/* Tela de entrada no estilo macOS/iOS: janela de vidro sobre um papel de parede na cor do tema.
   Usa as variáveis de navegacao.css, então acompanha o modo (claro/escuro) e o tema escolhidos. */

.login-fundo {
    position: fixed;
    inset: 0;
    overflow-y: auto;
    background:
        radial-gradient(60rem 40rem at 15% 10%, color-mix(in srgb, var(--acento) 55%, #fff) 0%, transparent 60%),
        radial-gradient(50rem 40rem at 90% 95%, color-mix(in srgb, var(--acento) 70%, #5e5ce6) 0%, transparent 60%),
        linear-gradient(145deg, color-mix(in srgb, var(--acento) 60%, #fff), color-mix(in srgb, var(--acento) 85%, #000));
}

html[data-modo="escuro"] .login-fundo {
    background:
        radial-gradient(60rem 40rem at 15% 10%, color-mix(in srgb, var(--acento) 38%, #000) 0%, transparent 60%),
        radial-gradient(50rem 40rem at 90% 95%, color-mix(in srgb, var(--acento) 30%, #1c1033) 0%, transparent 60%),
        linear-gradient(145deg, #0b0b12, #000);
}

.login-palco {
    min-height: 100%;
    display: grid;
    place-items: center;
    padding: max(1rem, var(--area-segura-cima)) 1rem max(1rem, var(--area-segura-baixo));
}

/* Janela de vidro */
.login-janela {
    display: grid;
    width: min(100%, 26rem);
    overflow: hidden;
    color: var(--texto);
    background: color-mix(in srgb, var(--grupo-bg) 78%, transparent);
    -webkit-backdrop-filter: blur(40px) saturate(190%);
    backdrop-filter: blur(40px) saturate(190%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

html[data-modo="escuro"] .login-janela {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.7);
}

.login-janela.tremer { animation: login-tremer 0.4s ease-in-out; }

@keyframes login-tremer {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}

/* Painel lateral: identidade (app ou usuário) */
.login-lado {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem 1.5rem 1rem;
    text-align: center;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.22), transparent);
    border-bottom: 1px solid var(--nav-borda);
}

html[data-modo="escuro"] .login-lado { background: linear-gradient(to bottom, rgba(255, 255, 255, 0.05), transparent); }

.semaforo { display: none; gap: 0.5rem; }
.semaforo span { width: 0.75rem; height: 0.75rem; border-radius: 50%; border: 1px solid rgba(0, 0, 0, 0.1); }
.semaforo span:nth-child(1) { background: #ff5f57; }
.semaforo span:nth-child(2) { background: #febc2e; }
.semaforo span:nth-child(3) { background: #28c840; }

.login-identidade { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; margin-block: auto; }

.login-avatar {
    display: grid;
    place-items: center;
    width: 5rem;
    height: 5rem;
    margin-bottom: 0.4rem;
    color: var(--acento-texto);
    font-size: 2.4rem;
    background: linear-gradient(160deg, color-mix(in srgb, var(--acento) 70%, #fff), var(--acento));
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.6), 0 10px 24px var(--sombra);
}

html[data-modo="escuro"] .login-avatar { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18), 0 10px 24px var(--sombra); }

.login-identidade h1 {
    max-width: 100%;
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.022em;
    overflow-wrap: anywhere;
}

.login-identidade p { margin: 0; color: var(--texto-suave); font-size: 0.85rem; }

.login-etiqueta {
    padding: 0.2rem 0.7rem;
    color: var(--texto-suave);
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--botao-fundo);
    border-radius: 999px;
}

.login-rodape { margin: 0; color: var(--texto-suave); font-size: 0.72rem; font-weight: 500; }

/* Conteúdo */
.login-conteudo {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
    background: color-mix(in srgb, var(--grupo-bg) 40%, transparent);
}

/* Controle segmentado */
.login-seg {
    display: flex;
    padding: 2px;
    background: var(--botao-fundo);
    border-radius: 0.75rem;
}

.login-seg a {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 2.25rem;
    padding: 0.35rem 0.5rem;
    color: var(--texto-suave);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.6rem;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.login-seg a[aria-current="page"] {
    color: var(--texto);
    font-weight: 600;
    background: var(--grupo-bg);
    box-shadow: 0 1px 4px var(--sombra);
}

@media (hover: hover) { .login-seg a:not([aria-current]):hover { color: var(--texto); } }
.login-seg a:focus-visible { outline: 2px solid var(--acento); outline-offset: 1px; }

/* Formulário */
.login-formulario { display: flex; flex-direction: column; gap: 1rem; }
.login-formulario form { display: flex; flex-direction: column; gap: 0.5rem; }

.campo-rotulo { margin: 0.25rem 0 0 0.25rem; color: var(--texto-suave); font-size: 0.78rem; font-weight: 600; }

