:root {
    --bg: #0c0f10;            /* grafite quase preto (Mercedes) */
    --panel: #151a1b;
    --panel-2: #1d2426;
    --border: #2a3234;
    --text: #f4f7f7;
    --muted: #93a1a3;
    --accent: #00d2be;        /* PETRONAS teal */
    --green: #00d2be;
    --red: #e10600;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
}

#app {
    display: flex;
    height: 100vh;
}

/* ---------- Sidebar ---------- */
#sidebar {
    width: 300px;
    min-width: 300px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.brand {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

/* carro espelhado (lado direito, de frente para o da esquerda) */
.car-flip { transform: scaleX(-1); }
.brand .logo-img { height: 14px; cursor: pointer; }
.brand h1 { font-size: .82rem; margin: 0; color: var(--accent); text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
.brand .subtitle { margin: 0; font-size: .7rem; color: var(--muted); white-space: nowrap; }

.hint {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
    padding: 10px;
    font-size: .8rem;
    color: var(--muted);
    line-height: 1.4;
}
.hint strong { color: var(--text); }
.dot-legend {
    display: inline-block;
    width: 11px; height: 11px;
    background: var(--accent);
    border-radius: 50%;
    vertical-align: middle;
}

.section {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin: 10px 0 2px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 4px;
}

/* ---------- Palette ---------- */
#palette { display: flex; flex-direction: column; gap: 8px; }

.piece-card {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.piece-card.disabled { opacity: .4; }

.piece-swatch {
    width: 68px; height: 42px;
    border-radius: 4px;
    flex-shrink: 0;
    border: 1px solid #000;
    cursor: grab;
    background: #0b0e0e;
    touch-action: none;
}
.piece-swatch:active { cursor: grabbing; }

/* SVG: peça elevada (ponte) — sobe por cima da de baixo: contorno azul + sombra */
.elevado { filter: drop-shadow(0 0 5px #3b82f6) drop-shadow(0 0 5px #3b82f6) drop-shadow(0 10px 8px rgba(0,0,0,.6)); }
/* peça SIMULADA (excede o estoque real — você ainda não comprou): contorno amarelo */
.simulada { filter: drop-shadow(0 0 5px #fbbf24) drop-shadow(0 0 5px #fbbf24); }
.elevado.simulada { filter: drop-shadow(0 0 4px #fbbf24) drop-shadow(0 0 5px #3b82f6) drop-shadow(0 10px 8px rgba(0,0,0,.6)); }
/* peça selecionada: tinta azul-claro sobre a peça (como o site oficial) */
.piece-sel { filter: url(#selcyan); }
#board.dragging { cursor: grabbing; }
.ghost { opacity: .55; pointer-events: none; }

.piece-info { flex: 1; min-width: 0; }
.piece-name { font-size: .82rem; font-weight: 600; line-height: 1.15; }
.piece-qty { font-size: .72rem; color: var(--muted); }
.piece-qty b { color: var(--green); }
.piece-qty b.zero { color: var(--red); }

.piece-buttons { display: flex; gap: 4px; flex-shrink: 0; }

.btn {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 10px;
    font-size: .82rem;
    cursor: pointer;
    transition: transform .05s, background .12s, opacity .12s;
}
.btn:hover:not(:disabled) { background: #1f3833; }
.btn:active:not(:disabled) { transform: scale(.97); }
.btn:disabled { opacity: .35; cursor: not-allowed; }

.btn-accent { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 700; }
.btn-accent:hover:not(:disabled) { background: #3be3d2; }
.btn-ghost { background: transparent; }
.btn-mini { padding: 5px 9px; font-size: .8rem; }
.btn-piece { padding: 6px 9px; font-weight: 700; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.actions .btn { flex: 1; }
.actions #btn-export { flex-basis: 100%; }

/* ---------- Stage ---------- */
#stage { flex: 1; display: flex; flex-direction: column; min-width: 0; }

#toolbar {
    min-height: 46px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 290px 6px 14px; /* reserva o canto do chip do usuário (fixo no topo direito) */
    flex-wrap: wrap;
}
.track-bar { display: flex; align-items: center; gap: 6px; }
#track-name {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 6px 10px;
    font-size: .82rem;
    width: 190px;
}
#track-name:focus { outline: none; border-color: var(--accent); }

