:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --bg: #f4f6f9;
    --fg: #1f2937;
    --card: #fff;
    --muted: #6b7280;
    --border: #e5e7eb;
    --ok: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --info: #0891b2;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow-sm: 0 2px 6px rgba(0,0,0,.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,.08);
    --header-gradient: linear-gradient(135deg, var(--primary), var(--primary-light));
}
body.dark {
    --primary: #60a5fa;
    --primary-light: #93c5fd;
    --bg: #0f172a;
    --fg: #e2e8f0;
    --card: #1e293b;
    --muted: #94a3b8;
    --border: #334155;
    --shadow-sm: 0 2px 6px rgba(0,0,0,.35);
    --shadow-md: 0 4px 12px rgba(0,0,0,.45);
    --header-gradient: linear-gradient(135deg, #1e3a8a, #2563eb);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--fg); line-height: 1.5; }

/* Login */
.form-login { max-width: 360px; margin: 10vh auto; padding: 2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 1rem; }
.form-login label { display: flex; flex-direction: column; gap: .25rem; font-size: .9em; font-weight: 600; color: var(--fg); }
.form-login input[type=text], .form-login input[type=password], .form-login input:not([type]) { padding: .65rem .75rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card); color: var(--fg); font-size: 1rem; }
.form-login input:focus { outline: 2px solid var(--primary-light); outline-offset: -1px; }
.form-login button { padding: .8rem; background: var(--primary); color: #fff; border: 0; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; transition: background .15s; }
.form-login button:hover { background: var(--primary-light); }
.chk { flex-direction: row !important; align-items: center; gap: .5rem; font-weight: 400 !important; }
.erro { color: var(--danger); margin: 0; }
.link-recuperar { text-align: center; font-size: .9em; color: var(--primary); }
.user-name { font-size: .85em; color: rgba(255,255,255,.85); }
.btn-sair {
    font-size: .8em;
    background: rgba(255,255,255,.15);
    color: #fff !important;
    border: 1px solid rgba(255,255,255,.25);
    padding: .35rem .7rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    white-space: nowrap;
}
.btn-sair:hover { background: rgba(255,255,255,.28); opacity: 1; }

/* Header */
.topo {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.25rem;
    background: var(--header-gradient);
    color: #fff;
    box-shadow: var(--shadow-md);
    position: sticky; top: 0; z-index: 20;
}
.topo strong, .topo h1 { font-size: 1.15rem; font-weight: 700; color: #fff; letter-spacing: .01em; }
.topo a { color: #fff; text-decoration: none; opacity: .95; }
.topo a:hover { opacity: 1; }
#btn-tema, .topo button {
    background: rgba(255,255,255,.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
    padding: .35rem .7rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: .9rem;
    transition: background .15s;
}
.topo button:hover { background: rgba(255,255,255,.28); }

.container { padding: 1rem; max-width: 1100px; margin: 0 auto; }

/* Forms/inputs */
.form-inline { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.form-inline input, input[type=text], input[type=date], input[type=number], input[type=email], input[type=password], select, textarea {
    padding: .55rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    color: var(--fg);
    font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-light); outline-offset: -1px; }

button {
    padding: .55rem 1.1rem;
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: .95rem;
    font-weight: 600;
    transition: background .15s, transform .05s;
}
button:hover { background: var(--primary-light); }
button:active { transform: translateY(1px); }
button.perigo { background: var(--danger); }
button.perigo:hover { background: #ef4444; }

/* Tabelas */
table { width: 100%; border-collapse: collapse; margin-top: 1rem; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
th, td { padding: .65rem .75rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { background: rgba(30,58,138,.04); color: var(--primary); font-size: .82em; text-transform: uppercase; letter-spacing: .03em; font-weight: 700; }
body.dark th { background: rgba(96,165,250,.08); color: var(--primary); }
tbody tr:hover { background: rgba(30,58,138,.03); }
body.dark tbody tr:hover { background: rgba(96,165,250,.05); }

