/* Variáveis de cor e tipografia (:root e :root[data-theme="dark"]) vêm de
           tokens.css, que precisa estar linkado antes deste arquivo no HTML. */
        * {
            box-sizing: border-box;
        }

        /* O JS troca de etapa com o atributo hidden; sem isto, regras como
           "form { display: grid }" venceriam e as duas etapas apareceriam juntas. */
        [hidden] {
            display: none !important;
        }

        body {
            margin: 0;
            min-height: 100vh;
            font-family: var(--fonte);
            color: var(--texto);
            background: var(--fundo-gradiente);
            display: grid;
            place-items: center;
            padding: 20px;
        }

        /* Grade de fundo do ttable, esmaecendo a partir do topo. */
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background-image:
                linear-gradient(var(--grade) 1px, transparent 1px),
                linear-gradient(90deg, var(--grade) 1px, transparent 1px);
            background-size: 56px 56px;
            -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
            mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
        }

        .layout {
            width: min(1080px, 100%);
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 18px;
        }

        .card {
            background: var(--superficie-glass);
            border: 1px solid var(--borda);
            border-radius: 20px;
            box-shadow: var(--sombra-2);
            backdrop-filter: blur(5px);
        }

        /* --- Painel de marca: acompanha o tema (claro no claro, navy no escuro);
           a identidade vem do símbolo, do "ttable.", da grade e dos blocos. --- */
        .hero {
            padding: 30px;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 18px;
            color: var(--texto);
            border-color: var(--painel-ttable-borda);
            background:
                radial-gradient(ellipse 85% 60% at 0% 0%, var(--painel-ttable-brilho-azul) 0%, transparent 65%),
                radial-gradient(ellipse 60% 45% at 100% 100%, var(--painel-ttable-brilho-ciano) 0%, transparent 65%),
                var(--painel-ttable-fundo);
            backdrop-filter: none;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(var(--painel-ttable-linha) 1px, transparent 1px),
                linear-gradient(90deg, var(--painel-ttable-linha) 1px, transparent 1px);
            background-size: 40px 40px;
            -webkit-mask-image: radial-gradient(ellipse 90% 70% at 0% 0%, #000 20%, transparent 75%);
            mask-image: radial-gradient(ellipse 90% 70% at 0% 0%, #000 20%, transparent 75%);
        }

        /* Conteúdo acima da grade (::before é posicionado). */
        .hero > * {
            position: relative;
        }

        .hero-marca {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-marca img {
            border-radius: 9px;
            box-shadow: 0 6px 20px -6px var(--ttable-azul);
        }

        .hero-wordmark {
            font-family: var(--fonte-display);
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .hero-ponto {
            color: var(--ciano);
        }

        .hero-org {
            display: grid;
            gap: 6px;
            margin-top: 10px;
        }

        /* Logos de organização costumam ser feitos para fundo branco. */
        .hero-logo {
            display: block;
            justify-self: start;
            width: auto;
            max-width: 240px;
            max-height: 76px;
            margin-bottom: 10px;
            padding: 8px 12px;
            background: #fff;
            border: 1px solid var(--painel-ttable-borda);
            border-radius: 12px;
        }

        /* Organização sem logo cadastrado: o servidor manda src vazio. */
        .hero-logo[src=""] {
            display: none;
        }

        .hero h1 {
            margin: 0;
            font-family: var(--fonte-display);
            font-size: var(--fs-3xl);
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -0.03em;
        }

        .hero-org-nome {
            margin: 0;
            font-size: var(--fs-md);
            font-weight: 500;
            line-height: 1.4;
            opacity: 0.85;
        }

        .hero-lead {
            margin: 0;
            color: var(--muted);
            font-size: var(--fs-md);
            line-height: 1.5;
            max-width: 42ch;
        }

        .hero-meta {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 8px;
            font-family: var(--fonte-mono);
            font-size: 12px;
            line-height: 1.4;
            color: var(--muted);
        }

        .hero-meta li {
            display: flex;
            align-items: baseline;
            gap: 10px;
        }

        /* Visto desenhado em CSS: não depende do glifo existir na fonte. */
        .hero-meta li::before {
            content: "";
            flex: none;
            width: 5px;
            height: 9px;
            margin-left: 3px;
            border: solid var(--ciano);
            border-width: 0 2px 2px 0;
            transform: rotate(45deg) translateY(-2px);
        }

        .hero-grade {
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            grid-template-rows: 16px repeat(6, 18px);
            gap: 6px;
            margin-top: 6px;
            padding: 14px;
            border: 1px solid var(--painel-ttable-linha);
            border-radius: 14px;
            background: var(--painel-ttable-superficie);
        }