/* modal estreito + lista de pistas */
.modal-narrow { width: min(560px, 94vw); }
.tracks-body { display: block; }
.tracks-actions { margin-bottom: 12px; }
.tracks-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.track-item {
    display: flex; align-items: center; gap: 10px;
    background: var(--panel-2); border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 12px;
}
.track-item.current { border-color: var(--accent); }
.track-item .t-info { flex: 1; min-width: 0; }
.track-item .t-name { font-weight: 600; font-size: .9rem; }
.track-item .t-meta { font-size: .74rem; color: var(--muted); }
.track-item .t-btns { display: flex; gap: 6px; }
.tracks-empty { color: var(--muted); font-size: .85rem; text-align: center; padding: 20px 0; }
#status { font-size: .82rem; color: var(--muted); }
.tools { display: flex; gap: 6px; align-items: center; }
.tools .sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }

#canvas-wrap {
    flex: 1;
    background:
        radial-gradient(circle at 30% 20%, #14201f 0%, #0a0d0d 70%);
    overflow: hidden;
    position: relative;
}

/* painel de ações que aparece em cima da peça selecionada */
.piece-panel {
    position: absolute;
    transform: translate(-50%, -150%);
    display: flex;
    gap: 4px;
    padding: 5px;
    background: rgba(15, 23, 42, .96);
    border: 1px solid var(--accent);
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .5);
    z-index: 20;
}
.piece-panel.hidden { display: none; }
.piece-panel button {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 7px;
    width: 34px; height: 34px;
    font-size: 1.05rem;
    cursor: pointer;
    line-height: 1;
}
.piece-panel button:hover { background: #1f3833; }
.piece-panel button[data-act="del"]:hover { background: var(--red); }

/* badge fixo com tamanho/espaço da pista */
.corner-br {
    position: absolute; right: 12px; bottom: 12px; z-index: 15;
    display: flex; gap: 10px; align-items: center;
}
.corner-br .donate-btn { position: static; }
.track-size {
    background: rgba(15, 23, 42, .92);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: .82rem;
    color: var(--muted);
    z-index: 15;
    pointer-events: none;
}
.track-size b { color: var(--text); }
#board { width: 100%; height: 100%; display: block; cursor: grab; }
#board.panning { cursor: grabbing; }

/* elementos SVG */
.conn-dot { cursor: pointer; }
.conn-dot:hover circle { stroke: #fff; stroke-width: 8; }

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 85; /* acima da home (60) e do login (70) — popups funcionam no index */
}
.modal.hidden { display: none; }
.modal-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: min(1000px, 94vw);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.modal-box header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}
.modal-box header h2 { margin: 0; font-size: 1.1rem; color: var(--accent); }
.modal-body {
    padding: 16px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    overflow: auto;
}
.export-col { display: flex; flex-direction: column; gap: 8px; }
.export-col h3 { margin: 0; font-size: .9rem; }
.export-col img {
    width: 100%;
    background: #0b0e0e;
    border: 1px solid var(--border);
    border-radius: 6px;
}
.export-col pre {
    background: #0b0e0e;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    font-size: .72rem;
    line-height: 1.35;
    white-space: pre-wrap;
    max-height: 260px;
    overflow: auto;
    margin: 0;
    color: var(--muted);
}

