:root {
    --bg: #F4F6F8;
    --surface: #FFFFFF;
    --primary: #0066CC;
    --primary-dark: #1E3A8A;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --text: #111827;
    --text-soft: #6B7280;
    --border: #E5E7EB;
}

* { box-sizing: border-box; }

/* Qualquer "display" declarado numa classe vence o "display: none" que o
   navegador aplica ao atributo [hidden]. Sem esta regra, esconder um elemento
   por JS (`el.hidden = true`) simplesmente não funciona nos que têm display
   próprio: a tela de login continuava visível depois de autenticar, com o painel
   desenhado logo abaixo — e parecia que o login não tinha funcionado.
   Regra global de propósito, para não depender de lembrar caso a caso. */
[hidden] { display: none !important; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Login ---------- */

.login-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    background: var(--surface);
    padding: 32px;
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(17, 24, 39, .08);
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.brand h1 { font-size: 20px; margin: 0; }
.brand p { margin: 2px 0 0; font-size: 13px; color: var(--text-soft); }

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    font-weight: 700;
    display: grid;
    place-items: center;
    flex: none;
}

.brand.small .brand-mark { width: 30px; height: 30px; border-radius: 8px; font-size: 14px; }

label {
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
}

input[type="email"], input[type="password"], select {
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: var(--surface);
}

input:focus, select:focus {
    outline: 2px solid var(--primary);
    outline-offset: -1px;
    border-color: var(--primary);
}

button {
    font-family: inherit;
    cursor: pointer;
}

#login-btn {
    margin-top: 22px;
    padding: 13px;
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
}

#login-btn:disabled { opacity: .6; cursor: progress; }

.error {
    color: var(--danger);
    font-size: 13px;
    margin: 12px 0 0;
}

/* ---------- App ---------- */

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 500;
}

.tabs { display: flex; gap: 4px; flex: 1; }

.tab {
    background: none;
    border: 0;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-soft);
}

.tab:hover { background: var(--bg); }

.tab.active {
    background: #E8F1FC;
    color: var(--primary);
    font-weight: 600;
}

.link {
    background: none;
    border: 0;
    color: var(--text-soft);
    font-size: 14px;
}

.link:hover { color: var(--danger); }

.tab-panel {
    display: grid;
    grid-template-columns: 340px 1fr;
    height: calc(100vh - 53px);
}

/* Coberto pela regra global [hidden] no topo do arquivo; mantido explícito porque
   sem ele as três abas ficam empilhadas, cada uma vazando por cima da outra. */
.tab-panel[hidden] { display: none; }

.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar h2 { font-size: 15px; margin: 0 0 4px; }

.hint { font-size: 12px; color: var(--text-soft); line-height: 1.5; margin: 6px 0 14px; }

.content { position: relative; display: flex; flex-direction: column; }

.map { flex: 1; width: 100%; background: var(--bg); }

.map-error {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 24px;
    text-align: center;
    color: var(--text-soft);
    font-size: 14px;
}

.empty-state {
    padding: 14px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 14px;
}

.empty-state p { margin: 0; }

/* ---------- Lista de coletas ---------- */

.session-list, .cluster-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.session-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}

.session-item:hover { border-color: var(--primary); background: #FAFCFF; }

.session-item.active {
    border-color: var(--primary);
    background: #E8F1FC;
}

.session-item .line { font-weight: 700; font-size: 14px; }
.session-item .when { font-size: 12px; color: var(--text-soft); margin-top: 2px; }

.session-item .metrics {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-soft);
}

.badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge.open { background: #FEF3C7; color: #92400E; }
.badge.done { background: #D1FAE5; color: #065F46; }
.badge.empty { background: #FEE2E2; color: #991B1B; }

/* ---------- Detalhe da sessão ---------- */

.detail-bar {
    padding: 12px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 26px;
    flex-wrap: wrap;
    align-items: center;
}

