:root {
    --bg-page:#0a0a0a;
    --bg-card:#111111;
    --bg-card-alt:#1a1a1a;
    --border-soft:1px solid rgba(255,255,255,0.07);

    --txt:#ffffff;
    --txt-dim:#9ca3af;
    --txt-mid:#6b7280;

    --buy:#00d17a;
    --sell:#ff4d4d;
    --accent:#00d9ff;

    --r:10px;
    --r-lg:14px;

    --font:'Inter',system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{
    box-sizing:border-box;
    margin:0;
    padding:0;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}

body{
    background:var(--bg-page);
    color:var(--txt);
    font-family:var(--font);
    font-size:16px;
    line-height:1.4;
}

/* HEADER */

.site-header{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    flex-wrap:wrap;
    gap:12px;
    padding:12px 20px;
    background:#0f0f0f;
    border-bottom:var(--border-soft);
}

.brand{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
}
.brand-logo{
    background:radial-gradient(circle at 30% 30%,#00d9ff 0%,#003b46 60%);
    color:#fff;
    font-size:.8rem;
    font-weight:600;
    line-height:1;
    padding:10px 11px;
    border-radius:8px;
    border:1px solid rgba(255,255,255,.18);
    box-shadow:0 10px 30px rgba(0,217,255,.4);
}
.brand-texts{
    display:flex;
    flex-direction:column;
    line-height:1.2;
}
.brand-texts strong{
    font-size:.8rem;
    font-weight:600;
    letter-spacing:-0.03em;
    color:#fff;
}
.brand-texts small{
    font-size:.7rem;
    color:var(--txt-dim);
    letter-spacing:-0.03em;
}

.header-right{
    display:flex;
    flex-wrap:wrap;
    gap:16px;
}
.header-right a{
    color:#fff;
    font-size:.8rem;
    font-weight:500;
    text-decoration:none;
}
.header-right a.cta{
    background:linear-gradient(90deg,#00d9ff 0%,#007a8c 100%);
    color:#000;
    padding:6px 10px;
    border-radius:8px;
    font-weight:600;
    text-shadow:0 0 8px rgba(0,0,0,.8);
}
.header-right a.sair{
    color:#ff7373;
}

/* PAGE WRAPPER */

.page-wrapper{
    max-width:1300px;
    margin:24px auto 40px;
    padding:0 20px;
    display:flex;
    flex-direction:column;
    gap:24px;
}

.card{
    background:var(--bg-card);
    border:var(--border-soft);
    border-radius:var(--r-lg);
    padding:16px;
    box-shadow:0 20px 60px rgba(0,0,0,.8);
    color:var(--txt);
    font-size:.8rem;
}

/* TOP ROW */

.top-row{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
@media(min-width:900px){
    .top-row{
        grid-template-columns:4fr 1fr;
        align-items:start;
    }
}

.graf-header{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-start;
    justify-content:space-between;
    font-size:.8rem;
    margin-bottom:12px;
    gap:12px;
}
.graf-header-left{
    display:flex;
    flex-direction:column;
    gap:4px;
    min-width:140px;
}
.par-nome{
    font-weight:600;
    font-size:.8rem;
    letter-spacing:-0.03em;
    color:#fff;
    line-height:1.2;
}
.preco-atual{
    color:var(--txt-dim);
    font-size:.75rem;
    line-height:1.2;
}
.preco-atual-valor{
    color:var(--accent);
    font-weight:600;
    text-shadow:0 0 15px rgba(0,217,255,.5);
}

/* seletor timeframe */
.graf-time-selector{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
}
.graf-time-selector button{
    background:#1a1a1a;
    border:1px solid rgba(255,255,255,.1);
    border-radius:6px;
    color:#9ca3af;
    font-size:.7rem;
    padding:4px 8px;
    cursor:pointer;
    line-height:1.2;
    transition:all .15s;
    flex-shrink:0;
}
.graf-time-selector button:hover{
    color:#fff;
    border-color:var(--accent);
}
.graf-time-selector button.active{
    background:var(--accent);
    color:#000;
    font-weight:600;
    text-shadow:0 0 6px rgba(0,0,0,.5);
}

.graf-area-big{
    background:#0f0f0f;
    border:var(--border-soft);
    border-radius:var(--r);
    padding:12px;
    min-height:240px;
    overflow:hidden;
}

/* minhas ordens (direita topo) */

.top-right-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    flex-wrap:wrap;
    font-size:.75rem;
    margin-bottom:8px;
}
.top-right-head .ttl{
    font-weight:600;
    color:#fff;
    letter-spacing:-0.03em;
    font-size:.8rem;
    line-height:1.2;
}
.login-hint{
    color:var(--accent);
    text-decoration:none;
    font-size:.7rem;
}