@media (max-width: 720px) {
    .modal-body { grid-template-columns: 1fr; }
}

/* ---------- Inventário (view que substitui a pista) ---------- */
.inventory-view { flex: 1; overflow-y: auto; padding: 22px 28px; background: radial-gradient(circle at 30% 20%, #14201f 0%, #0a0d0d 70%); }
.inventory-view.hidden { display: none; }
.inv-head {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    margin-bottom: 22px; padding-bottom: 16px;
    border-bottom: 1px solid var(--border);   /* separador de seção */
}
.inv-head h2 { margin: 0; color: var(--accent); font-size: 1.55rem; letter-spacing: .4px; display: flex; align-items: center; gap: 10px; }
.inv-head h2 svg { width: 26px; height: 26px; }
.inv-head p { margin: 0; color: var(--accent); font-size: .85rem; flex: 1 1 100%; order: 3; line-height: 1.6; }
.inv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(460px, 1fr)); gap: 14px; }
.inv-card {
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px; display: flex; align-items: center; gap: 14px;
}
.inv-card > svg { width: 110px; height: 64px; background: #0b0e0e; border-radius: 6px; border: 1px solid #000; flex-shrink: 0; }
.inv-card .t-info { flex: 1; min-width: 0; }
.inv-card .t-name { font-weight: 600; font-size: .92rem; }
.inv-card .t-meta { font-size: .75rem; color: var(--muted); }
.inv-ctrl { display: flex; align-items: center; gap: 8px; }
.inv-ctrl button { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; padding: 0; }
.inv-num { min-width: 34px; text-align: center; font-size: 1.15rem; font-weight: 700; color: var(--green); }

/* estoque SIMULADO (peças ainda não compradas — só para planejar montagens) */
.inv-ctrls { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.inv-ctrl.inv-sim { border: 1px dashed rgba(0, 210, 190, .4); border-radius: 8px; padding: 3px 8px; }
.inv-ctrl.inv-sim button { width: 28px; height: 28px; opacity: .85; }
.inv-num-sim { color: var(--accent); opacity: .8; font-size: 1rem; }
.sim-tag { font-size: .6rem; letter-spacing: 1.4px; text-transform: uppercase; color: var(--accent); opacity: .7; }
.piece-qty.piece-sim { color: var(--accent); opacity: .8; font-style: italic; }
.piece-qty.piece-sim b { color: var(--accent); }
.piece-qty.piece-sim.hidden { display: none; }
.sim-hint { color: var(--accent); opacity: .75; font-size: .85rem; }

/* cards de pista com miniatura */
.tracks-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.track-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; display: flex; gap: 14px; align-items: center; }
.track-card.current { border-color: var(--accent); }
.track-card .thumb { width: 150px; height: 100px; background: #0b0e0e; border-radius: 6px; border: 1px solid #000; flex-shrink: 0; }
.track-card .thumb svg { width: 100%; height: 100%; }
.track-card .t-info { flex: 1; min-width: 0; }
.track-card .t-btns { display: flex; gap: 8px; align-items: center; }
.track-card .t-btns .btn { font-size: .8rem; padding: 7px 12px; }
.track-card .t-title {
    font-size: 1.15rem; font-weight: 800; color: var(--accent);
    white-space: nowrap; letter-spacing: .4px; margin-bottom: 6px;
}
.track-card .t-line { font-size: .82rem; color: var(--muted); line-height: 1.5; }
.track-card .t-line.t-comp { color: var(--text); }

/* estrela de favorito (favoritas vão pro topo da lista) */
.t-star {
    background: none; border: none; padding: 2px 6px; cursor: pointer;
    font-size: 1.45rem; line-height: 1; color: var(--muted); opacity: .55;
    transition: color .12s, opacity .12s, transform .12s;
    align-self: flex-start;
}
.t-star:hover { opacity: 1; color: var(--accent); transform: scale(1.15); }
.t-star.fav { color: var(--accent); opacity: 1; text-shadow: 0 0 10px rgba(0, 210, 190, .45); }

/* ---------- Doação (PIX) ---------- */
.donate-btn {
    position: fixed; top: 10px; left: 12px; z-index: 55;
    background: var(--panel); color: var(--accent);
    border: 1px solid var(--accent); border-radius: 999px;
    padding: 8px 14px; font-size: .84rem; font-weight: 700; cursor: pointer;
    transition: background .12s, transform .12s;
}
.donate-btn:hover { background: #1f3833; transform: translateY(-1px); }
.donate-btn.hidden { display: none; }
.donate-box { width: min(440px, 94vw); }
.donate-msg { margin: 0; color: var(--text); font-size: .9rem; line-height: 1.5; }
.donate-vals { display: flex; gap: 10px; justify-content: center; }
.donate-vals .dv { flex: 1; font-weight: 700; font-size: .95rem; }
.donate-vals .dv.active { background: var(--accent); color: #000; border-color: var(--accent); }
.donate-outro { display: flex; align-items: center; gap: 6px; justify-content: center; color: var(--muted); font-size: .88rem; }
.donate-outro input {
    width: 90px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); padding: 8px 10px; font-size: .95rem;
}
.donate-outro input:focus { outline: none; border-color: var(--accent); }
.donate-qr { display: flex; justify-content: center; margin-top: 4px; }
.donate-qr svg, .donate-qr img { border-radius: 12px; border: 5px solid #fff; background: #fff; }
#donate-paguei.hidden { display: none; }
.don-ok { color: var(--green); font-weight: 800; }
/* passo 0: escolha da forma de pagamento */
.donate-metodos { display: flex; flex-direction: column; gap: 10px; }
.metodo-btn { text-align: left; padding: 13px 16px; font-size: .95rem; font-weight: 600; border-radius: 10px; }
.metodo-btn:hover:not(:disabled) { border-color: var(--accent); }