.detail-bar .metric .label { font-size: 11px; color: var(--text-soft); }
.detail-bar .metric .value { font-size: 17px; font-weight: 700; }

/* ---------- Análise ---------- */

.radius-row { display: flex; align-items: center; gap: 10px; }
.radius-row input { flex: 1; }

#radius-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    min-width: 52px;
    text-align: right;
}

.stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.stat {
    background: var(--bg);
    border-radius: 8px;
    padding: 10px;
}

.stat .value { font-size: 19px; font-weight: 700; }
.stat .label { font-size: 11px; color: var(--text-soft); line-height: 1.3; }

.stat.highlight { background: #E8F1FC; }
.stat.highlight .value { color: var(--primary); }

.cluster-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    display: flex;
    gap: 10px;
    align-items: center;
}

.cluster-item:hover { border-color: var(--primary); background: #FAFCFF; }

.cluster-rank {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: grid;
    place-items: center;
    flex: none;
}

.cluster-rank.single { background: var(--text-soft); }

.cluster-item .info { font-size: 12px; color: var(--text-soft); }
.cluster-item .info strong { color: var(--text); font-size: 13px; }

/* ---------- Rede (todas as linhas) ---------- */

.network-legend { margin-bottom: 18px; }
.network-section { margin-top: 6px; }

.line-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
}

.line-row:hover { background: var(--bg); }
.line-row.off { opacity: .4; }

.line-swatch {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    flex: none;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px rgba(0,0,0,.15);
}

.line-row .name { font-size: 13px; font-weight: 600; flex: 1; }

.line-row .load {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    flex: none;
}

/* A cor da lotação é o ponto da tela: vermelho = candidata a aliviar,
   azul = candidata a receber. */
.load.high { background: #FEE2E2; color: #991B1B; }
.load.mid { background: #FEF3C7; color: #92400E; }
.load.low { background: #DBEAFE; color: #1E40AF; }
.load.none { background: var(--bg); color: var(--text-soft); }

.overlap-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
}

.overlap-item:hover { border-color: var(--warning); background: #FFFBEB; }

.overlap-item .title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 4px;
}

.overlap-lines {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 6px;
}

.overlap-chip {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    color: #fff;
}

.overlap-marker {
    border: 3px solid #fff;
    border-radius: 50%;
    background: var(--warning);
    color: #fff;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* ---------- Proposta de paradas (Improve) ---------- */

.propose-box {
    background: #F0FBF6;
    border: 1px solid #A7E8CD;
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 16px;
}

.propose-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.toggle-btn {
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--success);
    background: var(--surface);
    color: var(--success);
    font-size: 12px;
    font-weight: 700;
}

.toggle-btn.on {
    background: var(--success);
    color: #fff;
}

.propose-box .hint { margin: 0 0 10px; }

.coverage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-bottom: 10px;
}

.cov {
    background: var(--surface);
    border-radius: 8px;
    padding: 8px 10px;
}

.cov .value { font-size: 17px; font-weight: 700; }
.cov .label { font-size: 10px; color: var(--text-soft); line-height: 1.3; }
.cov.good .value { color: var(--success); }
.cov.warn .value { color: var(--warning); }

.proposal-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.proposal-item {
    background: var(--surface);
    border: 1px solid #A7E8CD;
    border-radius: 8px;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
}

.proposal-item:hover { border-color: var(--success); }

.proposal-rank {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--success);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: grid;
    place-items: center;
    flex: none;
}

.proposal-item .info { flex: 1; font-size: 11px; color: var(--text-soft); }
.proposal-item .info strong { display: block; color: var(--text); font-size: 12px; }

.proposal-remove {
    border: 0;
    background: none;
    color: var(--text-soft);
    font-size: 17px;
    line-height: 1;
    padding: 0 4px;
}

.proposal-remove:hover { color: var(--danger); }

.propose-actions { margin-top: 10px; }

.btn-ghost-sm {
    width: 100%;
    margin-top: 6px;
    padding: 6px;
    border: 0;
    background: none;
    color: var(--text-soft);
    font-size: 11px;
}