.msg { padding: .75rem 1rem; background: var(--ok); color: #fff; border-radius: var(--radius-sm); margin-bottom: 1rem; box-shadow: var(--shadow-sm); }

/* Grupos / classificações — listas */
.lista { list-style: none; padding: 0; }
.lista li { display: flex; gap: .6rem; align-items: center; padding: .85rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: .5rem; background: var(--card); flex-wrap: wrap; box-shadow: var(--shadow-sm); transition: transform .08s, box-shadow .15s; }
.lista li:hover { box-shadow: var(--shadow-md); }
.lista .cor { display: inline-block; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--border); flex-shrink: 0; }
.lista .vazio { color: var(--muted); text-align: center; padding: 2rem; }

.tipo { font-size: .78em; padding: .2rem .55rem; border-radius: 999px; background: var(--border); color: var(--fg); font-weight: 600; }
.tipo-receita { background: var(--ok); color: #fff; }
.tipo-despesa { background: var(--danger); color: #fff; }
.tag { font-size: .78em; padding: .2rem .5rem; background: var(--border); color: var(--fg); border-radius: var(--radius-sm); }

/* Dialogs */
dialog { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); color: var(--fg); max-width: 440px; width: 92%; box-shadow: 0 20px 40px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(15,23,42,.55); }
dialog form { display: flex; flex-direction: column; gap: .8rem; }
dialog label { display: flex; flex-direction: column; gap: .3rem; font-size: .9em; font-weight: 600; }
dialog label:has(input[type=checkbox]) { flex-direction: row; align-items: center; font-weight: 400; }
.acoes { display: flex; gap: .5rem; justify-content: flex-end; margin-top: .5rem; }

/* Fluxo — tela principal */
.filtros { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; padding: .75rem; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.filtros select, .filtros button { padding: .45rem .8rem; border: 1px solid var(--border); background: var(--card); color: var(--fg); border-radius: var(--radius-sm); cursor: pointer; font-weight: 500; }
.filtros button { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.filtros button:hover { background: var(--primary-light); border-color: var(--primary-light); }
.filtros .periodo { min-width: 11ch; text-align: center; font-weight: 700; color: var(--primary); }
body.dark .filtros .periodo { color: var(--primary-light); }

.resumo, .resumo-real {
    display: flex; gap: 1rem; padding: 1.1rem 1.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}
.resumo > div, .resumo-real > div { font-size: .95em; }
.resumo .ok, .resumo-real .ok { color: var(--ok); font-weight: 700; }
.resumo .erro, .resumo-real .erro { color: var(--danger); font-weight: 700; }

.grupo { margin-bottom: .6rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-sm); overflow: hidden; }
.grupo summary { padding: .85rem 1rem; display: flex; gap: .6rem; align-items: center; cursor: pointer; list-style: none; font-weight: 600; }
.grupo summary::-webkit-details-marker { display: none; }
.grupo summary::before { content: '\25B8'; color: var(--primary); transition: transform .15s; display: inline-block; }
body.dark .grupo summary::before { color: var(--primary-light); }
.grupo[open] summary::before { transform: rotate(90deg); }
.grupo summary .total { margin-left: auto; font-weight: 700; text-align: right; }
.grupo summary .total-conta { font-size: .65em; font-weight: 400; color: #9ca3af; white-space: nowrap; margin-right: .35rem; }
.grupo summary .total-falta { white-space: nowrap; }
.grupo ul { list-style: none; padding: 0 1rem 1rem; margin: 0; }
.grupo li { display: flex; gap: .5rem; align-items: center; padding: .6rem .25rem; border-top: 1px solid var(--border); flex-wrap: wrap; }
.grupo li .desc { flex: 1; min-width: 0; }
.grupo li .data { font-size: .85em; color: var(--muted); }
.chk-item { display: flex; align-items: center; }
.btn-ico { padding: .3rem .55rem; min-width: 2rem; background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn-ico:hover { background: var(--bg); color: var(--primary); }