/* passos do modal: um por vez (avançar/voltar) */
.donate-step { display: flex; flex-direction: column; gap: 14px; }
.donate-step.hidden { display: none; }
.donate-step .name-actions { margin-top: 4px; justify-content: space-between; }

/* doações no Gerencial (declaradas; admin modera com 🗑) */
.ger-nota { font-size: .72rem; color: var(--muted); font-weight: 400; letter-spacing: 0; }
.ger-donates { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.ger-don { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.ger-don .don-head { display: flex; align-items: center; gap: 12px; }
.ger-don .don-pos { color: var(--accent); font-weight: 800; min-width: 26px; }
.ger-don b { color: var(--text); }
.ger-don .don-total { color: var(--green); font-weight: 800; }
.ger-don .don-meta { color: var(--muted); font-size: .78rem; margin-left: auto; }
.don-itens { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.don-item {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px;
    padding: 4px 10px; font-size: .78rem; color: var(--muted);
}
.don-item .don-del {
    background: none; border: none; cursor: pointer;
    color: var(--muted); font-size: .8rem; font-weight: 700; line-height: 1; padding: 0 2px;
}
.don-item .don-del:hover { color: var(--red); }
.donate-hint { margin: 0; text-align: center; color: var(--muted); font-size: .78rem; }
.donate-copia { display: flex; gap: 8px; }
.donate-copia input {
    flex: 1; min-width: 0; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--muted); padding: 8px 10px; font-family: monospace; font-size: .68rem;
}

/* ---------- Gerencial (admin) ---------- */
.admin-only.hidden { display: none !important; }
.ger-label { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .85rem; }
.ger-select {
    background: var(--panel-2); color: var(--text);
    border: 1px solid var(--accent); border-radius: 8px;
    padding: 9px 12px; font-size: .92rem; min-width: 260px; cursor: pointer;
}
.ger-select:focus { outline: none; box-shadow: 0 0 0 2px rgba(0, 210, 190, .25); }
.ger-perfil { display: flex; align-items: center; gap: 12px; margin: 4px 0 18px; color: var(--muted); font-size: .88rem; }
.ger-perfil img { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--accent); }
.ger-perfil b { color: var(--text); }
.ger-sec { color: var(--accent); font-size: 1.1rem; margin: 22px 0 12px; }
.ger-qtd { margin-left: auto; text-align: right; }
.ger-qtd b { font-size: 1.15rem; color: var(--green); }
.ger-qtd .sim-b { color: var(--accent); opacity: .8; }

/* ---------- Login (Google SSO) ---------- */
#login-view {
    position: fixed; inset: 0; z-index: 70;
    display: flex; align-items: center; justify-content: center;
    background:
        linear-gradient(rgba(10,13,13,.55), rgba(10,13,13,.93)),
        radial-gradient(circle at 50% 28%, #103733 0%, #0a0d0d 72%);
}
#login-view.hidden { display: none; }
#login-view h1 { margin: 8px 0 4px; color: #fff; font-size: clamp(1.8rem, 4.5vw, 2.8rem); letter-spacing: 7px; font-weight: 800; }
.g-btn { display: flex; justify-content: center; margin-top: 28px; min-height: 44px; }
.login-err { margin-top: 16px; color: var(--red); font-size: .88rem; }
.login-desc {
    display: block; max-width: 620px; margin: 30px auto 0; padding: 0 18px;
    color: var(--muted); font-size: .9rem; line-height: 1.65; text-align: center;
}
.login-desc b { color: var(--accent); }
.login-err.hidden { display: none; }

