body.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.35), transparent 35%),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.28), transparent 30%),
        linear-gradient(135deg, #0f172a 0%, #1d4ed8 45%, #38bdf8 100%);
}

.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-shell {
    width: 100%;
    max-width: 460px;
}

.auth-card {
    background: var(--surface);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.auth-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #e0f2fe;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.auth-title {
    margin: 0;
    font-size: 2rem;
    line-height: 1.1;
    color: var(--text);
}

.auth-subtitle {
    margin: 0.75rem 0 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.auth-form {
    margin-top: 1.75rem;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 600;
}

.auth-input {
    width: 100%;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: var(--input-bg);
    color: var(--text);
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-input:focus {
    outline: none;
    border-color: rgba(var(--accent-rgb), 0.6);
    box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.18);
}

.auth-logo {
    display: block;
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 0 auto 1.25rem;
}

.auth-button {
    width: 100%;
    border: 0;
    border-radius: var(--button-radius-md);
    padding: 0.95rem 1rem;
    margin-top: 0.75rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #ffffff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 16px 32px rgba(var(--accent-rgb), 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.auth-button:hover {
    filter: brightness(1.03);
    box-shadow: 0 18px 36px rgba(var(--accent-rgb), 0.32);
}

.auth-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.3);
}

.auth-button-secondary {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--button-radius-md);
    padding: 0.95rem 1rem;
    margin-top: 0.75rem;
    background: var(--bg-secondary);
    color: var(--text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.auth-button-secondary:hover {
    filter: brightness(1.03);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
}

.auth-button-secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.28);
}

.auth-button-link {
    display: block;
    text-align: center;
    text-decoration: none;
}

.auth-help {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
    text-align: center;
}

.auth-card .alert {
    margin-top: 1rem;
    margin-bottom: 0;
}

@media (max-width: 640px) {
    .auth-main {
        padding: 1rem;
    }

    .auth-card {
        border-radius: 20px;
        padding: 1.5rem;
    }

    .auth-title {
        font-size: 1.7rem;
    }
}