/* compactar minhas ordens */
.minhas-ordens-list{
    background:var(--bg-card-alt);
    border:var(--border-soft);
    border-radius:var(--r);
    max-height:140px;
    overflow-y:auto;
    font-size:.68rem;
    line-height:1.2;
    margin-bottom:12px;
}
.minhas-ordens-header,
.minhas-ordens-row{
    display:grid;
    grid-template-columns:.8fr .8fr .8fr .8fr auto;
    gap:4px;
    padding:4px 8px;
    border-bottom:1px solid rgba(255,255,255,.05);
    align-items:center;
    min-height:20px;
}
.minhas-ordens-header{
    font-weight:600;
    background:rgba(255,255,255,.02);
    color:var(--txt-dim);
    font-size:.66rem;
    line-height:1.2;
}
.minhas-ordens-row{
    border-bottom:1px solid rgba(255,255,255,.03);
    font-size:.68rem;
}
.minhas-ordens-row:last-child{
    border-bottom:none;
}
.badge-buy{
    color:var(--buy);
    font-weight:600;
    letter-spacing:-0.03em;
    font-size:.66rem;
    line-height:1.2;
}
.badge-sell{
    color:var(--sell);
    font-weight:600;
    letter-spacing:-0.03em;
    font-size:.66rem;
    line-height:1.2;
}
.cancelar-btn{
    background:#2a2a2a;
    border:1px solid rgba(255,255,255,.12);
    border-radius:6px;
    padding:2px 4px;
    font-size:.6rem;
    color:#fff;
    text-decoration:none;
    line-height:1.1;
}
.cancelar-btn:hover{
    background:#3a3a3a;
    border-color:rgba(255,255,255,.3);
    color:var(--sell);
}

.fundos-box{
    background:var(--bg-card-alt);
    border:var(--border-soft);
    border-radius:var(--r);
    padding:10px;
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:.7rem;
}
.fundos-linha{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:6px;
}
.fundos-label{
    color:var(--txt-dim);
    font-size:.7rem;
    line-height:1.2;
}
.fundos-valor{
    color:var(--accent);
    font-weight:600;
    text-shadow:0 0 8px rgba(0,217,255,.4);
    letter-spacing:-0.03em;
    font-size:.7rem;
    line-height:1.2;
}

/* NEGOCIAÇÃO ROW (meio) */

.negociacao-row{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
    width:100%;
}
@media(min-width:900px){
    .negociacao-row{
        grid-template-columns:0.4fr 1fr;
        align-items:start;
    }
}

/* livro de ofertas */
.orderbook-card{
    background:var(--bg-card);
    border:var(--border-soft);
    border-radius:var(--r-lg);
    padding:16px;
    display:flex;
    flex-direction:column;
    gap:12px;
    max-height:400px;
    overflow-y:auto;
    font-size:.75rem;
}
.orderbook-card h3{
    font-size:.8rem;
    font-weight:600;
    color:#fff;
    letter-spacing:-0.03em;
    margin-bottom:4px;
    line-height:1.2;
}
.book-block{
    background:var(--bg-card-alt);
    border:var(--border-soft);
    border-radius:var(--r);
    padding:10px;
    display:flex;
    flex-direction:column;
    gap:8px;
}
.book-head{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:6px;
    font-size:.7rem;
    margin-bottom:2px;
    line-height:1.2;
}
.book-titulo{
    color:#fff;
    font-weight:600;
    letter-spacing:-0.03em;
    font-size:.7rem;
    line-height:1.2;
}
.book-titulo span{
    color:var(--accent);
    font-weight:600;
}
.book-hint{
    color:var(--txt-dim);
    font-size:.7rem;
    line-height:1.2;
}

.book-lines{
    background:transparent;
    max-height:140px;
    overflow-y:auto;
    border-top:1px solid rgba(255,255,255,.07);
    border-bottom:1px solid rgba(255,255,255,.07);
}
.book-line{
    display:flex;
    justify-content:space-between;
    padding:6px 0;
    border-bottom:1px solid rgba(255,255,255,.03);
    cursor:pointer;
    line-height:1.2;
    font-size:.75rem;
}
.book-line:last-child{
    border-bottom:none;
}
.book-line:hover{
    background-color:rgba(255,255,255,.05);
}
.book-price-sell{
    color:var(--sell);
    min-width:70px;
    font-weight:600;
    font-family:monospace;
    letter-spacing:-0.03em;
    font-size:.75rem;
    line-height:1.2;
}
.book-price-buy{
    color:var(--buy);
    min-width:70px;
    font-weight:600;
    font-family:monospace;
    letter-spacing:-0.03em;
    font-size:.75rem;
    line-height:1.2;
}
.book-qty{
    text-align:right;
    flex:1;
    color:var(--txt);
    font-size:.75rem;
    line-height:1.2;
    font-family:monospace;
    letter-spacing:-0.03em;
    margin-left:8px;
}

.book-last{
    text-align:center;
    background:#0f0f0f;
    border:var(--border-soft);
    border-radius:var(--r);
    padding:10px;
}
.last-label{
    color:var(--txt-dim);
    font-size:.7rem;
    margin-bottom:4px;
    line-height:1.2;
}
.last-price{
    color:var(--accent);
    font-weight:600;
    font-size:.8rem;
    text-shadow:0 0 10px rgba(0,217,255,.5);
    letter-spacing:-0.03em;
    line-height:1.2;
}