/* chip do usuário logado (todas as telas) */
#user-chip {
    position: fixed; top: 10px; right: 12px; z-index: 75;
    display: flex; align-items: center; gap: 8px;
    background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
    padding: 4px 6px 4px 4px; font-size: .8rem; color: var(--muted);
}
#user-chip.hidden { display: none; }
#user-chip img { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--accent); }
#user-chip span { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: .58rem; letter-spacing: 1.2px; color: #000; background: var(--accent); border-radius: 4px; padding: 2px 5px; font-weight: 800; }
.user-role.hidden { display: none; }

/* ---------- Página inicial ---------- */
#home-view {
    position: fixed; inset: 0; z-index: 60;
    display: flex; align-items: center; justify-content: center;
    background:
        linear-gradient(rgba(10,13,13,.55), rgba(10,13,13,.93)),
        repeating-linear-gradient(0deg, transparent 0 48px, rgba(148,163,184,.05) 48px 49px),
        repeating-linear-gradient(90deg, transparent 0 48px, rgba(148,163,184,.05) 48px 49px),
        radial-gradient(circle at 50% 28%, #103733 0%, #0a0d0d 72%);
}
#home-view.hidden { display: none; }
.home-inner { text-align: center; padding: 24px; animation: home-in .5s ease; }
@keyframes home-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.home-brand { display: flex; align-items: center; justify-content: center; }
.home-hero { display: block; width: min(460px, 42vw); margin: 0 auto 6px; filter: drop-shadow(0 16px 26px rgba(0,0,0,.5)); }
.home-inner h1 {
    margin: 8px 0 4px; color: #fff;
    font-size: clamp(1.8rem, 4.5vw, 2.8rem); letter-spacing: 7px; font-weight: 800;
}
.home-sub { margin: 0; color: var(--accent); font-size: .92rem; letter-spacing: 2px; text-transform: uppercase; }
.home-menu { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.home-btn {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    width: 170px; padding: 22px 12px;
    background: rgba(29, 36, 38, .85); color: var(--text);
    border: 1px solid var(--border); border-radius: 14px;
    font-size: .95rem; font-weight: 600; cursor: pointer;
    transition: transform .12s, border-color .12s, background .12s;
}
.home-btn:hover { transform: translateY(-4px); border-color: var(--accent); background: rgba(31, 56, 51, .95); }
.home-btn .hb-ico { font-size: 1.6rem; line-height: 1; color: var(--accent); }

#save-group { display: inline-flex; gap: 6px; align-items: center; }
#save-group.hidden { display: none; }

/* emblema no topo das views (clica = início) */
.view-brand { display: flex; align-items: center; justify-content: center; text-align: center; gap: 18px; cursor: pointer; margin-bottom: 22px; }
.view-brand img { height: 72px; }
.view-brand h1 { margin: 0; font-size: 1.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 1.5px; }
.view-brand p { margin: 0; font-size: .9rem; color: var(--muted); }

.inv-ctrl button { color: var(--accent); }
.inv-ctrl button svg { width: 18px; height: 18px; display: block; }
.plus-ico { color: var(--accent); font-weight: 800; }

/* menu do sidebar (no lugar do texto de ajuda) */
.side-menu { display: flex; gap: 8px; align-items: stretch; }
.side-menu .btn { flex: 1; }
.help-btn { flex: 0 0 34px !important; border-radius: 50%; font-weight: 800; color: var(--accent); cursor: help; }

/* pilha de ações no header das views */
.head-actions { display: flex; flex-direction: column; gap: 8px; align-items: stretch; }