/* Bottom nav */
.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0;
    display: flex; justify-content: space-around;
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: .4rem 0;
    z-index: 10;
    box-shadow: 0 -2px 8px rgba(0,0,0,.08);
}
.bottom-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: .45rem .6rem;
    font-size: .85em;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color .15s, background .15s;
}
.bottom-nav a:hover { color: var(--primary); }
.bottom-nav a.ativo { color: #fff; background: var(--primary); font-weight: 700; }

/* FAB */
.fab {
    position: fixed; right: 1rem; bottom: 4.5rem;
    width: 56px; height: 56px; border-radius: 50%;
    font-size: 1.5rem;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(30,58,138,.35);
    z-index: 9;
    border: 0;
    transition: transform .1s, box-shadow .15s;
}
.fab:hover { background: var(--primary-light); transform: scale(1.05); box-shadow: 0 8px 20px rgba(59,130,246,.4); }
main.container { padding-bottom: 7rem; }
.vazio { color: var(--muted); text-align: center; padding: 2rem; }

/* Faturas de cartão */
.tag-paga { background: var(--ok); color: #fff; }
.tag-parcial { background: #facc15; color: #422006; }
.fatura-body { padding: .6rem 1rem 1rem; }
.fatura-body button { margin-bottom: .5rem; }
.compra-item { display: flex; gap: .5rem; align-items: center; padding: .5rem 0; border-top: 1px dotted var(--border); flex-wrap: wrap; }
.compra-item strong { margin-left: auto; }
.tag-classif { font-size: .75em; padding: .18rem .5rem; border-radius: 999px; color: #fff; font-weight: 600; }
.saldo-anterior {
    display: flex; justify-content: space-between; align-items: center;
    padding: .85rem 1.1rem;
    border-radius: var(--radius);
    margin-bottom: .6rem;
    border: 1px solid var(--border);
    background: var(--card);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}
.saldo-anterior.positivo { background: rgba(22,163,74,.08); border-color: var(--ok); color: var(--ok); }
.saldo-anterior.negativo { background: rgba(220,38,38,.08); border-color: var(--danger); color: var(--danger); }
body.dark .saldo-anterior.positivo { background: rgba(22,163,74,.15); }
body.dark .saldo-anterior.negativo { background: rgba(220,38,38,.18); }

.escopo-grupo { display: flex; gap: .5rem; }
.escopo-opt { display: flex; align-items: center; gap: .35rem; padding: .45rem .85rem; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; font-size: .9em; background: var(--card); transition: background .15s; }
.escopo-opt:hover { background: rgba(30,58,138,.04); }
.escopo-opt:has(input:checked) { border-color: var(--primary); background: rgba(30,58,138,.1); color: var(--primary); font-weight: 600; }
body.dark .escopo-opt:has(input:checked) { background: rgba(96,165,250,.15); color: var(--primary); }

/* Fluxo Real */
.dia-real { margin-bottom: .6rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); overflow: hidden; box-shadow: var(--shadow-sm); }
.dia-header { display: flex; gap: .75rem; align-items: center; padding: .7rem 1rem; background: rgba(30,58,138,.04); flex-wrap: wrap; font-weight: 600; }
body.dark .dia-header { background: rgba(96,165,250,.08); }
.dia-header .saldo-dia { margin-left: auto; font-size: .9em; font-weight: 700; color: var(--primary); }
body.dark .dia-header .saldo-dia { color: var(--primary-light); }
.dia-real ul { list-style: none; padding: 0; margin: 0; }
.item-real { display: flex; gap: .5rem; align-items: center; padding: .6rem .9rem; border-top: 1px solid var(--border); flex-wrap: wrap; }
.item-real .desc { flex: 1; min-width: 0; }
.item-real .grupo-tag { font-size: .8em; color: var(--muted); }
.item-real.receita { border-left: 3px solid var(--ok); }
.item-real.despesa { border-left: 3px solid var(--danger); }

