:root {
    --cor-fundo-escuro: #1f2810;
    --cor-verde-profundo: #263113;
    --cor-verde-card: rgba(31, 40, 16, 0.92);
    --cor-branco: #ffffff;
    --cor-branco-suave: #f4f4ef;
    --cor-cinza-claro: #d8d8cf;
    --cor-cinza-medio: #9f9f96;
    --cor-destaque: #b9c28f;
    --cor-destaque-hover: #d7dfaa;
    --cor-erro: #ffd6d6;
    --cor-erro-fundo: rgba(120, 20, 20, 0.35);
    --sombra-card: 0 24px 60px rgba(0, 0, 0, 0.35);
}

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

body {
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--cor-fundo-escuro);
    color: var(--cor-branco);
}

.login-page {
    width: 100%;
    min-height: 100vh;
    background-image: 
        linear-gradient(
            90deg,
            rgba(31, 40, 16, 0.98) 0%,
            rgba(31, 40, 16, 0.90) 32%,
            rgba(31, 40, 16, 0.40) 62%,
            rgba(31, 40, 16, 0.10) 100%
        ),
        url("../img/fundo_site.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: stretch;
}

.login-area {
    width: 100%;
    max-width: 520px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--cor-verde-card);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 24px;
    padding: 38px 34px;
    box-shadow: var(--sombra-card);
    backdrop-filter: blur(10px);
}

.brand {
    margin-bottom: 34px;
}

.brand h1 {
    font-size: 64px;
    line-height: 0.85;
    font-weight: 800;
    letter-spacing: -4px;
    color: var(--cor-branco);
}

.brand span {
    display: block;
    margin-top: 6px;
    font-size: 16px;
    font-weight: 300;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--cor-branco-suave);
}

.login-title {
    margin-bottom: 26px;
}

.login-title h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--cor-branco);
    margin-bottom: 8px;
}

.login-title p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--cor-cinza-claro);
}

.alert-error {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 20px;
    border-radius: 12px;
    background: var(--cor-erro-fundo);
    border: 1px solid rgba(255, 214, 214, 0.35);
    color: var(--cor-erro);
    font-size: 14px;
}

.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--cor-branco-suave);
}

.form-group input {
    width: 100%;
    height: 50px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--cor-branco);
    font-size: 15px;
    outline: none;
    transition: all 0.25s ease;
}

.form-group input::placeholder {
    color: var(--cor-cinza-medio);
}

.form-group input:focus {
    border-color: var(--cor-destaque);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 4px rgba(185, 194, 143, 0.15);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 8px 0 24px;
    font-size: 13px;
}

.remember {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cor-cinza-claro);
    cursor: pointer;
    user-select: none;
}

.switch-remember input {
    display: none;
}

.switch-slider {
    position: relative;
    width: 44px;
    height: 24px;
    flex: 0 0 44px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.25s ease;
}

.switch-slider::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    top: 2px;
    left: 3px;
    border-radius: 50%;
    background: var(--cor-branco);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.30);
    transition: all 0.25s ease;
}

.switch-remember input:checked + .switch-slider {
    background: var(--cor-destaque);
    border-color: var(--cor-destaque);
}

.switch-remember input:checked + .switch-slider::before {
    transform: translateX(19px);
    background: var(--cor-fundo-escuro);
}

.switch-text {
    font-size: 13px;
    color: var(--cor-cinza-claro);
}

.forgot-link {
    color: var(--cor-destaque);
    text-decoration: none;
    transition: color 0.25s ease;
}

.forgot-link:hover {
    color: var(--cor-destaque-hover);
}

.btn-login {
    width: 100%;
    height: 52px;
    border: none;
    border-radius: 16px;
    background: var(--cor-branco);
    color: var(--cor-fundo-escuro);
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-login:hover {
    background: var(--cor-destaque-hover);
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    margin-top: 26px;
    text-align: center;
}

.login-footer p {
    font-size: 12px;
    color: var(--cor-cinza-medio);
}

/* Tablets */
@media (max-width: 900px) {
    .login-page {
        background-position: center right;
    }

    .login-area {
        max-width: 480px;
        padding: 32px 24px;
    }

    .brand h1 {
        font-size: 56px;
    }
}

/* Celulares */
@media (max-width: 600px) {
    .login-page {
        min-height: 100vh;
        background-image:
            linear-gradient(
                180deg,
                rgba(31, 40, 16, 0.98) 0%,
                rgba(31, 40, 16, 0.92) 48%,
                rgba(31, 40, 16, 0.80) 100%
            ),
            url("../img/fundo_site.png");
        background-size: cover;
        background-position: center;
    }

    .login-area {
        max-width: 100%;
        min-height: 100vh;
        padding: 24px 18px;
        align-items: center;
    }

    .login-card {
        max-width: 100%;
        padding: 30px 22px;
        border-radius: 20px;
    }

    .brand {
        margin-bottom: 28px;
    }

    .brand h1 {
        font-size: 50px;
        letter-spacing: -3px;
    }

    .brand span {
        font-size: 13px;
        letter-spacing: 6px;
    }

    .login-title h2 {
        font-size: 23px;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* Celulares pequenos */
@media (max-width: 380px) {
    .login-card {
        padding: 26px 18px;
    }

    .brand h1 {
        font-size: 44px;
    }

    .brand span {
        letter-spacing: 5px;
    }

    .login-title h2 {
        font-size: 21px;
    }
}