:root {
    --verde-lima: #76d900;
    --verde-forte: #249000;
    --verde-profundo: #061a0f;
    --dourado: #d7b45a;
    --branco: #ffffff;
    --muted: #c8d5cc;
}

* { box-sizing: border-box; }

html, body {
    min-height: 100%;
    margin: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--branco);
    background: var(--verde-profundo);
}

input, button { font: inherit; }

.login-page {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 28px 18px 20px;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(0, 18, 8, .80), rgba(4, 39, 20, .58)),
        url("../img/login-bg.jpg") center / cover no-repeat;
}

.login-page::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 42%, transparent 0 26%, rgba(0, 0, 0, .34) 77%);
}

.login-card,
.login-footer {
    position: relative;
    z-index: 1;
}

.login-card {
    width: min(100%, 520px);
    padding: 28px 40px 30px;
    border: 1px solid rgba(215, 180, 90, .70);
    border-radius: 25px;
    text-align: center;
    background: linear-gradient(
        180deg,
        rgba(20, 57, 34, .91),
        rgba(3, 22, 11, .91)
    );
    box-shadow: 0 28px 75px rgba(0, 0, 0, .44);
    backdrop-filter: blur(12px);
}

.login-logo {
    display: block;
    width: 104px;
    height: 104px;
    margin: 0 auto 12px;
    object-fit: contain;
    image-rendering: auto;
    filter: drop-shadow(0 7px 8px rgba(0, 0, 0, .50));
}

.login-card h1 {
    margin: 0;
    font-size: clamp(1.65rem, 4vw, 2.2rem);
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: .015em;
}

.login-subtitle {
    display: flex;
    align-items: center;
    gap: 13px;
    margin: 10px 0 25px;
    color: var(--dourado);
    font-size: .95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.login-subtitle::before,
.login-subtitle::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dourado));
}

.login-subtitle::after {
    background: linear-gradient(90deg, var(--dourado), transparent);
}

.login-alert {
    margin-bottom: 16px;
    padding: 11px 13px;
    border: 1px solid rgba(255, 130, 130, .64);
    border-radius: 10px;
    color: #ffe2e2;
    background: rgba(115, 10, 10, .42);
    text-align: left;
}

.login-form {
    display: grid;
    gap: 16px;
    text-align: left;
}

.login-field {
    display: grid;
    gap: 7px;
}

.login-field label {
    font-weight: 700;
}

.login-field input {
    width: 100%;
    min-height: 52px;
    padding: 12px 15px;
    border: 1px solid rgba(183, 220, 186, .36);
    border-radius: 11px;
    outline: none;
    color: #fff;
    background: rgba(1, 15, 7, .61);
}

.login-field input:focus {
    border-color: var(--verde-lima);
    box-shadow: 0 0 0 4px rgba(118, 217, 0, .14);
}

.login-button {
    min-height: 58px;
    margin-top: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(90deg, var(--verde-lima), var(--verde-forte));
    cursor: pointer;
    font-size: 1.16rem;
    font-weight: 900;
    text-transform: uppercase;
}

.login-button:hover {
    filter: brightness(1.07);
}

.login-button strong {
    font-size: 1.5rem;
}

.login-restricted {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-top: 23px;
    color: var(--dourado);
    font-size: .88rem;
}

.login-restricted span {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(215, 180, 90, .62));
}

.login-restricted span:last-child {
    background: linear-gradient(90deg, rgba(215, 180, 90, .62), transparent);
}

.login-footer {
    text-align: center;
    color: var(--muted);
}

.login-footer strong,
.login-footer span {
    color: var(--verde-lima);
    text-transform: uppercase;
}

.login-footer strong::after {
    content: "";
    display: inline-block;
    height: 17px;
    margin: 0 13px -4px;
    border-right: 1px solid rgba(255, 255, 255, .55);
}

.login-footer p {
    margin: 6px 0 0;
}

@media (max-width: 600px) {
    .login-page {
        justify-content: flex-start;
        padding-top: 18px;
    }

    .login-card {
        padding: 23px 20px 24px;
        border-radius: 21px;
    }

    .login-logo {
        width: 88px;
        height: 88px;
        margin-bottom: 9px;
    }

    .login-subtitle {
        margin-bottom: 19px;
        font-size: .78rem;
        gap: 8px;
    }

    .login-field input {
        min-height: 49px;
    }

    .login-button {
        min-height: 54px;
    }
}