/* cards compra / venda */
.cards-container{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
}
@media(min-width:600px){
    .cards-container{
        grid-template-columns:1fr 1fr;
    }
}

.trade-card{
    background:var(--bg-card);
    border:var(--border-soft);
    border-radius:var(--r-lg);
    box-shadow:0 20px 60px rgba(0,0,0,.8);
    padding:16px;
    display:flex;
    flex-direction:column;
    gap:12px;
    font-size:.8rem;
}
.trade-head{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px;
    font-size:.8rem;
    font-weight:600;
    color:#fff;
    letter-spacing:-0.03em;
    line-height:1.2;
}
.side-title.green{
    color:var(--buy);
}
.side-title.red{
    color:var(--sell);
}
.sideinfo{
    color:var(--txt-dim);
    font-size:.7rem;
    line-height:1.2;
}
.saldo-click{
    color:var(--accent);
    font-weight:600;
    cursor:pointer;
    text-shadow:0 0 8px rgba(0,217,255,.4);
}
.saldo-click:hover{
    filter:brightness(1.15);
}

.form-field{
    display:flex;
    flex-direction:column;
    gap:4px;
    font-size:.75rem;
}
.form-field label{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    font-size:.7rem;
    color:#fff;
    letter-spacing:-0.03em;
    line-height:1.2;
}
.form-field label small{
    color:var(--txt-dim);
    font-size:.7rem;
    margin-left:8px;
    font-weight:400;
    line-height:1.2;
}
.form-field input[type="number"],
.form-field input[type="text"]{
    background:#0f0f0f;
    border:1px solid rgba(255,255,255,.12);
    border-radius:8px;
    padding:8px 10px;
    font-size:.8rem;
    line-height:1.3;
    color:#fff;
    outline:none;
    font-family:var(--font);
    letter-spacing:-0.03em;
}
.form-field input:focus{
    border-color:var(--accent);
    box-shadow:0 0 10px rgba(0,217,255,.4);
}
.readonly{
    opacity:.7;
    cursor:not-allowed;
}

.trade-submit{
    display:inline-block;
    width:100%;
    text-align:center;
    border-radius:8px;
    padding:10px 12px;
    font-size:.8rem;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    border:1px solid transparent;
    text-decoration:none;
    letter-spacing:-0.03em;
}
.buy-btn{
    background:#003b27;
    border-color:#00d17a22;
    color:var(--buy);
    box-shadow:0 10px 30px rgba(0,209,122,.25);
}
.buy-btn:hover{
    filter:brightness(1.15);
}
.sell-btn{
    background:#3a0000;
    border-color:#ff4d4d33;
    color:var(--sell);
    box-shadow:0 10px 30px rgba(255,77,77,.25);
}
.sell-btn:hover{
    filter:brightness(1.15);
}

/* HISTÓRICOS */

.bottom-row{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
@media(min-width:900px){
    .bottom-row{
        grid-template-columns:1fr 1fr;
    }
}

.hist-card{
    background:var(--bg-card);
    border:var(--border-soft);
    border-radius:var(--r-lg);
    box-shadow:0 20px 60px rgba(0,0,0,.8);
    padding:12px;
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:.7rem;
}
.hist-head{
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:8px;
    font-size:.7rem;
    font-weight:600;
    color:#fff;
    letter-spacing:-0.03em;
    line-height:1.2;
    margin-bottom:2px;
}
.hist-head .muted{
    font-weight:400;
    font-size:.7rem;
    color:var(--txt-dim);
    line-height:1.2;
}

.hist-table{
    background:var(--bg-card-alt);
    border:var(--border-soft);
    border-radius:var(--r);
    overflow:hidden;
    font-size:.65rem;
}

.hist-row{
    display:grid;
    grid-template-columns:1fr 1fr 1fr 1fr 1fr;
    gap:6px;
    padding:3px 8px;
    align-items:center;
    border-bottom:1px solid rgba(255,255,255,.04);
    line-height:1.2;
    min-height:18px;
}
.hist-row:last-child{
    border-bottom:none;
}

.hist-header{
    background:rgba(255,255,255,.03);
    color:var(--txt-dim);
    font-weight:600;
    font-size:.64rem;
    line-height:1.2;
    padding-top:4px;
    padding-bottom:4px;
}

.hist-row.buy span:first-child,
.hist-row.sell span:first-child {
    font-size:.64rem;
    font-weight:600;
    letter-spacing:-0.03em;
    line-height:1.2;
}
.hist-row.buy span:first-child{
    color:var(--buy);
}
.hist-row.sell span:first-child{
    color:var(--sell);
}

.muted{
    color:var(--txt-dim);
    font-weight:400;
    font-size:.7rem;
    line-height:1.2;
}

/* FOOTER */

.site-footer{
    text-align:center;
    color:var(--txt-dim);
    font-size:.7rem;
    padding:16px 20px 40px;
    border-top:1px solid rgba(255,255,255,.07);
    letter-spacing:-0.03em;
    line-height:1.4;
}