
    color: white;
}

.badge {
    padding: .4rem .8rem;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 500;
}

.badge.ativo { background: rgba(16,185,129,.25); color: #34d399; }
.badge.inativo { background: rgba(239,68,68,.2); color: #f87171; }

.nota-sistema {
    text-align: center;
    color: var(--texto-suave);
    font-size: .9rem;
    margin-top: 1rem;
}