:root {
    --bg-base: #060814;
    --bg-card: rgba(15, 23, 42, 0.45);
    --bg-campo: rgba(15, 23, 42, 0.65);
    --texto-principal: #f8fafc;
    --texto-secundario: #94a3b8;
    --cor-primaria: #38bdf8;
    --cor-primaria-glow: rgba(56, 189, 248, 0.25);
    --cor-sucesso: #10b981;
    --cor-erro: #f43f5e;
    --cor-gradiente: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
    --borda-raio: 20px;
    --transicao: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --sombra-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 50px rgba(56, 189, 248, 0.03);
}

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

body {
    background-color: var(--bg-base);
    color: var(--texto-principal);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
}

/* Efeito de Luzes de Fundo (Fundo Dinâmico de Nebulosa) */
body::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    top: -150px;
    left: -150px;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
    bottom: -150px;
    right: -150px;
    pointer-events: none;
    z-index: 0;
}

/* Container de Alinhamento Centralizado e Dinâmico */
.painel-acesso {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 480px;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 10;
    animation: animacaoEntrada 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* BRANDING E LOGO */
.acesso-branding {
    text-align: center;
    margin-bottom: 2.25rem;
    width: 100%;
}

.box-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-logo:hover {
    transform: scale(1.05) rotate(2deg);
}

.img-logo {
    width: 100%;
    max-width: 60px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.logo-texto {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.25rem;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.logo-texto span {
    background: var(--cor-gradiente);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cor-primaria);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

/* CONTAINER DO FORMULÁRIO (GLASSMORPHISM PREMIUM) */
.acesso-formulario {
    width: 100%;
    display: flex;
    justify-content: center;
}

.form-card {
    width: 100%;
    background-color: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--borda-raio);
    padding: 3rem 2.5rem;
    box-shadow: var(--sombra-premium);
    transition: var(--transicao);
    opacity: 1;
    transform: scale(1) translateY(0);
}

.form-card:hover {
    border-color: rgba(56, 189, 248, 0.2);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8), 0 0 50px rgba(56, 189, 248, 0.05);
}

.form-card.escondido {
    display: none;
    opacity: 0;
    transform: scale(0.96) translateY(10px);
}

.cabecalho-form {
    margin-bottom: 2rem;
    text-align: center;
}

.cabecalho-form h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.cabecalho-form p {
    font-size: 0.875rem;
    color: var(--texto-secundario);
}

/* Campos de Formulário */
form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.campo-grupo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-linha {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--texto-secundario);
    text-transform: uppercase;
    letter-spacing: 0.75px;
}

input {
    background-color: var(--bg-campo);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #ffffff;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transicao);
}

input:focus {
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    background-color: rgba(15, 23, 42, 0.85);
    transform: translateY(-1px);
}

input::placeholder {
    color: #475569;
}

/* Links e Ações */
.link-secundario {
    font-size: 0.75rem;
    color: var(--cor-primaria);
    text-decoration: none;
    transition: var(--transicao);
    font-weight: 500;
}

.link-secundario:hover {
    color: #60a5fa;
    text-decoration: underline;
}

.link-destaque {
    color: var(--cor-primaria);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transicao);
}

.link-destaque:hover {
    color: #60a5fa;
    text-decoration: underline;
}

.botao-primario {
    background: var(--cor-gradiente);
    color: #ffffff;
    border: none;
    padding: 0.95rem;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.975rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    transition: var(--transicao);
    margin-top: 0.5rem;
}

.botao-primario:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.botao-primario:active {
    transform: translateY(0);
}

.rodape-form {
    text-align: center;
    font-size: 0.85rem;
    color: var(--texto-secundario);
    margin-top: 1.5rem;
}

/* Feedbacks de Status */
.mensagem-status {
    padding: 0.85rem 1.1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
    animation: deslizarEntrada 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mensagem-status.sucesso {
    background: rgba(16, 185, 129, 0.08);
    color: var(--cor-sucesso);
    border: 1px solid rgba(16, 185, 129, 0.18);
}

.mensagem-status.erro {
    background: rgba(244, 63, 94, 0.08);
    color: var(--cor-erro);
    border: 1px solid rgba(244, 63, 94, 0.18);
}

/* Keyframes de Animação */
@keyframes animacaoEntrada {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes deslizarEntrada {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* RESPONSIVIDADE MULTIPLATAFORMA (Desktop, Tablet e Mobile) */

/* TABLET (max-width: 768px) */
@media (max-width: 768px) {
    .painel-acesso {
        max-width: 440px;
        padding: 1.5rem 1.25rem;
    }
    
    .form-card {
        padding: 2.5rem 2rem;
    }
    
    .logo-texto {
        font-size: 2rem;
    }
}

/* MOBILE (max-width: 480px) */
@media (max-width: 480px) {
    body {
        align-items: flex-start;
        padding-top: 2rem;
    }
    
    .painel-acesso {
        max-width: 100%;
        padding: 1rem;
    }
    
    .acesso-branding {
        margin-bottom: 1.5rem;
    }
    
    .box-logo {
        width: 65px;
        height: 65px;
    }
    
    .logo-texto {
        font-size: 1.75rem;
    }
    
    .form-card {
        padding: 2rem 1.25rem;
        background-color: transparent;
        border: none;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}