:root {
    --bg: #08080c;
    --sf: #0f0f15;
    --sf-2: #15151d;
    --ac: #8b5cf6;
    --txt: #f4f4f6;
    --txt-2: #9696a8;
    --borda: #232330;
    --erro: #ff5470;
    --sucesso: #4ade80;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--txt);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.tela-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.cartao-auth {
    width: 100%;
    max-width: 380px;
    background: var(--sf);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 32px;
}

.cartao-auth h1 {
    font-size: 20px;
    margin: 0 0 4px;
}

.cartao-auth .subtitulo {
    color: var(--txt-2);
    font-size: 13px;
    margin: 0 0 24px;
}

.campo {
    margin-bottom: 16px;
}

.campo label {
    display: block;
    font-size: 12px;
    color: var(--txt-2);
    margin-bottom: 6px;
}

.campo input {
    width: 100%;
    background: var(--sf-2);
    border: 1px solid var(--borda);
    border-radius: 8px;
    padding: 11px 12px;
    color: var(--txt);
    font-size: 14px;
}

.campo input:focus {
    outline: none;
    border-color: var(--ac);
}

.btn-primario {
    width: 100%;
    background: var(--ac);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
}

.btn-primario:hover { opacity: 0.92; }

.rodape-auth {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--txt-2);
}

.rodape-auth a {
    color: var(--ac);
    text-decoration: none;
}

.alerta {
    background: rgba(255, 84, 112, 0.1);
    border: 1px solid rgba(255, 84, 112, 0.3);
    color: var(--erro);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 13px;
    margin-bottom: 16px;
}

.selo-plano {
    display: inline-block;
    background: rgba(84, 112, 255, 0.12);
    color: var(--ac);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 16px;
}