:root {
    --bg-start: #f8fff0;
    --bg-end: #edf4df;
    --card-bg: rgba(255, 255, 255, 0.94);
    --text: #173018;
    --muted: rgba(23, 48, 24, 0.72);
    --accent: #1b5e20;
    --accent-hover: #124116;
    --border: rgba(164, 221, 0, 0.2);
}

body {
    min-height: 100vh;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, var(--bg-start), var(--bg-end));
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
}

.login-card {
    width: min(100%, 980px);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: 0 18px 40px rgba(23, 48, 24, 0.08);
    overflow: hidden;
}

.login-brand {
    background:
        radial-gradient(circle at top left, rgba(182, 245, 0, 0.22), transparent 35%),
        linear-gradient(135deg, rgba(27, 94, 32, 0.96), rgba(52, 120, 46, 0.92));
    color: #fff;
    padding: 2.2rem;
    height: 100%;
}

.brand-logo {
    width: 84px;
    height: 84px;
    border-radius: 40px;
    background: #edf4df;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    margin-bottom: 1.25rem;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.login-form {
    padding: 2.2rem;
}

.form-control {
    border-radius: 14px;
    padding: 0.85rem 1rem;
}

.form-control:focus {
    border-color: rgba(27, 94, 32, 0.4);
    box-shadow: 0 0 0 0.2rem rgba(164, 221, 0, 0.14);
}

.btn-success {
    background: var(--accent);
    border-color: var(--accent);
    border-radius: 14px;
    font-weight: 600;
    padding: 0.85rem 1rem;
}

.btn-success:hover,
.btn-success:focus {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.captcha-box {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.captcha-image {
    min-width: 160px;
    height: 52px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.captcha-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-captcha-reload {
    width: 52px;
    height: 52px;
    border-radius: 14px;
}

.google-btn {
    border-radius: 14px;
    border: 1px solid rgba(23, 48, 24, 0.14);
    background: #fff;
    color: var(--text);
    font-weight: 600;
    padding: 0.85rem 1rem;
}

.google-btn:hover {
    background: #f7faf4;
    color: var(--text);
}

.text-muted-soft {
    color: var(--muted);
}

@media (max-width: 991.98px) {
    .login-brand {
        padding: 1.6rem;
    }

    .login-form {
        padding: 1.6rem;
    }
}