.btn-ghost-sm:hover { color: var(--danger); }

/* Marcador da parada proposta */
.proposal-marker {
    border: 3px solid #fff;
    border-radius: 50%;
    background: var(--success);
    color: #fff;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* O mapa em modo de proposta: cursor de mira para indicar que o clique marca */
.map.proposing { cursor: crosshair; }

/* ---------- Exportação ---------- */

.export-box {
    background: var(--bg);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 16px;
}

.export-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-soft);
    margin-bottom: 8px;
}

.export-buttons { display: flex; gap: 6px; }

.export-buttons button {
    flex: 1;
    padding: 8px 0;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--surface);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-soft);
    transition: border-color .15s, color .15s;
}

.export-buttons button:hover { border-color: var(--primary); color: var(--primary); }
.export-buttons button:disabled { opacity: .55; cursor: progress; }

.export-extra {
    display: flex;
    gap: 12px;
    margin-top: 9px;
}

.export-extra a {
    font-size: 11px;
    color: var(--text-soft);
    text-decoration: none;
    border-bottom: 1px dotted var(--border);
}

.export-extra a:hover { color: var(--primary); border-bottom-color: var(--primary); }

/* Coletas que alimentaram um agrupamento (ponte entre as duas abas) */
.cluster-sessions {
    margin-top: 7px;
    padding-top: 7px;
    border-top: 1px dashed var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.session-chip {
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 20px;
    background: var(--bg);
    color: var(--text-soft);
    border: 1px solid var(--border);
    cursor: pointer;
}

.session-chip:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Linhas ---------- */

.routes-panel .content { overflow-y: auto; }

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.content-header h2 { font-size: 15px; margin: 0; }

.checkbox {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--text-soft);
    cursor: pointer;
    margin: 0;
    font-weight: 400;
}

.checkbox input { margin: 0; cursor: pointer; }

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.btn-primary {
    flex: 1;
    padding: 12px;
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: background .15s;
}

.btn-primary:hover { background: #0058b0; }
.btn-primary:disabled { opacity: .6; cursor: progress; }

.btn-ghost {
    padding: 12px 16px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-soft);
}

.btn-ghost:hover { border-color: var(--text-soft); }

.route-list {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.route-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.route-card.inactive { opacity: .62; }

.route-card.editing {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, .12);
}

.route-number {
    min-width: 62px;
    height: 46px;
    padding: 0 10px;
    border-radius: 10px;
    background: #E8F1FC;
    color: var(--primary);
    font-size: 17px;
    font-weight: 700;
    display: grid;
    place-items: center;
    flex: none;
}

.route-card.inactive .route-number { background: var(--bg); color: var(--text-soft); }

.route-info { flex: 1; min-width: 0; }
.route-info .desc { font-size: 14px; font-weight: 600; }
.route-info .desc.empty { color: var(--text-soft); font-weight: 400; font-style: italic; }
.route-info .meta { font-size: 12px; color: var(--text-soft); margin-top: 3px; }

.route-actions { display: flex; gap: 6px; flex: none; }

.route-actions button {
    padding: 7px 12px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 13px;
    color: var(--text-soft);
}

.route-actions button:hover { border-color: var(--primary); color: var(--primary); }
.route-actions button.danger:hover { border-color: var(--danger); color: var(--danger); }

.empty-list {
    padding: 30px 20px;
    text-align: center;
    color: var(--text-soft);
    font-size: 14px;
}

/* Marcadores do mapa */
.stop-marker {
    background: var(--success);
    border: 2px solid #fff;
    border-radius: 50%;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.cluster-marker {
    border: 3px solid #fff;
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0,0,0,.35);
}

@media (max-width: 900px) {
    .tab-panel { grid-template-columns: 1fr; height: auto; }
    .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
    .map { height: 60vh; }
}