:root {
    --olive: #5E7D4A;
    --olive-dark: #4A6339;
    --charcoal: #4F4F57;
    --sage: #9DBB95;
    --border: #E3E6E1;
    --muted: #8A8C90;
}

body {
    background: #F6F7F5;
    font-family: 'Nunito', system-ui, sans-serif;
    color: var(--charcoal);
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 32px 24px;
    box-shadow: 0 8px 24px rgba(79, 79, 87, 0.06);
}

.logo-area {
    text-align: center;
    margin-bottom: 28px;
}

.logo-area img {
    max-width: 100%;
    height: auto;
}

.field {
    margin-bottom: 18px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 6px;
}

.form-control {
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 14px;
    font-size: 0.95rem;
    color: var(--charcoal);
}

.form-control::placeholder {
    color: #B4B6B9;
}

.form-control:focus {
    border-color: var(--olive);
    box-shadow: 0 0 0 3px rgba(94, 125, 74, 0.15);
}

.password-wrap {
    position: relative;
}

.password-wrap .form-control {
    padding-right: 46px;
}

.eye-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 46px;
    height: 46px;
    border: 0;
    background: transparent;
    color: var(--muted);
}

.eye-btn:hover {
    color: var(--olive);
}

.btn-login {
    height: 46px;
    margin-top: 8px;
    border: 0;
    border-radius: 10px;
    background: var(--olive);
    color: #fff;
    font-weight: 700;
    transition: background-color 0.15s ease;
}

.btn-login:hover,
.btn-login:focus {
    background: var(--olive-dark);
    color: #fff;
}

.dev-copy {
    margin: 24px 0 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
}

/* Aviso de instalación PWA (solo aparece si el navegador lo permite) */
.pwa-install-banner {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 18px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #F1F5EF;
    font-size: 0.8rem;
}

.pwa-install-banner.is-visible {
    display: flex;
}

.pwa-install-btn {
    padding: 4px 12px;
    border-radius: 8px;
    background: var(--olive);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
}

.pwa-install-btn:hover {
    background: var(--olive-dark);
    color: #fff;
}

@media (max-width: 420px) {
    .login-card {
        padding: 28px 20px 20px;
        border: 0;
        box-shadow: none;
        background: transparent;
    }
}