* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell,
        "Helvetica Neue", Arial, sans-serif;
}

:root {
    --color-fundo: #eef2f8;
    --color-card: #ffffff;
    --color-texto: #000000;
    --color-subtexto: #65758f;
    --color-borda-input: #bfd0ea;
    --color-destaque: #152749;
    --color-destaque-suave: #e7efff;
    --color-botao-tema-fundo: #ffffff;
    --color-botao-tema-borda: #c5d2e7;
    --color-botao-tema-texto: #000000;
    --color-sombra: 0 16px 40px rgba(21, 39, 73, 0.14);
}

body.tema-noturno {
    --color-fundo: #0d172c;
    --color-card: #13213d;
    --color-texto: #edf3ff;
    --color-subtexto: #95a4bd;
    --color-borda-input: #30476f;
    --color-destaque: #8fb5ff;
    --color-destaque-suave: rgba(143, 181, 255, 0.13);
    --color-botao-tema-fundo: #162744;
    --color-botao-tema-borda: #3c5682;
    --color-botao-tema-texto: #edf3ff;
    --color-sombra: 0 18px 46px rgba(0, 0, 0, 0.38);
}

html,
body {
    background: var(--color-fundo);
    width: 100%;
    min-height: 100vh;
    color: var(--color-texto);
    transition: background-color 0.2s ease, color 0.2s ease;
}

body {
    position: relative;
    display: flex;
    flex-direction: column;
}

.pagina-inicial {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 44px);
    width: 100%;
    padding: 24px;
}

.caixa-login {
    background: var(--color-card);
    padding: 32px 40px 30px;
    width: 100%;
    max-width: 360px;
    border-radius: 12px;
    border: 1px solid rgba(21, 39, 73, 0.08);
    box-shadow: var(--color-sombra);
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

body.tema-noturno .caixa-login {
    border-color: rgba(143, 181, 255, 0.08);
}

.botao-tema-login {
    position: fixed;
    top: 24px;
    right: 24px;
    border: 1px solid var(--color-botao-tema-borda);
    background: var(--color-botao-tema-fundo);
    color: var(--color-botao-tema-texto);
    width: 30px;
    height: 30px;
    border-radius: 5px;
    cursor: pointer;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.logo {
    display: block;
    width: 92px;
    height: 92px;
    object-fit: contain;
    margin: 0 auto 26px;
    padding: 10px;
    border-radius: 2px;
    background: rgba(21, 39, 73, 0.04);
}

body.tema-noturno .logo {
    background: rgba(143, 181, 255, 0.05);
}

.login-formulario input {
    width: 100%;
    padding: 13px 14px;
    margin-bottom: 0;
    border-radius: 8px;
    border: 1px solid var(--color-borda-input);
    font-size: 14px;
    background: var(--color-card);
    color: var(--color-texto);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-formulario input:focus {
    outline: none;
    border-color: var(--color-destaque);
    box-shadow: 0 0 0 3px rgba(21, 39, 73, 0.12);
}

.login-formulario button {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    background: var(--color-destaque);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.2s ease;
}

.login-formulario button:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.abas-login {
    display: flex;
    gap: 0;
    margin-bottom: 22px;
    border-bottom: 1px solid var(--color-borda-input);
}

.aba-login {
    flex: 1;
    padding: 10px 8px 12px;
    background: transparent;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
    margin-bottom: -1px;
}

.aba-login:hover {
    color: var(--color-texto);
}

.aba-login.aba-ativa {
    color: var(--color-destaque);
    border-bottom-color: var(--color-destaque);
}

.campo-login-label {
    display: block;
    margin-bottom: 14px;
    cursor: text;
}

.label-texto {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-subtexto);
    margin-bottom: 7px;
    text-transform: uppercase;
    letter-spacing: 0;
}

body.tema-noturno .label-texto {
    color: var(--color-subtexto);
}

.campo-login-label input {
    width: 100%;
    padding: 13px 14px;
    border-radius: 7px;
    border: 1px solid var(--color-borda-input);
    font-size: 14px;
    background: var(--color-card);
    color: var(--color-texto);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.campo-login-label input:focus {
    outline: none;
    border-color: var(--color-destaque);
    box-shadow: 0 0 0 3px rgba(21, 39, 73, 0.12);
}

body.tema-noturno .campo-login-label input:focus {
    box-shadow: 0 0 0 3px rgba(143, 181, 255, 0.12);
}

.escondido {
    display: none !important;
}

.texto-ajuda {
    margin-top: 14px;
    text-align: center;
    font-size: 12px;
    color: var(--color-subtexto);
}

body.tema-noturno .texto-ajuda {
    color: #7787a3;
}

.site-footer {
  min-height: 28px;
  padding: 3px 12px;
  border-top: 1px solid rgba(21, 39, 73, 0.08);
  background: var(--color-fundo);
  color: var(--color-subtexto);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  text-align: center;
}

@media (max-width: 420px) {
    .pagina-inicial {
        padding: 16px;
    }

    .caixa-login {
        padding: 28px 40px 26px;
    }

    .logo {
        width: 86px;
        height: 86px;
        margin-bottom: 22px;
    }
}

body.tema-noturno .site-footer {
    border-top-color: rgba(237, 243, 255, 0.12);
}