:root {
    --mypage-accent: #155eef;
    --mypage-accent-soft: #e7efff;
    --mypage-border: #c9d7f2;
    --mypage-text: #14213d;
    --mypage-muted: #55627a;
    --mypage-surface: #ffffff;
    --mypage-danger: #c62828;
}

.auth-login-modal__providers,
.mypage-guest__actions {
    display: grid;
    gap: 0.75rem;
}

.auth-login-modal__provider-btn,
.mypage-provider-button,
.mypage-save-button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 999px;
    border: 1px solid var(--mypage-border);
    background: var(--mypage-surface);
    color: var(--mypage-text);
    font-weight: 600;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.auth-login-modal__provider-btn:hover,
.mypage-provider-button:hover,
.mypage-save-button:hover {
    border-color: rgba(21, 94, 239, 0.44);
    box-shadow: 0 10px 24px rgba(21, 94, 239, 0.12);
    color: var(--mypage-text);
    transform: translateY(-1px);
}

.auth-login-modal__provider-btn:active,
.mypage-provider-button:active,
.mypage-save-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(21, 94, 239, 0.16);
}

.auth-login-modal__provider-btn:focus-visible,
.mypage-provider-button:focus-visible,
.mypage-save-button:focus-visible,
.mypage-delete-button:focus-visible {
    outline: 3px solid rgba(21, 94, 239, 0.28);
    outline-offset: 2px;
}

.mypage-save-button.is-loading,
.mypage-save-button.is-saved,
.mypage-save-button.is-error {
    border-color: transparent;
}

.mypage-save-button.is-loading {
    background: #eef4ff;
    color: #274690;
}

.mypage-save-button.is-saved {
    background: linear-gradient(135deg, #155eef, #1f7ae0);
    color: #ffffff;
}

.mypage-save-button.is-error {
    background: #fff2f2;
    color: var(--mypage-danger);
    border-color: rgba(198, 40, 40, 0.24);
}

.mypage-save-button:disabled {
    background: #eef1f6;
    color: #7a8598;
    border-color: #d4dae5;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .auth-login-modal__provider-btn,
    .mypage-provider-button,
    .mypage-save-button {
        transition: none;
    }

    .auth-login-modal__provider-btn:hover,
    .mypage-provider-button:hover,
    .mypage-save-button:hover {
        transform: none;
    }
}