/* ============================================================================
 * LOGIN.CSS — Tela de acesso ao painel (White-Label)
 * ============================================================================
 * Todas as cores derivam das mesmas CSS variables do site (--primary/--accent),
 * então quando o theme-engine.js (Fase 2) trocar o tema, o login acompanha
 * automaticamente — zero retrabalho por cliente.
 * ========================================================================== */

:root {
    --primary: #001f3f;
    --primary-deep: #00142b;
    --accent: #e5c05b;
    --gold-gradient: linear-gradient(135deg, #bf953f, #fcf6ba, #b38728, #fbf5b7, #aa771c);
    --white: #ffffff;
    --erro: #e05252;
    --sucesso: #35b073;
    --raio: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Montserrat', sans-serif;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--primary-deep);
    color: var(--white);
}

/* ------------------------------------------------------------------------ */
/* PAINEL DA MARCA (lado esquerdo)                                          */
/* ------------------------------------------------------------------------ */
.painel-marca {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 48px;
    background:
        radial-gradient(120% 90% at 20% 10%, rgba(229, 192, 91, 0.10), transparent 55%),
        linear-gradient(160deg, var(--primary) 0%, var(--primary-deep) 100%);
    overflow: hidden;
}

/* Assinatura visual: linha de "balança" que se equilibra ao carregar */
.painel-marca::after {
    content: '';
    position: absolute;
    bottom: 18%;
    left: 50%;
    width: 46%;
    height: 2px;
    background: var(--gold-gradient);
    transform-origin: center;
    transform: translateX(-50%) rotate(-6deg);
    opacity: 0.85;
    animation: equilibrar 1.6s cubic-bezier(.34, 1.4, .4, 1) 0.3s forwards;
}
@keyframes equilibrar { to { transform: translateX(-50%) rotate(0deg); } }

.marca-logo {
    width: 130px;
    height: 130px;
    object-fit: contain;
    filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
}

.marca-nome {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    letter-spacing: 0.04em;
    text-align: center;
}

.marca-sub {
    font-size: 0.72rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--accent);
    text-align: center;
}

.marca-rodape {
    position: absolute;
    bottom: 28px;
    font-size: 0.68rem;
    opacity: 0.45;
    letter-spacing: 0.08em;
}

/* ------------------------------------------------------------------------ */
/* ÁREA DO FORMULÁRIO (lado direito)                                        */
/* ------------------------------------------------------------------------ */
.painel-form {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: #f5f6f8;
    color: var(--primary);
}

.cartao {
    width: 100%;
    max-width: 420px;
}

/* Cada etapa (login, primeiro acesso, OTP...) é uma "view".
   Só uma fica visível; a troca tem fade+slide sutil. */
.view { display: none; animation: entrar 0.35s ease both; }
.view.ativa { display: block; }
@keyframes entrar {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.view h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.7rem;
    margin-bottom: 6px;
}
.view .descricao {
    font-size: 0.88rem;
    color: #5a6472;
    margin-bottom: 26px;
    line-height: 1.5;
}

/* Campos ---------------------------------------------------------------- */
.campo { margin-bottom: 18px; }
.campo label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #5a6472;
    margin-bottom: 7px;
}
.campo-envelope { position: relative; }
.campo input {
    width: 100%;
    padding: 14px 46px 14px 16px;
    font: inherit;
    font-size: 0.95rem;
    border: 2px solid #dfe3e9;
    border-radius: 10px;
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.campo input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(229, 192, 91, 0.18);
}
.btn-olho {
    position: absolute;
    right: 6px; top: 50%;
    transform: translateY(-50%);
    border: none; background: none;
    padding: 10px; cursor: pointer;
    color: #8a93a1; font-size: 0.95rem;
}
.btn-olho:hover { color: var(--primary); }

/* Medidor de força de senha --------------------------------------------- */
.forca { height: 5px; border-radius: 3px; background: #e4e7ec; overflow: hidden; margin-top: 8px; }
.forca > div { height: 100%; width: 0; border-radius: 3px; transition: width 0.3s, background 0.3s; }
.forca-legenda { font-size: 0.72rem; color: #8a93a1; margin-top: 5px; min-height: 1em; }

/* OTP: 6 caixas ---------------------------------------------------------- */
.otp-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    margin: 6px 0 4px;
}
.otp-grid input {
    padding: 0;
    height: 56px;
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    border: 2px solid #dfe3e9;
    border-radius: 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.otp-grid input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(229, 192, 91, 0.18);
}

/* Botões ------------------------------------------------------------------ */
.btn {
    width: 100%;
    padding: 15px;
    margin-top: 6px;
    border: none;
    border-radius: 10px;
    font: inherit;
    font-weight: 800;
    font-size: 0.86rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
}
.btn-primario {
    background: var(--primary);
    color: var(--accent);
    border: 2px solid var(--accent);
    box-shadow: 0 8px 22px rgba(0, 31, 63, 0.28);
}
.btn-primario:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: 0.65; cursor: wait; }

/* Spinner embutido no botão durante requisições */
.btn .spinner {
    display: none;
    width: 16px; height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: -3px;
    animation: girar 0.7s linear infinite;
}
.btn.carregando .spinner { display: inline-block; }
@keyframes girar { to { transform: rotate(360deg); } }

/* Links auxiliares -------------------------------------------------------- */
.linha-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 18px;
    font-size: 0.82rem;
}
.linha-links a, .link-voltar {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    border: none; background: none;
    font: inherit; font-weight: 700; font-size: 0.82rem;
    cursor: pointer;
}
.linha-links a:hover, .link-voltar:hover { text-decoration: underline; }

/* Mensagens de erro/sucesso ----------------------------------------------- */
.mensagem {
    display: none;
    margin-bottom: 18px;
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 0.84rem;
    line-height: 1.45;
}
.mensagem.visivel { display: block; animation: entrar 0.25s ease both; }
.mensagem.erro    { background: #fdecec; color: #a33030; border: 1px solid #f3c8c8; }
.mensagem.sucesso { background: #e8f7ef; color: #1d7a4c; border: 1px solid #bfe6d1; }

/* Responsivo + acessibilidade --------------------------------------------- */
@media (max-width: 860px) {
    body { grid-template-columns: 1fr; }
    .painel-marca { min-height: 220px; padding: 32px 24px; }
    .marca-logo { width: 84px; height: 84px; }
    .marca-nome { font-size: 1.4rem; }
    .marca-rodape { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}