.campo {
    width: 100%;
    min-height: 3rem;
    padding: 0.7rem 1rem;
    color: var(--texto);
    font: inherit;
    font-size: 1rem; /* 16px: o iOS não dá zoom ao focar */
    background: color-mix(in srgb, var(--grupo-bg) 70%, transparent);
    border: 1px solid color-mix(in srgb, var(--texto) 16%, transparent);
    border-radius: 0.75rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.campo::placeholder { color: var(--texto-suave); opacity: 0.8; }
.campo:focus { outline: none; border-color: var(--acento); box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--acento) 30%, transparent); }
.campo-codigo { font-size: 1.4rem; letter-spacing: 0.5em; text-align: center; font-variant-numeric: tabular-nums; }
.campo-codigo::placeholder { letter-spacing: 0.3em; }

.campo-grupo { position: relative; }
.campo-grupo .campo { padding-right: 3rem; }

.campo-olho {
    position: absolute;
    top: 50%;
    right: 0.35rem;
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    color: var(--texto-suave);
    background: none;
    border: 0;
    border-radius: 0.6rem;
    cursor: pointer;
    transform: translateY(-50%);
    -webkit-tap-highlight-color: transparent;
}

.campo-olho:focus-visible { outline: 2px solid var(--acento); }
@media (hover: hover) { .campo-olho:hover { color: var(--texto); } }

/* Botões */
.btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    min-height: 3rem;
    margin-top: 0.5rem;
    padding: 0.7rem 1rem;
    color: var(--acento-texto);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--acento);
    border: 0;
    border-radius: 0.75rem;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--acento) 40%, transparent);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.12s ease-out, filter 0.15s ease;
}

.btn-login:active { transform: scale(0.97); }
.btn-login:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; }
@media (hover: hover) { .btn-login:hover { color: var(--acento-texto); filter: brightness(0.92); } }

.btn-login.secundario {
    margin-top: 0;
    color: var(--texto);
    background: var(--botao-fundo);
    box-shadow: none;
}

@media (hover: hover) { .btn-login.secundario:hover { color: var(--texto); } }

.login-link { margin: 0; text-align: center; font-size: 0.85rem; }
.login-link a { color: var(--acento); font-weight: 500; text-decoration: none; }
@media (hover: hover) { .login-link a:hover { text-decoration: underline; } }

/* Avisos (erro e confirmação) */
.login-aviso {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.7rem 0.9rem;
    font-size: 0.85rem;
    background: color-mix(in srgb, var(--acento) 12%, transparent);
    border-left: 3px solid var(--acento);
    border-radius: 0.6rem;
}

.login-aviso.erro {
    background: color-mix(in srgb, var(--perigo) 12%, transparent);
    border-left-color: var(--perigo);
}

.login-aviso .bi { flex: none; margin-top: 0.1rem; }

/* Sessão ativa: contagem regressiva */
.login-contagem { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; text-align: center; }

.anel { position: relative; width: 7rem; height: 7rem; margin-bottom: 0.75rem; }
.anel svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.anel circle { fill: none; stroke-width: 6; }
.anel-fundo { stroke: var(--botao-fundo); }

.anel-progresso {
    stroke: var(--acento);
    stroke-linecap: round;
    stroke-dasharray: 276.46;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.1s linear;
}

.anel-numero {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 2.4rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.login-titulo { margin: 0; font-size: 1.05rem; font-weight: 600; }
.login-sub { margin: 0; color: var(--texto-suave); font-size: 0.85rem; }
.login-acoes { display: flex; flex-direction: column; gap: 0.5rem; }
.login-acoes .btn-login:first-child { margin-top: 0; }

/* Tablet e desktop: janela de duas colunas, como no macOS. */
@media (min-width: 768px) {
    .login-janela { grid-template-columns: 5fr 7fr; width: min(100%, 52rem); min-height: 31rem; }

    .login-lado {
        padding: 1.25rem 2rem 1.5rem;
        border-bottom: 0;
        border-right: 1px solid var(--nav-borda);
    }

    .semaforo { display: flex; }
    .login-avatar { width: 6.5rem; height: 6.5rem; font-size: 3.2rem; }
    .login-conteudo { justify-content: center; padding: 2.5rem; }
}

/* Transparência reduzida e contraste alto: superfícies sólidas. */
@media (prefers-reduced-transparency: reduce) {
    .login-janela, .login-conteudo { background: var(--grupo-bg); -webkit-backdrop-filter: none; backdrop-filter: none; }
}

@media (prefers-contrast: more) {
    .login-janela { border-color: var(--texto); }
    .campo { border-color: var(--texto); }
}

@media (prefers-reduced-motion: reduce) {
    .login-janela.tremer { animation: none; }
    .login-seg a, .btn-login, .campo { transition: none; }
    .btn-login:active { transform: none; }
}

/* Marca do app no lugar do avatar: o logo é um quadrado laranja, então vira um ícone de app arredondado. */
.login-avatar.logo { overflow: hidden; background: none; border-radius: 22%; }
.login-avatar.logo img { display: block; width: 100%; height: 100%; }