/* toast central EMBAIXO (em cima ele cobria o logo/header) */
.toast {
    position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
    z-index: 90; max-width: min(520px, 90vw);
    background: var(--panel); color: var(--text);
    border: 1px solid var(--border); border-left: 4px solid var(--red);
    border-radius: 10px; padding: 12px 18px; font-size: .9rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.55);
    animation: toast-in .18s ease;
}
.toast.ok { border-left-color: var(--accent); }
.toast.hidden { display: none; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* bandeiras de idioma (só nas telas com logo central) */
.lang-flags { display: flex; gap: 10px; justify-content: center; margin: 14px 0 4px; }
.lang-flags button {
    background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
    padding: 4px 6px; cursor: pointer; line-height: 0;
    transition: border-color .12s, transform .12s, opacity .12s; opacity: .65;
}
.lang-flags button svg { width: 26px; height: 17px; border-radius: 2px; display: block; }
.lang-flags button:hover { opacity: 1; transform: translateY(-1px); }
.lang-flags button.active { opacity: 1; border-color: var(--accent); box-shadow: 0 0 6px rgba(0, 210, 190, .35); }

/* modal de nome (clonar/renomear) */
.name-box { width: min(420px, 92vw); }
.name-box header { display: flex; align-items: center; justify-content: flex-start; gap: 10px; }
.name-box header h2 { font-size: 1rem; color: var(--text); }
.name-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 14px; }
.name-body input {
    background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); padding: 10px 12px; font-size: .95rem;
}
.name-body input:focus { outline: none; border-color: var(--accent); }
.name-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* modal de confirmação (substitui o confirm() nativo) */
.confirm-msg { margin: 0; color: var(--text); font-size: .95rem; line-height: 1.5; }

.inv-head .head-actions, .inv-head > button { margin-left: auto; }

/* rodapé de contato (telas com logo central) */
.site-footer { margin-top: 36px; text-align: center; color: var(--muted); font-size: .8rem; }
.site-footer a { color: var(--accent); text-decoration: none; font-weight: 600; }
.site-footer a:hover { text-decoration: underline; }
#home-view .site-footer, #login-view .site-footer { margin-top: 44px; }

/* formulário de contato */
.contact-ta {
    width: 100%; resize: vertical; min-height: 110px;
    background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
    color: var(--text); padding: 10px 12px; font-size: .92rem; font-family: inherit;
}
.contact-ta:focus { outline: none; border-color: var(--accent); }
.ger-msg-txt { margin: 8px 0 0; color: var(--text); font-size: .88rem; white-space: pre-wrap; }

.donate-copia.hidden { display: none; }

#btn-pecas, #btn-sair-editor { display: none; } /* só existem no mobile */
.so-mobile { display: none !important; } /* elementos exclusivos do mobile */

/* VER PISTA (overlay somente-leitura p/ montar a pista real) */
.ver-pista { position: fixed; inset: 0; z-index: 78; background: radial-gradient(circle at 30% 20%, #14201f 0%, #0a0d0d 70%); display: flex; flex-direction: column; }
.ver-pista.hidden { display: none; }
.vp-top { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: var(--panel); border-bottom: 1px solid var(--border); }
.vp-top b { color: var(--accent); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vp-comp { color: var(--muted); font-size: .8rem; }
.vp-fechar { font-size: 1.05rem; font-weight: 800; padding: 8px 16px; line-height: 1; }
.vp-body { flex: 1; overflow: hidden; touch-action: none; }
.vp-body svg { width: 100%; height: 100%; display: block; }

/* ================= MOBILE (≤ 760px) — zero impacto no desktop ================= */
@media (max-width: 760px) {
    /* rolagem NATURAL da página (iOS trava scroll interno de painéis) */
    html, body { overflow-y: auto; height: auto; min-height: 100%; }
    #app { height: auto; min-height: 100dvh; }
    #stage { min-height: 0; }
    .inventory-view { overflow: visible; flex: none; }
    /* home e login roláveis quando o conteúdo passa da tela */
    #home-view, #login-view { overflow-y: auto; }
    .home-inner { padding-bottom: 40px; }
    /* editor: MESA quase inteira; peças viram gaveta (FAB 🧩 Peças) */
    #btn-sair-editor { display: inline-block; }
    .so-mobile { display: inline-flex !important; }
    #btn-pecas { display: inline-block; }
    /* doação SEMPRE visível: fixa embaixo à esquerda, mesmo dentro do editor */
    .corner-br .donate-btn { position: fixed; left: 10px; bottom: 12px; z-index: 55; }
    #canvas-wrap { flex: none; height: 72dvh; }
    /* chip do usuário: compacto (avatar + sair), sem cobrir títulos */
    #user-chip { top: 6px; right: 8px; padding: 3px 5px 3px 3px; gap: 5px; }
    #user-chip #user-name { display: none; }
    #user-chip .user-role { display: none; }

