:root {
    --cor-primaria: #2f6f4f;
    --cor-primaria-escura: #234f38;
    --cor-secundaria: #d8a94f;
    --cor-fundo: #f4f6f5;
    --cor-texto: #26312c;
    --cor-borda: #e3e7e4;
    --sidebar-largura: 250px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Poppins', system-ui, sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    margin: 0;
}

.app-wrapper { display: flex; min-height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-largura);
    background: linear-gradient(180deg, var(--cor-primaria-escura), var(--cor-primaria));
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1000;
    transition: transform .25s ease;
}

.sidebar-brand {
    display: flex; align-items: center; gap: .6rem;
    padding: 1.4rem 1.2rem; font-weight: 700; font-size: 1.15rem;
    border-bottom: 1px solid rgba(255,255,255,.15);
}
.sidebar-brand i { font-size: 1.5rem; color: var(--cor-secundaria); }

.sidebar-nav {
    flex: 1; padding: 1rem .6rem;
    display: flex; flex-direction: column; gap: .2rem;
    overflow-y: auto;
}

.sidebar-secao {
    margin: .8rem .6rem .2rem;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(255,255,255,.5);
}

.sidebar-nav a {
    display: flex; align-items: center; gap: .75rem;
    padding: .7rem 1rem; border-radius: 10px;
    color: rgba(255,255,255,.85); text-decoration: none; font-size: .95rem;
    transition: background .15s ease, color .15s ease;
}
.sidebar-nav a i { font-size: 1.1rem; width: 20px; text-align: center; }
.sidebar-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.sidebar-nav a.active { background: var(--cor-secundaria); color: var(--cor-primaria-escura); font-weight: 600; }

.sidebar-footer { padding: 1rem 1.2rem 1.4rem; border-top: 1px solid rgba(255,255,255,.15); }
.sidebar-footer a { color: #f2b8b8; text-decoration: none; display: flex; align-items: center; gap: .6rem; }

/* ===== Conteúdo principal ===== */
.main-content { margin-left: var(--sidebar-largura); flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
    background: #fff; padding: 1rem 1.6rem;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--cor-borda);
    position: sticky; top: 0; z-index: 900;
}
.topbar-title { font-size: 1.3rem; font-weight: 600; margin: 0; color: var(--cor-primaria-escura); }
.topbar-user { display: flex; align-items: center; gap: .5rem; color: #555; }

.page-content { padding: 1.6rem; flex: 1; }
.page-footer { text-align: center; padding: 1rem; font-size: .85rem; color: #888; }

/* ===== Cards de estatística ===== */
.stat-card {
    background: #fff; border-radius: 16px; padding: 1.4rem;
    border: 1px solid var(--cor-borda);
    display: flex; align-items: center; gap: 1rem; height: 100%;
    box-shadow: 0 2px 10px rgba(0,0,0,.03);
}
.stat-card .icone {
    width: 54px; height: 54px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: #fff; flex-shrink: 0;
}
.stat-card .valor { font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.stat-card .rotulo { color: #777; font-size: .85rem; }

.bg-icone-verde { background: var(--cor-primaria); }
.bg-icone-dourado { background: var(--cor-secundaria); }
.bg-icone-azul { background: #3b82c4; }
.bg-icone-vermelho { background: #d1534b; }

/* ===== Cards / painéis genéricos ===== */
.card-painel {
    background: #fff; border-radius: 16px; border: 1px solid var(--cor-borda);
    padding: 1.5rem; box-shadow: 0 2px 10px rgba(0,0,0,.03);
}

/* ===== Tabelas ===== */
.table-moderna { background: #fff; border-radius: 14px; overflow: hidden; }
.table-moderna thead th {
    background: var(--cor-primaria-escura); color: #fff; border: none;
    font-weight: 500; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em;
}
.table-moderna tbody tr:hover { background: #f1f6f3; }

/* ===== Miniaturas de imagem em tabelas ===== */
.thumb-tabela {
    width: 56px; height: 56px; border-radius: 10px; object-fit: cover;
    border: 1px solid var(--cor-borda);
}

/* ===== Formulários ===== */
.form-label { font-weight: 500; font-size: .9rem; }
.btn-primary { background-color: var(--cor-primaria); border-color: var(--cor-primaria); }
.btn-primary:hover { background-color: var(--cor-primaria-escura); border-color: var(--cor-primaria-escura); }
.btn-outline-primary { color: var(--cor-primaria); border-color: var(--cor-primaria); }
.btn-outline-primary:hover { background-color: var(--cor-primaria); border-color: var(--cor-primaria); }

.preview-imagem {
    width: 100%; max-width: 260px; border-radius: 12px; border: 1px solid var(--cor-borda);
    margin-top: .5rem;
}

/* ===== Tela de login ===== */
.login-wrapper {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--cor-primaria-escura), var(--cor-primaria));
    padding: 1rem;
}
.login-card {
    background: #fff; border-radius: 18px; padding: 2.5rem;
    width: 100%; max-width: 400px; box-shadow: 0 20px 45px rgba(0,0,0,.2);
}
.login-card .icone-topo {
    width: 64px; height: 64px; border-radius: 16px; background: var(--cor-primaria);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; margin: 0 auto 1rem;
}

/* ===== Responsivo ===== */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.aberta { transform: translateX(0); }
    .main-content { margin-left: 0; }
}