:root {
    --azul-primario: #012580;
    --azul-secundario: #021a5a;
    --branco: #ffffff;
    --cinza-fundo: #eef2f5;
    --cinza-texto: #4a5568;
    --vermelho-erro: #e53e3e;
    --transicao-padrao: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--cinza-fundo);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

/* Animação de entrada do cartão */
@keyframes surgirCartao {
    0% { opacity: 0; transform: translateY(40px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.cartao-login {
    background: var(--branco);
    width: 100%;
    max-width: 420px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(1, 37, 128, 0.1);
    overflow: hidden;
    animation: surgirCartao 0.8s var(--transicao-padrao) forwards;
}

.cabecalho-login {
    background: linear-gradient(135deg, var(--azul-primario) 0%, var(--azul-secundario) 100%);
    color: var(--branco);
    text-align: center;
    padding: 35px 20px;
    position: relative;
}

.logo-animada {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.cabecalho-login p {
    font-size: 13px;
    opacity: 0.85;
}

#formulario-login {
    padding: 30px 35px 20px;
}

.grupo-entrada {
    margin-bottom: 25px;
}

.grupo-entrada label {
    display: block;
    margin-bottom: 8px;
    color: var(--cinza-texto);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-animado {
    position: relative;
}

.input-animado input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 15px;
    background-color: #f8fafc;
    transition: var(--transicao-padrao);
}

.input-animado input:focus {
    outline: none;
    background-color: var(--branco);
    border-color: var(--azul-primario);
}

.acoes-adicionais {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 25px;
}

.link-esqueci {
    color: var(--azul-primario);
    font-size: 13px;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.link-esqueci:hover {
    color: var(--azul-secundario);
    text-decoration: underline;
}

.botao-entrar {
    width: 100%;
    background-color: var(--azul-primario);
    color: var(--branco);
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.botao-entrar:hover:not(:disabled) {
    background-color: var(--azul-secundario);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(1, 37, 128, 0.3);
}

.botao-entrar:active:not(:disabled) {
    transform: translateY(0);
}

.botao-entrar:disabled {
    background-color: #718096;
    cursor: not-allowed;
}

.carregamento-escondido {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--branco);
    animation: girar 1s ease-in-out infinite;
    position: absolute;
}

@keyframes girar {
    to { transform: rotate(360deg); }
}

.mensagem-erro {
    color: var(--vermelho-erro);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    min-height: 20px;
    margin-bottom: 15px;
    padding: 0 20px;
    animation: sacudir 0.4s ease-in-out;
}

@keyframes sacudir {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* --- Estilos do Modal de Recuperação --- */
.modal-oculto {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(1, 37, 128, 0.4);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-ativo {
    display: flex;
    opacity: 1;
}

.conteudo-modal {
    background-color: var(--branco);
    padding: 35px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    position: relative;
    transform: translateY(-20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.modal-ativo .conteudo-modal {
    transform: translateY(0) scale(1);
}

.fechar-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    color: var(--cinza-texto);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.fechar-modal:hover {
    color: var(--vermelho-erro);
}

.cabecalho-modal h2 {
    color: var(--azul-primario);
    margin-bottom: 8px;
    font-size: 22px;
}

.cabecalho-modal p {
    color: var(--cinza-texto);
    font-size: 13px;
    margin-bottom: 25px;
}

.mensagem-recuperacao {
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    min-height: 20px;
}

.sucesso-msg {
    color: #047857;
    background: #d1fae5;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #10b981;
}