    /* botão de doação vai para o rodapé esquerdo (em cima cobria o header) */
    .donate-btn { top: auto; left: 10px; bottom: 10px; font-size: .78rem; padding: 7px 11px; }

    /* views: respiro no topo p/ o chip + padding enxuto */
    .inventory-view { padding: 52px 12px 20px; }

    /* logo central: carros laterais saem, W11 de frente entra no topo */
    .view-brand { gap: 2px; margin-bottom: 14px; flex-direction: column; }
    .view-brand img { display: none; }
    .view-brand::before {
        content: ''; display: block; width: 210px; height: 113px;
        background: url('/mercedes-front.png') center / contain no-repeat;
    }
    .view-brand h1 { font-size: 1.15rem; }
    .view-brand p { font-size: .78rem; }

    /* cabeçalho das seções: título + botões em coluna de largura cheia */
    .inv-head { gap: 10px; }
    .inv-head h2 { font-size: 1.15rem; }
    .inv-head .head-actions { width: 100%; margin-left: 0; flex-direction: row; flex-wrap: wrap; }
    .inv-head .head-actions .btn { flex: 1 1 45%; }
    .ger-label { width: 100%; }
    .ger-select { min-width: 0; flex: 1; }

    /* grades: UMA coluna no celular */
    .inv-grid { grid-template-columns: 1fr; gap: 10px; }
    .tracks-grid { grid-template-columns: 1fr; }

    /* card de peça (inventário): conteúdo quebra sem cortar contadores */
    .inv-card { flex-wrap: wrap; gap: 8px; }
    .inv-card > svg { width: 84px; height: 50px; }
    .inv-card .t-info { flex: 1 1 55%; }
    .inv-card .t-name { font-size: .82rem; }
    .inv-card .t-meta { font-size: .68rem; }
    .inv-ctrls { margin-left: auto; }
    .inv-ctrl button { width: 30px; height: 30px; }
    .inv-num { min-width: 26px; font-size: 1rem; }

    /* card de pista: miniatura em cima, botões embaixo sem estourar */
    .track-card { flex-wrap: wrap; gap: 10px; }
    .track-card .thumb { width: 100%; height: 130px; }
    .track-card .t-info { flex: 1 1 60%; }
    .track-card .t-title { white-space: normal; font-size: 1rem; }
    .track-card .t-btns { width: 100%; flex-wrap: wrap; }
    .track-card .t-btns .btn { flex: 1; padding: 8px 6px; }

    /* home: hero e menu confortáveis */
    .home-hero { width: min(300px, 78vw); }
    .home-inner h1 { letter-spacing: 4px; }
    .home-menu { gap: 10px; }
    .home-btn { width: 44%; padding: 16px 8px; font-size: .85rem; }

    /* gerencial: chips de doação e mensagens quebram */
    .ger-don .don-head { flex-wrap: wrap; }
    .ger-don .don-meta { margin-left: 0; width: 100%; }
    .ger-perfil { flex-wrap: wrap; }

    /* editor: sidebar escondido; abre como GAVETA por cima da mesa */
    #app { flex-direction: column; }
    #sidebar { display: none; }
    #sidebar.aberto {
        display: flex; position: fixed; left: 0; right: 0; bottom: 0; top: auto;
        width: 100%; min-width: 0; max-height: 74dvh; z-index: 60;
        border-right: none; border-top: 2px solid var(--accent);
        border-radius: 14px 14px 0 0; box-shadow: 0 -12px 34px rgba(0, 0, 0, .65);
        overflow-y: auto;
    }
    #toolbar { padding: 6px 96px 6px 10px; } /* reserva o chip compacto */
    .track-bar { flex-wrap: wrap; }
    #track-name { width: 130px; }
    .corner-br { flex-wrap: wrap; justify-content: flex-end; max-width: 70vw; }

    /* modais confortáveis na tela toda */
    .modal-box { max-height: 92vh; overflow-y: auto; }
    .donate-qr svg, .donate-qr img { width: 190px !important; height: auto; }
}