:root {
    --cor-primaria: #4B3F72;
    --cor-secundaria: #8A7CA8;
    --cor-fundo: #F5F3FA;
    --cor-texto: #2E2A3A;
    --cor-sucesso: #2E7D32;
    --cor-erro: #C62828;
    --cor-alerta: #B98A00;
    --branco: #FFFFFF;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    margin: 0;
}

/* ---------- Login ---------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
}
.login-box {
    background: var(--branco);
    padding: 40px;
    border-radius: 12px;
    width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}
.login-box h1 { margin: 0; color: var(--cor-primaria); }
.subtitulo { color: #777; margin-bottom: 24px; font-size: 14px; }
.login-box label { display: block; text-align: left; font-size: 13px; margin-top: 12px; margin-bottom: 4px; }
.login-box input {
    width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px;
}
.login-box button {
    width: 100%; margin-top: 20px; padding: 12px; background: var(--cor-primaria);
    color: white; border: none; border-radius: 6px; font-size: 15px; cursor: pointer;
}
.login-box button:hover { background: var(--cor-secundaria); }

.alerta { padding: 10px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.alerta-erro { background: #FDECEC; color: var(--cor-erro); }
.alerta-sucesso { background: #E9F7EF; color: var(--cor-sucesso); }

/* ---------- Layout interno ---------- */
.wrapper { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px;
    background: var(--cor-primaria);
    color: white;
    padding: 20px 0;
    flex-shrink: 0;
}
.sidebar h2 { text-align: center; font-size: 18px; margin-bottom: 30px; }
.sidebar a {
    display: block; color: #E5E0F2; padding: 12px 24px; text-decoration: none; font-size: 14px;
}
.sidebar a:hover, .sidebar a.ativo { background: var(--cor-secundaria); color: white; }

.conteudo { flex: 1; padding: 30px; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.topbar h1 { font-size: 22px; margin: 0; color: var(--cor-primaria); }
.topbar .usuario { font-size: 14px; color: #555; }

/* ---------- Cards / tabelas ---------- */
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.card {
    background: white; border-radius: 10px; padding: 18px 22px; box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    flex: 1; min-width: 180px;
}
.card .valor { font-size: 24px; font-weight: bold; }
.card .rotulo { font-size: 13px; color: #777; }
.card.entrada .valor { color: var(--cor-sucesso); }
.card.saida .valor { color: var(--cor-erro); }

table {
    width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden;
}
th, td { padding: 10px 14px; text-align: left; font-size: 14px; border-bottom: 1px solid #eee; }
th { background: #F0EDF7; color: var(--cor-primaria); }
tr:hover { background: #FAF9FD; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; }
.badge-pago { background: #E9F7EF; color: var(--cor-sucesso); }
.badge-pendente { background: #FFF6E0; color: var(--cor-alerta); }
.badge-atrasado { background: #FDECEC; color: var(--cor-erro); }

.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px; text-decoration: none;
    font-size: 13px; border: none; cursor: pointer;
}
.btn-primario { background: var(--cor-primaria); color: white; }
.btn-secundario { background: #eee; color: var(--cor-texto); }
.btn-sucesso { background: var(--cor-sucesso); color: white; }
.btn-perigo { background: var(--cor-erro); color: white; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; background: white; padding: 24px; border-radius: 10px; }
.form-grid label { font-size: 13px; margin-bottom: 4px; display: block; }
.form-grid input, .form-grid select, .form-grid textarea {
    width: 100%; padding: 9px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px;
}
.form-grid .full { grid-column: 1 / -1; }

/* ---------- Overlay do menu lateral (fundo escurecido) ---------- */

.overlay-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
}
.overlay-menu.aberto { display: block; }

/* ---------- Barra de navegação inferior (só no mobile) ---------- */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
    z-index: 997;
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.bottom-nav a, .bottom-nav button {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px 4px 6px;
    text-decoration: none;
    color: #888;
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
}
.bottom-nav .icone { font-size: 20px; line-height: 1; }
.bottom-nav .rotulo { font-size: 10px; }
.bottom-nav a.ativo, .bottom-nav button.ativo { color: var(--cor-primaria); font-weight: bold; }

/* ---------- Responsivo: sidebar vira menu off-canvas, navegação principal na barra inferior ---------- */
@media (max-width: 768px) {
    .wrapper { flex-direction: column; }

    .bottom-nav { display: flex; }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 240px;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 999;
        display: block;
        overflow-y: auto;
        padding: 20px 0;
    }
    .sidebar.aberto { transform: translateX(0); }
    .sidebar h2 { display: block; }
    .sidebar a { padding: 12px 24px; white-space: normal; }

    .form-grid { grid-template-columns: 1fr; }

    .conteudo { padding-top: 20px; padding-bottom: 80px; }
    .topbar { flex-wrap: wrap; gap: 10px; }
}

/* ---------- Impressão (recibos) ---------- */
@media print {
    .no-print { display: none !important; }
    body { background: white; }
    .recibo { box-shadow: none; margin: 0; }
}