.classif-bloco { margin: .25rem .6rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--card); }
.classif-bloco summary { display: flex; gap: .5rem; align-items: center; padding: .5rem .75rem; cursor: pointer; list-style: none; font-weight: 500; }
.classif-bloco summary::-webkit-details-marker { display: none; }
.classif-bloco summary::before { content: '▸'; font-size: .85em; color: var(--primary); transition: transform .15s; display: inline-block; }
body.dark .classif-bloco summary::before { color: var(--primary-light); }
.classif-bloco[open] summary::before { transform: rotate(90deg); }
.classif-bloco summary .total { margin-left: auto; font-weight: 700; font-size: .92em; }

.expandir-btns { display: flex; gap: .5rem; margin-bottom: .75rem; align-items: center; flex-wrap: wrap; }
.resumo-aberto { font-size: .75em; font-weight: 400; color: var(--fg); }
.btn-sm {
    padding: .4rem .85rem;
    font-size: .82em;
    background: var(--card);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: background .15s, color .15s;
}
.btn-sm:hover { background: var(--primary); color: #fff; }

/* Dashboard */
.hist-nota { font-size: .82em; color: var(--muted); margin: -.4rem 0 .75rem; font-style: italic; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .75rem; margin: 1rem 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; text-align: center; box-shadow: var(--shadow-sm); transition: box-shadow .15s; }
.card:hover { box-shadow: var(--shadow-md); }
.card h3 { margin: 0 0 .45rem 0; font-size: .8em; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.card strong { font-size: 1.45em; color: var(--primary); font-weight: 700; }
body.dark .card strong { color: var(--primary-light); }
canvas { max-width: 100%; margin-bottom: 2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem; box-shadow: var(--shadow-sm); }

/* Mobile */
@media (max-width: 640px) {
    .topo { padding: .75rem .85rem; gap: .5rem; }
    .topo strong, .topo h1 { font-size: 1rem; }
    .filtros { font-size: .9em; padding: .6rem; }
    .bottom-nav a { font-size: .78em; padding: .4rem .25rem; }
    .form-inline { flex-direction: column; }
    .form-inline input { width: 100%; }
    table { font-size: .85em; }
    td { padding: .45rem .3rem; }
    .grupo li { font-size: .92em; }
    .resumo, .resumo-real { padding: .85rem; gap: .75rem; }
}
button, a, input, select { touch-action: manipulation; }
input, select, textarea { font-size: 16px; }

/* Mapa financeiro */
.mapa-scroll { overflow-x: auto; overflow-y: auto; max-height: calc(100vh - 10rem); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.mapa-table { border-collapse: collapse; font-size: .82em; white-space: nowrap; background: var(--card); }
.mapa-table th, .mapa-table td { border: 1px solid var(--border); padding: .35rem .55rem; }
.mapa-table .val { text-align: right; font-variant-numeric: tabular-nums; }
.mapa-mes-header { background: var(--header-gradient); color: #fff; }
.mapa-mes-header th { text-align: center; font-size: 1em; padding: .6rem; font-weight: 700; }
.mapa-desp-header { background: var(--danger); color: #fff; }
.mapa-desp-header th { text-align: center; font-size: 1em; padding: .5rem; font-weight: 700; }
.mapa-col-header th { background: rgba(30,58,138,.06); text-align: center; font-size: .88em; font-weight: 600; color: var(--primary); }
body.dark .mapa-col-header th { background: rgba(96,165,250,.1); color: var(--primary-light); }
.mapa-desp td { background: var(--card); }
.mapa-rec td { background: rgba(22,163,74,.06); }
body.dark .mapa-rec td { background: rgba(22,163,74,.12); }
.mapa-total td { background: rgba(0,0,0,.04); font-weight: 700; }
body.dark .mapa-total td { background: rgba(255,255,255,.06); }
.mapa-sep th { background: var(--ok); color: #fff; text-align: center; padding: .45rem; font-weight: 700; }
.mapa-saldo-ant td { background: rgba(30,58,138,.06); }
.mapa-saldo td { background: rgba(30,58,138,.12); font-weight: 700; color: var(--primary); }
body.dark .mapa-saldo-ant td { background: rgba(96,165,250,.1); }
body.dark .mapa-saldo td { background: rgba(96,165,250,.2); color: var(--primary); }