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

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    color: #1f2937;
}

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    background:
        radial-gradient(circle at 0% 0%, rgba(95, 189, 130, .2) 0%, transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(78, 178, 222, .16) 0%, transparent 55%),
        linear-gradient(135deg, #eef5ef 0%, #f5f8f3 100%);
}

.auth-shell-stack {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.35rem;
    width: 100%;
    max-width: 560px;
}

.auth-card {
    width: 100%;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .18);
    overflow: hidden;
}

.auth-card--single {
    max-width: 560px;
}

.auth-left {
    padding: 2.2rem 2.4rem;
}

.auth-brand-center {
    text-align: center;
    margin-bottom: 1.2rem;
}

.auth-logo-img {
    width: 180px;
    max-width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    display: block;
    margin: 0 auto 0.85rem;
}

.auth-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    margin-top: 0.35rem;
    font-size: 0.88rem;
    color: #64748b;
}

.auth-form label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.auth-form-fields {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.auth-input {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    font-size: 0.86rem;
    font-family: inherit;
}

.auth-input:focus {
    outline: 2px solid rgba(37, 99, 235, .2);
    outline-offset: 1px;
    border-color: #93c5fd;
}

.auth-primary-btn {
    width: 100%;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    border: 0;
    background: #ad8400;
    color: #fff;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.45rem;
}

.auth-primary-btn:hover {
    background: #946f00;
}

.auth-error {
    margin-bottom: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    font-size: 0.8rem;
    color: #b91c1c;
}

.auth-page-footer {
    text-align: center;
    font-size: 0.78rem;
    color: #64748b;
    line-height: 1.5;
}

.auth-page-footer-line {
    margin: 0;
    font-weight: 500;
    color: #57534e;
}

.auth-page-footer-copy {
    margin: 0.3rem 0 0;
    font-size: 0.74rem;
    color: #78716c;
}