.auth-page {
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.auth-page::before,
.auth-page::after {
    content: "";
    position: fixed;
    border-radius: 999px;
    pointer-events: none;
    filter: blur(18px);
}

.auth-page::before {
    top: -150px;
    left: -110px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(129, 140, 248, 0.1), transparent 74%);
}

.auth-page::after {
    right: -120px;
    bottom: -60px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.08), transparent 76%);
}

.auth-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 20px 24px;
    position: relative;
    z-index: 1;
}

.auth-content {
    width: min(100%, 520px);
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.auth-header {
    text-align: center;
}

.auth-hero {
    display: grid;
    gap: 0.7rem;
}

.auth-kicker {
    margin: 0;
    color: var(--color-accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.login-container {
    width: 100%;
    margin: 0 auto;
    background: var(--gradient-surface-strong);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    padding: 30px;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(20px);
}

.project-title {
    margin: 0;
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 8vw, 4.4rem);
    letter-spacing: -0.06em;
}

.auth-subtitle {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.auth-form {
    display: grid;
    gap: 0.2rem;
}

.auth-form-title {
    margin: 0;
    color: var(--color-text-primary);
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: -0.04em;
}

.auth-form-copy {
    margin: 0 0 1rem;
    color: var(--color-text-secondary);
}

.form-label {
    color: var(--color-text-primary);
    font-weight: 600;
}

.form-control {
    min-height: 52px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.72);
    color: var(--color-text-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.form-control:focus {
    border-color: var(--color-border-strong);
    box-shadow: var(--ring-focus);
    background: rgba(255, 255, 255, 0.9);
}

.form-check-input {
    border-color: var(--color-border-strong);
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-purp {
    color: var(--color-text-secondary);
}

.btn-purp {
    width: 100%;
    min-height: 52px;
    background: var(--gradient-accent);
    color: #ffffff;
    border: 1px solid transparent;
    border-radius: 16px;
    font-weight: 700;
    box-shadow: var(--shadow-button);
}

.btn-purp:hover,
.btn-purp:focus {
    background: var(--gradient-accent);
    color: #ffffff;
    filter: brightness(1.03);
}

.oauth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.oauth-divider::before,
.oauth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(99, 102, 241, 0.14);
}

.oauth-action {
    margin-bottom: 18px;
}

.google-signin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 11px 14px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.72);
    color: var(--color-text-primary);
    font-weight: 600;
    text-decoration: none;
    backdrop-filter: blur(14px);
}

.google-signin-button {
    min-height: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
}

.google-signin:hover {
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-text-primary);
}

.google-mark {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: conic-gradient(#4285f4 0 25%, #34a853 25% 50%, #fbbc05 50% 75%, #ea4335 75% 100%);
}

.auth-switch-copy,
.login-container .mb-0 {
    margin: 0;
    color: var(--color-text-secondary);
    text-align: center;
}

.auth-footer {
    margin-top: 24px;
}

@media (max-width: 640px) {
    .auth-shell {
        padding: 24px 14px 18px;
    }

    .login-container {
        padding: 24px 18px;
        border-radius: 24px;
    }
}