        .hero-grade span {
            font-family: var(--fonte-mono);
            font-size: 10px;
            font-weight: 500;
            line-height: 16px;
            letter-spacing: 0.04em;
            text-align: center;
            color: var(--muted);
        }

        .hero-grade .bloco {
            border-radius: 7px;
            border-left: 3px solid currentColor;
            background: color-mix(in srgb, currentColor 20%, transparent);
        }

        .hero-grade .azul { color: var(--ttable-azul); }
        /* O ciano da marca some no branco; o do tema fecha no claro. */
        .hero-grade .ciano { color: var(--ciano); }
        .hero-grade .violeta { color: var(--ttable-violeta); }
        .hero-grade .ambar { color: var(--ttable-ambar); }
        .hero-grade .rosa { color: var(--ttable-rosa); }

        .hero-rodape {
            margin: auto 0 0;
            padding-top: 14px;
            border-top: 1px solid var(--painel-ttable-linha);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 4px 12px;
            font-family: var(--fonte-mono);
            font-size: 11.5px;
            line-height: 1.5;
            color: var(--muted);
        }

        .hero-rodape a {
            color: var(--ciano-texto);
            text-decoration: none;
        }

        .hero-rodape a:hover {
            text-decoration: underline;
        }

        /* --- Formulário --- */
        .panel {
            padding: 26px;
        }

        .panel h2 {
            margin: 0 0 14px;
            color: var(--azul-forte);
            font-family: var(--fonte-display);
            font-size: 22px;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        form {
            display: grid;
            gap: 10px;
        }

        label {
            font-size: 12px;
            font-weight: 700;
            color: var(--label);
            margin-bottom: 4px;
            display: inline-block;
        }

        input,
        textarea,
        button {
            font: inherit;
        }

        input,
        textarea {
            width: 100%;
            padding: 11px 12px;
            border: 1px solid var(--borda);
            border-radius: 10px;
            background: var(--superficie);
            color: var(--texto);
        }

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

        .captcha-box {
            border: 1px dashed var(--borda);
            border-radius: 12px;
            background: var(--azul-nevoa);
            padding: 12px;
        }

        /* Segunda etapa do login (2FA). */
        .mfa-intro {
            margin: 0 0 4px;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.5;
        }

        #mfa-code {
            font-family: var(--fonte-mono);
            font-size: 22px;
            letter-spacing: 0.3em;
            text-align: center;
        }

        .mfa-link {
            justify-self: start;
            padding: 0;
            border: 0;
            background: none;
            color: var(--azul-forte);
            font-size: 12px;
            font-weight: 600;
            text-decoration: underline;
            cursor: pointer;
        }

        /* Widget do Turnstile: reserva a altura dele (65 px) para o botão não
           pular quando o desafio aparece. */
        .turnstile-slot {
            min-height: 65px;
        }

        .captcha-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 8px;
            color: var(--nevoa-texto);
            font-size: 13px;
            font-weight: 700;
        }

        .btn {
            border: 1px solid transparent;
            border-radius: 10px;
            padding: 11px 14px;
            cursor: pointer;
            font-weight: 600;
            transition: 0.15s;
        }

        .btn:focus-visible {
            outline: 2px solid var(--azul);
            outline-offset: 2px;
        }

        .btn-primary {
            min-height: 46px;
            background: var(--azul);
            color: var(--sobre-azul);
            border-color: var(--azul);
        }

        .btn-primary:hover {
            background: var(--azul-escuro);
            border-color: var(--azul-escuro);
        }

        .btn-ghost {
            background: var(--azul-nevoa);
            color: var(--azul);
            border-color: var(--borda);
        }

        .btn-ghost:hover {
            background: var(--link-hover-bg);
        }

        .login-msg {
            min-height: 18px;
            margin-top: 4px;
            font-size: 12px;
            color: var(--muted);
        }

        .login-msg.erro {
            color: var(--erro);
        }

        .login-msg.ok {
            color: var(--ok);
        }

        details {
            margin-top: 14px;
            border-top: 1px solid var(--borda);
            padding-top: 12px;
        }

        summary {
            cursor: pointer;
            color: var(--azul-forte);
            font-weight: 700;
            font-size: 13px;
        }

        .small {
            font-size: 12px;
            color: var(--muted);
            margin: 10px 0 0;
            line-height: 1.4;
        }

        @media (max-width: 920px) {
            .layout {
                grid-template-columns: 1fr;
            }

            /* No celular o formulário vem logo: o painel de marca fica enxuto. */
            .hero {
                padding: 22px;
                gap: 14px;
            }

            .hero-lead,
            .hero-meta,
            .hero-grade {
                display: none;
            }

            .hero h1 {
                font-size: var(--fs-2xl);
            }

            .hero-logo {
                max-height: 60px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .btn {
                transition: none;
            }
        }